23.09.2024

Functions/univ_first_pg_varchar_.txt

+-- DROP FUNCTION schema_xyz.univ_first_pg(varchar);
+
+CREATE OR REPLACE FUNCTION schema_xyz.univ_first_pg(str character varying)
+ RETURNS character varying
+ LANGUAGE plpgsql
+AS $function$
+	
+DECLARE
+ergebnis varchar(2000);
+
+begin
+
+-- 3 because ', Univ...'
+select substr((regexp_matches(str, ', [A-Z ]*UNIV[A-Z ]*,'))[1], 3) ||' '|| 
+REPLACE(str, (regexp_matches(str, ', [A-Z ]*UNIV[A-Z ]*,'))[1],',') into ergebnis;
+
+if (ergebnis like 'UNIV STR%') 
+then return ltrim(rtrim(str));
+else 
+RETURN ltrim(rtrim(ergebnis));
+end if;
+end;
+$function$
+;
+ 
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