xy2953396112 commented on a change in pull request #1936:
URL: https://github.com/apache/calcite/pull/1936#discussion_r412752519
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File path:
core/src/main/java/org/apache/calcite/plan/RelOptMaterializations.java
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@@ -192,6 +195,8 @@
// Push filters to the bottom, and combine projects on top.
RelNode target = materialization.queryRel;
+ // try to trim unused field in relational expressions.
+ root = trimUnusedfields(root);
Review comment:
update it.
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