gatorsmile commented on a change in pull request #23606: [SPARK-26666][SQL]
Support DSv2 overwrite and dynamic partition overwrite.
URL: https://github.com/apache/spark/pull/23606#discussion_r255319922
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
##########
@@ -2237,14 +2242,34 @@ class Analyzer(
object ResolveOutputRelation extends Rule[LogicalPlan] {
override def apply(plan: LogicalPlan): LogicalPlan = plan.resolveOperators
{
case append @ AppendData(table, query, isByName)
- if table.resolved && query.resolved && !append.resolved =>
+ if table.resolved && query.resolved && !append.writeResolved =>
val projection = resolveOutputColumns(table.name, table.output, query,
isByName)
if (projection != query) {
append.copy(query = projection)
} else {
append
}
+
+ case overwrite @ OverwriteByExpression(table, _, query, isByName)
+ if table.resolved && query.resolved && !overwrite.writeResolved =>
+ val projection = resolveOutputColumns(table.name, table.output, query,
isByName)
+
+ if (projection != query) {
+ overwrite.copy(query = projection)
+ } else {
+ overwrite
+ }
+
+ case overwrite @ OverwritePartitionsDynamic(table, query, isByName)
+ if table.resolved && query.resolved && !overwrite.writeResolved =>
Review comment:
Nit: two more space
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