david=# DO $$ david$# BEGIN david$# WITH now AS (SELECT now()) david$# SELECT * from now; david$# END; david$# $$; ERROR: query has no destination for result data HINT: If you want to discard the results of a SELECT, use PERFORM instead. CONTEXT: PL/pgSQL function inline_code_block line 3 at SQL statement
This not so much:
david=# DO $$ david$# BEGIN david$# WITH now AS (SELECT now()) david$# PERFORM * from now; david$# END; david$# $$; ERROR: syntax error at or near "PERFORM" LINE 4: PERFORM * from now; ^ Parser bug in PL/pgSQL, perhaps?
no
you cannot use a PL/pgSQL statement inside SQL statement.
