Package io.trino.connector.informationschema

Class InformationSchemaMetadata

java.lang.Object

io.trino.connector.informationschema.InformationSchemaMetadata

All Implemented Interfaces:

ConnectorMetadata

public class InformationSchemaMetadata
extends Object
implements ConnectorMetadata

Nested Class Summary

Nested classes/interfaces inherited from interface io.trino.spi.connector.ConnectorMetadata

ConnectorMetadata.Helper

Field Summary

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

MODIFYING_ROWS_MESSAGE

Constructor Summary

Constructors

Constructor	Description
InformationSchemaMetadata(String catalogName, Metadata metadata, int maxPrefetchedInformationSchemaPrefixes)

Method Summary

Modifier and Type	Method	Description
Optional<ConstraintApplicationResult<ConnectorTableHandle>>	applyFilter(ConnectorSession session, ConnectorTableHandle handle, Constraint constraint)
Optional<LimitApplicationResult<ConnectorTableHandle>>	applyLimit(ConnectorSession session, ConnectorTableHandle handle, long limit)
static Set<QualifiedTablePrefix>	defaultPrefixes(String catalogName)
Map<String,ColumnHandle>	getColumnHandles(ConnectorSession session, ConnectorTableHandle tableHandle)
ColumnMetadata	getColumnMetadata(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle)
ConnectorTableHandle	getTableHandle(ConnectorSession connectorSession, SchemaTableName tableName)
ConnectorTableMetadata	getTableMetadata(ConnectorSession session, ConnectorTableHandle tableHandle)
ConnectorTableProperties	getTableProperties(ConnectorSession session, ConnectorTableHandle table)
static boolean	isTablesEnumeratingTable(InformationSchemaTable 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, addField, applyAggregation, applyDelete, applyJoin, applyJoin, applyProjection, applySample, applyTableFunction, applyTableScanRedirect, applyTopN, applyUpdate, beginCreateTable, beginCreateTable, beginInsert, beginMerge, beginQuery, beginRefreshMaterializedView, beginStatisticsCollection, beginTableExecute, cleanupQuery, createLanguageFunction, createMaterializedView, createRole, createSchema, createTable, createTable, createView, delegateMaterializedViewRefreshToConnector, denySchemaPrivileges, denyTablePrivileges, dropColumn, dropField, dropLanguageFunction, dropMaterializedView, dropRole, dropSchema, dropTable, dropView, executeDelete, executeTableExecute, executeUpdate, finishCreateTable, finishInsert, finishMerge, finishRefreshMaterializedView, finishStatisticsCollection, finishTableExecute, getAggregationFunctionMetadata, getCommonPartitioningHandle, getFunctionDependencies, getFunctionMetadata, getFunctions, getInfo, getInsertLayout, getInsertWriterScalingOptions, getLanguageFunctions, getLayoutForTableExecute, getMaterializedView, getMaterializedViewFreshness, getMaterializedViewProperties, getMaterializedViews, getMaxWriterTasks, getMergeRowIdColumnHandle, getNewTableLayout, getNewTableWriterScalingOptions, getRelationTypes, getRowChangeParadigm, getSchemaOwner, getSchemaProperties, getStatisticsCollectionMetadata, getStatisticsCollectionMetadataForWrite, getSupportedType, getSystemTable, getTableHandle, getTableHandleForExecute, getTableName, getTableSchema, getTableStatistics, getUpdateLayout, getView, getViews, grantRoles, grantSchemaPrivileges, grantTablePrivileges, languageFunctionExists, listApplicableRoles, listEnabledRoles, listFunctions, listLanguageFunctions, listMaterializedViews, listRoleGrants, listRoles, listTablePrivileges, listViews, makeCompatiblePartitioning, redirectTable, refreshMaterializedView, renameColumn, renameField, renameMaterializedView, renameSchema, renameTable, renameView, resolveIndex, revokeRoles, revokeSchemaPrivileges, revokeTablePrivileges, roleExists, schemaExists, setColumnComment, setColumnType, setFieldType, setMaterializedViewColumnComment, setMaterializedViewProperties, setSchemaAuthorization, setTableAuthorization, setTableComment, setTableProperties, setViewAuthorization, setViewColumnComment, setViewComment, streamRelationColumns, streamRelationComments, streamTableColumns, supportsMissingColumnsOnInsert, truncateTable, validateScan

Constructor Details

InformationSchemaMetadata

public InformationSchemaMetadata(String catalogName,
 Metadata metadata,
 int maxPrefetchedInformationSchemaPrefixes)

Method Details

listSchemaNames

public List<String> listSchemaNames(ConnectorSession session)

Specified by:

listSchemaNames in interface ConnectorMetadata

getTableHandle

public ConnectorTableHandle getTableHandle(ConnectorSession connectorSession,
 SchemaTableName tableName)

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

getColumnMetadata

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

Specified by:

getColumnMetadata 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

getTableProperties

public ConnectorTableProperties getTableProperties(ConnectorSession session,
 ConnectorTableHandle table)

Specified by:

getTableProperties in interface ConnectorMetadata

applyLimit

public Optional<LimitApplicationResult<ConnectorTableHandle>> applyLimit(ConnectorSession session,
 ConnectorTableHandle handle,
 long limit)

Specified by:

applyLimit in interface ConnectorMetadata

applyFilter

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

Specified by:

applyFilter in interface ConnectorMetadata

defaultPrefixes

public static Set<QualifiedTablePrefix> defaultPrefixes(String catalogName)

isTablesEnumeratingTable

public static boolean isTablesEnumeratingTable(InformationSchemaTable table)