java.lang.Object
- org.antlr.v4.runtime.tree.AbstractParseTreeVisitor<T>
- - org.apache.iotdb.db.qp.sql.IoTDBSqlParserBaseVisitor<T>

Type Parameters:

T - The return type of the visit operation. Use Void for operations with no return type.

All Implemented Interfaces:

org.antlr.v4.runtime.tree.ParseTreeVisitor<T>, IoTDBSqlParserVisitor<T>
```
public class IoTDBSqlParserBaseVisitor<T>
extends org.antlr.v4.runtime.tree.AbstractParseTreeVisitor<T>
implements IoTDBSqlParserVisitor<T>
```
This class provides an empty implementation of IoTDBSqlParserVisitor, which can be extended to create a visitor which only needs to handle a subset of the available methods.

Constructor Summary

Constructors
Constructor Description

IoTDBSqlParserBaseVisitor()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`T`	`visitAlias(IoTDBSqlParser.AliasContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.alias()`.
`T`	`visitAliasClause(IoTDBSqlParser.AliasClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.aliasClause()`.
`T`	`visitAliasNodeName(IoTDBSqlParser.AliasNodeNameContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.aliasNodeName()`.
`T`	`visitAlignByClause(IoTDBSqlParser.AlignByClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.alignByClause()`.
`T`	`visitAlignedMeasurements(IoTDBSqlParser.AlignedMeasurementsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.alignedMeasurements()`.
`T`	`visitAlterClause(IoTDBSqlParser.AlterClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.alterClause()`.
`T`	`visitAlterDatabase(IoTDBSqlParser.AlterDatabaseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.alterDatabase()`.
`T`	`visitAlterLogicalView(IoTDBSqlParser.AlterLogicalViewContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.alterLogicalView()`.
`T`	`visitAlterSchemaTemplate(IoTDBSqlParser.AlterSchemaTemplateContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.alterSchemaTemplate()`.
`T`	`visitAlterTimeseries(IoTDBSqlParser.AlterTimeseriesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.alterTimeseries()`.
`T`	`visitAlterUser(IoTDBSqlParser.AlterUserContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.alterUser()`.
`T`	`visitAttributeClause(IoTDBSqlParser.AttributeClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.attributeClause()`.
`T`	`visitAttributeClauses(IoTDBSqlParser.AttributeClausesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.attributeClauses()`.
`T`	`visitAttributeKey(IoTDBSqlParser.AttributeKeyContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.attributeKey()`.
`T`	`visitAttributePair(IoTDBSqlParser.AttributePairContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.attributePair()`.
`T`	`visitAttributeValue(IoTDBSqlParser.AttributeValueContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.attributeValue()`.
`T`	`visitBoolean_literal(IoTDBSqlParser.Boolean_literalContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.boolean_literal()`.
`T`	`visitCaseWhenThenExpression(IoTDBSqlParser.CaseWhenThenExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.caseWhenThenExpression()`.
`T`	`visitClearCache(IoTDBSqlParser.ClearCacheContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.clearCache()`.
`T`	`visitColumnEqualsExpression(IoTDBSqlParser.ColumnEqualsExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.columnEqualsExpression()`.
`T`	`visitConnectorAttributeClause(IoTDBSqlParser.ConnectorAttributeClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.connectorAttributeClause()`.
`T`	`visitConnectorAttributesClause(IoTDBSqlParser.ConnectorAttributesClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.connectorAttributesClause()`.
`T`	`visitConstant(IoTDBSqlParser.ConstantContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.constant()`.
`T`	`visitCountDatabases(IoTDBSqlParser.CountDatabasesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.countDatabases()`.
`T`	`visitCountDevices(IoTDBSqlParser.CountDevicesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.countDevices()`.
`T`	`visitCountNodes(IoTDBSqlParser.CountNodesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.countNodes()`.
`T`	`visitCountTimeseries(IoTDBSqlParser.CountTimeseriesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.countTimeseries()`.
`T`	`visitCountTimeSlotList(IoTDBSqlParser.CountTimeSlotListContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.countTimeSlotList()`.
`T`	`visitCreateAlignedTimeseries(IoTDBSqlParser.CreateAlignedTimeseriesContext ctx)`	Visit a parse tree produced by the `createAlignedTimeseries` labeled alternative in `IoTDBSqlParser.createTimeseries()`.
`T`	`visitCreateContinuousQuery(IoTDBSqlParser.CreateContinuousQueryContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createContinuousQuery()`.
`T`	`visitCreateDatabase(IoTDBSqlParser.CreateDatabaseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createDatabase()`.
`T`	`visitCreateFunction(IoTDBSqlParser.CreateFunctionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createFunction()`.
`T`	`visitCreateLogicalView(IoTDBSqlParser.CreateLogicalViewContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createLogicalView()`.
`T`	`visitCreateModel(IoTDBSqlParser.CreateModelContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createModel()`.
`T`	`visitCreateNonAlignedTimeseries(IoTDBSqlParser.CreateNonAlignedTimeseriesContext ctx)`	Visit a parse tree produced by the `createNonAlignedTimeseries` labeled alternative in `IoTDBSqlParser.createTimeseries()`.
`T`	`visitCreatePipe(IoTDBSqlParser.CreatePipeContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createPipe()`.
`T`	`visitCreatePipePlugin(IoTDBSqlParser.CreatePipePluginContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createPipePlugin()`.
`T`	`visitCreateRole(IoTDBSqlParser.CreateRoleContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createRole()`.
`T`	`visitCreateSchemaTemplate(IoTDBSqlParser.CreateSchemaTemplateContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createSchemaTemplate()`.
`T`	`visitCreateTimeseriesUsingSchemaTemplate(IoTDBSqlParser.CreateTimeseriesUsingSchemaTemplateContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createTimeseriesUsingSchemaTemplate()`.
`T`	`visitCreateTrigger(IoTDBSqlParser.CreateTriggerContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createTrigger()`.
`T`	`visitCreateUser(IoTDBSqlParser.CreateUserContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.createUser()`.
`T`	`visitDatabaseAttributeClause(IoTDBSqlParser.DatabaseAttributeClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.databaseAttributeClause()`.
`T`	`visitDatabaseAttributeKey(IoTDBSqlParser.DatabaseAttributeKeyContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.databaseAttributeKey()`.
`T`	`visitDatabaseAttributesClause(IoTDBSqlParser.DatabaseAttributesClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.databaseAttributesClause()`.
`T`	`visitDateExpression(IoTDBSqlParser.DateExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dateExpression()`.
`T`	`visitDatetimeLiteral(IoTDBSqlParser.DatetimeLiteralContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.datetimeLiteral()`.
`T`	`visitDclStatement(IoTDBSqlParser.DclStatementContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dclStatement()`.
`T`	`visitDdlStatement(IoTDBSqlParser.DdlStatementContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.ddlStatement()`.
`T`	`visitDeleteStatement(IoTDBSqlParser.DeleteStatementContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.deleteStatement()`.
`T`	`visitDeviceContainsExpression(IoTDBSqlParser.DeviceContainsExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.deviceContainsExpression()`.
`T`	`visitDevicesWhereClause(IoTDBSqlParser.DevicesWhereClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.devicesWhereClause()`.
`T`	`visitDmlStatement(IoTDBSqlParser.DmlStatementContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dmlStatement()`.
`T`	`visitDropContinuousQuery(IoTDBSqlParser.DropContinuousQueryContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropContinuousQuery()`.
`T`	`visitDropDatabase(IoTDBSqlParser.DropDatabaseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropDatabase()`.
`T`	`visitDropFunction(IoTDBSqlParser.DropFunctionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropFunction()`.
`T`	`visitDropLogicalView(IoTDBSqlParser.DropLogicalViewContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropLogicalView()`.
`T`	`visitDropModel(IoTDBSqlParser.DropModelContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropModel()`.
`T`	`visitDropPartition(IoTDBSqlParser.DropPartitionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropPartition()`.
`T`	`visitDropPipe(IoTDBSqlParser.DropPipeContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropPipe()`.
`T`	`visitDropPipePlugin(IoTDBSqlParser.DropPipePluginContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropPipePlugin()`.
`T`	`visitDropRole(IoTDBSqlParser.DropRoleContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropRole()`.
`T`	`visitDropSchemaTemplate(IoTDBSqlParser.DropSchemaTemplateContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropSchemaTemplate()`.
`T`	`visitDropTimeseries(IoTDBSqlParser.DropTimeseriesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropTimeseries()`.
`T`	`visitDropTimeseriesOfSchemaTemplate(IoTDBSqlParser.DropTimeseriesOfSchemaTemplateContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropTimeseriesOfSchemaTemplate()`.
`T`	`visitDropTrigger(IoTDBSqlParser.DropTriggerContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropTrigger()`.
`T`	`visitDropUser(IoTDBSqlParser.DropUserContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.dropUser()`.
`T`	`visitExplain(IoTDBSqlParser.ExplainContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.explain()`.
`T`	`visitExpression(IoTDBSqlParser.ExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.expression()`.
`T`	`visitExtractorAttributeClause(IoTDBSqlParser.ExtractorAttributeClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.extractorAttributeClause()`.
`T`	`visitExtractorAttributesClause(IoTDBSqlParser.ExtractorAttributesClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.extractorAttributesClause()`.
`T`	`visitFillClause(IoTDBSqlParser.FillClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.fillClause()`.
`T`	`visitFlush(IoTDBSqlParser.FlushContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.flush()`.
`T`	`visitFromClause(IoTDBSqlParser.FromClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.fromClause()`.
`T`	`visitFullMerge(IoTDBSqlParser.FullMergeContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.fullMerge()`.
`T`	`visitFullPath(IoTDBSqlParser.FullPathContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.fullPath()`.
`T`	`visitFullPathInExpression(IoTDBSqlParser.FullPathInExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.fullPathInExpression()`.
`T`	`visitFullPathInIntoPath(IoTDBSqlParser.FullPathInIntoPathContext ctx)`	Visit a parse tree produced by the `fullPathInIntoPath` labeled alternative in `IoTDBSqlParser.intoPath()`.
`T`	`visitFunctionName(IoTDBSqlParser.FunctionNameContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.functionName()`.
`T`	`visitGetRegionId(IoTDBSqlParser.GetRegionIdContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.getRegionId()`.
`T`	`visitGetSeriesSlotList(IoTDBSqlParser.GetSeriesSlotListContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.getSeriesSlotList()`.
`T`	`visitGetTimeSlotList(IoTDBSqlParser.GetTimeSlotListContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.getTimeSlotList()`.
`T`	`visitGrantRole(IoTDBSqlParser.GrantRoleContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.grantRole()`.
`T`	`visitGrantRoleToUser(IoTDBSqlParser.GrantRoleToUserContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.grantRoleToUser()`.
`T`	`visitGrantUser(IoTDBSqlParser.GrantUserContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.grantUser()`.
`T`	`visitGrantWatermarkEmbedding(IoTDBSqlParser.GrantWatermarkEmbeddingContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.grantWatermarkEmbedding()`.
`T`	`visitGroupByAttributeClause(IoTDBSqlParser.GroupByAttributeClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.groupByAttributeClause()`.
`T`	`visitGroupByClause(IoTDBSqlParser.GroupByClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.groupByClause()`.
`T`	`visitHavingClause(IoTDBSqlParser.HavingClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.havingClause()`.
`T`	`visitIdentifier(IoTDBSqlParser.IdentifierContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.identifier()`.
`T`	`visitInsertColumnsSpec(IoTDBSqlParser.InsertColumnsSpecContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.insertColumnsSpec()`.
`T`	`visitInsertMultiValue(IoTDBSqlParser.InsertMultiValueContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.insertMultiValue()`.
`T`	`visitInsertStatement(IoTDBSqlParser.InsertStatementContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.insertStatement()`.
`T`	`visitInsertValuesSpec(IoTDBSqlParser.InsertValuesSpecContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.insertValuesSpec()`.
`T`	`visitIntoClause(IoTDBSqlParser.IntoClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.intoClause()`.
`T`	`visitIntoItem(IoTDBSqlParser.IntoItemContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.intoItem()`.
`T`	`visitKeyWords(IoTDBSqlParser.KeyWordsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.keyWords()`.
`T`	`visitKillQuery(IoTDBSqlParser.KillQueryContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.killQuery()`.
`T`	`visitLimitClause(IoTDBSqlParser.LimitClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.limitClause()`.
`T`	`visitListPrivilegesRole(IoTDBSqlParser.ListPrivilegesRoleContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.listPrivilegesRole()`.
`T`	`visitListPrivilegesUser(IoTDBSqlParser.ListPrivilegesUserContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.listPrivilegesUser()`.
`T`	`visitListRole(IoTDBSqlParser.ListRoleContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.listRole()`.
`T`	`visitListUser(IoTDBSqlParser.ListUserContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.listUser()`.
`T`	`visitLoadConfiguration(IoTDBSqlParser.LoadConfigurationContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.loadConfiguration()`.
`T`	`visitLoadFile(IoTDBSqlParser.LoadFileContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.loadFile()`.
`T`	`visitLoadFileAttributeClause(IoTDBSqlParser.LoadFileAttributeClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.loadFileAttributeClause()`.
`T`	`visitLoadFileAttributeClauses(IoTDBSqlParser.LoadFileAttributeClausesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.loadFileAttributeClauses()`.
`T`	`visitLoadTimeseries(IoTDBSqlParser.LoadTimeseriesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.loadTimeseries()`.
`T`	`visitMeasurementValue(IoTDBSqlParser.MeasurementValueContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.measurementValue()`.
`T`	`visitMerge(IoTDBSqlParser.MergeContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.merge()`.
`T`	`visitMigrateRegion(IoTDBSqlParser.MigrateRegionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.migrateRegion()`.
`T`	`visitNan_literal(IoTDBSqlParser.Nan_literalContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.nan_literal()`.
`T`	`visitNodeName(IoTDBSqlParser.NodeNameContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.nodeName()`.
`T`	`visitNodeNameInIntoPath(IoTDBSqlParser.NodeNameInIntoPathContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.nodeNameInIntoPath()`.
`T`	`visitNodeNameSlice(IoTDBSqlParser.NodeNameSliceContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.nodeNameSlice()`.
`T`	`visitNodeNameWithoutWildcard(IoTDBSqlParser.NodeNameWithoutWildcardContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.nodeNameWithoutWildcard()`.
`T`	`visitNull_literal(IoTDBSqlParser.Null_literalContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.null_literal()`.
`T`	`visitNumber(IoTDBSqlParser.NumberContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.number()`.
`T`	`visitOffsetClause(IoTDBSqlParser.OffsetClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.offsetClause()`.
`T`	`visitOperator_and(IoTDBSqlParser.Operator_andContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.operator_and()`.
`T`	`visitOperator_between(IoTDBSqlParser.Operator_betweenContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.operator_between()`.
`T`	`visitOperator_contains(IoTDBSqlParser.Operator_containsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.operator_contains()`.
`T`	`visitOperator_eq(IoTDBSqlParser.Operator_eqContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.operator_eq()`.
`T`	`visitOperator_in(IoTDBSqlParser.Operator_inContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.operator_in()`.
`T`	`visitOperator_is(IoTDBSqlParser.Operator_isContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.operator_is()`.
`T`	`visitOperator_not(IoTDBSqlParser.Operator_notContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.operator_not()`.
`T`	`visitOperator_or(IoTDBSqlParser.Operator_orContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.operator_or()`.
`T`	`visitOrderByAttributeClause(IoTDBSqlParser.OrderByAttributeClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.orderByAttributeClause()`.
`T`	`visitOrderByClause(IoTDBSqlParser.OrderByClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.orderByClause()`.
`T`	`visitPaginationClause(IoTDBSqlParser.PaginationClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.paginationClause()`.
`T`	`visitPrefixPath(IoTDBSqlParser.PrefixPathContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.prefixPath()`.
`T`	`visitPrivileges(IoTDBSqlParser.PrivilegesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.privileges()`.
`T`	`visitPrivilegeValue(IoTDBSqlParser.PrivilegeValueContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.privilegeValue()`.
`T`	`visitProcessorAttributeClause(IoTDBSqlParser.ProcessorAttributeClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.processorAttributeClause()`.
`T`	`visitProcessorAttributesClause(IoTDBSqlParser.ProcessorAttributesClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.processorAttributesClause()`.
`T`	`visitRealLiteral(IoTDBSqlParser.RealLiteralContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.realLiteral()`.
`T`	`visitRemoveFile(IoTDBSqlParser.RemoveFileContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.removeFile()`.
`T`	`visitRenameLogicalView(IoTDBSqlParser.RenameLogicalViewContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.renameLogicalView()`.
`T`	`visitResampleClause(IoTDBSqlParser.ResampleClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.resampleClause()`.
`T`	`visitResultColumn(IoTDBSqlParser.ResultColumnContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.resultColumn()`.
`T`	`visitRevokeRole(IoTDBSqlParser.RevokeRoleContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.revokeRole()`.
`T`	`visitRevokeRoleFromUser(IoTDBSqlParser.RevokeRoleFromUserContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.revokeRoleFromUser()`.
`T`	`visitRevokeUser(IoTDBSqlParser.RevokeUserContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.revokeUser()`.
`T`	`visitRevokeWatermarkEmbedding(IoTDBSqlParser.RevokeWatermarkEmbeddingContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.revokeWatermarkEmbedding()`.
`T`	`visitRowPaginationClause(IoTDBSqlParser.RowPaginationClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.rowPaginationClause()`.
`T`	`visitScalarFunctionExpression(IoTDBSqlParser.ScalarFunctionExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.scalarFunctionExpression()`.
`T`	`visitSelectClause(IoTDBSqlParser.SelectClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.selectClause()`.
`T`	`visitSelectStatement(IoTDBSqlParser.SelectStatementContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.selectStatement()`.
`T`	`visitSeriesPaginationClause(IoTDBSqlParser.SeriesPaginationClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.seriesPaginationClause()`.
`T`	`visitSetSchemaTemplate(IoTDBSqlParser.SetSchemaTemplateContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.setSchemaTemplate()`.
`T`	`visitSetSpaceQuota(IoTDBSqlParser.SetSpaceQuotaContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.setSpaceQuota()`.
`T`	`visitSetSystemStatus(IoTDBSqlParser.SetSystemStatusContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.setSystemStatus()`.
`T`	`visitSetThrottleQuota(IoTDBSqlParser.SetThrottleQuotaContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.setThrottleQuota()`.
`T`	`visitSettle(IoTDBSqlParser.SettleContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.settle()`.
`T`	`visitSetTTL(IoTDBSqlParser.SetTTLContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.setTTL()`.
`T`	`visitShowAllTTL(IoTDBSqlParser.ShowAllTTLContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showAllTTL()`.
`T`	`visitShowChildNodes(IoTDBSqlParser.ShowChildNodesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showChildNodes()`.
`T`	`visitShowChildPaths(IoTDBSqlParser.ShowChildPathsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showChildPaths()`.
`T`	`visitShowCluster(IoTDBSqlParser.ShowClusterContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showCluster()`.
`T`	`visitShowConfigNodes(IoTDBSqlParser.ShowConfigNodesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showConfigNodes()`.
`T`	`visitShowContinuousQueries(IoTDBSqlParser.ShowContinuousQueriesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showContinuousQueries()`.
`T`	`visitShowDatabases(IoTDBSqlParser.ShowDatabasesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showDatabases()`.
`T`	`visitShowDataNodes(IoTDBSqlParser.ShowDataNodesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showDataNodes()`.
`T`	`visitShowDevices(IoTDBSqlParser.ShowDevicesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showDevices()`.
`T`	`visitShowFlushInfo(IoTDBSqlParser.ShowFlushInfoContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showFlushInfo()`.
`T`	`visitShowFunctions(IoTDBSqlParser.ShowFunctionsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showFunctions()`.
`T`	`visitShowLockInfo(IoTDBSqlParser.ShowLockInfoContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showLockInfo()`.
`T`	`visitShowLogicalView(IoTDBSqlParser.ShowLogicalViewContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showLogicalView()`.
`T`	`visitShowModels(IoTDBSqlParser.ShowModelsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showModels()`.
`T`	`visitShowNodesInSchemaTemplate(IoTDBSqlParser.ShowNodesInSchemaTemplateContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showNodesInSchemaTemplate()`.
`T`	`visitShowPathsSetSchemaTemplate(IoTDBSqlParser.ShowPathsSetSchemaTemplateContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showPathsSetSchemaTemplate()`.
`T`	`visitShowPathsUsingSchemaTemplate(IoTDBSqlParser.ShowPathsUsingSchemaTemplateContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showPathsUsingSchemaTemplate()`.
`T`	`visitShowPipePlugins(IoTDBSqlParser.ShowPipePluginsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showPipePlugins()`.
`T`	`visitShowPipes(IoTDBSqlParser.ShowPipesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showPipes()`.
`T`	`visitShowQueries(IoTDBSqlParser.ShowQueriesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showQueries()`.
`T`	`visitShowQueryResource(IoTDBSqlParser.ShowQueryResourceContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showQueryResource()`.
`T`	`visitShowRegions(IoTDBSqlParser.ShowRegionsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showRegions()`.
`T`	`visitShowSchemaTemplates(IoTDBSqlParser.ShowSchemaTemplatesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showSchemaTemplates()`.
`T`	`visitShowSpaceQuota(IoTDBSqlParser.ShowSpaceQuotaContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showSpaceQuota()`.
`T`	`visitShowThrottleQuota(IoTDBSqlParser.ShowThrottleQuotaContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showThrottleQuota()`.
`T`	`visitShowTimeseries(IoTDBSqlParser.ShowTimeseriesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showTimeseries()`.
`T`	`visitShowTrails(IoTDBSqlParser.ShowTrailsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showTrails()`.
`T`	`visitShowTriggers(IoTDBSqlParser.ShowTriggersContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showTriggers()`.
`T`	`visitShowTTL(IoTDBSqlParser.ShowTTLContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showTTL()`.
`T`	`visitShowVariables(IoTDBSqlParser.ShowVariablesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showVariables()`.
`T`	`visitShowVersion(IoTDBSqlParser.ShowVersionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.showVersion()`.
`T`	`visitSignedIntegerLiteral(IoTDBSqlParser.SignedIntegerLiteralContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.signedIntegerLiteral()`.
`T`	`visitSingleStatement(IoTDBSqlParser.SingleStatementContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.singleStatement()`.
`T`	`visitSlimitClause(IoTDBSqlParser.SlimitClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.slimitClause()`.
`T`	`visitSoffsetClause(IoTDBSqlParser.SoffsetClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.soffsetClause()`.
`T`	`visitSortKey(IoTDBSqlParser.SortKeyContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.sortKey()`.
`T`	`visitStartPipe(IoTDBSqlParser.StartPipeContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.startPipe()`.
`T`	`visitStartTrigger(IoTDBSqlParser.StartTriggerContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.startTrigger()`.
`T`	`visitStatement(IoTDBSqlParser.StatementContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.statement()`.
`T`	`visitStopPipe(IoTDBSqlParser.StopPipeContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.stopPipe()`.
`T`	`visitStopTrigger(IoTDBSqlParser.StopTriggerContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.stopTrigger()`.
`T`	`visitSubStringExpression(IoTDBSqlParser.SubStringExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.subStringExpression()`.
`T`	`visitSuffixPathInIntoPath(IoTDBSqlParser.SuffixPathInIntoPathContext ctx)`	Visit a parse tree produced by the `suffixPathInIntoPath` labeled alternative in `IoTDBSqlParser.intoPath()`.
`T`	`visitSyncAttributeClauses(IoTDBSqlParser.SyncAttributeClausesContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.syncAttributeClauses()`.
`T`	`visitTagClause(IoTDBSqlParser.TagClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.tagClause()`.
`T`	`visitTagContainsExpression(IoTDBSqlParser.TagContainsExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.tagContainsExpression()`.
`T`	`visitTagEqualsExpression(IoTDBSqlParser.TagEqualsExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.tagEqualsExpression()`.
`T`	`visitTemplateMeasurementClause(IoTDBSqlParser.TemplateMeasurementClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.templateMeasurementClause()`.
`T`	`visitTimeoutPolicyClause(IoTDBSqlParser.TimeoutPolicyClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.timeoutPolicyClause()`.
`T`	`visitTimeRange(IoTDBSqlParser.TimeRangeContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.timeRange()`.
`T`	`visitTimeseriesContainsExpression(IoTDBSqlParser.TimeseriesContainsExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.timeseriesContainsExpression()`.
`T`	`visitTimeseriesWhereClause(IoTDBSqlParser.TimeseriesWhereClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.timeseriesWhereClause()`.
`T`	`visitTimeValue(IoTDBSqlParser.TimeValueContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.timeValue()`.
`T`	`visitTriggerAttribute(IoTDBSqlParser.TriggerAttributeContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.triggerAttribute()`.
`T`	`visitTriggerAttributeClause(IoTDBSqlParser.TriggerAttributeClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.triggerAttributeClause()`.
`T`	`visitTriggerEventClause(IoTDBSqlParser.TriggerEventClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.triggerEventClause()`.
`T`	`visitTriggerType(IoTDBSqlParser.TriggerTypeContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.triggerType()`.
`T`	`visitUnloadFile(IoTDBSqlParser.UnloadFileContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.unloadFile()`.
`T`	`visitUnsetSchemaTemplate(IoTDBSqlParser.UnsetSchemaTemplateContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.unsetSchemaTemplate()`.
`T`	`visitUnsetTTL(IoTDBSqlParser.UnsetTTLContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.unsetTTL()`.
`T`	`visitUri(IoTDBSqlParser.UriContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.uri()`.
`T`	`visitUriClause(IoTDBSqlParser.UriClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.uriClause()`.
`T`	`visitUsernameWithRoot(IoTDBSqlParser.UsernameWithRootContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.usernameWithRoot()`.
`T`	`visitUtilityStatement(IoTDBSqlParser.UtilityStatementContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.utilityStatement()`.
`T`	`visitViewSourcePaths(IoTDBSqlParser.ViewSourcePathsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.viewSourcePaths()`.
`T`	`visitViewSuffixPaths(IoTDBSqlParser.ViewSuffixPathsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.viewSuffixPaths()`.
`T`	`visitViewTargetPaths(IoTDBSqlParser.ViewTargetPathsContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.viewTargetPaths()`.
`T`	`visitWhenThenExpression(IoTDBSqlParser.WhenThenExpressionContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.whenThenExpression()`.
`T`	`visitWhereClause(IoTDBSqlParser.WhereClauseContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.whereClause()`.
`T`	`visitWildcard(IoTDBSqlParser.WildcardContext ctx)`	Visit a parse tree produced by `IoTDBSqlParser.wildcard()`.

Methods inherited from class org.antlr.v4.runtime.tree.AbstractParseTreeVisitor
aggregateResult, defaultResult, shouldVisitNextChild, visit, visitChildren, visitErrorNode, visitTerminal

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeVisitor
visit, visitChildren, visitErrorNode, visitTerminal

- Constructor Detail
  - IoTDBSqlParserBaseVisitor
```
public IoTDBSqlParserBaseVisitor()
```
- Method Detail
  - visitSingleStatement
```
public T visitSingleStatement(IoTDBSqlParser.SingleStatementContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.singleStatement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSingleStatement in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitStatement
```
public T visitStatement(IoTDBSqlParser.StatementContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.statement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitStatement in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDdlStatement
```
public T visitDdlStatement(IoTDBSqlParser.DdlStatementContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.ddlStatement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDdlStatement in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDmlStatement
```
public T visitDmlStatement(IoTDBSqlParser.DmlStatementContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dmlStatement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDmlStatement in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDclStatement
```
public T visitDclStatement(IoTDBSqlParser.DclStatementContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dclStatement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDclStatement in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUtilityStatement
```
public T visitUtilityStatement(IoTDBSqlParser.UtilityStatementContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.utilityStatement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUtilityStatement in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateDatabase
```
public T visitCreateDatabase(IoTDBSqlParser.CreateDatabaseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createDatabase().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateDatabase in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDatabaseAttributesClause
```
public T visitDatabaseAttributesClause(IoTDBSqlParser.DatabaseAttributesClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.databaseAttributesClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDatabaseAttributesClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDatabaseAttributeClause
```
public T visitDatabaseAttributeClause(IoTDBSqlParser.DatabaseAttributeClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.databaseAttributeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDatabaseAttributeClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDatabaseAttributeKey
```
public T visitDatabaseAttributeKey(IoTDBSqlParser.DatabaseAttributeKeyContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.databaseAttributeKey().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDatabaseAttributeKey in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropDatabase
```
public T visitDropDatabase(IoTDBSqlParser.DropDatabaseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropDatabase().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropDatabase in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropPartition
```
public T visitDropPartition(IoTDBSqlParser.DropPartitionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropPartition().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropPartition in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterDatabase
```
public T visitAlterDatabase(IoTDBSqlParser.AlterDatabaseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.alterDatabase().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterDatabase in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowDatabases
```
public T visitShowDatabases(IoTDBSqlParser.ShowDatabasesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showDatabases().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowDatabases in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCountDatabases
```
public T visitCountDatabases(IoTDBSqlParser.CountDatabasesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.countDatabases().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCountDatabases in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateAlignedTimeseries
```
public T visitCreateAlignedTimeseries(IoTDBSqlParser.CreateAlignedTimeseriesContext ctx)
```
    Visit a parse tree produced by the createAlignedTimeseries labeled alternative in IoTDBSqlParser.createTimeseries().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateAlignedTimeseries in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateNonAlignedTimeseries
```
public T visitCreateNonAlignedTimeseries(IoTDBSqlParser.CreateNonAlignedTimeseriesContext ctx)
```
    Visit a parse tree produced by the createNonAlignedTimeseries labeled alternative in IoTDBSqlParser.createTimeseries().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateNonAlignedTimeseries in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlignedMeasurements
```
public T visitAlignedMeasurements(IoTDBSqlParser.AlignedMeasurementsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.alignedMeasurements().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlignedMeasurements in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTimeseries
```
public T visitDropTimeseries(IoTDBSqlParser.DropTimeseriesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropTimeseries().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropTimeseries in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterTimeseries
```
public T visitAlterTimeseries(IoTDBSqlParser.AlterTimeseriesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.alterTimeseries().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterTimeseries in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterClause
```
public T visitAlterClause(IoTDBSqlParser.AlterClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.alterClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAliasClause
```
public T visitAliasClause(IoTDBSqlParser.AliasClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.aliasClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAliasClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowDevices
```
public T visitShowDevices(IoTDBSqlParser.ShowDevicesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showDevices().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowDevices in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowTimeseries
```
public T visitShowTimeseries(IoTDBSqlParser.ShowTimeseriesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showTimeseries().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowTimeseries in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowChildPaths
```
public T visitShowChildPaths(IoTDBSqlParser.ShowChildPathsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showChildPaths().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowChildPaths in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowChildNodes
```
public T visitShowChildNodes(IoTDBSqlParser.ShowChildNodesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showChildNodes().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowChildNodes in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCountDevices
```
public T visitCountDevices(IoTDBSqlParser.CountDevicesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.countDevices().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCountDevices in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCountTimeseries
```
public T visitCountTimeseries(IoTDBSqlParser.CountTimeseriesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.countTimeseries().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCountTimeseries in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCountNodes
```
public T visitCountNodes(IoTDBSqlParser.CountNodesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.countNodes().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCountNodes in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDevicesWhereClause
```
public T visitDevicesWhereClause(IoTDBSqlParser.DevicesWhereClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.devicesWhereClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDevicesWhereClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDeviceContainsExpression
```
public T visitDeviceContainsExpression(IoTDBSqlParser.DeviceContainsExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.deviceContainsExpression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDeviceContainsExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTimeseriesWhereClause
```
public T visitTimeseriesWhereClause(IoTDBSqlParser.TimeseriesWhereClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.timeseriesWhereClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTimeseriesWhereClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTimeseriesContainsExpression
```
public T visitTimeseriesContainsExpression(IoTDBSqlParser.TimeseriesContainsExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.timeseriesContainsExpression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTimeseriesContainsExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitColumnEqualsExpression
```
public T visitColumnEqualsExpression(IoTDBSqlParser.ColumnEqualsExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.columnEqualsExpression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitColumnEqualsExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTagEqualsExpression
```
public T visitTagEqualsExpression(IoTDBSqlParser.TagEqualsExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.tagEqualsExpression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTagEqualsExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTagContainsExpression
```
public T visitTagContainsExpression(IoTDBSqlParser.TagContainsExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.tagContainsExpression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTagContainsExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateSchemaTemplate
```
public T visitCreateSchemaTemplate(IoTDBSqlParser.CreateSchemaTemplateContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createSchemaTemplate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateSchemaTemplate in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTemplateMeasurementClause
```
public T visitTemplateMeasurementClause(IoTDBSqlParser.TemplateMeasurementClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.templateMeasurementClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTemplateMeasurementClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateTimeseriesUsingSchemaTemplate
```
public T visitCreateTimeseriesUsingSchemaTemplate(IoTDBSqlParser.CreateTimeseriesUsingSchemaTemplateContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createTimeseriesUsingSchemaTemplate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateTimeseriesUsingSchemaTemplate in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropSchemaTemplate
```
public T visitDropSchemaTemplate(IoTDBSqlParser.DropSchemaTemplateContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropSchemaTemplate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropSchemaTemplate in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTimeseriesOfSchemaTemplate
```
public T visitDropTimeseriesOfSchemaTemplate(IoTDBSqlParser.DropTimeseriesOfSchemaTemplateContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropTimeseriesOfSchemaTemplate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropTimeseriesOfSchemaTemplate in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowSchemaTemplates
```
public T visitShowSchemaTemplates(IoTDBSqlParser.ShowSchemaTemplatesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showSchemaTemplates().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowSchemaTemplates in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowNodesInSchemaTemplate
```
public T visitShowNodesInSchemaTemplate(IoTDBSqlParser.ShowNodesInSchemaTemplateContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showNodesInSchemaTemplate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowNodesInSchemaTemplate in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowPathsSetSchemaTemplate
```
public T visitShowPathsSetSchemaTemplate(IoTDBSqlParser.ShowPathsSetSchemaTemplateContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showPathsSetSchemaTemplate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowPathsSetSchemaTemplate in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowPathsUsingSchemaTemplate
```
public T visitShowPathsUsingSchemaTemplate(IoTDBSqlParser.ShowPathsUsingSchemaTemplateContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showPathsUsingSchemaTemplate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowPathsUsingSchemaTemplate in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetSchemaTemplate
```
public T visitSetSchemaTemplate(IoTDBSqlParser.SetSchemaTemplateContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.setSchemaTemplate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetSchemaTemplate in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUnsetSchemaTemplate
```
public T visitUnsetSchemaTemplate(IoTDBSqlParser.UnsetSchemaTemplateContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.unsetSchemaTemplate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUnsetSchemaTemplate in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterSchemaTemplate
```
public T visitAlterSchemaTemplate(IoTDBSqlParser.AlterSchemaTemplateContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.alterSchemaTemplate().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterSchemaTemplate in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetTTL
```
public T visitSetTTL(IoTDBSqlParser.SetTTLContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.setTTL().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetTTL in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUnsetTTL
```
public T visitUnsetTTL(IoTDBSqlParser.UnsetTTLContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.unsetTTL().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUnsetTTL in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowTTL
```
public T visitShowTTL(IoTDBSqlParser.ShowTTLContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showTTL().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowTTL in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowAllTTL
```
public T visitShowAllTTL(IoTDBSqlParser.ShowAllTTLContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showAllTTL().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowAllTTL in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateFunction
```
public T visitCreateFunction(IoTDBSqlParser.CreateFunctionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createFunction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateFunction in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUriClause
```
public T visitUriClause(IoTDBSqlParser.UriClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.uriClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUriClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUri
```
public T visitUri(IoTDBSqlParser.UriContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.uri().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUri in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropFunction
```
public T visitDropFunction(IoTDBSqlParser.DropFunctionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropFunction().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropFunction in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowFunctions
```
public T visitShowFunctions(IoTDBSqlParser.ShowFunctionsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showFunctions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowFunctions in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowSpaceQuota
```
public T visitShowSpaceQuota(IoTDBSqlParser.ShowSpaceQuotaContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showSpaceQuota().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowSpaceQuota in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetSpaceQuota
```
public T visitSetSpaceQuota(IoTDBSqlParser.SetSpaceQuotaContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.setSpaceQuota().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetSpaceQuota in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetThrottleQuota
```
public T visitSetThrottleQuota(IoTDBSqlParser.SetThrottleQuotaContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.setThrottleQuota().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetThrottleQuota in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowThrottleQuota
```
public T visitShowThrottleQuota(IoTDBSqlParser.ShowThrottleQuotaContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showThrottleQuota().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowThrottleQuota in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateTrigger
```
public T visitCreateTrigger(IoTDBSqlParser.CreateTriggerContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createTrigger().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateTrigger in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerType
```
public T visitTriggerType(IoTDBSqlParser.TriggerTypeContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.triggerType().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerType in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerEventClause
```
public T visitTriggerEventClause(IoTDBSqlParser.TriggerEventClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.triggerEventClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerEventClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerAttributeClause
```
public T visitTriggerAttributeClause(IoTDBSqlParser.TriggerAttributeClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.triggerAttributeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerAttributeClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTriggerAttribute
```
public T visitTriggerAttribute(IoTDBSqlParser.TriggerAttributeContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.triggerAttribute().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTriggerAttribute in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropTrigger
```
public T visitDropTrigger(IoTDBSqlParser.DropTriggerContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropTrigger().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropTrigger in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowTriggers
```
public T visitShowTriggers(IoTDBSqlParser.ShowTriggersContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showTriggers().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowTriggers in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitStartTrigger
```
public T visitStartTrigger(IoTDBSqlParser.StartTriggerContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.startTrigger().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitStartTrigger in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitStopTrigger
```
public T visitStopTrigger(IoTDBSqlParser.StopTriggerContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.stopTrigger().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitStopTrigger in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateContinuousQuery
```
public T visitCreateContinuousQuery(IoTDBSqlParser.CreateContinuousQueryContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createContinuousQuery().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateContinuousQuery in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitResampleClause
```
public T visitResampleClause(IoTDBSqlParser.ResampleClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.resampleClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitResampleClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTimeoutPolicyClause
```
public T visitTimeoutPolicyClause(IoTDBSqlParser.TimeoutPolicyClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.timeoutPolicyClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTimeoutPolicyClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropContinuousQuery
```
public T visitDropContinuousQuery(IoTDBSqlParser.DropContinuousQueryContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropContinuousQuery().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropContinuousQuery in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowContinuousQueries
```
public T visitShowContinuousQueries(IoTDBSqlParser.ShowContinuousQueriesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showContinuousQueries().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowContinuousQueries in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowVariables
```
public T visitShowVariables(IoTDBSqlParser.ShowVariablesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showVariables().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowVariables in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowCluster
```
public T visitShowCluster(IoTDBSqlParser.ShowClusterContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showCluster().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowCluster in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowRegions
```
public T visitShowRegions(IoTDBSqlParser.ShowRegionsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showRegions().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowRegions in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowDataNodes
```
public T visitShowDataNodes(IoTDBSqlParser.ShowDataNodesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showDataNodes().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowDataNodes in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowConfigNodes
```
public T visitShowConfigNodes(IoTDBSqlParser.ShowConfigNodesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showConfigNodes().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowConfigNodes in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGetRegionId
```
public T visitGetRegionId(IoTDBSqlParser.GetRegionIdContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.getRegionId().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGetRegionId in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGetTimeSlotList
```
public T visitGetTimeSlotList(IoTDBSqlParser.GetTimeSlotListContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.getTimeSlotList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGetTimeSlotList in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCountTimeSlotList
```
public T visitCountTimeSlotList(IoTDBSqlParser.CountTimeSlotListContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.countTimeSlotList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCountTimeSlotList in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGetSeriesSlotList
```
public T visitGetSeriesSlotList(IoTDBSqlParser.GetSeriesSlotListContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.getSeriesSlotList().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGetSeriesSlotList in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitMigrateRegion
```
public T visitMigrateRegion(IoTDBSqlParser.MigrateRegionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.migrateRegion().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitMigrateRegion in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreatePipe
```
public T visitCreatePipe(IoTDBSqlParser.CreatePipeContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createPipe().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreatePipe in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExtractorAttributesClause
```
public T visitExtractorAttributesClause(IoTDBSqlParser.ExtractorAttributesClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.extractorAttributesClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExtractorAttributesClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExtractorAttributeClause
```
public T visitExtractorAttributeClause(IoTDBSqlParser.ExtractorAttributeClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.extractorAttributeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExtractorAttributeClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitProcessorAttributesClause
```
public T visitProcessorAttributesClause(IoTDBSqlParser.ProcessorAttributesClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.processorAttributesClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitProcessorAttributesClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitProcessorAttributeClause
```
public T visitProcessorAttributeClause(IoTDBSqlParser.ProcessorAttributeClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.processorAttributeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitProcessorAttributeClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConnectorAttributesClause
```
public T visitConnectorAttributesClause(IoTDBSqlParser.ConnectorAttributesClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.connectorAttributesClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConnectorAttributesClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConnectorAttributeClause
```
public T visitConnectorAttributeClause(IoTDBSqlParser.ConnectorAttributeClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.connectorAttributeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConnectorAttributeClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropPipe
```
public T visitDropPipe(IoTDBSqlParser.DropPipeContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropPipe().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropPipe in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitStartPipe
```
public T visitStartPipe(IoTDBSqlParser.StartPipeContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.startPipe().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitStartPipe in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitStopPipe
```
public T visitStopPipe(IoTDBSqlParser.StopPipeContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.stopPipe().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitStopPipe in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowPipes
```
public T visitShowPipes(IoTDBSqlParser.ShowPipesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showPipes().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowPipes in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreatePipePlugin
```
public T visitCreatePipePlugin(IoTDBSqlParser.CreatePipePluginContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createPipePlugin().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreatePipePlugin in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropPipePlugin
```
public T visitDropPipePlugin(IoTDBSqlParser.DropPipePluginContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropPipePlugin().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropPipePlugin in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowPipePlugins
```
public T visitShowPipePlugins(IoTDBSqlParser.ShowPipePluginsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showPipePlugins().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowPipePlugins in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateModel
```
public T visitCreateModel(IoTDBSqlParser.CreateModelContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createModel().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateModel in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropModel
```
public T visitDropModel(IoTDBSqlParser.DropModelContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropModel().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropModel in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowModels
```
public T visitShowModels(IoTDBSqlParser.ShowModelsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showModels().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowModels in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowTrails
```
public T visitShowTrails(IoTDBSqlParser.ShowTrailsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showTrails().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowTrails in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateLogicalView
```
public T visitCreateLogicalView(IoTDBSqlParser.CreateLogicalViewContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createLogicalView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateLogicalView in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowLogicalView
```
public T visitShowLogicalView(IoTDBSqlParser.ShowLogicalViewContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showLogicalView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowLogicalView in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropLogicalView
```
public T visitDropLogicalView(IoTDBSqlParser.DropLogicalViewContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropLogicalView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropLogicalView in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRenameLogicalView
```
public T visitRenameLogicalView(IoTDBSqlParser.RenameLogicalViewContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.renameLogicalView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRenameLogicalView in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterLogicalView
```
public T visitAlterLogicalView(IoTDBSqlParser.AlterLogicalViewContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.alterLogicalView().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterLogicalView in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitViewSuffixPaths
```
public T visitViewSuffixPaths(IoTDBSqlParser.ViewSuffixPathsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.viewSuffixPaths().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitViewSuffixPaths in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitViewTargetPaths
```
public T visitViewTargetPaths(IoTDBSqlParser.ViewTargetPathsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.viewTargetPaths().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitViewTargetPaths in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitViewSourcePaths
```
public T visitViewSourcePaths(IoTDBSqlParser.ViewSourcePathsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.viewSourcePaths().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitViewSourcePaths in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectStatement
```
public T visitSelectStatement(IoTDBSqlParser.SelectStatementContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.selectStatement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelectStatement in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSelectClause
```
public T visitSelectClause(IoTDBSqlParser.SelectClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.selectClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSelectClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitResultColumn
```
public T visitResultColumn(IoTDBSqlParser.ResultColumnContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.resultColumn().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitResultColumn in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIntoClause
```
public T visitIntoClause(IoTDBSqlParser.IntoClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.intoClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIntoClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIntoItem
```
public T visitIntoItem(IoTDBSqlParser.IntoItemContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.intoItem().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIntoItem in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFromClause
```
public T visitFromClause(IoTDBSqlParser.FromClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.fromClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFromClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWhereClause
```
public T visitWhereClause(IoTDBSqlParser.WhereClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.whereClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWhereClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGroupByClause
```
public T visitGroupByClause(IoTDBSqlParser.GroupByClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.groupByClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGroupByClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGroupByAttributeClause
```
public T visitGroupByAttributeClause(IoTDBSqlParser.GroupByAttributeClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.groupByAttributeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGroupByAttributeClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNumber
```
public T visitNumber(IoTDBSqlParser.NumberContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.number().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNumber in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTimeRange
```
public T visitTimeRange(IoTDBSqlParser.TimeRangeContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.timeRange().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTimeRange in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitHavingClause
```
public T visitHavingClause(IoTDBSqlParser.HavingClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.havingClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitHavingClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOrderByClause
```
public T visitOrderByClause(IoTDBSqlParser.OrderByClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.orderByClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOrderByClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOrderByAttributeClause
```
public T visitOrderByAttributeClause(IoTDBSqlParser.OrderByAttributeClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.orderByAttributeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOrderByAttributeClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSortKey
```
public T visitSortKey(IoTDBSqlParser.SortKeyContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.sortKey().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSortKey in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFillClause
```
public T visitFillClause(IoTDBSqlParser.FillClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.fillClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFillClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPaginationClause
```
public T visitPaginationClause(IoTDBSqlParser.PaginationClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.paginationClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPaginationClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRowPaginationClause
```
public T visitRowPaginationClause(IoTDBSqlParser.RowPaginationClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.rowPaginationClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRowPaginationClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSeriesPaginationClause
```
public T visitSeriesPaginationClause(IoTDBSqlParser.SeriesPaginationClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.seriesPaginationClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSeriesPaginationClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLimitClause
```
public T visitLimitClause(IoTDBSqlParser.LimitClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.limitClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLimitClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOffsetClause
```
public T visitOffsetClause(IoTDBSqlParser.OffsetClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.offsetClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOffsetClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSlimitClause
```
public T visitSlimitClause(IoTDBSqlParser.SlimitClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.slimitClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSlimitClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSoffsetClause
```
public T visitSoffsetClause(IoTDBSqlParser.SoffsetClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.soffsetClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSoffsetClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlignByClause
```
public T visitAlignByClause(IoTDBSqlParser.AlignByClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.alignByClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlignByClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInsertStatement
```
public T visitInsertStatement(IoTDBSqlParser.InsertStatementContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.insertStatement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInsertStatement in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInsertColumnsSpec
```
public T visitInsertColumnsSpec(IoTDBSqlParser.InsertColumnsSpecContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.insertColumnsSpec().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInsertColumnsSpec in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInsertValuesSpec
```
public T visitInsertValuesSpec(IoTDBSqlParser.InsertValuesSpecContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.insertValuesSpec().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInsertValuesSpec in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitInsertMultiValue
```
public T visitInsertMultiValue(IoTDBSqlParser.InsertMultiValueContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.insertMultiValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitInsertMultiValue in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitMeasurementValue
```
public T visitMeasurementValue(IoTDBSqlParser.MeasurementValueContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.measurementValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitMeasurementValue in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDeleteStatement
```
public T visitDeleteStatement(IoTDBSqlParser.DeleteStatementContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.deleteStatement().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDeleteStatement in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateUser
```
public T visitCreateUser(IoTDBSqlParser.CreateUserContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateUser in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCreateRole
```
public T visitCreateRole(IoTDBSqlParser.CreateRoleContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.createRole().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCreateRole in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlterUser
```
public T visitAlterUser(IoTDBSqlParser.AlterUserContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.alterUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlterUser in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGrantUser
```
public T visitGrantUser(IoTDBSqlParser.GrantUserContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.grantUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGrantUser in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGrantRole
```
public T visitGrantRole(IoTDBSqlParser.GrantRoleContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.grantRole().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGrantRole in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGrantRoleToUser
```
public T visitGrantRoleToUser(IoTDBSqlParser.GrantRoleToUserContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.grantRoleToUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGrantRoleToUser in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRevokeUser
```
public T visitRevokeUser(IoTDBSqlParser.RevokeUserContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.revokeUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRevokeUser in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRevokeRole
```
public T visitRevokeRole(IoTDBSqlParser.RevokeRoleContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.revokeRole().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRevokeRole in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRevokeRoleFromUser
```
public T visitRevokeRoleFromUser(IoTDBSqlParser.RevokeRoleFromUserContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.revokeRoleFromUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRevokeRoleFromUser in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropUser
```
public T visitDropUser(IoTDBSqlParser.DropUserContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropUser in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDropRole
```
public T visitDropRole(IoTDBSqlParser.DropRoleContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dropRole().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDropRole in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitListUser
```
public T visitListUser(IoTDBSqlParser.ListUserContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.listUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitListUser in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitListRole
```
public T visitListRole(IoTDBSqlParser.ListRoleContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.listRole().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitListRole in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitListPrivilegesUser
```
public T visitListPrivilegesUser(IoTDBSqlParser.ListPrivilegesUserContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.listPrivilegesUser().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitListPrivilegesUser in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitListPrivilegesRole
```
public T visitListPrivilegesRole(IoTDBSqlParser.ListPrivilegesRoleContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.listPrivilegesRole().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitListPrivilegesRole in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrivileges
```
public T visitPrivileges(IoTDBSqlParser.PrivilegesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.privileges().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrivileges in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrivilegeValue
```
public T visitPrivilegeValue(IoTDBSqlParser.PrivilegeValueContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.privilegeValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrivilegeValue in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUsernameWithRoot
```
public T visitUsernameWithRoot(IoTDBSqlParser.UsernameWithRootContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.usernameWithRoot().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUsernameWithRoot in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitMerge
```
public T visitMerge(IoTDBSqlParser.MergeContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.merge().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitMerge in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFullMerge
```
public T visitFullMerge(IoTDBSqlParser.FullMergeContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.fullMerge().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFullMerge in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFlush
```
public T visitFlush(IoTDBSqlParser.FlushContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.flush().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFlush in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitClearCache
```
public T visitClearCache(IoTDBSqlParser.ClearCacheContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.clearCache().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitClearCache in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSettle
```
public T visitSettle(IoTDBSqlParser.SettleContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.settle().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSettle in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExplain
```
public T visitExplain(IoTDBSqlParser.ExplainContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.explain().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExplain in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSetSystemStatus
```
public T visitSetSystemStatus(IoTDBSqlParser.SetSystemStatusContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.setSystemStatus().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSetSystemStatus in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowVersion
```
public T visitShowVersion(IoTDBSqlParser.ShowVersionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showVersion().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowVersion in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowFlushInfo
```
public T visitShowFlushInfo(IoTDBSqlParser.ShowFlushInfoContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showFlushInfo().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowFlushInfo in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowLockInfo
```
public T visitShowLockInfo(IoTDBSqlParser.ShowLockInfoContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showLockInfo().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowLockInfo in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowQueryResource
```
public T visitShowQueryResource(IoTDBSqlParser.ShowQueryResourceContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showQueryResource().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowQueryResource in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitShowQueries
```
public T visitShowQueries(IoTDBSqlParser.ShowQueriesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.showQueries().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitShowQueries in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitKillQuery
```
public T visitKillQuery(IoTDBSqlParser.KillQueryContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.killQuery().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitKillQuery in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitGrantWatermarkEmbedding
```
public T visitGrantWatermarkEmbedding(IoTDBSqlParser.GrantWatermarkEmbeddingContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.grantWatermarkEmbedding().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitGrantWatermarkEmbedding in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRevokeWatermarkEmbedding
```
public T visitRevokeWatermarkEmbedding(IoTDBSqlParser.RevokeWatermarkEmbeddingContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.revokeWatermarkEmbedding().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRevokeWatermarkEmbedding in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLoadConfiguration
```
public T visitLoadConfiguration(IoTDBSqlParser.LoadConfigurationContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.loadConfiguration().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLoadConfiguration in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLoadTimeseries
```
public T visitLoadTimeseries(IoTDBSqlParser.LoadTimeseriesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.loadTimeseries().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLoadTimeseries in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLoadFile
```
public T visitLoadFile(IoTDBSqlParser.LoadFileContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.loadFile().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLoadFile in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLoadFileAttributeClauses
```
public T visitLoadFileAttributeClauses(IoTDBSqlParser.LoadFileAttributeClausesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.loadFileAttributeClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLoadFileAttributeClauses in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitLoadFileAttributeClause
```
public T visitLoadFileAttributeClause(IoTDBSqlParser.LoadFileAttributeClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.loadFileAttributeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitLoadFileAttributeClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRemoveFile
```
public T visitRemoveFile(IoTDBSqlParser.RemoveFileContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.removeFile().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRemoveFile in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitUnloadFile
```
public T visitUnloadFile(IoTDBSqlParser.UnloadFileContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.unloadFile().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitUnloadFile in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSyncAttributeClauses
```
public T visitSyncAttributeClauses(IoTDBSqlParser.SyncAttributeClausesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.syncAttributeClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSyncAttributeClauses in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFullPath
```
public T visitFullPath(IoTDBSqlParser.FullPathContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.fullPath().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFullPath in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFullPathInExpression
```
public T visitFullPathInExpression(IoTDBSqlParser.FullPathInExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.fullPathInExpression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFullPathInExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitPrefixPath
```
public T visitPrefixPath(IoTDBSqlParser.PrefixPathContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.prefixPath().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitPrefixPath in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFullPathInIntoPath
```
public T visitFullPathInIntoPath(IoTDBSqlParser.FullPathInIntoPathContext ctx)
```
    Visit a parse tree produced by the fullPathInIntoPath labeled alternative in IoTDBSqlParser.intoPath().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFullPathInIntoPath in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSuffixPathInIntoPath
```
public T visitSuffixPathInIntoPath(IoTDBSqlParser.SuffixPathInIntoPathContext ctx)
```
    Visit a parse tree produced by the suffixPathInIntoPath labeled alternative in IoTDBSqlParser.intoPath().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSuffixPathInIntoPath in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNodeName
```
public T visitNodeName(IoTDBSqlParser.NodeNameContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.nodeName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNodeName in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNodeNameWithoutWildcard
```
public T visitNodeNameWithoutWildcard(IoTDBSqlParser.NodeNameWithoutWildcardContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.nodeNameWithoutWildcard().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNodeNameWithoutWildcard in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNodeNameSlice
```
public T visitNodeNameSlice(IoTDBSqlParser.NodeNameSliceContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.nodeNameSlice().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNodeNameSlice in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNodeNameInIntoPath
```
public T visitNodeNameInIntoPath(IoTDBSqlParser.NodeNameInIntoPathContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.nodeNameInIntoPath().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNodeNameInIntoPath in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWildcard
```
public T visitWildcard(IoTDBSqlParser.WildcardContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.wildcard().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWildcard in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitConstant
```
public T visitConstant(IoTDBSqlParser.ConstantContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.constant().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitConstant in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDatetimeLiteral
```
public T visitDatetimeLiteral(IoTDBSqlParser.DatetimeLiteralContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.datetimeLiteral().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDatetimeLiteral in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitRealLiteral
```
public T visitRealLiteral(IoTDBSqlParser.RealLiteralContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.realLiteral().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitRealLiteral in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTimeValue
```
public T visitTimeValue(IoTDBSqlParser.TimeValueContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.timeValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTimeValue in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitDateExpression
```
public T visitDateExpression(IoTDBSqlParser.DateExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.dateExpression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitDateExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitExpression
```
public T visitExpression(IoTDBSqlParser.ExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.expression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitCaseWhenThenExpression
```
public T visitCaseWhenThenExpression(IoTDBSqlParser.CaseWhenThenExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.caseWhenThenExpression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitCaseWhenThenExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitWhenThenExpression
```
public T visitWhenThenExpression(IoTDBSqlParser.WhenThenExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.whenThenExpression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitWhenThenExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitFunctionName
```
public T visitFunctionName(IoTDBSqlParser.FunctionNameContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.functionName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitFunctionName in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitScalarFunctionExpression
```
public T visitScalarFunctionExpression(IoTDBSqlParser.ScalarFunctionExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.scalarFunctionExpression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitScalarFunctionExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperator_eq
```
public T visitOperator_eq(IoTDBSqlParser.Operator_eqContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.operator_eq().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperator_eq in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperator_and
```
public T visitOperator_and(IoTDBSqlParser.Operator_andContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.operator_and().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperator_and in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperator_or
```
public T visitOperator_or(IoTDBSqlParser.Operator_orContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.operator_or().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperator_or in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperator_not
```
public T visitOperator_not(IoTDBSqlParser.Operator_notContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.operator_not().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperator_not in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperator_contains
```
public T visitOperator_contains(IoTDBSqlParser.Operator_containsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.operator_contains().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperator_contains in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperator_between
```
public T visitOperator_between(IoTDBSqlParser.Operator_betweenContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.operator_between().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperator_between in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperator_is
```
public T visitOperator_is(IoTDBSqlParser.Operator_isContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.operator_is().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperator_is in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitOperator_in
```
public T visitOperator_in(IoTDBSqlParser.Operator_inContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.operator_in().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitOperator_in in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNull_literal
```
public T visitNull_literal(IoTDBSqlParser.Null_literalContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.null_literal().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNull_literal in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitNan_literal
```
public T visitNan_literal(IoTDBSqlParser.Nan_literalContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.nan_literal().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitNan_literal in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitBoolean_literal
```
public T visitBoolean_literal(IoTDBSqlParser.Boolean_literalContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.boolean_literal().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitBoolean_literal in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAttributeClauses
```
public T visitAttributeClauses(IoTDBSqlParser.AttributeClausesContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.attributeClauses().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAttributeClauses in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAliasNodeName
```
public T visitAliasNodeName(IoTDBSqlParser.AliasNodeNameContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.aliasNodeName().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAliasNodeName in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitTagClause
```
public T visitTagClause(IoTDBSqlParser.TagClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.tagClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitTagClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAttributeClause
```
public T visitAttributeClause(IoTDBSqlParser.AttributeClauseContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.attributeClause().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAttributeClause in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAttributePair
```
public T visitAttributePair(IoTDBSqlParser.AttributePairContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.attributePair().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAttributePair in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAttributeKey
```
public T visitAttributeKey(IoTDBSqlParser.AttributeKeyContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.attributeKey().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAttributeKey in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAttributeValue
```
public T visitAttributeValue(IoTDBSqlParser.AttributeValueContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.attributeValue().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAttributeValue in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitAlias
```
public T visitAlias(IoTDBSqlParser.AliasContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.alias().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitAlias in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSubStringExpression
```
public T visitSubStringExpression(IoTDBSqlParser.SubStringExpressionContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.subStringExpression().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSubStringExpression in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitSignedIntegerLiteral
```
public T visitSignedIntegerLiteral(IoTDBSqlParser.SignedIntegerLiteralContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.signedIntegerLiteral().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitSignedIntegerLiteral in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitIdentifier
```
public T visitIdentifier(IoTDBSqlParser.IdentifierContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.identifier().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitIdentifier in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result
  - visitKeyWords
```
public T visitKeyWords(IoTDBSqlParser.KeyWordsContext ctx)
```
    Visit a parse tree produced by IoTDBSqlParser.keyWords().
    The default implementation returns the result of calling AbstractParseTreeVisitor.visitChildren(org.antlr.v4.runtime.tree.RuleNode) on ctx.
    
    Specified by:
    
    visitKeyWords in interface IoTDBSqlParserVisitor<T>
    
    Parameters:
    
    ctx - the parse tree
    
    Returns:
    
    the visitor result

Class IoTDBSqlParserBaseVisitor<T>

Constructor Summary

Method Summary

Methods inherited from class org.antlr.v4.runtime.tree.AbstractParseTreeVisitor

Methods inherited from class java.lang.Object

Methods inherited from interface org.antlr.v4.runtime.tree.ParseTreeVisitor

Constructor Detail

IoTDBSqlParserBaseVisitor

Method Detail

visitSingleStatement

visitStatement

visitDdlStatement

visitDmlStatement

visitDclStatement

visitUtilityStatement

visitCreateDatabase

visitDatabaseAttributesClause

visitDatabaseAttributeClause

visitDatabaseAttributeKey

visitDropDatabase

visitDropPartition

visitAlterDatabase

visitShowDatabases

visitCountDatabases

visitCreateAlignedTimeseries

visitCreateNonAlignedTimeseries

visitAlignedMeasurements

visitDropTimeseries

visitAlterTimeseries

visitAlterClause

visitAliasClause

visitShowDevices

visitShowTimeseries

visitShowChildPaths

visitShowChildNodes

visitCountDevices

visitCountTimeseries

visitCountNodes

visitDevicesWhereClause

visitDeviceContainsExpression

visitTimeseriesWhereClause

visitTimeseriesContainsExpression

visitColumnEqualsExpression

visitTagEqualsExpression

visitTagContainsExpression

visitCreateSchemaTemplate

visitTemplateMeasurementClause

visitCreateTimeseriesUsingSchemaTemplate

visitDropSchemaTemplate

visitDropTimeseriesOfSchemaTemplate

visitShowSchemaTemplates

visitShowNodesInSchemaTemplate

visitShowPathsSetSchemaTemplate

visitShowPathsUsingSchemaTemplate

visitSetSchemaTemplate

visitUnsetSchemaTemplate

visitAlterSchemaTemplate

visitSetTTL

visitUnsetTTL

visitShowTTL

visitShowAllTTL

visitCreateFunction

visitUriClause

visitUri

visitDropFunction

visitShowFunctions

visitShowSpaceQuota

visitSetSpaceQuota

visitSetThrottleQuota

visitShowThrottleQuota

visitCreateTrigger

visitTriggerType

visitTriggerEventClause

visitTriggerAttributeClause

visitTriggerAttribute

visitDropTrigger

visitShowTriggers

visitStartTrigger

visitStopTrigger

visitCreateContinuousQuery