asolimando commented on code in PR #4674:
URL: https://github.com/apache/calcite/pull/4674#discussion_r2607586240
##########
core/src/test/java/org/apache/calcite/rel/rel2sql/RelToSqlConverterTest.java:
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@@ -11025,6 +11025,35 @@ private void checkLiteral2(String expression, String
expected) {
.ok(expected);
}
+ /** Test case of
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-7319">[CALCITE-7319]
+ * FILTER_INTO_JOIN rule loses correlation variable context in
HepPlanner</a>. */
+ @Test void testFilterIntoJoinMissingVariableCor() {
Review Comment:
At first I was considering adding tests for LEFT/RIGHT/FULL OUTER joins, but
we bail out pretty early and in a rather generic way which is not
join-dependant. It seems conservative but safe to me. WDYT?
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