cloud-fan commented on a change in pull request #28733:
URL: https://github.com/apache/spark/pull/28733#discussion_r437984362
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/FilterPushdownSuite.scala
##########
@@ -1230,4 +1246,157 @@ class FilterPushdownSuite extends PlanTest {
comparePlans(Optimize.execute(query.analyze), expected)
}
+
+ test("inner join: rewrite filter predicates to conjunctive normal form") {
+ val x = testRelation.subquery('x)
+ val y = testRelation.subquery('y)
+
+ val originalQuery = {
+ x.join(y)
+ .where(("x.b".attr === "y.b".attr) && (simpleDisjuncitvePredicate))
+ }
+
+ val optimized = Optimize.execute(originalQuery.analyze)
+ comparePlans(optimized, expectedCNFPredicatePushDownResult)
+ }
+
+ test("inner join: rewrite join predicates to conjunctive normal form") {
+ val x = testRelation.subquery('x)
+ val y = testRelation.subquery('y)
+
+ val originalQuery = {
+ x.join(y, condition = Some(("x.b".attr === "y.b".attr) &&
(simpleDisjuncitvePredicate)))
+ }
+
+ val optimized = Optimize.execute(originalQuery.analyze)
+ comparePlans(optimized, expectedCNFPredicatePushDownResult)
+ }
+
+ test("inner join: rewrite complex join predicates to conjunctive normal
form") {
+ val x = testRelation.subquery('x)
+ val y = testRelation.subquery('y)
+
+ val joinCondition = (("x.b".attr === "y.b".attr)
+ && ((("x.a".attr === 5) && ("y.a".attr >= 2) && ("y.a".attr <= 3))
+ || (("x.a".attr === 2) && ("y.a".attr >= 1) && ("y.a".attr <= 14))
+ || (("x.a".attr === 1) && ("y.a".attr >= 9) && ("y.a".attr <= 27))))
+
+ val originalQuery = x.join(y, condition = Some(joinCondition))
+ val optimized = Optimize.execute(originalQuery.analyze)
+ val left = testRelation.where(
+ ('a === 5 || 'a === 2 || 'a === 1)).subquery('x)
+ val right = testRelation.where(
+ ('a >= 2 && 'a <= 3) || ('a >= 1 && 'a <= 14) || ('a >= 9 && 'a <=
27)).subquery('y)
+ val correctAnswer = left.join(right, condition =
Some(joinCondition)).analyze
+
+ comparePlans(optimized, correctAnswer)
+ }
+
+ test("inner join: rewrite join predicates(with NOT predicate) to conjunctive
normal form") {
+ val x = testRelation.subquery('x)
+ val y = testRelation.subquery('y)
+
+ val originalQuery = {
Review comment:
ditto
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/FilterPushdownSuite.scala
##########
@@ -1230,4 +1246,157 @@ class FilterPushdownSuite extends PlanTest {
comparePlans(Optimize.execute(query.analyze), expected)
}
+
+ test("inner join: rewrite filter predicates to conjunctive normal form") {
+ val x = testRelation.subquery('x)
+ val y = testRelation.subquery('y)
+
+ val originalQuery = {
+ x.join(y)
+ .where(("x.b".attr === "y.b".attr) && (simpleDisjuncitvePredicate))
+ }
+
+ val optimized = Optimize.execute(originalQuery.analyze)
+ comparePlans(optimized, expectedCNFPredicatePushDownResult)
+ }
+
+ test("inner join: rewrite join predicates to conjunctive normal form") {
+ val x = testRelation.subquery('x)
+ val y = testRelation.subquery('y)
+
+ val originalQuery = {
+ x.join(y, condition = Some(("x.b".attr === "y.b".attr) &&
(simpleDisjuncitvePredicate)))
+ }
+
+ val optimized = Optimize.execute(originalQuery.analyze)
+ comparePlans(optimized, expectedCNFPredicatePushDownResult)
+ }
+
+ test("inner join: rewrite complex join predicates to conjunctive normal
form") {
+ val x = testRelation.subquery('x)
+ val y = testRelation.subquery('y)
+
+ val joinCondition = (("x.b".attr === "y.b".attr)
+ && ((("x.a".attr === 5) && ("y.a".attr >= 2) && ("y.a".attr <= 3))
+ || (("x.a".attr === 2) && ("y.a".attr >= 1) && ("y.a".attr <= 14))
+ || (("x.a".attr === 1) && ("y.a".attr >= 9) && ("y.a".attr <= 27))))
+
+ val originalQuery = x.join(y, condition = Some(joinCondition))
+ val optimized = Optimize.execute(originalQuery.analyze)
+ val left = testRelation.where(
+ ('a === 5 || 'a === 2 || 'a === 1)).subquery('x)
+ val right = testRelation.where(
+ ('a >= 2 && 'a <= 3) || ('a >= 1 && 'a <= 14) || ('a >= 9 && 'a <=
27)).subquery('y)
+ val correctAnswer = left.join(right, condition =
Some(joinCondition)).analyze
+
+ comparePlans(optimized, correctAnswer)
+ }
+
+ test("inner join: rewrite join predicates(with NOT predicate) to conjunctive
normal form") {
+ val x = testRelation.subquery('x)
+ val y = testRelation.subquery('y)
+
+ val originalQuery = {
+ x.join(y, condition = Some(("x.b".attr === "y.b".attr)
+ && Not(("x.a".attr > 3)
+ && ("x.a".attr < 2 || ("y.a".attr > 13)) || ("x.a".attr > 1) &&
("y.a".attr > 11))))
+ }
+
+ val optimized = Optimize.execute(originalQuery.analyze)
+ val left = testRelation.where('a <= 3 || 'a >= 2).subquery('x)
+ val right = testRelation.subquery('y)
+ val correctAnswer =
+ left.join(right, condition = Some("x.b".attr === "y.b".attr
+ && (("x.a".attr <= 3) || (("x.a".attr >= 2) && ("y.a".attr <= 13)))
+ && (("x.a".attr <= 1) || ("y.a".attr <= 11))))
+ .analyze
+ comparePlans(optimized, correctAnswer)
+ }
+
+ test("left join: rewrite join predicates to conjunctive normal form") {
+ val x = testRelation.subquery('x)
+ val y = testRelation.subquery('y)
+
+ val originalQuery = {
Review comment:
ditto
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