io.prestosql.plugin.tpch

Class TpchMetadata

java.lang.Object

io.prestosql.plugin.tpch.TpchMetadata

All Implemented Interfaces:

ConnectorMetadata

public class TpchMetadata
extends Object
implements ConnectorMetadata

Field Summary

Fields

Modifier and Type	Field and Description
static String	ROW_NUMBER_COLUMN_NAME
static List<String>	SCHEMA_NAMES
static double	TINY_SCALE_FACTOR
static String	TINY_SCHEMA_NAME

Constructor Summary

Constructors

Constructor and Description
TpchMetadata()
TpchMetadata(ColumnNaming columnNaming, boolean predicatePushdownEnabled, boolean partitioningEnabled)

Method Summary

Modifier and Type	Method and Description
Optional<ConstraintApplicationResult<ConnectorTableHandle>>	applyFilter(ConnectorSession session, ConnectorTableHandle table, Constraint constraint)
ConnectorTableHandle	beginStatisticsCollection(ConnectorSession session, ConnectorTableHandle tableHandle)
void	finishStatisticsCollection(ConnectorSession session, ConnectorTableHandle tableHandle, Collection<ComputedStatistics> computedStatistics)
Map<String,ColumnHandle>	getColumnHandles(ConnectorSession session, ConnectorTableHandle tableHandle)
ColumnMetadata	getColumnMetadata(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle)
static Type	getPrestoType(io.prestosql.tpch.TpchColumn<?> column)
TableStatisticsMetadata	getStatisticsCollectionMetadata(ConnectorSession session, ConnectorTableMetadata tableMetadata)
TpchTableHandle	getTableHandle(ConnectorSession session, SchemaTableName tableName)
ConnectorTableHandle	getTableHandleForStatisticsCollection(ConnectorSession session, SchemaTableName tableName, Map<String,Object> analyzeProperties)
ConnectorTableMetadata	getTableMetadata(ConnectorSession session, ConnectorTableHandle tableHandle)
ConnectorTableProperties	getTableProperties(ConnectorSession session, ConnectorTableHandle table)
TableStatistics	getTableStatistics(ConnectorSession session, ConnectorTableHandle tableHandle, Constraint constraint)
List<String>	listSchemaNames(ConnectorSession session)
Map<SchemaTableName,List<ColumnMetadata>>	listTableColumns(ConnectorSession session, SchemaTablePrefix prefix)
List<SchemaTableName>	listTables(ConnectorSession session, Optional<String> filterSchema)
boolean	schemaExists(ConnectorSession session, String schemaName)
static double	schemaNameToScaleFactor(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, applyDelete, applyLimit, applyProjection, applySample, beginCreateTable, beginDelete, beginInsert, beginInsert, beginQuery, cleanupQuery, createRole, createSchema, createTable, createView, dropColumn, dropRole, dropSchema, dropTable, dropView, executeDelete, finishCreateTable, finishDelete, finishInsert, getCommonPartitioningHandle, getInfo, getInfo, getInsertLayout, getNewTableLayout, getSchemaOwner, getSchemaProperties, getStatisticsCollectionMetadataForWrite, getSystemTable, getTableLayout, getTableLayouts, getUpdateRowIdColumnHandle, getView, getViews, grantRoles, grantTablePrivileges, listApplicableRoles, listEnabledRoles, listRoleGrants, listRoles, listTablePrivileges, listViews, makeCompatiblePartitioning, makeCompatiblePartitioning, metadataDelete, renameColumn, renameSchema, renameTable, renameView, resolveIndex, revokeRoles, revokeTablePrivileges, setSchemaAuthorization, setTableComment, supportsMetadataDelete, supportsMissingColumnsOnInsert, validateScan

Field Detail

TINY_SCHEMA_NAME

public static final String TINY_SCHEMA_NAME

See Also:

Constant Field Values

TINY_SCALE_FACTOR

public static final double TINY_SCALE_FACTOR

See Also:

Constant Field Values

SCHEMA_NAMES

public static final List<String> SCHEMA_NAMES

ROW_NUMBER_COLUMN_NAME

public static final String ROW_NUMBER_COLUMN_NAME

See Also:

Constant Field Values

Constructor Detail

TpchMetadata

public TpchMetadata()

TpchMetadata

public TpchMetadata(ColumnNaming columnNaming,
                    boolean predicatePushdownEnabled,
                    boolean partitioningEnabled)

Method Detail

schemaExists

public boolean schemaExists(ConnectorSession session,
                            String schemaName)

Specified by:

schemaExists in interface ConnectorMetadata

listSchemaNames

public List<String> listSchemaNames(ConnectorSession session)

Specified by:

listSchemaNames in interface ConnectorMetadata

getTableHandle

public TpchTableHandle getTableHandle(ConnectorSession session,
                                      SchemaTableName tableName)

Specified by:

getTableHandle in interface ConnectorMetadata

getTableHandleForStatisticsCollection

public ConnectorTableHandle getTableHandleForStatisticsCollection(ConnectorSession session,
                                                                  SchemaTableName tableName,
                                                                  Map<String,Object> analyzeProperties)

Specified by:

getTableHandleForStatisticsCollection in interface ConnectorMetadata

getTableMetadata

public ConnectorTableMetadata getTableMetadata(ConnectorSession session,
                                               ConnectorTableHandle tableHandle)

Specified by:

getTableMetadata 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

getTableStatistics

public TableStatistics getTableStatistics(ConnectorSession session,
                                          ConnectorTableHandle tableHandle,
                                          Constraint constraint)

Specified by:

getTableStatistics in interface ConnectorMetadata

getStatisticsCollectionMetadata

public TableStatisticsMetadata getStatisticsCollectionMetadata(ConnectorSession session,
                                                               ConnectorTableMetadata tableMetadata)

Specified by:

getStatisticsCollectionMetadata in interface ConnectorMetadata

beginStatisticsCollection

public ConnectorTableHandle beginStatisticsCollection(ConnectorSession session,
                                                      ConnectorTableHandle tableHandle)

Specified by:

beginStatisticsCollection in interface ConnectorMetadata

finishStatisticsCollection

public void finishStatisticsCollection(ConnectorSession session,
                                       ConnectorTableHandle tableHandle,
                                       Collection<ComputedStatistics> computedStatistics)

Specified by:

finishStatisticsCollection in interface ConnectorMetadata

getColumnMetadata

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

Specified by:

getColumnMetadata in interface ConnectorMetadata

listTables

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

Specified by:

listTables 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 table,
                                                                               Constraint constraint)

Specified by:

applyFilter in interface ConnectorMetadata

schemaNameToScaleFactor

public static double schemaNameToScaleFactor(String schemaName)

getPrestoType

public static Type getPrestoType(io.prestosql.tpch.TpchColumn<?> column)