avamingli commented on code in PR #1377:
URL: https://github.com/apache/cloudberry/pull/1377#discussion_r2389703362
##########
src/test/regress/sql/cbdb_parallel.sql:
##########
@@ -1132,7 +1132,19 @@ WHERE e.salary > (
SELECT AVG(salary)
FROM employees
WHERE department_id = e.department_id);
-
+
+--
+-- Test https://github.com/apache/cloudberry/issues/1376
+--
+create table t1(a int, b int);
+create table t2 (like t1);
+set gp_cte_sharing = on;
+
+explain(locus, costs off) with x as
+ (select a, count(*) as b from t1 group by a union all
+ select a, count(*) as b from t2 group by a)
+ select count(*) from x a join x b on a.a = b.b;
+
reset enable_parallel;
reset min_parallel_table_scan_size;
Review Comment:
good point, done.
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