Github user viirya commented on a diff in the pull request:
https://github.com/apache/spark/pull/20795#discussion_r173997911
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
---
@@ -1192,11 +1195,23 @@ class Analyzer(
* @see https://issues.apache.org/jira/browse/SPARK-19737
*/
object LookupFunctions extends Rule[LogicalPlan] {
- override def apply(plan: LogicalPlan): LogicalPlan =
plan.transformAllExpressions {
- case f: UnresolvedFunction if !catalog.functionExists(f.name) =>
- withPosition(f) {
- throw new
NoSuchFunctionException(f.name.database.getOrElse("default"), f.name.funcName)
- }
+ override def apply(plan: LogicalPlan): LogicalPlan = {
+ val catalogFunctionNameSet = new
mutable.HashSet[FunctionIdentifier]()
+ plan.transformAllExpressions {
+ case f: UnresolvedFunction if
catalogFunctionNameSet.contains(f.name) => f
--- End diff --
Normalize `FunctionIdentifier` when looking up it too?
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