Package io.trino.sql.planner.iterative.rule

Class PushProjectionThroughJoin

java.lang.Object

io.trino.sql.planner.iterative.rule.PushProjectionThroughJoin

public final class PushProjectionThroughJoin
extends Object

Utility class for pushing projections through inner join so that joins are not separated by a project node and can participate in cross join elimination or join reordering.

Method Summary

Modifier and Type	Method	Description
static Optional<PlanNode>	pushProjectionThroughJoin(PlannerContext plannerContext, ProjectNode projectNode, Lookup lookup, PlanNodeIdAllocator planNodeIdAllocator, Session session, IrTypeAnalyzer typeAnalyzer, TypeProvider types)

Methods inherited from class java.lang.Object

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

Method Details

pushProjectionThroughJoin

public static Optional<PlanNode> pushProjectionThroughJoin(PlannerContext plannerContext,
 ProjectNode projectNode,
 Lookup lookup,
 PlanNodeIdAllocator planNodeIdAllocator,
 Session session,
 IrTypeAnalyzer typeAnalyzer,
 TypeProvider types)