tdas commented on a change in pull request #27265: [SPARK-30555][SQL] MERGE
INTO insert action should only access columns from source table
URL: https://github.com/apache/spark/pull/27265#discussion_r368078637
##########
File path:
sql/core/src/test/scala/org/apache/spark/sql/execution/command/PlanResolutionSuite.scala
##########
@@ -1127,128 +1130,150 @@ class PlanResolutionSuite extends AnalysisTest {
parsed1 match {
case MergeIntoTable(
- SubqueryAlias(AliasIdentifier("target", None), _:
DataSourceV2Relation),
- SubqueryAlias(AliasIdentifier("source", None), _:
DataSourceV2Relation),
- EqualTo(l: UnresolvedAttribute, r: UnresolvedAttribute),
- Seq(DeleteAction(Some(EqualTo(dl: UnresolvedAttribute,
StringLiteral("delete")))),
- UpdateAction(Some(EqualTo(ul: UnresolvedAttribute,
StringLiteral("update"))),
+ SubqueryAlias(AliasIdentifier("target", None), target:
DataSourceV2Relation),
+ SubqueryAlias(AliasIdentifier("source", None), source:
DataSourceV2Relation),
+ EqualTo(l: AttributeReference, r: AttributeReference),
+ Seq(DeleteAction(Some(EqualTo(dl: AttributeReference,
StringLiteral("delete")))),
+ UpdateAction(Some(EqualTo(ul: AttributeReference,
StringLiteral("update"))),
updateAssigns)),
- Seq(InsertAction(Some(EqualTo(il: UnresolvedAttribute,
StringLiteral("insert"))),
+ Seq(InsertAction(Some(EqualTo(il: AttributeReference,
StringLiteral("insert"))),
insertAssigns))) =>
- assert(l.name == "target.i" && r.name == "source.i")
- assert(dl.name == "target.s")
- assert(ul.name == "target.s")
- assert(il.name == "target.s")
+ val ti = target.output.find(_.name == "i").get
+ val ts = target.output.find(_.name == "s").get
+ val si = source.output.find(_.name == "i").get
+ val ss = source.output.find(_.name == "s").get
+
+ assert(l.sameRef(ti) && r.sameRef(si))
+ assert(dl.sameRef(ts))
+ assert(ul.sameRef(ts))
+ assert(il.sameRef(ts))
assert(updateAssigns.size == 1)
- assert(updateAssigns.head.key.isInstanceOf[UnresolvedAttribute] &&
- updateAssigns.head.key.asInstanceOf[UnresolvedAttribute].name
== "target.s")
- assert(updateAssigns.head.value.isInstanceOf[UnresolvedAttribute]
&&
-
updateAssigns.head.value.asInstanceOf[UnresolvedAttribute].name == "source.s")
+
assert(updateAssigns.head.key.asInstanceOf[AttributeReference].sameRef(ts))
+
assert(updateAssigns.head.value.asInstanceOf[AttributeReference].sameRef(ss))
assert(insertAssigns.size == 2)
- assert(insertAssigns.head.key.isInstanceOf[UnresolvedAttribute] &&
- insertAssigns.head.key.asInstanceOf[UnresolvedAttribute].name
== "target.i")
- assert(insertAssigns.head.value.isInstanceOf[UnresolvedAttribute]
&&
-
insertAssigns.head.value.asInstanceOf[UnresolvedAttribute].name == "source.i")
+
assert(insertAssigns(0).key.asInstanceOf[AttributeReference].sameRef(ti))
Review comment:
nit: there is a lot of code that can be deduped here.
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