[SPARK-40260][SQL] Use error classes in the compilation errors of GROUP BY a position #37712
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What changes were proposed in this pull request?
In the PR, I propose to the following new error classes:
and migrate 2 compilation exceptions related to GROUP BY a position onto them.
Why are the changes needed?
The migration onto error classes makes the errors searchable in docs, and allows to edit error's text messages w/o modifying the source code.
Does this PR introduce any user-facing change?
Yes, in some sense because it modifies user-facing error messages.
How was this patch tested?
By running the affected test suites: