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https://issues.apache.org/jira/browse/SPARK-52931?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18013624#comment-18013624
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Teodor edited comment on SPARK-52931 at 8/13/25 9:36 AM:
---------------------------------------------------------
It was decided to abandon this pr, because of the inconsistencies it would
introduce, because different identifiers having different restrictions on their
naming, even though they should all have the same restrictions. We compiled the
findings for the interactions between session variables and different
identifier types
https://docs.google.com/document/d/1Qltd7d7ArVdd40jdkjye5Dh_U0Vcuh7LDDlMMwh_XQg/edit?usp=sharing
Abandoned pr: [https://github.com/apache/spark/pull/51669]
was (Author: JIRAUSER310393):
It was decided to abandon this pr, because of the inconsistencies it would
introduce, because different identifiers having different restrictions on their
naming, even though they should all have the same restrictions. We compiled the
findings for the interactions between session variables and different
identifier types
[http://docs.google.com/document/d/1Qltd7d7ArVdd40jdkjye5Dh_U0Vcuh7LDDlMMwh_XQg/edit?tab=t.0#heading=h.py68m9plh3z8s|https://docs.google.com/document/d/1Qltd7d7ArVdd40jdkjye5Dh_U0Vcuh7LDDlMMwh_XQg/edit?usp=sharing]
Abandoned pr: https://github.com/apache/spark/pull/51669
> Restrict DECLARE variable naming
> --------------------------------
>
> Key: SPARK-52931
> URL: https://issues.apache.org/jira/browse/SPARK-52931
> Project: Spark
> Issue Type: Sub-task
> Components: Spark Core
> Affects Versions: 4.1.0, 4.0.1
> Reporter: Teodor
> Priority: Trivial
> Labels: pull-request-available
>
> Restrict DECLARE variable names to any name except "system" or "session".
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