xiedeyantu commented on code in PR #4749:
URL: https://github.com/apache/calcite/pull/4749#discussion_r2694306866
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core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java:
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@@ -2093,6 +2093,33 @@ private void
checkSemiOrAntiJoinProjectTranspose(JoinRelType type) {
assertTrue(join.getHints().contains(noHashJoinHint));
}
+ /** Test case for
+ * <a
href="https://issues.apache.org/jira/browse/CALCITE-7373";>[CALCITE-7373]
+ * FILTER_INTO_JOIN should not push Filter into a join
+ * when the Filter contains non-deterministic function</a>. */
+ @Test void testPushFilterThroughJoinWithNonDeterministic() {
+ final String sql = "select * from (\n"
+ + " select * from dept inner join\n"
+ + " emp on dept.deptno = emp.deptno) R\n"
+ + "where 0.9 <= rand()";
+ sql(sql)
Review Comment:
Do we need to consider the pushdown in this scenario? That is, the case
where the condition containing rand() includes a join key.
```
select * from (
select dept.deptno from dept inner join
emp on dept.deptno = emp.deptno) R
where deptno <= rand() * 100;
```
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