cloud-fan commented on a change in pull request #27391: [SPARK-30612][SQL]
Resolve qualified column name with v2 tables
URL: https://github.com/apache/spark/pull/27391#discussion_r373907771
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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@@ -822,7 +823,9 @@ class Analyzer(
.getOrElse(alter)
case u: UnresolvedV2Relation =>
- CatalogV2Util.loadRelation(u.catalog, u.tableName).getOrElse(u)
+ CatalogV2Util.loadRelation(u.catalog, u.tableName)
+ .map(SubqueryAlias(u.originalNameParts, _))
Review comment:
do we need to add `SubqueryAlias` for UnresolvedV2Relation? AFAIK it's only
for ALTER TABLE, which does not need to resolve qualified column names.
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