LuciferYang commented on a change in pull request #29434:
URL: https://github.com/apache/spark/pull/29434#discussion_r474076899
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/StarJoinCostBasedReorderSuite.scala
##########
@@ -350,7 +350,7 @@ class StarJoinCostBasedReorderSuite extends PlanTest with
StatsEstimationTestBas
Some(nameToAttr("d3_c2") === nameToAttr("t1_c1")))
.join(t5.join(t6, Inner, Some(nameToAttr("t5_c2") ===
nameToAttr("t6_c2"))), Inner,
Some(nameToAttr("d2_c2") === nameToAttr("t5_c1")))
- .select(outputsOf(d1, t3, t4, f1, d2, t5, t6, d3, t1, t2): _*)
+ .select(outputsOf(d1, t3, t4, f1, d3, d2, t5, t6, t1, t2): _*)
Review comment:
@srowen @cloud-fan
From the above test results, the result of this case is non-deterministic
and using `LinkedHashMap` instead of `HashMap` has not achieved the expected
effect. It may be necessary to further ensure the order of `itmes` used to
generate "foundPlans".
##########
File path:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/optimizer/StarJoinCostBasedReorderSuite.scala
##########
@@ -350,7 +350,7 @@ class StarJoinCostBasedReorderSuite extends PlanTest with
StatsEstimationTestBas
Some(nameToAttr("d3_c2") === nameToAttr("t1_c1")))
.join(t5.join(t6, Inner, Some(nameToAttr("t5_c2") ===
nameToAttr("t6_c2"))), Inner,
Some(nameToAttr("d2_c2") === nameToAttr("t5_c1")))
- .select(outputsOf(d1, t3, t4, f1, d2, t5, t6, d3, t1, t2): _*)
+ .select(outputsOf(d1, t3, t4, f1, d3, d2, t5, t6, t1, t2): _*)
Review comment:
@srowen @cloud-fan From the above test results, the result of this case
is non-deterministic and using `LinkedHashMap` instead of `HashMap` has not
achieved the expected effect. It may be necessary to further ensure the order
of `itmes` used to generate "foundPlans".
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