Class MemoryMetadata

java.lang.Object

io.trino.plugin.memory.MemoryMetadata

All Implemented Interfaces:

ConnectorMetadata

@ThreadSafe
public class MemoryMetadata
extends Object
implements ConnectorMetadata

Field Summary

Fields

Modifier and Type	Field	Description
static final String	SCHEMA_NAME

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

MODIFYING_ROWS_MESSAGE

Constructor Summary

Constructors

Constructor	Description
MemoryMetadata(NodeManager nodeManager)

Method Summary

Modifier and Type	Method	Description
void	addColumn(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnMetadata column)
boolean	allowSplittingReadIntoMultipleSubQueries(ConnectorSession session, ConnectorTableHandle tableHandle)
Optional<LimitApplicationResult<ConnectorTableHandle>>	applyLimit(ConnectorSession session, ConnectorTableHandle handle, long limit)
Optional<SampleApplicationResult<ConnectorTableHandle>>	applySample(ConnectorSession session, ConnectorTableHandle handle, SampleType sampleType, double sampleRatio)
MemoryOutputTableHandle	beginCreateTable(ConnectorSession session, ConnectorTableMetadata tableMetadata, Optional<ConnectorTableLayout> layout, RetryMode retryMode, boolean replace)
MemoryInsertTableHandle	beginInsert(ConnectorSession session, ConnectorTableHandle tableHandle, List<ColumnHandle> columns, RetryMode retryMode)
void	createLanguageFunction(ConnectorSession session, SchemaFunctionName name, LanguageFunction function, boolean replace)
void	createSchema(ConnectorSession session, String schemaName, Map<String,Object> properties, TrinoPrincipal owner)
void	createTable(ConnectorSession session, ConnectorTableMetadata tableMetadata, SaveMode saveMode)
void	createView(ConnectorSession session, SchemaTableName viewName, ConnectorViewDefinition definition, Map<String,Object> viewProperties, boolean replace)
void	dropLanguageFunction(ConnectorSession session, SchemaFunctionName name, String signatureToken)
void	dropNotNullConstraint(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle)
void	dropSchema(ConnectorSession session, String schemaName, boolean cascade)
void	dropTable(ConnectorSession session, ConnectorTableHandle tableHandle)
void	dropView(ConnectorSession session, SchemaTableName viewName)
Optional<ConnectorOutputMetadata>	finishCreateTable(ConnectorSession session, ConnectorOutputTableHandle tableHandle, Collection<io.airlift.slice.Slice> fragments, Collection<ComputedStatistics> computedStatistics)
Optional<ConnectorOutputMetadata>	finishInsert(ConnectorSession session, ConnectorInsertTableHandle insertHandle, List<ConnectorTableHandle> sourceTableHandles, 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)
List<MemoryDataFragment>	getDataFragments(long tableId)
Collection<LanguageFunction>	getLanguageFunctions(ConnectorSession session, SchemaFunctionName name)
ConnectorTableHandle	getTableHandle(ConnectorSession session, SchemaTableName schemaTableName, Optional<ConnectorTableVersion> startVersion, Optional<ConnectorTableVersion> endVersion)
ConnectorTableMetadata	getTableMetadata(ConnectorSession session, ConnectorTableHandle tableHandle)
TableStatistics	getTableStatistics(ConnectorSession session, ConnectorTableHandle tableHandle)
Optional<ConnectorViewDefinition>	getView(ConnectorSession session, SchemaTableName viewName)
Map<SchemaTableName,ConnectorViewDefinition>	getViews(ConnectorSession session, Optional<String> schemaName)
boolean	languageFunctionExists(ConnectorSession session, SchemaFunctionName name, String signatureToken)
Collection<LanguageFunction>	listLanguageFunctions(ConnectorSession session, String schemaName)
List<String>	listSchemaNames(ConnectorSession session)
Map<SchemaTableName,List<ColumnMetadata>>	listTableColumns(ConnectorSession session, SchemaTablePrefix prefix)
List<SchemaTableName>	listTables(ConnectorSession session, Optional<String> schemaName)
List<SchemaTableName>	listViews(ConnectorSession session, Optional<String> schemaName)
void	renameColumn(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle, String target)
void	renameSchema(ConnectorSession session, String source, String target)
void	renameTable(ConnectorSession session, ConnectorTableHandle tableHandle, SchemaTableName newTableName)
void	renameView(ConnectorSession session, SchemaTableName viewName, SchemaTableName newViewName)
void	setColumnComment(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle, Optional<String> comment)
void	setTableComment(ConnectorSession session, ConnectorTableHandle tableHandle, Optional<String> comment)
void	setViewColumnComment(ConnectorSession session, SchemaTableName viewName, String columnName, Optional<String> comment)
void	setViewComment(ConnectorSession session, SchemaTableName viewName, Optional<String> comment)
Iterator<RelationColumnsMetadata>	streamRelationColumns(ConnectorSession session, Optional<String> schemaName, UnaryOperator<Set<SchemaTableName>> relationFilter)
Iterator<RelationCommentMetadata>	streamRelationComments(ConnectorSession session, Optional<String> schemaName, UnaryOperator<Set<SchemaTableName>> relationFilter)
Iterator<TableColumnsMetadata>	streamTableColumns(ConnectorSession session, SchemaTablePrefix prefix)
void	truncateTable(ConnectorSession session, ConnectorTableHandle tableHandle)

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

addField, applyAggregation, applyDelete, applyFilter, applyJoin, applyJoin, applyProjection, applyTableFunction, applyTableScanRedirect, applyTopN, applyUpdate, beginMerge, beginQuery, beginRefreshMaterializedView, beginStatisticsCollection, beginTableExecute, cleanupQuery, createMaterializedView, createRole, delegateMaterializedViewRefreshToConnector, denySchemaPrivileges, denyTablePrivileges, dropColumn, dropField, dropMaterializedView, dropRole, executeDelete, executeTableExecute, executeUpdate, finishMerge, finishRefreshMaterializedView, finishStatisticsCollection, finishTableExecute, getAggregationFunctionMetadata, getCommonPartitioningHandle, getFunctionDependencies, getFunctionMetadata, getFunctions, getInfo, getInsertLayout, getInsertWriterScalingOptions, getLayoutForTableExecute, getMaterializedView, getMaterializedViewFreshness, getMaterializedViewProperties, getMaterializedViews, getMaxWriterTasks, getMergeRowIdColumnHandle, getNewTableLayout, getNewTableWriterScalingOptions, getRelationTypes, getRowChangeParadigm, getSchemaOwner, getSchemaProperties, getStatisticsCollectionMetadata, getStatisticsCollectionMetadataForWrite, getSupportedType, getSystemTable, getTableHandleForExecute, getTableHandleForExecute, getTableName, getTableProperties, getTableSchema, getUpdateLayout, getViewProperties, grantRoles, grantSchemaPrivileges, grantTablePrivileges, isView, listApplicableRoles, listEnabledRoles, listFunctions, listMaterializedViews, listRoleGrants, listRoles, listTablePrivileges, makeCompatiblePartitioning, redirectTable, refreshMaterializedView, renameField, renameMaterializedView, resolveIndex, revokeRoles, revokeSchemaPrivileges, revokeTablePrivileges, roleExists, schemaExists, setColumnType, setFieldType, setMaterializedViewColumnComment, setMaterializedViewProperties, setSchemaAuthorization, setTableAuthorization, setTableProperties, setViewAuthorization, supportsMissingColumnsOnInsert, validateScan

Field Details

SCHEMA_NAME

public static final String SCHEMA_NAME

See Also:

• Constant Field Values

Constructor Details

MemoryMetadata

@Inject
public MemoryMetadata(NodeManager nodeManager)

Method Details

listSchemaNames

public List<String> listSchemaNames(ConnectorSession session)

Specified by:

listSchemaNames in interface ConnectorMetadata

createSchema

public void createSchema(ConnectorSession session,
 String schemaName,
 Map<String,Object> properties,
 TrinoPrincipal owner)

Specified by:

createSchema in interface ConnectorMetadata

dropSchema

public void dropSchema(ConnectorSession session,
 String schemaName,
 boolean cascade)

Specified by:

dropSchema in interface ConnectorMetadata

renameSchema

public void renameSchema(ConnectorSession session,
 String source,
 String target)

Specified by:

renameSchema in interface ConnectorMetadata

getTableHandle

public ConnectorTableHandle getTableHandle(ConnectorSession session,
 SchemaTableName schemaTableName,
 Optional<ConnectorTableVersion> startVersion,
 Optional<ConnectorTableVersion> endVersion)

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

getColumnMetadata

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

Specified by:

getColumnMetadata in interface ConnectorMetadata

listTableColumns

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

Specified by:

listTableColumns in interface ConnectorMetadata

streamTableColumns

public Iterator<TableColumnsMetadata> streamTableColumns(ConnectorSession session,
 SchemaTablePrefix prefix)

Specified by:

streamTableColumns in interface ConnectorMetadata

streamRelationColumns

public Iterator<RelationColumnsMetadata> streamRelationColumns(ConnectorSession session,
 Optional<String> schemaName,
 UnaryOperator<Set<SchemaTableName>> relationFilter)

Specified by:

streamRelationColumns in interface ConnectorMetadata

streamRelationComments

public Iterator<RelationCommentMetadata> streamRelationComments(ConnectorSession session,
 Optional<String> schemaName,
 UnaryOperator<Set<SchemaTableName>> relationFilter)

Specified by:

streamRelationComments in interface ConnectorMetadata

dropTable

public void dropTable(ConnectorSession session,
 ConnectorTableHandle tableHandle)

Specified by:

dropTable in interface ConnectorMetadata

renameTable

public void renameTable(ConnectorSession session,
 ConnectorTableHandle tableHandle,
 SchemaTableName newTableName)

Specified by:

renameTable in interface ConnectorMetadata

createTable

public void createTable(ConnectorSession session,
 ConnectorTableMetadata tableMetadata,
 SaveMode saveMode)

Specified by:

createTable in interface ConnectorMetadata

beginCreateTable

public MemoryOutputTableHandle beginCreateTable(ConnectorSession session,
 ConnectorTableMetadata tableMetadata,
 Optional<ConnectorTableLayout> layout,
 RetryMode retryMode,
 boolean replace)

Specified by:

beginCreateTable in interface ConnectorMetadata

finishCreateTable

public Optional<ConnectorOutputMetadata> finishCreateTable(ConnectorSession session,
 ConnectorOutputTableHandle tableHandle,
 Collection<io.airlift.slice.Slice> fragments,
 Collection<ComputedStatistics> computedStatistics)

Specified by:

finishCreateTable in interface ConnectorMetadata

beginInsert

public MemoryInsertTableHandle 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,
 List<ConnectorTableHandle> sourceTableHandles,
 Collection<io.airlift.slice.Slice> fragments,
 Collection<ComputedStatistics> computedStatistics)

Specified by:

finishInsert in interface ConnectorMetadata

truncateTable

public void truncateTable(ConnectorSession session,
 ConnectorTableHandle tableHandle)

Specified by:

truncateTable in interface ConnectorMetadata

addColumn

public void addColumn(ConnectorSession session,
 ConnectorTableHandle tableHandle,
 ColumnMetadata column)

Specified by:

addColumn in interface ConnectorMetadata

renameColumn

public void renameColumn(ConnectorSession session,
 ConnectorTableHandle tableHandle,
 ColumnHandle columnHandle,
 String target)

Specified by:

renameColumn in interface ConnectorMetadata

dropNotNullConstraint

public void dropNotNullConstraint(ConnectorSession session,
 ConnectorTableHandle tableHandle,
 ColumnHandle columnHandle)

Specified by:

dropNotNullConstraint in interface ConnectorMetadata

createView

public void createView(ConnectorSession session,
 SchemaTableName viewName,
 ConnectorViewDefinition definition,
 Map<String,Object> viewProperties,
 boolean replace)

Specified by:

createView in interface ConnectorMetadata

setViewComment

public void setViewComment(ConnectorSession session,
 SchemaTableName viewName,
 Optional<String> comment)

Specified by:

setViewComment in interface ConnectorMetadata

setViewColumnComment

public void setViewColumnComment(ConnectorSession session,
 SchemaTableName viewName,
 String columnName,
 Optional<String> comment)

Specified by:

setViewColumnComment in interface ConnectorMetadata

renameView

public void renameView(ConnectorSession session,
 SchemaTableName viewName,
 SchemaTableName newViewName)

Specified by:

renameView in interface ConnectorMetadata

dropView

public void dropView(ConnectorSession session,
 SchemaTableName viewName)

Specified by:

dropView in interface ConnectorMetadata

listViews

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

Specified by:

listViews in interface ConnectorMetadata

getViews

public Map<SchemaTableName,ConnectorViewDefinition> getViews(ConnectorSession session,
 Optional<String> schemaName)

Specified by:

getViews in interface ConnectorMetadata

getView

public Optional<ConnectorViewDefinition> getView(ConnectorSession session,
 SchemaTableName viewName)

Specified by:

getView in interface ConnectorMetadata

getDataFragments

public List<MemoryDataFragment> getDataFragments(long tableId)

getTableStatistics

public TableStatistics getTableStatistics(ConnectorSession session,
 ConnectorTableHandle tableHandle)

Specified by:

getTableStatistics in interface ConnectorMetadata

applyLimit

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

Specified by:

applyLimit in interface ConnectorMetadata

applySample

public Optional<SampleApplicationResult<ConnectorTableHandle>> applySample(ConnectorSession session,
 ConnectorTableHandle handle,
 SampleType sampleType,
 double sampleRatio)

Specified by:

applySample in interface ConnectorMetadata

allowSplittingReadIntoMultipleSubQueries

public boolean allowSplittingReadIntoMultipleSubQueries(ConnectorSession session,
 ConnectorTableHandle tableHandle)

Specified by:

allowSplittingReadIntoMultipleSubQueries in interface ConnectorMetadata

setTableComment

public void setTableComment(ConnectorSession session,
 ConnectorTableHandle tableHandle,
 Optional<String> comment)

Specified by:

setTableComment in interface ConnectorMetadata

setColumnComment

public void setColumnComment(ConnectorSession session,
 ConnectorTableHandle tableHandle,
 ColumnHandle columnHandle,
 Optional<String> comment)

Specified by:

setColumnComment in interface ConnectorMetadata

listLanguageFunctions

public Collection<LanguageFunction> listLanguageFunctions(ConnectorSession session,
 String schemaName)

Specified by:

listLanguageFunctions in interface ConnectorMetadata

getLanguageFunctions

public Collection<LanguageFunction> getLanguageFunctions(ConnectorSession session,
 SchemaFunctionName name)

Specified by:

getLanguageFunctions in interface ConnectorMetadata

languageFunctionExists

public boolean languageFunctionExists(ConnectorSession session,
 SchemaFunctionName name,
 String signatureToken)

Specified by:

languageFunctionExists in interface ConnectorMetadata

createLanguageFunction

public void createLanguageFunction(ConnectorSession session,
 SchemaFunctionName name,
 LanguageFunction function,
 boolean replace)

Specified by:

createLanguageFunction in interface ConnectorMetadata

dropLanguageFunction

public void dropLanguageFunction(ConnectorSession session,
 SchemaFunctionName name,
 String signatureToken)

Specified by:

dropLanguageFunction in interface ConnectorMetadata