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Posted to commits@calcite.apache.org by GitBox <gi...@apache.org> on 2019/10/26 04:20:08 UTC

[GitHub] [calcite] jinxing64 commented on issue #1531: [CALCITE-3447]Fix 'equals' and 'hashcode' methods of class 'MutableScan'

jinxing64 commented on issue #1531: [CALCITE-3447]Fix 'equals' and 'hashcode' methods of class 'MutableScan'
URL: https://github.com/apache/calcite/pull/1531#issuecomment-546567161
 
 
   Related with CALCITE-3167 (https://github.com/apache/calcite/pull/1294/files)
   Check -- https://github.com/apache/calcite/blob/master/core/src/main/java/org/apache/calcite/plan/RelOptMaterializations.java#L192
   Note that RelOptMaterializations use the same RelOptPlanner to process `query` and `materialization`, thus different nodes with the same digest will share the same vertex in
   the plan graph, i.e. the same TableScan instance will be used for the description in this PR.

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