xiedeyantu commented on code in PR #4778:
URL: https://github.com/apache/calcite/pull/4778#discussion_r2737393314
##########
core/src/test/java/org/apache/calcite/test/enumerable/EnumerableCorrelateTest.java:
##########
@@ -296,6 +304,170 @@ class EnumerableCorrelateTest {
.returnsUnordered("empid=200; name=Eric");
}
+ private static Program getConditionalCorrelateProgram() {
+ Program subQuery =
+ Programs.hep(
+ ImmutableList.of(CoreRules.PROJECT_SUB_QUERY_TO_MARK_CORRELATE,
+ CoreRules.FILTER_SUB_QUERY_TO_MARK_CORRELATE),
+ true,
+ DefaultRelMetadataProvider.INSTANCE);
+ Program toCalc =
+ Programs.hep(
+ ImmutableList.of(
+ CoreRules.PROJECT_TO_CALC,
+ CoreRules.FILTER_TO_CALC,
+ CoreRules.CALC_MERGE),
+ true,
+ DefaultRelMetadataProvider.INSTANCE);
+
+ final List<RelOptRule> enumerableRules =
+ ImmutableList.of(
+ EnumerableRules.ENUMERABLE_VALUES_RULE,
+ EnumerableRules.ENUMERABLE_CALC_RULE,
+ EnumerableRules.ENUMERABLE_UNCOLLECT_RULE,
+ EnumerableRules.ENUMERABLE_CONDITIONAL_CORRELATE_RULE);
+ Program enumerableImpl = Programs.ofRules(enumerableRules);
+ return Programs.sequence(subQuery, toCalc, enumerableImpl);
+ }
+
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-7403";>[CALCITE-7403]
+ * Missing ENUMERABLE Convention for LogicalConditionalCorrelate</a>. */
+ @Test void testConditionalCorrelateForExists() {
Review Comment:
This is the comparison with PostgreSQL, link
[here](https://onecompiler.com/postgresql/44bxfxary).
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