xndai commented on a change in pull request #1543: [CALCITE-3455] Redundant
rule firing for both logical and physical nodes
URL: https://github.com/apache/calcite/pull/1543#discussion_r345573063
##########
File path:
core/src/test/java/org/apache/calcite/test/enumerable/EnumerableCorrelateTest.java
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@@ -125,10 +125,10 @@
})
.explainContains(""
+ "EnumerableCalc(expr#0..3=[{inputs}], empid=[$t1], name=[$t3])\n"
- + " EnumerableCorrelate(correlation=[$cor5], joinType=[inner],
requiredColumns=[{0}])\n"
+ + " EnumerableCorrelate(correlation=[$cor4], joinType=[inner],
requiredColumns=[{0}])\n"
+ " EnumerableAggregate(group=[{0}])\n"
+ " EnumerableTableScan(table=[[s, depts]])\n"
- + " EnumerableCalc(expr#0..4=[{inputs}], expr#5=[100],
expr#6=[>($t0, $t5)], expr#7=[$cor5], expr#8=[$t7.deptno], expr#9=[=($t1,
$t8)], expr#10=[AND($t6, $t9)], proj#0..2=[{exprs}], $condition=[$t10])\n"
+ + " EnumerableCalc(expr#0..4=[{inputs}], expr#5=[$cor4],
expr#6=[$t5.deptno], expr#7=[=($t1, $t6)], expr#8=[100], expr#9=[>($t0, $t8)],
expr#10=[AND($t7, $t9)], proj#0..2=[{exprs}], $condition=[$t10])\n"
Review comment:
The new plan is equivalent. The rule firing sequence is changed now, so we
get an alternative plan.
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