| Quellcodebibliothek Statistik Leitseite products/Sources/formale Sprachen/C/Postgres/src/include/utils/ (Postgres Database Version 18.4©) Datei vom 11.4.2026 mit Größe 1 kB |
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Quelle rls.hSprache: C |
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/*------------------------------------------------------------------------- * * rls.h * Header file for Row Level Security (RLS) utility commands to be used * with the rowsecurity feature. * * Copyright (c) 2007-2025, PostgreSQL Global Development Group * * src/include/utils/rls.h * *------------------------------------------------------------------------- */ #ifndef RLS_H #define RLS_H /* GUC variable */ extern PGDLLIMPORT bool row_security; /* * Used by callers of check_enable_rls. * * RLS could be completely disabled on the tables involved in the query, * which is the simple case, or it may depend on the current environment * (the role which is running the query or the value of the row_security * GUC), or it might be simply enabled as usual. * * If RLS isn't on the table involved then RLS_NONE is returned to indicate * that we don't need to worry about invalidating the query plan for RLS * reasons. If RLS is on the table, but we are bypassing it for now, then * we return RLS_NONE_ENV to indicate that, if the environment changes, * we need to invalidate and replan. Finally, if RLS should be turned on * for the query, then we return RLS_ENABLED, which means we also need to * invalidate if the environment changes. * * Note that RLS_ENABLED will also be returned if noError is true * (indicating that the caller simply want to know if RLS should be applied * for this user but doesn't want an error thrown if it is; this is used * by other error cases where we're just trying to decide if data from the * table should be passed back to the user or not). */ enum CheckEnableRlsResult { RLS_NONE, RLS_NONE_ENV, RLS_ENABLED, }; extern int check_enable_rls(Oid relid, Oid checkAsUser, bool noError); #endif /* RLS_H */
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2026-08-25