mihaibudiu commented on code in PR #2811:
URL: https://github.com/apache/calcite/pull/2811#discussion_r1773598626
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core/src/main/java/org/apache/calcite/sql2rel/SqlToRelConverter.java:
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@@ -1958,7 +1959,33 @@ private RelOptUtil.Exists convertExists(
if (!values.getTuples().isEmpty()) {
unionInputs.add(values);
}
- resultRel = LogicalUnion.create(unionInputs, true);
+ RelDataType finalRowType = rowType;
Review Comment:
thinking more about it, there is one good reason that SqlToRelConverter
would do such a transformation: a subquery generates a different program than a
constant list for an IN expression. The latter can be implemented using search.
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