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https://issues.apache.org/jira/browse/FLINK-22148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-22148:
-----------------------------------
Labels: pull-request-available (was: )
> Planner rules should use RexCall#equsls to check whether two rexCalls are
> equivalent
> ------------------------------------------------------------------------------------
>
> Key: FLINK-22148
> URL: https://issues.apache.org/jira/browse/FLINK-22148
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner
> Affects Versions: 1.12.2
> Reporter: Shuo Cheng
> Assignee: Shuo Cheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.13.0
>
>
> Reproduce the bug by add the following test to `SemiAntiJoinTest`
>
> {code:java}
> // code placeholder
> @Test
> def testNotSimplifyJoinConditionWithSameDigest(): Unit = {
> val sqlQuery =
> """
> |SELECT a
> |FROM l
> |WHERE c NOT IN (
> | SELECT f FROM r WHERE f = c)
> |""".stripMargin
> util.verifyRelPlan(sqlQuery)
> }
> {code}
>
> CannotPlanException will be thrown, this is because Calcite planner will
> normalize a RexCall in the `equals` method (from 1.24), while in Flink planer
> rules, we still use toString to check two RexCalls are equivalent.
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