MaxGekk commented on code in PR #38576:
URL: https://github.com/apache/spark/pull/38576#discussion_r1026031578
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala:
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@@ -1059,10 +1060,16 @@ trait CheckAnalysis extends PredicateHelper with
LookupCatalog with QueryErrorsB
def failOnInvalidOuterReference(p: LogicalPlan): Unit = {
p.expressions.foreach(checkMixedReferencesInsideAggregateExpr)
if (!canHostOuter(p) && p.expressions.exists(containsOuter)) {
+ val exprs = new ListBuffer[String]()
+ for (expr <- p.expressions) {
Review Comment:
This can be simpler using `filter` instead of `exists` and `for`
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala:
##########
@@ -1059,10 +1060,16 @@ trait CheckAnalysis extends PredicateHelper with
LookupCatalog with QueryErrorsB
def failOnInvalidOuterReference(p: LogicalPlan): Unit = {
p.expressions.foreach(checkMixedReferencesInsideAggregateExpr)
if (!canHostOuter(p) && p.expressions.exists(containsOuter)) {
+ val exprs = new ListBuffer[String]()
+ for (expr <- p.expressions) {
+ if (containsOuter(expr)) {
+ exprs += toPrettySQL(expr)
Review Comment:
Use `toSQLExpr`
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