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Remove db_user_namespace.

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This feature was intended to be a temporary measure to support
per-database user names.  A better one hasn't materialized in the
~21 years since it was added, and nobody claims to be using it, so
let's just remove it.

Reviewed-by: Michael Paquier, Magnus Hagander
Discussion: https://postgr.es/m/20230630200509.GA2830328%40nathanxps13
Discussion: https://postgr.es/m/20230630215608.GD2941194%40nathanxps13
This commit is contained in:
Nathan Bossart
2023-07-17 11:44:59 -07:00
parent 2c2eb0d6b2
commit 884eee5bfb
8 changed files with 0 additions and 105 deletions
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5
src/backend/libpq/auth.c
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@@ -873,11 +873,6 @@ CheckMD5Auth(Port *port, char *shadow_pass, const char **logdetail)
char *passwd;
int result;
if (Db_user_namespace)
ereport(FATAL,
(errcode(ERRCODE_INVALID_AUTHORIZATION_SPECIFICATION),
errmsg("MD5 authentication is not supported when \"db_user_namespace\" is enabled")));
/* include the salt to use for computing the response */
if (!pg_strong_random(md5Salt, 4))
{