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Posted to commits@calcite.apache.org by GitBox <gi...@apache.org> on 2019/11/07 22:30:53 UTC

[GitHub] [calcite] xndai opened a new pull request #1567: [CALCITE-3479] Stack overflow error thrown when running join query

xndai opened a new pull request #1567: [CALCITE-3479] Stack overflow error thrown when running join query
URL: https://github.com/apache/calcite/pull/1567
 
 
   With fix of CALCITE-2166, we recalculate the RelNode cost within a subset when its best cost is increased, in order to find the new best RelNode. But this could lead to cyclic reference between best RelNodes and then fail to generate a plan.
   
   In this change, we remove the recalcuation part to mitigate this problem.
   
   JIRA - https://issues.apache.org/jira/browse/CALCITE-3479

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