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return text if not uuid
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| CREATE OR REPLACE FUNCTION public.null_or_not_uuid(str text) | |
| RETURNS text | |
| LANGUAGE plpgsql | |
| AS $function$ | |
| declare | |
| struuid uuid; | |
| begin | |
| struuid = str::uuid; | |
| RETURN null; | |
| EXCEPTION WHEN invalid_text_representation THEN | |
| RETURN str; | |
| END; | |
| $function$ | |
| ; |
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