-
+
PL/pgSQL - SQL Procedural Language
-
PL/pgSQL> functions can also be declared to return
- a set>, or table. Such a function generates its output by
- executing RETURN NEXT> for each desired element of the result
- set, or by using RETURN QUERY> to output the result of
+
PL/pgSQL> functions can also be declared to return a
+ group of values, either as a single row, or a group of rows, like a
+ table. Such a function generates its output by executing
+ RETURN NEXT> for each desired element of the result set,
+ or by using RETURN QUERY> to output the result of
evaluating a query.