jchen5 opened a new pull request, #45825:
URL: https://github.com/apache/spark/pull/45825
### What changes were proposed in this pull request?
Fix formatting of error messages.
Example: In several error messages, we are concatenating the plan without
any separation: `in this locationFilter (dept_id#652`. We should add a colon
and space or newline in between:
```
[UNSUPPORTED_SUBQUERY_EXPRESSION_CATEGORY.ACCESSING_OUTER_QUERY_COLUMN_IS_NOT_ALLOWED]
Unsupported subquery expression: Accessing outer query column is not allowed
in this locationFilter (dept_id#652 = outer(dept_id#646))
+- SubqueryAlias dept
+- View (`DEPT`, [dept_id#652, dept_name#653, state#654])
+- Project [cast(dept_id#655 as int) AS dept_id#652,
cast(dept_name#656 as string) AS dept_name#653, cast(state#657 as string) AS
state#654]
+- Project [dept_id#655, dept_name#656, state#657]
+- SubqueryAlias DEPT
+- LocalRelation [dept_id#655, dept_name#656, state#657]
. SQLSTATE: 0A000
```
### Why are the changes needed?
Improve error messages readability.
### Does this PR introduce _any_ user-facing change?
Improve error messages readability.
### How was this patch tested?
Unit tests
### Was this patch authored or co-authored using generative AI tooling?
No
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