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Disallow converting a table to a view if row security is present.

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When DefineQueryRewrite() is about to convert a table to a view, it checks
the table for features unavailable to views.  For example, it rejects tables
having triggers.  It omits to reject tables having relrowsecurity or a
pg_policy record. Fix that. To faciliate the repair, invent
relation_has_policies() which indicates the presence of policies on a
relation even when row security is disabled for that relation.

Reported by Noah Misch. Patch by me, review by Stephen Frost. Back-patch
to 9.5 where RLS was introduced.
This commit is contained in:
Joe Conway
2015-07-28 16:24:01 -07:00
parent f781a0f1d8
commit d824e2800f
5 changed files with 97 additions and 5 deletions
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src/include/commands/policy.h
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@@ -31,5 +31,6 @@ extern Oid get_relation_policy_oid(Oid relid, const char *policy_name,
extern ObjectAddress rename_policy(RenameStmt *stmt);
extern bool relation_has_policies(Relation rel);
#endif /* POLICY_H */