danny0405 commented on a change in pull request #1639: [CALCITE-3576] Remove
enumerable convention check in FilterIntoJoinRule
URL: https://github.com/apache/calcite/pull/1639#discussion_r355100029
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File path: core/src/main/java/org/apache/calcite/rel/rules/FilterJoinRule.java
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@@ -53,28 +52,21 @@
* will be pushed into the ON clause. */
public static final Predicate TRUE_PREDICATE = (join, joinType, exp) -> true;
- /** Predicate that returns true if the join is not Enumerable convention,
- * will be replaced by {@link #TRUE_PREDICATE} once enumerable join supports
- * non-equi join. */
- // to be removed before 1.22.0
- private static final Predicate NOT_ENUMERABLE = (join, joinType, exp) ->
- join.getConvention() != EnumerableConvention.INSTANCE;
-
/** Rule that pushes predicates from a Filter into the Join below them. */
public static final FilterJoinRule FILTER_ON_JOIN =
Review comment:
We can remove the predicate member if it always returns true.
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