racevedoo commented on code in PR #4147:
URL: https://github.com/apache/calcite/pull/4147#discussion_r1922406707
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core/src/test/resources/sql/sub-query.iq:
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@@ -1871,13 +1871,15 @@ select sal from "scott".emp e
(0 rows)
!ok
-EnumerableCalc(expr#0..4=[{inputs}], expr#5=[RAND()],
expr#6=[CAST($t5):INTEGER NOT NULL], expr#7=[2], expr#8=[MOD($t6, $t7)],
expr#9=[3], expr#10=[=($t8, $t9)], expr#11=[OR($t10, $t4)], SAL=[$t1],
$condition=[$t11])
- EnumerableMergeJoin(condition=[=($2, $3)], joinType=[left])
- EnumerableSort(sort0=[$2], dir0=[ASC])
- EnumerableCalc(expr#0..7=[{inputs}], EMPNO=[$t0], SAL=[$t5],
DEPTNO=[$t7])
- EnumerableTableScan(table=[[scott, EMP]])
- EnumerableCalc(expr#0..2=[{inputs}], expr#3=[false], DEPTNO=[$t0],
$f1=[$t3])
- EnumerableTableScan(table=[[scott, DEPT]])
+EnumerableCalc(expr#0..2=[{inputs}], expr#3=[RAND()],
expr#4=[CAST($t3):INTEGER NOT NULL], expr#5=[2], expr#6=[MOD($t4, $t5)],
expr#7=[3], expr#8=[=($t6, $t7)], expr#9=[OR($t8, $t2)], SAL=[$t0],
$condition=[$t9])
Review Comment:
In my understanding, the plan change is basically that the
`EnumerableMergeJoin` was replaced with a `EnumerableCorrelate`. Aren't they
similar in this case?
Naturally, the sort + limit is also introduced.
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