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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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19
src/backend/postmaster/postmaster.c
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@@ -236,7 +236,6 @@ int AuthenticationTimeout = 60;
bool log_hostname; /* for ps display and logging */
bool Log_connections = false;
bool Db_user_namespace = false;
bool enable_bonjour = false;
char *bonjour_name;
@@ -2272,24 +2271,6 @@ retry1:
if (port->database_name == NULL || port->database_name[0] == '\0')
port->database_name = pstrdup(port->user_name);
if (Db_user_namespace)
{
/*
* If user@, it is a global user, remove '@'. We only want to do this
* if there is an '@' at the end and no earlier in the user string or
* they may fake as a local user of another database attaching to this
* database.
*/
if (strchr(port->user_name, '@') ==
port->user_name + strlen(port->user_name) - 1)
*strchr(port->user_name, '@') = '\0';
else
{
/* Append '@' and dbname */
port->user_name = psprintf("%s@%s", port->user_name, port->database_name);
}
}
if (am_walsender)
MyBackendType = B_WAL_SENDER;
else