Package org.apache.iotdb.db.mpp.plan.analyze

Interface ISchemaFetcher

All Known Implementing Classes:

ClusterSchemaFetcher, FakeSchemaFetcherImpl, StandaloneSchemaFetcher

public interface ISchemaFetcher

This interface is used to fetch the metadata information required in execution plan generating.

Method Summary

Modifier and Type	Method	Description
java.util.Map<java.lang.Integer,Template>	checkAllRelatedTemplate(org.apache.iotdb.commons.path.PartialPath pathPattern)
org.apache.iotdb.tsfile.utils.Pair<Template,org.apache.iotdb.commons.path.PartialPath>	checkTemplateSetInfo(org.apache.iotdb.commons.path.PartialPath path)
ISchemaTree	fetchSchema(PathPatternTree patternTree)
ISchemaTree	fetchSchemaListWithAutoCreate(java.util.List<org.apache.iotdb.commons.path.PartialPath> devicePath, java.util.List<java.lang.String[]> measurements, java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType[]> tsDataTypes, java.util.List<java.lang.Boolean> aligned)
ISchemaTree	fetchSchemaWithAutoCreate(org.apache.iotdb.commons.path.PartialPath devicePath, java.lang.String[] measurements, java.util.function.Function<java.lang.Integer,org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> getDataType, boolean aligned)
org.apache.iotdb.tsfile.utils.Pair<Template,java.util.List<org.apache.iotdb.commons.path.PartialPath>>	getAllPathsSetTemplate(java.lang.String templateName)
void	invalidAllCache()

Method Detail

fetchSchema

ISchemaTree fetchSchema(PathPatternTree patternTree)

fetchSchemaWithAutoCreate

ISchemaTree fetchSchemaWithAutoCreate(org.apache.iotdb.commons.path.PartialPath devicePath,
                                      java.lang.String[] measurements,
                                      java.util.function.Function<java.lang.Integer,org.apache.iotdb.tsfile.file.metadata.enums.TSDataType> getDataType,
                                      boolean aligned)

fetchSchemaListWithAutoCreate

ISchemaTree fetchSchemaListWithAutoCreate(java.util.List<org.apache.iotdb.commons.path.PartialPath> devicePath,
                                          java.util.List<java.lang.String[]> measurements,
                                          java.util.List<org.apache.iotdb.tsfile.file.metadata.enums.TSDataType[]> tsDataTypes,
                                          java.util.List<java.lang.Boolean> aligned)

checkTemplateSetInfo

org.apache.iotdb.tsfile.utils.Pair<Template,org.apache.iotdb.commons.path.PartialPath> checkTemplateSetInfo(org.apache.iotdb.commons.path.PartialPath path)

checkAllRelatedTemplate

java.util.Map<java.lang.Integer,Template> checkAllRelatedTemplate(org.apache.iotdb.commons.path.PartialPath pathPattern)

getAllPathsSetTemplate

org.apache.iotdb.tsfile.utils.Pair<Template,java.util.List<org.apache.iotdb.commons.path.PartialPath>> getAllPathsSetTemplate(java.lang.String templateName)

invalidAllCache

void invalidAllCache()