Package io.trino.plugin.kafka

Class KafkaMetadata

java.lang.Object

io.trino.plugin.kafka.KafkaMetadata

All Implemented Interfaces:

ConnectorMetadata

public class KafkaMetadata
extends Object
implements ConnectorMetadata

Manages the Kafka connector specific metadata information. The Connector provides an additional set of columns for each table that are created as hidden columns. See KafkaInternalFieldManager for a list of per-topic additional columns.

Constructor Summary

Constructors

Constructor	Description
KafkaMetadata(KafkaConfig kafkaConfig, TableDescriptionSupplier tableDescriptionSupplier, KafkaInternalFieldManager kafkaInternalFieldManager)

Method Summary

Modifier and Type	Method	Description
Optional<ConstraintApplicationResult<ConnectorTableHandle>>	applyFilter(ConnectorSession session, ConnectorTableHandle table, Constraint constraint)
ConnectorInsertTableHandle	beginInsert(ConnectorSession session, ConnectorTableHandle tableHandle, List<ColumnHandle> columns, RetryMode retryMode)
Optional<ConnectorOutputMetadata>	finishInsert(ConnectorSession session, ConnectorInsertTableHandle insertHandle, Collection<io.airlift.slice.Slice> fragments, Collection<ComputedStatistics> computedStatistics)
Map<String,ColumnHandle>	getColumnHandles(ConnectorSession session, ConnectorTableHandle tableHandle)
ColumnMetadata	getColumnMetadata(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle)
KafkaTableHandle	getTableHandle(ConnectorSession session, SchemaTableName schemaTableName)
ConnectorTableMetadata	getTableMetadata(ConnectorSession session, ConnectorTableHandle tableHandle)
ConnectorTableProperties	getTableProperties(ConnectorSession session, ConnectorTableHandle table)
List<String>	listSchemaNames(ConnectorSession session)
Map<SchemaTableName,List<ColumnMetadata>>	listTableColumns(ConnectorSession session, SchemaTablePrefix prefix)
List<SchemaTableName>	listTables(ConnectorSession session, Optional<String> schemaName)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface io.trino.spi.connector.ConnectorMetadata

addColumn, applyAggregation, applyDelete, applyJoin, applyLimit, applyProjection, applySample, applyTableFunction, applyTableScanRedirect, applyTopN, beginCreateTable, beginDelete, beginQuery, beginRefreshMaterializedView, beginStatisticsCollection, beginTableExecute, beginUpdate, cleanupQuery, createMaterializedView, createRole, createSchema, createTable, createView, delegateMaterializedViewRefreshToConnector, denySchemaPrivileges, denyTablePrivileges, dropColumn, dropMaterializedView, dropRole, dropSchema, dropTable, dropView, executeDelete, executeTableExecute, finishCreateTable, finishDelete, finishRefreshMaterializedView, finishStatisticsCollection, finishTableExecute, finishUpdate, getCommonPartitioningHandle, getDeleteRowIdColumnHandle, getInfo, getInsertLayout, getLayoutForTableExecute, getMaterializedView, getMaterializedViewFreshness, getMaterializedViews, getNewTableLayout, getSchemaOwner, getSchemaProperties, getSchemaTableName, getStatisticsCollectionMetadata, getStatisticsCollectionMetadata, getStatisticsCollectionMetadataForWrite, getSystemTable, getTableHandle, getTableHandleForExecute, getTableHandleForStatisticsCollection, getTableSchema, getTableStatistics, getUpdateRowIdColumnHandle, getView, getViews, grantRoles, grantSchemaPrivileges, grantTablePrivileges, listAllRoleGrants, listApplicableRoles, listEnabledRoles, listMaterializedViews, listRoleGrants, listRoles, listTablePrivileges, listViews, makeCompatiblePartitioning, redirectTable, refreshMaterializedView, renameColumn, renameMaterializedView, renameSchema, renameTable, renameView, resolveIndex, revokeRoles, revokeSchemaPrivileges, revokeTablePrivileges, roleExists, schemaExists, setColumnComment, setMaterializedViewProperties, setSchemaAuthorization, setTableAuthorization, setTableComment, setTableProperties, setViewAuthorization, setViewComment, streamTableColumns, supportsMissingColumnsOnInsert, supportsReportingWrittenBytes, supportsReportingWrittenBytes, truncateTable, validateScan

Constructor Detail

KafkaMetadata

@Inject
public KafkaMetadata(KafkaConfig kafkaConfig,
                     TableDescriptionSupplier tableDescriptionSupplier,
                     KafkaInternalFieldManager kafkaInternalFieldManager)

Method Detail

listSchemaNames

public List<String> listSchemaNames(ConnectorSession session)

Specified by:

listSchemaNames in interface ConnectorMetadata

getTableHandle

public KafkaTableHandle getTableHandle(ConnectorSession session,
                                       SchemaTableName schemaTableName)

Specified by:

getTableHandle in interface ConnectorMetadata

getTableMetadata

public ConnectorTableMetadata getTableMetadata(ConnectorSession session,
                                               ConnectorTableHandle tableHandle)

Specified by:

getTableMetadata in interface ConnectorMetadata

listTables

public List<SchemaTableName> listTables(ConnectorSession session,
                                        Optional<String> schemaName)

Specified by:

listTables in interface ConnectorMetadata

getColumnHandles

public Map<String,ColumnHandle> getColumnHandles(ConnectorSession session,
                                                       ConnectorTableHandle tableHandle)

Specified by:

getColumnHandles in interface ConnectorMetadata

listTableColumns

public Map<SchemaTableName,List<ColumnMetadata>> listTableColumns(ConnectorSession session,
                                                                        SchemaTablePrefix prefix)

Specified by:

listTableColumns in interface ConnectorMetadata

getColumnMetadata

public ColumnMetadata getColumnMetadata(ConnectorSession session,
                                        ConnectorTableHandle tableHandle,
                                        ColumnHandle columnHandle)

Specified by:

getColumnMetadata in interface ConnectorMetadata

getTableProperties

public ConnectorTableProperties getTableProperties(ConnectorSession session,
                                                   ConnectorTableHandle table)

Specified by:

getTableProperties in interface ConnectorMetadata

applyFilter

public Optional<ConstraintApplicationResult<ConnectorTableHandle>> applyFilter(ConnectorSession session,
                                                                               ConnectorTableHandle table,
                                                                               Constraint constraint)

Specified by:

applyFilter in interface ConnectorMetadata

beginInsert

public ConnectorInsertTableHandle beginInsert(ConnectorSession session,
                                              ConnectorTableHandle tableHandle,
                                              List<ColumnHandle> columns,
                                              RetryMode retryMode)

Specified by:

beginInsert in interface ConnectorMetadata

finishInsert

public Optional<ConnectorOutputMetadata> finishInsert(ConnectorSession session,
                                                      ConnectorInsertTableHandle insertHandle,
                                                      Collection<io.airlift.slice.Slice> fragments,
                                                      Collection<ComputedStatistics> computedStatistics)

Specified by:

finishInsert in interface ConnectorMetadata