danny0405 commented on a change in pull request #1157: [CALCITE-2969] Improve design of join-like relational expressions URL: https://github.com/apache/calcite/pull/1157#discussion_r288057780
########## File path: core/src/main/java/org/apache/calcite/plan/RelOptUtil.java ########## @@ -3734,6 +3739,12 @@ private Exists(RelNode r, boolean indicator, boolean outerJoin) { this.outerJoin = outerJoin; } } + + /** Check if it is the join whose condition is based on column equality, + * this mostly depends on the physical implementation of the join. */ + public static boolean forceEquiJoin(Join join) { + return join.isSemiJoin() || join instanceof EquiJoin; Review comment: Thanks a lot @rubenada and @hsyuan , I saw that @hsyuan had fired an issue to support non-equi semi join(also hash join and merge join), lets's solve the ticket in 1.21. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services