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https://issues.apache.org/jira/browse/CALCITE-3982?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez resolved CALCITE-3982.
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Fix Version/s: 1.23.0
Resolution: Fixed
Fixed in
[de3bef9b06502886f87b60ab36d8e54ebc55f05c|https://github.com/apache/calcite/commit/de3bef9b06502886f87b60ab36d8e54ebc55f05c].
Thanks [~julianhyde] and [~zabetak] for the feedback.
> Simplify FilterMergeRule to rely on RelBuilder instead of RexProgram
> --------------------------------------------------------------------
>
> Key: CALCITE-3982
> URL: https://issues.apache.org/jira/browse/CALCITE-3982
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Fix For: 1.23.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> This could potentially happen since Filter creation has a check on whether
> the expression is flat
> ([here|https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/rel/core/Filter.java#L74])
> and Filter merge does not flatten an expression when it is created.
> {noformat}
> java.lang.AssertionError: AND(=($3, 100), OR(OR(null, IS NOT
> NULL(CAST(100):INTEGER)), =(CAST(100):INTEGER, CAST(200):INTEGER)))
> at org.apache.calcite.rel.core.Filter.<init>(Filter.java:74)
> at
> org.apache.hadoop.hive.ql.optimizer.calcite.reloperators.HiveFilter.<init>(HiveFilter.java:39)
> at
> org.apache.hadoop.hive.ql.optimizer.calcite.HiveRelFactories$HiveFilterFactoryImpl.createFilter(HiveRelFactories.java:126)
> at
> org.apache.hadoop.hive.ql.optimizer.calcite.HiveRelBuilder.filter(HiveRelBuilder.java:99)
> at org.apache.calcite.tools.RelBuilder.filter(RelBuilder.java:1055)
> at
> org.apache.calcite.rel.rules.FilterMergeRule.onMatch(FilterMergeRule.java:81)
> {noformat}
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