io.prestosql.connector.informationschema

Class InformationSchemaMetadata

java.lang.Object

io.prestosql.connector.informationschema.InformationSchemaMetadata

All Implemented Interfaces:

ConnectorMetadata

public class InformationSchemaMetadata
extends Object
implements ConnectorMetadata

Field Summary

Fields

Modifier and Type	Field and Description
static String	INFORMATION_SCHEMA
static SchemaTableName	TABLE_APPLICABLE_ROLES
static SchemaTableName	TABLE_COLUMNS
static SchemaTableName	TABLE_ENABLED_ROLES
static SchemaTableName	TABLE_ROLES
static SchemaTableName	TABLE_SCHEMATA
static SchemaTableName	TABLE_TABLE_PRIVILEGES
static SchemaTableName	TABLE_TABLES
static SchemaTableName	TABLE_VIEWS
static Map<SchemaTableName,ConnectorTableMetadata>	TABLES

Constructor Summary

Constructors

Constructor and Description
InformationSchemaMetadata(String catalogName, Metadata metadata)

Method Summary

Modifier and Type	Method and Description
Optional<ConstraintApplicationResult<ConnectorTableHandle>>	applyFilter(ConnectorSession session, ConnectorTableHandle handle, Constraint constraint)
Set<QualifiedTablePrefix>	calculatePrefixesWithTableName(ConnectorSession connectorSession, Set<QualifiedTablePrefix> prefixes, TupleDomain<ColumnHandle> constraint, Optional<Predicate<Map<ColumnHandle,NullableValue>>> predicate)
Map<String,ColumnHandle>	getColumnHandles(ConnectorSession session, ConnectorTableHandle tableHandle)
ColumnMetadata	getColumnMetadata(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle)
ConnectorTableHandle	getTableHandle(ConnectorSession connectorSession, SchemaTableName tableName)
ConnectorTableLayout	getTableLayout(ConnectorSession session, ConnectorTableLayoutHandle handle)
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)
boolean	usesLegacyTableLayouts()

Methods inherited from class java.lang.Object

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

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

addColumn, applyLimit, applySample, beginCreateTable, beginDelete, beginInsert, beginQuery, beginStatisticsCollection, cleanupQuery, createRole, createSchema, createTable, createView, dropColumn, dropRole, dropSchema, dropTable, dropView, finishCreateTable, finishDelete, finishInsert, finishStatisticsCollection, getCommonPartitioningHandle, getInfo, getInfo, getInsertLayout, getNewTableLayout, getStatisticsCollectionMetadata, getStatisticsCollectionMetadataForWrite, getSystemTable, getTableHandleForStatisticsCollection, getTableLayouts, getTableStatistics, getUpdateRowIdColumnHandle, getViews, grantRoles, grantTablePrivileges, listApplicableRoles, listEnabledRoles, listRoleGrants, listRoles, listTablePrivileges, listViews, makeCompatiblePartitioning, metadataDelete, renameColumn, renameSchema, renameTable, resolveIndex, revokeRoles, revokeTablePrivileges, schemaExists, setTableComment, supportsMetadataDelete

Field Detail

INFORMATION_SCHEMA

public static final String INFORMATION_SCHEMA

See Also:

Constant Field Values

TABLE_COLUMNS

public static final SchemaTableName TABLE_COLUMNS

TABLE_TABLES

public static final SchemaTableName TABLE_TABLES

TABLE_VIEWS

public static final SchemaTableName TABLE_VIEWS

TABLE_SCHEMATA

public static final SchemaTableName TABLE_SCHEMATA

TABLE_TABLE_PRIVILEGES

public static final SchemaTableName TABLE_TABLE_PRIVILEGES

TABLE_ROLES

public static final SchemaTableName TABLE_ROLES

TABLE_APPLICABLE_ROLES

public static final SchemaTableName TABLE_APPLICABLE_ROLES

TABLE_ENABLED_ROLES

public static final SchemaTableName TABLE_ENABLED_ROLES

TABLES

public static final Map<SchemaTableName,ConnectorTableMetadata> TABLES

Constructor Detail

InformationSchemaMetadata

public InformationSchemaMetadata(String catalogName,
                                 Metadata metadata)

Method Detail

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

usesLegacyTableLayouts

public boolean usesLegacyTableLayouts()

Specified by:

usesLegacyTableLayouts 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 handle,
                                                                               Constraint constraint)

Specified by:

applyFilter in interface ConnectorMetadata

calculatePrefixesWithTableName

public Set<QualifiedTablePrefix> calculatePrefixesWithTableName(ConnectorSession connectorSession,
                                                                Set<QualifiedTablePrefix> prefixes,
                                                                TupleDomain<ColumnHandle> constraint,
                                                                Optional<Predicate<Map<ColumnHandle,NullableValue>>> predicate)

getTableLayout

public ConnectorTableLayout getTableLayout(ConnectorSession session,
                                           ConnectorTableLayoutHandle handle)

Specified by:

getTableLayout in interface ConnectorMetadata