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Posted to issues@calcite.apache.org by "Mihai Budiu (Jira)" <ji...@apache.org> on 2024/11/13 23:50:00 UTC
[jira] [Resolved] (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 ]
Mihai Budiu resolved CALCITE-6586.
----------------------------------
Fix Version/s: 1.39.0
Resolution: Fixed
Fixed in https://github.com/apache/calcite/commit/394ec336d6e89884f817e1c3b3fa1c0da211fe59
Thank you for the contribution [~suibianwanwan33]
> 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
> Fix For: 1.39.0
>
>
> 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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