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Fix pg_dumpall to restore its ability to dump from ancient servers.
Fix breakage induced by commitsd8d3d2a4f3
and463f2625a5
: pg_dumpall has crashed when attempting to dump from pre-8.1 servers since then, due to faulty construction of the query used for dumping roles from older servers. The query was erroneous as of the earlier commit, but it wasn't exposed unless you tried to use --binary-upgrade, which you presumably wouldn't with a pre-8.1 server. However commit463f2625a
made it fail always. In HEAD, also fix additional breakage induced in the same query by commit491c029dbc
, which evidently wasn't tested against pre-8.1 servers either. The bug is only latent in 9.1 because463f2625a
hadn't landed yet, but it seems best to back-patch all branches containing the faulty query. Gilles Darold
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parent
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@ -700,7 +700,7 @@ dumpRoles(PGconn *conn)
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"ORDER BY 2");
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else
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printfPQExpBuffer(buf,
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"SELECT 0, usename as rolname, "
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"SELECT 0 as oid, usename as rolname, "
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"usesuper as rolsuper, "
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"true as rolinherit, "
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"usesuper as rolcreaterole, "
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@ -714,7 +714,7 @@ dumpRoles(PGconn *conn)
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"usename = current_user AS is_current_user "
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"FROM pg_shadow "
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"UNION ALL "
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"SELECT 0, groname as rolname, "
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"SELECT 0 as oid, groname as rolname, "
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"false as rolsuper, "
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"true as rolinherit, "
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"false as rolcreaterole, "
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@ -724,7 +724,8 @@ dumpRoles(PGconn *conn)
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"null::text as rolpassword, "
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"null::abstime as rolvaliduntil, "
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"false as rolreplication, "
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"null as rolcomment, false "
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"null as rolcomment, "
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"false AS is_current_user "
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"FROM pg_group "
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"WHERE NOT EXISTS (SELECT 1 FROM pg_shadow "
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" WHERE usename = groname) "
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