Uses of Interface
io.trino.spi.connector.ColumnHandle

Packages that use ColumnHandle

Package	Description
io.trino.spi.connector
io.trino.spi.statistics

Uses of ColumnHandle in io.trino.spi.connector

Methods in io.trino.spi.connector that return ColumnHandle

Modifier and Type	Method	Description
ColumnHandle	Assignment.getColumn()
default ColumnHandle	ConnectorMetadata.getMergeRowIdColumnHandle(ConnectorSession session, ConnectorTableHandle tableHandle)	Get the column handle that will generate row IDs for the merge operation.

Methods in io.trino.spi.connector that return types with arguments of type ColumnHandle

Modifier and Type	Method	Description
Map<String,ColumnHandle>	Constraint.getAssignments()
default Map<String,ColumnHandle>	ConnectorMetadata.getColumnHandles(ConnectorSession session, ConnectorTableHandle tableHandle)	Gets all of the columns on the specified table, or an empty map if the columns cannot be enumerated.
List<ColumnHandle>	TableFunctionApplicationResult.getColumnHandles()
List<ColumnHandle>	DiscretePredicates.getColumns()
Set<ColumnHandle>	DynamicFilter.getColumnsCovered()	Set of keys of a TupleDomain to be returned from DynamicFilter.getCurrentPredicate() or a superset thereof.
TupleDomain<ColumnHandle>	DynamicFilter.getCurrentPredicate()
Map<ColumnHandle,String>	TableScanRedirectApplicationResult.getDestinationColumns()
Map<ColumnHandle,ColumnHandle>	AggregationApplicationResult.getGroupingColumnMapping()
Map<ColumnHandle,ColumnHandle>	AggregationApplicationResult.getGroupingColumnMapping()
Map<ColumnHandle,ColumnHandle>	JoinApplicationResult.getLeftColumnHandles()
Map<ColumnHandle,ColumnHandle>	JoinApplicationResult.getLeftColumnHandles()
List<LocalProperty<ColumnHandle>>	ConnectorTableProperties.getLocalProperties()	Properties describing the layout of the data (grouping/sorting) within each partition
List<ColumnHandle>	ConnectorTablePartitioning.getPartitioningColumns()	The columns used to partition the table across the worker nodes.
TupleDomain<ColumnHandle>	ConnectorTableProperties.getPredicate()	A TupleDomain that represents a predicate that every row in this table satisfies.
Optional<Set<ColumnHandle>>	Constraint.getPredicateColumns()	Set of columns the Constraint.predicate() result depends on.
Iterable<TupleDomain<ColumnHandle>>	DiscretePredicates.getPredicates()
TupleDomain<ColumnHandle>	ConstraintApplicationResult.getRemainingFilter()
Map<ColumnHandle,ColumnHandle>	JoinApplicationResult.getRightColumnHandles()
Map<ColumnHandle,ColumnHandle>	JoinApplicationResult.getRightColumnHandles()
TupleDomain<ColumnHandle>	Constraint.getSummary()
TupleDomain<ColumnHandle>	ConnectorResolvedIndex.getUnresolvedTupleDomain()
Optional<Predicate<Map<ColumnHandle,NullableValue>>>	Constraint.predicate()	A predicate that can be used to filter data.

Methods in io.trino.spi.connector with parameters of type ColumnHandle

Modifier and Type	Method	Description
default void	ConnectorMetadata.dropColumn(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle column)	Drop the specified column
default void	ConnectorMetadata.dropField(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle column, List<String> fieldPath)	Drop the specified field, potentially nested, from a row.
default void	ConnectorMetadata.dropNotNullConstraint(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle column)	Drop a not null constraint on the specified column
default ColumnMetadata	ConnectorMetadata.getColumnMetadata(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle columnHandle)	Gets the metadata for the specified table column.
default void	ConnectorMetadata.renameColumn(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle source, String target)	Rename the specified column
default void	ConnectorMetadata.setColumnComment(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle column, Optional<String> comment)	Comments to the specified column
default void	ConnectorMetadata.setColumnType(ConnectorSession session, ConnectorTableHandle tableHandle, ColumnHandle column, Type type)	Set the specified column type

Method parameters in io.trino.spi.connector with type arguments of type ColumnHandle

Modifier and Type	Method	Description
default Optional<AggregationApplicationResult<ConnectorTableHandle>>	ConnectorMetadata.applyAggregation(ConnectorSession session, ConnectorTableHandle handle, List<AggregateFunction> aggregates, Map<String,ColumnHandle> assignments, List<List<ColumnHandle>> groupingSets)	Attempt to push down the aggregates into the table.
default Optional<JoinApplicationResult<ConnectorTableHandle>>	ConnectorMetadata.applyJoin(ConnectorSession session, JoinType joinType, ConnectorTableHandle left, ConnectorTableHandle right, ConnectorExpression joinCondition, Map<String,ColumnHandle> leftAssignments, Map<String,ColumnHandle> rightAssignments, JoinStatistics statistics)	Attempt to push down the join operation.
default Optional<JoinApplicationResult<ConnectorTableHandle>>	ConnectorMetadata.applyJoin(ConnectorSession session, JoinType joinType, ConnectorTableHandle left, ConnectorTableHandle right, List<JoinCondition> joinConditions, Map<String,ColumnHandle> leftAssignments, Map<String,ColumnHandle> rightAssignments, JoinStatistics statistics)	Deprecated.
default Optional<ProjectionApplicationResult<ConnectorTableHandle>>	ConnectorMetadata.applyProjection(ConnectorSession session, ConnectorTableHandle handle, List<ConnectorExpression> projections, Map<String,ColumnHandle> assignments)	Attempt to push down the provided projections into the table.
default Optional<TopNApplicationResult<ConnectorTableHandle>>	ConnectorMetadata.applyTopN(ConnectorSession session, ConnectorTableHandle handle, long topNCount, List<SortItem> sortItems, Map<String,ColumnHandle> assignments)	Attempt to push down the TopN into the table scan.
default Optional<ConnectorTableHandle>	ConnectorMetadata.applyUpdate(ConnectorSession session, ConnectorTableHandle handle, Map<ColumnHandle,Constant> assignments)	Attempt to push down an update operation into the connector.
default ConnectorInsertTableHandle	ConnectorMetadata.beginInsert(ConnectorSession session, ConnectorTableHandle tableHandle, List<ColumnHandle> columns, RetryMode retryMode)	Begin insert query.
default ConnectorMergeTableHandle	ConnectorMetadata.beginMerge(ConnectorSession session, ConnectorTableHandle tableHandle, Map<Integer,Collection<ColumnHandle>> updateCaseColumns, RetryMode retryMode)	Do whatever is necessary to start an MERGE query, returning the ConnectorMergeTableHandle instance that will be passed to the PageSink, and to the ConnectorMetadata.finishMerge(io.trino.spi.connector.ConnectorSession, io.trino.spi.connector.ConnectorMergeTableHandle, java.util.List<io.trino.spi.connector.ConnectorTableHandle>, java.util.Collection<io.airlift.slice.Slice>, java.util.Collection<io.trino.spi.statistics.ComputedStatistics>) method.
ConnectorPageSource	ConnectorPageSourceProvider.createPageSource(ConnectorTransactionHandle transaction, ConnectorSession session, ConnectorSplit split, ConnectorTableHandle table, List<ColumnHandle> columns, DynamicFilter dynamicFilter)
ConnectorIndex	ConnectorIndexProvider.getIndex(ConnectorTransactionHandle transactionHandle, ConnectorSession session, ConnectorIndexHandle indexHandle, List<ColumnHandle> lookupSchema, List<ColumnHandle> outputSchema)
default RecordSet	ConnectorRecordSetProvider.getRecordSet(ConnectorTransactionHandle transaction, ConnectorSession session, ConnectorSplit split, ConnectorTableHandle table, List<? extends ColumnHandle> columns)
default Optional<ConnectorResolvedIndex>	ConnectorMetadata.resolveIndex(ConnectorSession session, ConnectorTableHandle tableHandle, Set<ColumnHandle> indexableColumns, Set<ColumnHandle> outputColumns, TupleDomain<ColumnHandle> tupleDomain)	Try to locate a table index that can lookup results by indexableColumns and provide the requested outputColumns.
default Optional<ConnectorResolvedIndex>	ConnectorMetadata.resolveIndex(ConnectorSession session, ConnectorTableHandle tableHandle, Set<ColumnHandle> indexableColumns, Set<ColumnHandle> outputColumns, TupleDomain<ColumnHandle> tupleDomain)	Try to locate a table index that can lookup results by indexableColumns and provide the requested outputColumns.
default Optional<ConnectorSplitSource>	SystemTable.splitSource(ConnectorSession connectorSession, TupleDomain<ColumnHandle> constraint)

Constructors in io.trino.spi.connector with parameters of type ColumnHandle

Modifier	Constructor	Description
	Assignment(String variable, ColumnHandle column, Type type)

Constructor parameters in io.trino.spi.connector with type arguments of type ColumnHandle

Modifier	Constructor	Description
	AggregationApplicationResult(T handle, List<ConnectorExpression> projections, List<Assignment> assignments, Map<ColumnHandle,ColumnHandle> groupingColumnMapping, boolean precalculateStatistics)
	AggregationApplicationResult(T handle, List<ConnectorExpression> projections, List<Assignment> assignments, Map<ColumnHandle,ColumnHandle> groupingColumnMapping, boolean precalculateStatistics)
	ConnectorResolvedIndex(ConnectorIndexHandle indexHandle, TupleDomain<ColumnHandle> unresolvedTupleDomain)
	ConnectorTablePartitioning(ConnectorPartitioningHandle partitioningHandle, List<ColumnHandle> partitioningColumns)
	ConnectorTablePartitioning(ConnectorPartitioningHandle partitioningHandle, List<ColumnHandle> partitioningColumns, boolean singleSplitPerPartition)
	ConnectorTableProperties(TupleDomain<ColumnHandle> predicate, Optional<ConnectorTablePartitioning> tablePartitioning, Optional<DiscretePredicates> discretePredicates, List<LocalProperty<ColumnHandle>> localProperties)
	ConnectorTableProperties(TupleDomain<ColumnHandle> predicate, Optional<ConnectorTablePartitioning> tablePartitioning, Optional<DiscretePredicates> discretePredicates, List<LocalProperty<ColumnHandle>> localProperties)
	Constraint(TupleDomain<ColumnHandle> summary)
	Constraint(TupleDomain<ColumnHandle> summary, ConnectorExpression expression, Map<String,ColumnHandle> assignments)
	Constraint(TupleDomain<ColumnHandle> summary, ConnectorExpression expression, Map<String,ColumnHandle> assignments)
	Constraint(TupleDomain<ColumnHandle> summary, ConnectorExpression expression, Map<String,ColumnHandle> assignments, Predicate<Map<ColumnHandle,NullableValue>> predicate, Set<ColumnHandle> predicateColumns)
	Constraint(TupleDomain<ColumnHandle> summary, ConnectorExpression expression, Map<String,ColumnHandle> assignments, Predicate<Map<ColumnHandle,NullableValue>> predicate, Set<ColumnHandle> predicateColumns)
	Constraint(TupleDomain<ColumnHandle> summary, ConnectorExpression expression, Map<String,ColumnHandle> assignments, Predicate<Map<ColumnHandle,NullableValue>> predicate, Set<ColumnHandle> predicateColumns)
	Constraint(TupleDomain<ColumnHandle> summary, ConnectorExpression expression, Map<String,ColumnHandle> assignments, Predicate<Map<ColumnHandle,NullableValue>> predicate, Set<ColumnHandle> predicateColumns)
	Constraint(TupleDomain<ColumnHandle> summary, Predicate<Map<ColumnHandle,NullableValue>> predicate, Set<ColumnHandle> predicateColumns)
	Constraint(TupleDomain<ColumnHandle> summary, Predicate<Map<ColumnHandle,NullableValue>> predicate, Set<ColumnHandle> predicateColumns)
	Constraint(TupleDomain<ColumnHandle> summary, Predicate<Map<ColumnHandle,NullableValue>> predicate, Set<ColumnHandle> predicateColumns)
	ConstraintApplicationResult(T handle, TupleDomain<ColumnHandle> remainingFilter, ConnectorExpression remainingExpression, boolean precalculateStatistics)
	DiscretePredicates(List<ColumnHandle> columns, Iterable<TupleDomain<ColumnHandle>> predicates)
	DiscretePredicates(List<ColumnHandle> columns, Iterable<TupleDomain<ColumnHandle>> predicates)
	JoinApplicationResult(T tableHandle, Map<ColumnHandle,ColumnHandle> leftColumnHandles, Map<ColumnHandle,ColumnHandle> rightColumnHandles, boolean precalculateStatistics)
	JoinApplicationResult(T tableHandle, Map<ColumnHandle,ColumnHandle> leftColumnHandles, Map<ColumnHandle,ColumnHandle> rightColumnHandles, boolean precalculateStatistics)
	TableFunctionApplicationResult(T tableHandle, List<ColumnHandle> columnHandles)
	TableScanRedirectApplicationResult(CatalogSchemaTableName destinationTable, Map<ColumnHandle,String> destinationColumns, TupleDomain<String> filter)

Uses of ColumnHandle in io.trino.spi.statistics

Methods in io.trino.spi.statistics that return types with arguments of type ColumnHandle

Modifier and Type	Method	Description
Map<ColumnHandle,ColumnStatistics>	TableStatistics.getColumnStatistics()

Methods in io.trino.spi.statistics with parameters of type ColumnHandle

Modifier and Type	Method	Description
TableStatistics.Builder	TableStatistics.Builder.setColumnStatistics(ColumnHandle columnHandle, ColumnStatistics columnStatistics)

Constructor parameters in io.trino.spi.statistics with type arguments of type ColumnHandle

Modifier	Constructor	Description
	TableStatistics(Estimate rowCount, Map<ColumnHandle,ColumnStatistics> columnStatistics)