Package org.apache.calcite.adapter.enumerable

Class EnumerableAggregateBase.AggContextImpl

java.lang.Object

org.apache.calcite.adapter.enumerable.EnumerableAggregateBase.AggContextImpl

All Implemented Interfaces:

AggContext

Enclosing class:

EnumerableAggregateBase

protected class EnumerableAggregateBase.AggContextImpl
extends Object
implements AggContext

An implementation of AggContext.

Method Summary

Modifier and Type	Method	Description
SqlAggFunction	aggregation()	Returns the aggregation being implemented.
List<ImmutableBitSet>	groupSets()	Returns the grouping sets we are aggregating on.
List<Integer>	keyOrdinals()	Returns the ordinals of the input fields that make up the key.
List<? extends RelDataType>	keyRelTypes()	Returns the types of the group key as RelDataType.
List<? extends Type>	keyTypes()	Returns the types of the group key as Type.
List<? extends RelDataType>	parameterRelTypes()	Returns the parameter types of the aggregate as RelDataType.
List<? extends Type>	parameterTypes()	Returns the parameter types of the aggregate as Type.
RelDataType	returnRelType()	Returns the return type of the aggregate as RelDataType.
Type	returnType()	Returns the return type of the aggregate as Type.

Methods inherited from class java.lang.Object

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

Method Details

aggregation

public SqlAggFunction aggregation()

Description copied from interface: AggContext

Returns the aggregation being implemented.

Specified by:

aggregation in interface AggContext

Returns:

aggregation being implemented.

returnRelType

public RelDataType returnRelType()

Description copied from interface: AggContext

Returns the return type of the aggregate as RelDataType. This can be helpful to test RelDataType.isNullable().

Specified by:

returnRelType in interface AggContext

Returns:

return type of the aggregate

returnType

public Type returnType()

Description copied from interface: AggContext

Returns the return type of the aggregate as Type.

Specified by:

returnType in interface AggContext

Returns:

return type of the aggregate as Type

parameterRelTypes

public List<? extends RelDataType> parameterRelTypes()

Description copied from interface: AggContext

Returns the parameter types of the aggregate as RelDataType. This can be helpful to test RelDataType.isNullable().

Specified by:

parameterRelTypes in interface AggContext

Returns:

Parameter types of the aggregate

parameterTypes

public List<? extends Type> parameterTypes()

Description copied from interface: AggContext

Returns the parameter types of the aggregate as Type.

Specified by:

parameterTypes in interface AggContext

Returns:

Parameter types of the aggregate

groupSets

public List<ImmutableBitSet> groupSets()

Description copied from interface: AggContext

Returns the grouping sets we are aggregating on.

Specified by:

groupSets in interface AggContext

keyOrdinals

public List<Integer> keyOrdinals()

Description copied from interface: AggContext

Returns the ordinals of the input fields that make up the key.

Specified by:

keyOrdinals in interface AggContext

keyRelTypes

public List<? extends RelDataType> keyRelTypes()

Description copied from interface: AggContext

Returns the types of the group key as RelDataType.

Specified by:

keyRelTypes in interface AggContext

keyTypes

public List<? extends Type> keyTypes()

Description copied from interface: AggContext

Returns the types of the group key as Type.

Specified by:

keyTypes in interface AggContext