amaliujia commented on a change in pull request #35404:
URL: https://github.com/apache/spark/pull/35404#discussion_r803191792
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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@@ -4249,7 +4250,30 @@ object ApplyCharTypePadding extends Rule[LogicalPlan] {
* rule right after the main resolution batch.
*/
object RemoveTempResolvedColumn extends Rule[LogicalPlan] {
- override def apply(plan: LogicalPlan): LogicalPlan = plan.resolveExpressions
{
- case t: TempResolvedColumn => UnresolvedAttribute(t.nameParts)
+ override def apply(plan: LogicalPlan): LogicalPlan = {
+ plan.foreachUp {
+ // Having clause could be resolved as a Filter. When having func(column
with wrong data type),
+ // the column could be wrapped by a TempResolvedColumn, e.g.
mean(tempresolvedcolumn(t.c)).
+ // Because TempResolvedColumn can still preserve column data type, here
is a chance to check
+ // if the data type matches with the required data type of the function.
We can throw an error
+ // when data types mismatches.
+ case operator: Filter =>
+ operator.expressions.foreach(_.foreachUp {
+ case e: Expression if e.checkInputDataTypes().isFailure =>
Review comment:
I tried those functions like `transformWithPruning`, unfortunately
didn't make it work.
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