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[GitHub] [spark] ulysses-you opened a new pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

ulysses-you opened a new pull request #34065:
URL: https://github.com/apache/spark/pull/34065


   
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   Change `nonEquiCond` to all join condition at `JoinSelection.ExtractEquiJoinKeys` pattern.
   
   ### Why are the changes needed?
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     1. If you propose a new API, clarify the use case for a new API.
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   At `JoinSelection`, with `ExtractEquiJoinKeys`, we use `nonEquiCond` as the join condition. It's wrong since there should exist some equi condition.
   ```
   Seq(joins.BroadcastNestedLoopJoinExec(
     planLater(left), planLater(right), buildSide, joinType, nonEquiCond))
   ```
   But it's should not be a bug, since we always use the smj as the default join strategy for ExtractEquiJoinKeys.
   
   ### Does this PR introduce _any_ user-facing change?
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   no
   
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   it's not a bug for now, but we should fix it in case we use this code path in future.


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[GitHub] [spark] ulysses-you commented on a change in pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on a change in pull request #34065:
URL: https://github.com/apache/spark/pull/34065#discussion_r713663540



##########
File path: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala
##########
@@ -262,7 +262,7 @@ abstract class SparkStrategies extends QueryPlanner[SparkPlan] {
               // This join could be very slow or OOM
               val buildSide = getSmallerSide(left, right)
               Seq(joins.BroadcastNestedLoopJoinExec(
-                planLater(left), planLater(right), buildSide, joinType, nonEquiCond))
+                planLater(left), planLater(right), buildSide, joinType, j.condition))

Review comment:
       yes, smj only works with orderable key, but we have checked `orderable` at analyzer side(at `BinaryComparison.checkInputDataTypes`). If we go in the equi-join that means the key is orderable.




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[GitHub] [spark] SparkQA removed a comment on pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
SparkQA removed a comment on pull request #34065:
URL: https://github.com/apache/spark/pull/34065#issuecomment-924521275


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[GitHub] [spark] SparkQA commented on pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #34065:
URL: https://github.com/apache/spark/pull/34065#issuecomment-924633437


   **[Test build #143495 has finished](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/143495/testReport)** for PR 34065 at commit [`1f1d8ff`](https://github.com/apache/spark/commit/1f1d8ff73eee0b8d642038a6a56c61a104f41894).
    * This patch passes all tests.
    * This patch merges cleanly.
    * This patch adds no public classes.


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[GitHub] [spark] SparkQA commented on pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #34065:
URL: https://github.com/apache/spark/pull/34065#issuecomment-924537551


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[GitHub] [spark] viirya commented on a change in pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
viirya commented on a change in pull request #34065:
URL: https://github.com/apache/spark/pull/34065#discussion_r713670714



##########
File path: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala
##########
@@ -262,7 +262,7 @@ abstract class SparkStrategies extends QueryPlanner[SparkPlan] {
               // This join could be very slow or OOM
               val buildSide = getSmallerSide(left, right)
               Seq(joins.BroadcastNestedLoopJoinExec(
-                planLater(left), planLater(right), buildSide, joinType, nonEquiCond))
+                planLater(left), planLater(right), buildSide, joinType, j.condition))

Review comment:
       Oh okay, so basically we cannot reach here if it is a equi-join with non-orderable keys. And by no means it runs into `createJoinWithoutHint` for equi-join for now.
   
   This is only for preventing possible bug.




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[GitHub] [spark] AmplabJenkins commented on pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
AmplabJenkins commented on pull request #34065:
URL: https://github.com/apache/spark/pull/34065#issuecomment-924643433


   
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[GitHub] [spark] SparkQA commented on pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #34065:
URL: https://github.com/apache/spark/pull/34065#issuecomment-924552914


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[GitHub] [spark] cloud-fan closed pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
cloud-fan closed pull request #34065:
URL: https://github.com/apache/spark/pull/34065


   


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[GitHub] [spark] viirya commented on a change in pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
viirya commented on a change in pull request #34065:
URL: https://github.com/apache/spark/pull/34065#discussion_r713651275



##########
File path: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala
##########
@@ -262,7 +262,7 @@ abstract class SparkStrategies extends QueryPlanner[SparkPlan] {
               // This join could be very slow or OOM
               val buildSide = getSmallerSide(left, right)
               Seq(joins.BroadcastNestedLoopJoinExec(
-                planLater(left), planLater(right), buildSide, joinType, nonEquiCond))
+                planLater(left), planLater(right), buildSide, joinType, j.condition))

Review comment:
       Isn't smj only for orderable joining keys?




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[GitHub] [spark] viirya commented on a change in pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
viirya commented on a change in pull request #34065:
URL: https://github.com/apache/spark/pull/34065#discussion_r713637819



##########
File path: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala
##########
@@ -262,7 +262,7 @@ abstract class SparkStrategies extends QueryPlanner[SparkPlan] {
               // This join could be very slow or OOM
               val buildSide = getSmallerSide(left, right)
               Seq(joins.BroadcastNestedLoopJoinExec(
-                planLater(left), planLater(right), buildSide, joinType, nonEquiCond))
+                planLater(left), planLater(right), buildSide, joinType, j.condition))

Review comment:
       I read the JIRA description. If the join condition is wrong, isn't this a bug? Even it is not default join strategy, we still possibly hit this path, no?




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[GitHub] [spark] viirya commented on a change in pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
viirya commented on a change in pull request #34065:
URL: https://github.com/apache/spark/pull/34065#discussion_r713637819



##########
File path: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala
##########
@@ -262,7 +262,7 @@ abstract class SparkStrategies extends QueryPlanner[SparkPlan] {
               // This join could be very slow or OOM
               val buildSide = getSmallerSide(left, right)
               Seq(joins.BroadcastNestedLoopJoinExec(
-                planLater(left), planLater(right), buildSide, joinType, nonEquiCond))
+                planLater(left), planLater(right), buildSide, joinType, j.condition))

Review comment:
       I read the JIRA description. If the join condition is wrong, isn't this a bug?




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[GitHub] [spark] ulysses-you commented on a change in pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on a change in pull request #34065:
URL: https://github.com/apache/spark/pull/34065#discussion_r713639032



##########
File path: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkStrategies.scala
##########
@@ -262,7 +262,7 @@ abstract class SparkStrategies extends QueryPlanner[SparkPlan] {
               // This join could be very slow or OOM
               val buildSide = getSmallerSide(left, right)
               Seq(joins.BroadcastNestedLoopJoinExec(
-                planLater(left), planLater(right), buildSide, joinType, nonEquiCond))
+                planLater(left), planLater(right), buildSide, joinType, j.condition))

Review comment:
       We would never go to this code path. For equi-join we always use smj by default.




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[GitHub] [spark] SparkQA commented on pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
SparkQA commented on pull request #34065:
URL: https://github.com/apache/spark/pull/34065#issuecomment-924521275


   **[Test build #143495 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/143495/testReport)** for PR 34065 at commit [`1f1d8ff`](https://github.com/apache/spark/commit/1f1d8ff73eee0b8d642038a6a56c61a104f41894).


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[GitHub] [spark] ulysses-you commented on pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
ulysses-you commented on pull request #34065:
URL: https://github.com/apache/spark/pull/34065#issuecomment-924633400


   cc @cloud-fan @viirya @yaooqinn @maryannxue 


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[GitHub] [spark] cloud-fan commented on pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
cloud-fan commented on pull request #34065:
URL: https://github.com/apache/spark/pull/34065#issuecomment-924746895


   The GA failure is unrelated. Thanks, merging to master/3.2!


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[GitHub] [spark] cloud-fan edited a comment on pull request #34065: [SPARK-36822][SQL] BroadcastNestedLoopJoinExec should use all condition instead of non-equi condition

Posted by GitBox <gi...@apache.org>.
cloud-fan edited a comment on pull request #34065:
URL: https://github.com/apache/spark/pull/34065#issuecomment-924746895


   The GA failure is unrelated. Thanks, merging to master!


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