AL04: Check for duplicates in subquery aliases and table references #6593
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Brief summary of the change made
This now causes AL04 to check any reference or aliases that are within a subquery to not be a duplicated name with any elements in the parent query.
Are there any other side effects of this change that we should be aware of?
None
Pull Request checklist
Please confirm you have completed any of the necessary steps below.
Included test cases to demonstrate any code changes, which may be one or more of the following:
.yml
rule test cases intest/fixtures/rules/std_rule_cases
..sql
/.yml
parser test cases intest/fixtures/dialects
(note YML files can be auto generated withtox -e generate-fixture-yml
).test/fixtures/linter/autofix
.Added appropriate documentation for the change.
Created GitHub issues for any relevant followup/future enhancements if appropriate.