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[SPARK-31705][SQL] Push more possible predicates through Join via CNF conversion #28733

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[SPARK-31705][SQL] Push more possible predicates through Join via CNF conversion #28733

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054594f
add rule PushCNFPredicateThroughJoin
gengliangwang Jun 5, 2020
6591680
From Yuming:[SPARK-31705][SQL] Push predicate through join by rewriti…
wangyum Jun 5, 2020
3497b3c
fix test failure
gengliangwang Jun 5, 2020
ada4135
Add test rewrite complex join predicates to conjunctive normal form
wangyum Jun 5, 2020
7e4b019
increase threshold and test case
gengliangwang Jun 5, 2020
0c92c1c
fix test case; reduce threshold default value
gengliangwang Jun 6, 2020
7853f67
address comments and add test cases
gengliangwang Jun 8, 2020
84e89de
revise
gengliangwang Jun 8, 2020
0af4c48
lazy val
gengliangwang Jun 9, 2020
95ee45e
update doc
gengliangwang Jun 9, 2020
6bf4747
remove assert
gengliangwang Jun 9, 2020
fa03b00
add back warning
gengliangwang Jun 9, 2020
c225f74
address comments
gengliangwang Jun 10, 2020
296068c
address comments
gengliangwang Jun 10, 2020
377f9d8
address comments
gengliangwang Jun 10, 2020
be79ab7
update test case
gengliangwang Jun 10, 2020
af018be
address comments
gengliangwang Jun 10, 2020
b42ce1d
fix build
gengliangwang Jun 11, 2020
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update doc
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@gengliangwang
gengliangwang committed Jun 10, 2020
commit 95ee45e19446c9744277a76da6797cd0f5f5042c
2 changes: 1 addition & 1 deletion sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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Expand Up @@ -549,7 +549,7 @@ object SQLConf {
buildConf("spark.sql.optimizer.maxCNFNodeCount")
.internal()
.doc("Specifies the maximum allowable number of conjuncts in the result of CNF " +
"conversion. If the conversion exceeds the threshold, None is returned. " +
"conversion. If the conversion exceeds the threshold, an empty sequence is returned. " +
"For example, CNF conversion of (a && b) || (c && d) generates " +
"four conjuncts (a || c) && (a || d) && (b || c) && (b || d).")
.version("3.1.0")
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