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Avoid emitting empty role names in the GRANTED BY clause of GRANT ROLE

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when the grantor has been dropped.  This is a workaround for the fact
that we don't track the grantor as a shared dependency.
This commit is contained in:
Alvaro Herrera 2007-05-15 20:20:24 +00:00
parent fbef95ef13
commit d42e2b7502
1 changed files with 16 additions and 6 deletions
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22
src/bin/pg_dump/pg_dumpall.c
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@ -6,7 +6,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
*
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_dumpall.c,v 1.85 2006/11/21 22:19:46 tgl Exp $
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_dumpall.c,v 1.85.2.1 2007/05/15 20:20:24 alvherre Exp $
*
*-------------------------------------------------------------------------
*/
@ -589,8 +589,8 @@ dumpRoleMembership(PGconn *conn)
res = executeQuery(conn, "SELECT ur.rolname AS roleid, "
"um.rolname AS member, "
"ug.rolname AS grantor, "
"a.admin_option "
"a.admin_option, "
"ug.rolname AS grantor "
"FROM pg_auth_members a "
"LEFT JOIN pg_authid ur on ur.oid = a.roleid "
"LEFT JOIN pg_authid um on um.oid = a.member "
@ -604,14 +604,24 @@ dumpRoleMembership(PGconn *conn)
{
char *roleid = PQgetvalue(res, i, 0);
char *member = PQgetvalue(res, i, 1);
char *grantor = PQgetvalue(res, i, 2);
char *option = PQgetvalue(res, i, 3);
char *option = PQgetvalue(res, i, 2);
printf("GRANT %s", fmtId(roleid));
printf(" TO %s", fmtId(member));
if (*option == 't')
printf(" WITH ADMIN OPTION");
printf(" GRANTED BY %s;\n", fmtId(grantor));
/*
* We don't track the grantor very carefully in the backend, so cope
* with the possibility that it has been dropped.
*/
if (!PQgetisnull(res, i, 3))
{
char *grantor = PQgetvalue(res, i, 3);
printf(" GRANTED BY %s", fmtId(grantor));
}
printf(";\n");
}
PQclear(res);