chunweilei commented on code in PR #2811:
URL: https://github.com/apache/calcite/pull/2811#discussion_r893001179
##########
core/src/test/resources/sql/sub-query.iq:
##########
@@ -1174,7 +1173,7 @@ EnumerableCalc(expr#0..3=[{inputs}], expr#4=[IS
NULL($t3)], expr#5=[null:BOOLEAN
EnumerableLimit(fetch=[1])
EnumerableSort(sort0=[$0], dir0=[DESC])
EnumerableAggregate(group=[{0}], c=[COUNT()])
- EnumerableCalc(expr#0..2=[{inputs}], expr#3=[true], cs=[$t3])
+ EnumerableCalc(expr#0..2=[{inputs}], expr#3=[CAST($t0):INTEGER],
expr#4=[IS NOT NULL($t3)], cs=[$t4])
EnumerableTableScan(table=[[scott, DEPT]])
!plan
Review Comment:
Are these plan changes desirable?
##########
core/src/test/java/org/apache/calcite/test/SqlToRelConverterTest.java:
##########
@@ -1704,6 +1704,23 @@ void checkCorrelatedMapSubQuery(boolean expand) {
sql(sql).withExpand(false).ok();
}
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-5156";>[CALCITE-5156]
+ * Support implicit type cast for IN Sub-query</a>. */
+ @Test void testInSubQueryWithTypeCast() {
Review Comment:
> Maybe the UnitTest can be written in TypeCoercionConverterTest
+1.
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