Can you remove or just ignore double ; too ? postgres=# do $$ declare var_x integer; begin var_x = 99;; delete from x where x = var_x; end; $$; ERROR: syntax error at or near ";" LINE 1: do $$ declare var_x integer; begin var_x = 99;; delete from ...
Atenciosamente, Em dom., 16 de jun. de 2024 às 11:12, Pavel Stehule <pavel.steh...@gmail.com> escreveu: > Hi, > > assigned patch try to solve issue reported by Mor Lehr (Missing semicolon > in anonymous plpgsql block does not raise syntax error). > > > https://www.postgresql.org/message-id/CALyvM2bp_CXMH_Gyq87pmHJRuZDEhV40u9VP8rX=canet2w...@mail.gmail.com > > by introducing a new extra error check. With this check only a_expr exprs > are allowed as plpgsql expressions. This is a small step to behaviour > described in SQL/PSM standard (although the language is different, the > expression syntax and features are almost similar. With this check the > undocumented (but supported syntax) > > var := column FROM tab > > is disallowed. Only ANSI syntax for embedded queries (inside assignment > statement) is allowed > > var := (SELECT column FROM tab); > > With this check, the reported issue (by Mor Lehr) is detected > > default setting > > CREATE TABLE foo3(id serial PRIMARY key, txt text); > INSERT INTO foo3 (txt) VALUES ('aaa'),('bbb'); > > DO $$ > DECLARE > l_cnt int; > BEGIN > l_cnt := 1 > DELETE FROM foo3 WHERE id=1; > END; $$ > > -- without reaction - just don't work > > (2024-06-16 16:05:55) postgres=# set plpgsql.extra_errors to > 'strict_expr_check'; > SET > (2024-06-16 16:06:43) postgres=# DO $$ > > DECLARE > l_cnt int; > BEGIN > l_cnt := 1 > DELETE FROM foo3 WHERE id=1; > END; $$; > ERROR: syntax error at or near "DELETE" > LINE 11: DELETE FROM foo3 WHERE id=1; > ^ > > This patch has three parts > > 1. Introduction strict_expr_check > 2. set strict_expr_check as default, and impact on regress tests > 3. revert @2 > > I don't propose to be strict_expr_check active by default. > > Comments, notes? > > Regards > > Pavel > > >
