lincoln-lil commented on code in PR #4744:
URL: https://github.com/apache/calcite/pull/4744#discussion_r2692590830
##########
core/src/test/java/org/apache/calcite/test/RelOptRulesTest.java:
##########
@@ -502,6 +502,24 @@ private HepProgram createHypergraphProgram() {
.checkUnchanged();
}
+ /**
+ * Test case for <a
href="https://issues.apache.org/jira/projects/CALCITE/issues/CALCITE-7375";>
+ * [CALCITE-7375] ProjectWindowTransposeRule does not correctly adjust
column indices in window
+ * bounds</a>. */
+ @Test void testNestedConstantWindow() {
+ final String sql =
+ "select deptno, f1, f2 from (\n"
+ + "select *, last_value(deptno) over"
+ + " (order by empno ROWS BETWEEN 2 PRECEDING AND 1 FOLLOWING)
f2\n"
+ + "from (\n"
+ + " select *, first_value(deptno) over "
+ + " (order by empno ROWS BETWEEN 2 PRECEDING AND 1 FOLLOWING)
f1 from emp))\n";
Review Comment:
Preview:
```
<![CDATA[WITH t1 AS (
SELECT *,
FIRST_VALUE(deptno) OVER (
ORDER BY empno
ROWS BETWEEN 2 PRECEDING AND 1 FOLLOWING
) AS f1
FROM emp
)
SELECT deptno,
f1,
LAST_VALUE(deptno) OVER (
ORDER BY empno
ROWS BETWEEN 2 PRECEDING AND 1 FOLLOWING
) AS f2
FROM t1]]>
```
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