xndai commented on issue #1385: [CALCITE-3257] RelMetadataQuery cache is not invalidated when log trace is enabled URL: https://github.com/apache/calcite/pull/1385#issuecomment-522837566 hi @julianhyde , this PR is to ensure we purge meta data cache when trace is enabled, same as when trace is disabled. CALCITE-2018 is to fix issue during propogateCostImprovement(). @vvysotskyi also agrees they are two different issues. More details please refer to the Jira. Thanks.
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