[CALCITE-3910] Enhance ProjectJoinTransposeRule to support SemiJoin and AntiJoin

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.22.0
• Fix Version/s: 1.24.0
• Component/s: core
• Labels: pull-request-available
• Assignee: Liya Fan
• Reporter: Chunwei Lei
• Created: 10/Apr/20 13:15
• Updated: 25/Jul/20 15:00
• Resolved: 24/May/20 20:26

Description

Currently, ProjectJoinTransposeRule does not support push project pass SemiJoin and AntiJoin.

public void onMatch(RelOptRuleCall call) {
  Project origProj = call.rel(0);
  final Join join = call.rel(1);

  if (!join.getJoinType().projectsRight()) {
    return; // TODO: support SemiJoin / AntiJoin
  }
  ...
  ...
}

 

Issue Links

• links to: GitHub Pull Request #1917