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https://issues.apache.org/jira/browse/SPARK-52129?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-52129.
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Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 50893
[https://github.com/apache/spark/pull/50893]
> Improve ParserUtils for SQL Scripting
> -------------------------------------
>
> Key: SPARK-52129
> URL: https://issues.apache.org/jira/browse/SPARK-52129
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 4.0.0, 4.1.0
> Reporter: David Milicevic
> Assignee: David Milicevic
> Priority: Major
> Fix For: 4.0.0
>
>
> There are a few improvements required for ParserUtils to support currently
> existing and upcoming features:
> * `enterLabeledScope` doesn't properly use case-insensitive labels and
> causes issues sometimes.
> * `SqlScriptingParsingContext` currently is too generic name. It should be
> renamed to something like `CompoundBodyParsingContext` to free up the name
> for the next bullet.
> * `SqlScriptingParsingContext` should be introduced. It can be extended in
> the future with other applications, but for now it should include:
> ** Label parsing context - already existing.
> ** Condition parsing context:
> *** Used to map conditions to SQL states.
> *** Track duplicate conditions.
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