alex-plekhanov commented on a change in pull request #9581:
URL: https://github.com/apache/ignite/pull/9581#discussion_r761785885
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File path:
modules/calcite/src/main/java/org/apache/ignite/internal/processors/query/calcite/prepare/PlannerHelper.java
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@@ -147,7 +147,10 @@ public static IgniteRel optimize(SqlNode sqlNode,
IgnitePlanner planner, IgniteL
if (rel.isDelete())
return rel;
- processNode(rel);
+ if (rel.isMerge()) // MERGE operator always contains modified
table as a source.
Review comment:
Yes, but I don't find a way to determine if "WHEN NOT MATCHED" clause is
omitted. If "WHEN MATCHED" clause is omitted `getUpdateColumnList` is empty,
but for "NOT MATCHED" there are no clues that I can use.
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