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Posted to issues@calcite.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2024/09/24 12:42:00 UTC
[jira] [Updated] (CALCITE-6586) Some Rules not firing due to RelMdPredicates returning null in VolcanoPlanner
[ https://issues.apache.org/jira/browse/CALCITE-6586?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated CALCITE-6586:
------------------------------------
Labels: pull-request-available (was: )
> Some Rules not firing due to RelMdPredicates returning null in VolcanoPlanner
> -----------------------------------------------------------------------------
>
> Key: CALCITE-6586
> URL: https://issues.apache.org/jira/browse/CALCITE-6586
> Project: Calcite
> Issue Type: Improvement
> Reporter: suibianwanwan
> Priority: Major
> Labels: pull-request-available
>
> Because getPredicates(RelSubset r, RelMetadataQuery mq) returns null by default, some rules will not work in volcanoPlanner. Such as SortRemoveConstantKeysRule, UnionPullUpConstantsRule, ExchangeRemoveConstantKeysRule, AggregateJoinTransposeRule, ReduceExpressionsRule, etc.
> {code:java}
> public RelOptPredicateList getPredicates(RelSubset r,
> RelMetadataQuery mq) {
> if (!Bug.CALCITE_1048_FIXED) {
> return RelOptPredicateList.EMPTY;
> }
> }{code}
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