srielau commented on code in PR #49445:
URL: https://github.com/apache/spark/pull/49445#discussion_r1913455200
##########
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/ColumnResolutionHelper.scala:
##########
@@ -266,22 +268,40 @@ trait ColumnResolutionHelper extends Logging with
DataTypeErrorsBase {
}
}
- if (maybeTempVariableName(nameParts)) {
- val variableName = if (conf.caseSensitiveAnalysis) {
- nameParts.last
- } else {
- nameParts.last.toLowerCase(Locale.ROOT)
- }
- catalogManager.tempVariableManager.get(variableName).map { varDef =>
+ val namePartsCaseAdjusted = if (conf.caseSensitiveAnalysis) {
+ nameParts
+ } else {
+ nameParts.map(_.toLowerCase(Locale.ROOT))
+ }
+
+ catalogManager.scriptingLocalVariableManager
+ // If sessionOnly is set to true lookup only session variables.
+ .filterNot(_ => sessionVariablesOnly)
+ // If variable name is qualified with system.session.<varName> treat it
as a session variable.
+ .filterNot(_ => nameParts.take(2).map(_.toLowerCase(Locale.ROOT)) ==
Seq("system", "session"))
+ // Local variable must be in format <varName> or <label>.<varName>
+ .filter(_ => namePartsCaseAdjusted.nonEmpty &&
namePartsCaseAdjusted.length <= 2)
Review Comment:
Correct.
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