Github user wangyum commented on a diff in the pull request:
https://github.com/apache/spark/pull/22778#discussion_r227208719
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/RewriteSubquerySuite.scala
---
@@ -33,23 +34,44 @@ class RewriteSubquerySuite extends PlanTest {
Batch("Rewrite Subquery", FixedPoint(1),
RewritePredicateSubquery,
ColumnPruning,
+ InferFiltersFromConstraints,
+ PushDownPredicate,
CollapseProject,
RemoveRedundantProject) :: Nil
}
test("Column pruning after rewriting predicate subquery") {
- val relation = LocalRelation('a.int, 'b.int)
- val relInSubquery = LocalRelation('x.int, 'y.int, 'z.int)
+ withSQLConf(SQLConf.CONSTRAINT_PROPAGATION_ENABLED.key -> "false") {
--- End diff --
Yes, `spark.sql.constraintPropagation.enabled=false` to test
`ColumnPruning`.
`spark.sql.constraintPropagation.enabled=true` to test `ColumnPruning`,
`InferFiltersFromConstraints` and `PushDownPredicate`.
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