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MERGE command is not mentioned in the list of commands for variable substitution 3+ messages / 2 participants [nested] [flat]
* MERGE command is not mentioned in the list of commands for variable substitution @ 2025-11-10 14:29 PG Doc comments form <[email protected]> 0 siblings, 1 reply; 3+ messages in thread From: PG Doc comments form @ 2025-11-10 14:29 UTC (permalink / raw) To: [email protected]; +Cc: [email protected] The following documentation comment has been logged on the website: Page: https://www.postgresql.org/docs/18/plpgsql-implementation.html Description: In the last paragraph of the section 41.11.1. "Variable Substitution" there is such a sentence -- "Variable substitution currently works only in SELECT, INSERT, UPDATE, DELETE, and commands containing one of these..." https://www.postgresql.org/docs/current/plpgsql-implementation.html#PLPGSQL-VAR-SUBST But experiments showed that variable substitution works for MERGE command too. ^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: MERGE command is not mentioned in the list of commands for variable substitution @ 2025-11-10 21:44 David Rowley <[email protected]> parent: PG Doc comments form <[email protected]> 0 siblings, 1 reply; 3+ messages in thread From: David Rowley @ 2025-11-10 21:44 UTC (permalink / raw) To: [email protected]; [email protected] On Tue, 11 Nov 2025 at 05:52, PG Doc comments form <[email protected]> wrote: > "Variable substitution currently works only in SELECT, INSERT, UPDATE, > DELETE, and commands containing one of these..." > https://www.postgresql.org/docs/current/plpgsql-implementation.html#PLPGSQL-VAR-SUBST > But experiments showed that variable substitution works for MERGE command > too. Thanks for the report. You're right that this has been overlooked. The attached patch fixes it. I can take care of this once the back branches are open again after the minor releases are out. David Attachments: [application/octet-stream] v1-0001-Doc-include-MERGE-in-variable-substitution-comman.patch (1.8K, 2-v1-0001-Doc-include-MERGE-in-variable-substitution-comman.patch) download | inline diff: From 313853cc67de66e76d50854fb6b5218d49c53fc1 Mon Sep 17 00:00:00 2001 From: David Rowley <[email protected]> Date: Tue, 11 Nov 2025 10:35:06 +1300 Subject: [PATCH v1] Doc: include MERGE in variable substitution command list Author: David Rowley <[email protected]> Reported-by: [email protected] Discussion: https://postgr.es/m/[email protected] --- doc/src/sgml/plpgsql.sgml | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/doc/src/sgml/plpgsql.sgml b/doc/src/sgml/plpgsql.sgml index b561b4cc580..561f6e50d63 100644 --- a/doc/src/sgml/plpgsql.sgml +++ b/doc/src/sgml/plpgsql.sgml @@ -4962,13 +4962,13 @@ $$ LANGUAGE plpgsql; <para> Variable substitution currently works only in <command>SELECT</command>, <command>INSERT</command>, <command>UPDATE</command>, - <command>DELETE</command>, and commands containing one of - these (such as <command>EXPLAIN</command> and <command>CREATE TABLE - ... AS SELECT</command>), - because the main SQL engine allows query parameters only in these - commands. To use a non-constant name or value in other statement - types (generically called utility statements), you must construct - the utility statement as a string and <command>EXECUTE</command> it. + <command>DELETE</command>, <command>MERGE</command> and commands + containing one of these (such as <command>EXPLAIN</command> and + <command>CREATE TABLE ... AS SELECT</command>), because the main SQL + engine allows query parameters only in these commands. To use a + non-constant name or value in other statement types (generically called + utility statements), you must construct the utility statement as a string + and <command>EXECUTE</command> it. </para> </sect2> -- 2.40.1.windows.1 ^ permalink raw reply [nested|flat] 3+ messages in thread
* Re: MERGE command is not mentioned in the list of commands for variable substitution @ 2025-11-16 21:53 David Rowley <[email protected]> parent: David Rowley <[email protected]> 0 siblings, 0 replies; 3+ messages in thread From: David Rowley @ 2025-11-16 21:53 UTC (permalink / raw) To: [email protected]; [email protected] On Tue, 11 Nov 2025 at 10:44, David Rowley <[email protected]> wrote: > The attached patch fixes it. I can take care of this once the back > branches are open again after the minor releases are out. Pushed. David ^ permalink raw reply [nested|flat] 3+ messages in thread
end of thread, other threads:[~2025-11-16 21:53 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed) -- links below jump to the message on this page -- 2025-11-10 14:29 MERGE command is not mentioned in the list of commands for variable substitution PG Doc comments form <[email protected]> 2025-11-10 21:44 ` David Rowley <[email protected]> 2025-11-16 21:53 ` David Rowley <[email protected]>
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