mihaibudiu commented on code in PR #4474:
URL: https://github.com/apache/calcite/pull/4474#discussion_r2223956372
##########
core/src/test/resources/sql/lateral.iq:
##########
@@ -246,4 +246,98 @@ where job = 'MANAGER';
!ok
+# [CALCITE-4693] Query with Lateral Join should converted to Left Join When
sub-query is aggregate query
+
+select * from "scott".dept, lateral (select count(cast(deptno as integer))
from "scott".emp where emp.deptno = dept.deptno);
++--------+------------+----------+--------+
+| DEPTNO | DNAME | LOC | EXPR$0 |
++--------+------------+----------+--------+
+| 10 | ACCOUNTING | NEW YORK | 3 |
+| 20 | RESEARCH | DALLAS | 5 |
+| 30 | SALES | CHICAGO | 6 |
+| 40 | OPERATIONS | BOSTON | 0 |
++--------+------------+----------+--------+
+(4 rows)
+
+!ok
+EnumerableCalc(expr#0..4=[{inputs}], expr#5=[IS NULL($t4)], expr#6=[0:BIGINT],
expr#7=[CASE($t5, $t6, $t4)], proj#0..2=[{exprs}], EXPR$0=[$t7])
Review Comment:
We now have !explain-validated-on, which provides much higher level plans
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