[SPARK-39783] Do not parse already qualified identifiers for UNRESOLVED_COLUMN AnalysisException #38254
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What changes were proposed in this pull request?
This PR fixes the error message when referencing a "." separated attribute that does not exist in the table. For example,
would throw an error with the invalid suggestion:
However, it should be showing
the.idinstead ofthe.id:The issue is due to to
toSQLIdfunction that parses the attribute name again, after it has already been qualified. The method splits the name by dots and qualifies each individual part which is incorrect.Why are the changes needed?
Fixes a bug in reporting attribute names for the
UNRESOLVED_COLUMN.WITH_SUGGESTIONerror.Does this PR introduce any user-facing change?
Yes, the user should see the correct message now when the table contains columns with "." separators.
How was this patch tested?
Existing unit tests.