org.apache.flink.table.planner.plan.abilities.source

Class ProjectPushDownSpec

java.lang.Object

org.apache.flink.table.planner.plan.abilities.source.SourceAbilitySpecBase

org.apache.flink.table.planner.plan.abilities.source.ProjectPushDownSpec

All Implemented Interfaces:

SourceAbilitySpec

public class ProjectPushDownSpec
extends SourceAbilitySpecBase

A sub-class of SourceAbilitySpec that can not only serialize/deserialize the projection to/from JSON, but also can push the projection into a SupportsProjectionPushDown.

Field Summary

Fields

Modifier and Type	Field and Description
static String	FIELD_NAME_PROJECTED_FIELDS

Fields inherited from class org.apache.flink.table.planner.plan.abilities.source.SourceAbilitySpecBase

FIELD_NAME_PRODUCED_TYPE

Constructor Summary

Constructors

Constructor and Description
ProjectPushDownSpec(int[][] projectedFields, RowType producedType)

Method Summary

Modifier and Type	Method and Description
void	apply(DynamicTableSource tableSource, SourceAbilityContext context) Apply the ability to the given DynamicTableSource.

Methods inherited from class org.apache.flink.table.planner.plan.abilities.source.SourceAbilitySpecBase

getProducedType

Methods inherited from class java.lang.Object

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

Field Detail

FIELD_NAME_PROJECTED_FIELDS

public static final String FIELD_NAME_PROJECTED_FIELDS

See Also:

Constant Field Values

Constructor Detail

ProjectPushDownSpec

public ProjectPushDownSpec(int[][] projectedFields,
                           RowType producedType)

Method Detail

apply

public void apply(DynamicTableSource tableSource,
                  SourceAbilityContext context)

Description copied from interface: SourceAbilitySpec

Apply the ability to the given DynamicTableSource.