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Fix pg_dumpall to do something sane when a pre-8.1 installation has

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identically named user and group: we merge these into a single entity
with LOGIN permission.  Also, add ORDER BY commands to ensure consistent
dump ordering, for ease of comparing outputs from different installations.
This commit is contained in:
Tom Lane 2006-04-07 21:26:42 +00:00
parent a9351518a7
commit cd360f2484
1 changed files with 44 additions and 28 deletions
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72
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 1.69 2005/10/15 02:49:39 momjian Exp $
* $PostgreSQL: pgsql/src/bin/pg_dump/pg_dumpall.c,v 1.69.2.1 2006/04/07 21:26:42 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -419,7 +419,8 @@ dumpRoles(PGconn *conn)
"rolcreaterole, rolcreatedb, rolcatupdate, "
"rolcanlogin, rolconnlimit, rolpassword, "
"rolvaliduntil "
"FROM pg_authid");
"FROM pg_authid "
"ORDER BY 1");
else
printfPQExpBuffer(buf,
"SELECT usename as rolname, "
@ -444,7 +445,10 @@ dumpRoles(PGconn *conn)
"-1 as rolconnlimit, "
"null::text as rolpassword, "
"null::abstime as rolvaliduntil "
"FROM pg_group");
"FROM pg_group "
"WHERE NOT EXISTS (SELECT 1 FROM pg_shadow "
" WHERE usename = groname) "
"ORDER BY 1");
res = executeQuery(conn, buf->data);
@ -556,7 +560,8 @@ dumpRoleMembership(PGconn *conn)
"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 "
"LEFT JOIN pg_authid ug on ug.oid = a.grantor");
"LEFT JOIN pg_authid ug on ug.oid = a.grantor "
"ORDER BY 1,2,3");
if (PQntuples(res) > 0)
printf("--\n-- Role memberships\n--\n\n");
@ -595,7 +600,8 @@ dumpGroups(PGconn *conn)
PGresult *res;
int i;
res = executeQuery(conn, "SELECT groname, grolist FROM pg_group");
res = executeQuery(conn,
"SELECT groname, grolist FROM pg_group ORDER BY 1");
if (PQntuples(res) > 0)
printf("--\n-- Role memberships\n--\n\n");
@ -603,34 +609,43 @@ dumpGroups(PGconn *conn)
for (i = 0; i < PQntuples(res); i++)
{
char *groname = PQgetvalue(res, i, 0);
char *val;
char *tok;
char *grolist = PQgetvalue(res, i, 1);
PGresult *res2;
int j;
val = strdup(PQgetvalue(res, i, 1));
/*
* Array representation is {1,2,3} ... convert to (1,2,3)
*/
if (strlen(grolist) < 3)
continue;
tok = strtok(val, ",{}");
while (tok)
grolist = strdup(grolist);
grolist[0] = '(';
grolist[strlen(grolist) - 1] = ')';
printfPQExpBuffer(buf,
"SELECT usename FROM pg_shadow "
"WHERE usesysid IN %s ORDER BY 1",
grolist);
free(grolist);
res2 = executeQuery(conn, buf->data);
for (j = 0; j < PQntuples(res2); j++)
{
PGresult *res2;
int j;
char *usename = PQgetvalue(res2, j, 0);
printfPQExpBuffer(buf,
"SELECT usename FROM pg_shadow WHERE usesysid = %s",
tok);
/*
* Don't try to grant a role to itself; can happen if old
* installation has identically named user and group.
*/
if (strcmp(groname, usename) == 0)
continue;
res2 = executeQuery(conn, buf->data);
for (j = 0; j < PQntuples(res2); j++)
{
printf("GRANT %s", fmtId(groname));
printf(" TO %s;\n", fmtId(PQgetvalue(res2, j, 0)));
}
PQclear(res2);
tok = strtok(NULL, ",{}");
printf("GRANT %s", fmtId(groname));
printf(" TO %s;\n", fmtId(usename));
}
free(val);
PQclear(res2);
}
PQclear(res);
@ -656,7 +671,8 @@ dumpTablespaces(PGconn *conn)
"pg_catalog.pg_get_userbyid(spcowner) AS spcowner, "
"spclocation, spcacl "
"FROM pg_catalog.pg_tablespace "
"WHERE spcname NOT LIKE 'pg!_%' ESCAPE '!'");
"WHERE spcname !~ '^pg_' "
"ORDER BY 1");
if (PQntuples(res) > 0)
printf("--\n-- Tablespaces\n--\n\n");