Re: postgres_fdw: Useless if-test in GetConnection() - Mailing list pgsql-hackers

From Daniel Gustafsson
Subject Re: postgres_fdw: Useless if-test in GetConnection()
Date
Msg-id D7DDEE03-A38F-42E3-B946-7206B1D2B78A@yesql.se
Whole thread Raw
In response to postgres_fdw: Useless if-test in GetConnection()  (Etsuro Fujita <etsuro.fujita@gmail.com>)
Responses Re: postgres_fdw: Useless if-test in GetConnection()  (Etsuro Fujita <etsuro.fujita@gmail.com>)
List pgsql-hackers
> On 15 Mar 2023, at 11:18, Etsuro Fujita <etsuro.fujita@gmail.com> wrote:

> While working on something else, I noticed that the “if (entry->conn
> == NULL)” test after doing disconnect_pg_server() when re-establishing
> a given connection in GetConnection() is pointless, because the former
> function ensures that entry->conn is NULL.  So I removed the if-test.
> Attached is a patch for that.

LGTM, nice catch.

> I think we could instead add an assertion, but I did not, because we already
> have it in make_new_connection().

Agreed, the assertion in make_new_connection is enough (and is needed there).

--
Daniel Gustafsson




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