julianhyde commented on code in PR #2916:
URL: https://github.com/apache/calcite/pull/2916#discussion_r978348511
##########
core/src/main/java/org/apache/calcite/rel/rules/PruneEmptyRules.java:
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@@ -479,13 +481,24 @@ public interface JoinLeftEmptyRuleConfig extends
PruneEmptyRule.Config {
@Override default PruneEmptyRule toRule() {
return new PruneEmptyRule(this) {
@Override public void onMatch(RelOptRuleCall call) {
- Join join = call.rel(0);
+ final Join join = call.rel(0);
+ final Values empty = call.rel(1);
+ final RelNode right = call.rel(2);
+ final RelBuilder b = call.builder();
Review Comment:
That's reasonable. I'll apply the change to my branch, and will merge
tomorrow when my batch of changes passes.
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