{"id":92114,"date":"2020-08-23T19:41:56","date_gmt":"2020-08-23T17:41:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/realizacziya-rolevoj-modeli-dostupa-s-ispolzovaniem-row-level-security-v-postgresql"},"modified":"2020-08-23T19:41:56","modified_gmt":"2020-08-23T17:41:56","slug":"realizacziya-rolevoj-modeli-dostupa-s-ispolzovaniem-row-level-security-v-postgresql","status":"publish","type":"post","link":"https:\/\/prohoster.info\/bg\/blog\/administrirovanie\/realizacziya-rolevoj-modeli-dostupa-s-ispolzovaniem-row-level-security-v-postgresql","title":{"rendered":"\u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0440\u043e\u043b\u0435\u0432\u043e\u0439 \u043c\u043e\u0434\u0435\u043b\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c Row Level Security \u0432 PostgreSQL","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

\u0420\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0442\u0435\u043c\u044b \u042d\u0442\u044e\u0434 \u043f\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 Row Level Secutity \u0432 PostgreSQL<\/a><\/noindex> \u0438 \u0434\u043b\u044f \u0440\u0430\u0437\u0432\u0435\u0440\u043d\u0443\u0442\u043e\u0433\u043e \u043e\u0442\u0432\u0435\u0442\u0430<\/b> \u043d\u0430 \u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439.<\/a><\/noindex><\/p>\n

\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0441\u0442\u0440\u0430\u0442\u0435\u0433\u0438\u044f \u043f\u043e\u0434\u0440\u0430\u0437\u0443\u043c\u0435\u0432\u0430\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u0438 \u00ab\u0411\u0438\u0437\u043d\u0435\u0441-\u043b\u043e\u0433\u0438\u043a\u0430 \u0432 \u0411\u0414\u00bb, \u0447\u0442\u043e \u0431\u044b\u043b\u043e \u0447\u0443\u0442\u044c \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435 \u043e\u043f\u0438\u0441\u0430\u043d\u043e \u0437\u0434\u0435\u0441\u044c \u2014 \u042d\u0442\u044e\u0434 \u043f\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0431\u0438\u0437\u043d\u0435\u0441-\u043b\u043e\u0433\u0438\u043a\u0438 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u0445\u0440\u0430\u043d\u0438\u043c\u044b\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 PostgreSQL<\/a><\/noindex><\/p>\n

\u0422\u0435\u043e\u0440\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0447\u0430\u0441\u0442\u044c \u043e\u0442\u043b\u0438\u0447\u043d\u043e \u043e\u043f\u0438\u0441\u0430\u043d\u0430 \u0432 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0438 Postgres Pro<\/a><\/noindex> \u2014 \u041f\u043e\u043b\u0438\u0442\u0438\u043a\u0438 \u0437\u0430\u0449\u0438\u0442\u044b \u0441\u0442\u0440\u043e\u043a<\/a><\/noindex>. \u041d\u0438\u0436\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u043e\u0439 \u0431\u0438\u0437\u043d\u0435\u0441 \u0437\u0430\u0434\u0430\u0447\u0438 \u2014 \u0440\u043e\u043b\u0435\u0432\u0430\u044f \u043c\u043e\u0434\u0435\u043b\u044c \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0434\u0430\u043d\u043d\u044b\u043c.<\/b><\/p>\n

\"\u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f<\/p>\n

\u0412 \u0441\u0442\u0430\u0442\u044c\u0435 \u043d\u0438\u0447\u0435\u0433\u043e \u043d\u043e\u0432\u043e\u0433\u043e, \u043d\u0435\u0442 \u0441\u043a\u0440\u044b\u0442\u043e\u0433\u043e \u0441\u043c\u044b\u0441\u043b\u0430 \u0438 \u0442\u0430\u0439\u043d\u044b\u0445 \u0437\u043d\u0430\u043d\u0438\u0439. \u041f\u0440\u043e\u0441\u0442\u043e \u0437\u0430\u0440\u0438\u0441\u043e\u0432\u043a\u0430 \u043e \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0442\u0435\u043e\u0440\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0438\u0434\u0435\u0438. \u0415\u0441\u043b\u0438 \u043a\u043e\u043c\u0443 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e \u2014 \u0447\u0438\u0442\u0430\u0439\u0442\u0435. \u041a\u043e\u043c\u0443 \u043d\u0435 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e \u2014 \u043d\u0435 \u0442\u0440\u0430\u0442\u044c\u0442\u0435 \u0441\u0432\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u0437\u0440\u044f.<\/p><\/blockquote>\n

<\/a><\/noindex><\/p>\n

\u041f\u043e\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0437\u0430\u0434\u0430\u0447\u0438<\/h2>\n

\n\u041d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0440\u0430\u0437\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043d\u0430 \u043f\u0440\u043e\u0441\u043c\u043e\u0442\u0440\/\u0432\u0441\u0442\u0430\u0432\u043a\u0443\/\u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435\/\u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430 \u0432 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u0440\u043e\u043b\u044c\u044e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f. \u041f\u043e\u0434 \u0440\u043e\u043b\u044c\u044e \u043f\u043e\u0434\u0440\u0430\u0437\u0443\u043c\u0435\u0432\u0430\u0435\u0442\u0441\u044f \u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0442\u0430\u0431\u043b\u0438\u0446\u0435 roles<\/b> \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u043e\u0439 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435\u043c \u043c\u043d\u043e\u0433\u0438\u0435-\u043a\u043e-\u043c\u043d\u043e\u0433\u0438\u043c \u0441 \u0442\u0430\u0431\u043b\u0438\u0446\u0435\u0439 users<\/b>. \u0414\u0435\u0442\u0430\u043b\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0442\u0430\u0431\u043b\u0438\u0446, \u043f\u043e \u043f\u0440\u0438\u0447\u0438\u043d\u0435 \u0442\u0440\u0438\u0432\u0438\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438, \u043e\u043f\u0443\u0449\u0435\u043d\u044b. \u0422\u0430\u043a\u0436\u0435 \u043e\u043f\u0443\u0449\u0435\u043d\u044b \u043a\u043e\u043d\u043a\u0440\u0435\u0442\u043d\u044b\u0435 \u0434\u0435\u0442\u0430\u043b\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0435 \u0441 \u043f\u0440\u0435\u0434\u043c\u0435\u0442\u043d\u043e\u0439 \u043e\u0431\u043b\u0430\u0441\u0442\u044c\u044e.<\/p>\n

\u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f<\/h2>\n

<\/p>\n

\u0421\u043e\u0437\u0434\u0430\u0435\u043c \u0440\u043e\u043b\u0438, \u0441\u0445\u0435\u043c\u044b, \u0442\u0430\u0431\u043b\u0438\u0446\u0443<\/h4>\n

<\/p>\n

\u0421\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u0411\u0414<\/b><\/p>\n

CREATE ROLE store;\nCREATE SCHEMA store AUTHORIZATION store;\nCREATE TABLE store.docs\n(\n  id integer ,         --id \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\n  man_id integer , --id \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\n  stat_id integer ,  --id \u0441\u0442\u0430\u0442\u0443\u0441\u0430 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\n  ...\n  is_del BOOLEAN DEFAULT FALSE \n);\nALTER TABLE store.docs ADD CONSTRAINT doc_pk PRIMARY KEY (id);\nALTER TABLE store.docs OWNER TO store ;\n<\/code><\/pre>\n
<\/p>\n
\u0421\u043e\u0437\u0434\u0430\u0435\u043c \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0434\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 RLS<\/h4>\n
\n\u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c SELECT \u0441\u0442\u0440\u043e\u043a\u0438<\/p>\n
                        check_select<\/b><\/p>\n
CREATE OR REPLACE FUNCTION store.check_select ( current_id store.docs.id%TYPE ) RETURNS boolean AS $$\nDECLARE\n  result boolean ;\n  curr_pid integer ;\n  curr_stat_id integer ;\n  doc_man_id integer ;\nBEGIN \n  -- DBA \u0438\u043c\u0435\u0435\u0442 \u0434\u043e\u0441\u0442\u0443\u043f \u043a\u043e \u0432\u0441\u0435\u043c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u043c\n  IF SESSION_USER = 'curr_dba'\n  THEN\n    RETURN TRUE ;\n  END IF ;\n  --------------------------------\n\n  --\u0415\u0441\u043b\u0438 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 \u0438\u043c\u0435\u0435\u0442 \u043c\u0435\u0442\u043a\u0443 '\u0443\u0434\u0430\u043b\u0435\u043d' - \u043d\u0435 \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0442\u044c \u0432 \u0432\u044b\u0431\u043e\u0440\u043a\u0435\n  SELECT\n    is_del\n  INTO\n    result\n  FROM\n    store.docs\n  WHERE\n    id = current_id ;\n IF result = TRUE\n THEN\n   RETURN FALSE ;\n END IF ;\n --------------------------------\n\n --\u041f\u043e\u043b\u0443\u0447\u0438\u0442\u044c id \u0442\u0435\u043a\u0443\u0449\u0435\u0433\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f\n SELECT\n   service_function.get_curr_pid ()\n INTO\n   curr_pid ;\n --------------------------------\n\n --\u041f\u043e\u043b\u0443\u0447\u0438\u0442\u044c id \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\n SELECT\n   man_id\n INTO\n   doc_man_id\n FROM\n   store.docs\n WHERE\n   id = current_id ;\n --------------------------------\n\n --\u0415\u0441\u043b\u0438 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430 \u043d\u0435 \u0442\u0435\u043a\u0443\u0449\u0438\u0439 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0438\u043b\u0438 \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440 \u043d\u0435 \u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\n --\u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 \u0432 \u0432\u044b\u0431\u043e\u0440\u043a\u0443\n IF doc_man_id != curr_pid OR doc_man_id IS NULL\n THEN\n   RETURN TRUE  ;\n ELSE\n   --\u041f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0442\u0435\u043a\u0443\u0449\u0438\u0439 \u0441\u0442\u0430\u0442\u0443\u0441 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\n   SELECT\n     stat_id                                         \n   INTO\n     curr_statid\n   FROM\n     store.docs\n   WHERE\n     id = current_id ;\n    \n   --\u0415\u0441\u043b\u0438 \u0441\u0442\u0430\u0442\u0443\u0441 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043f\u0440\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 - \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 \u0432 \u0432\u044b\u0431\u043e\u0440\u043a\u0443                     \n   IF curr_statid = 4 OR curr_statid = 9\n   THEN\n     RETURN TRUE ;\n   ELSE\n   --\u0418\u043d\u0430\u0447\u0435 - \u0438\u0441\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 \u0438\u0437 \u0432\u044b\u0431\u043e\u0440\u043a\u0438\n     RETURN FALSE ;\n    END IF ;\n  END IF ;\n  --------------------------------\n\n RETURN FALSE ;\nEND\n$$ LANGUAGE plpgsql SECURITY DEFINER;\nALTER FUNCTION store.check_select( store.docs.id%TYPE  ) OWNER TO store ;\nREVOKE EXECUTE ON FUNCTION store.check_select( store.docs.id%TYPE  ) FROM public; \nGRANT EXECUTE ON FUNCTION store.check_select( store.docs.id%TYPE  ) TO service_functions; \n<\/code><\/pre>\n
\n\u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c INSERT \u0441\u0442\u0440\u043e\u043a\u0438<\/p>\n
                        check_insert<\/b><\/p>\n
CREATE OR REPLACE FUNCTION store.check_insert ( current_id store.docs.id%TYPE ) RETURNS boolean AS $$\nDECLARE\n  curr_role_id integer ;\nBEGIN\n  --DBA \u043c\u043e\u0436\u0435\u0442 \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0442\u044c \u0441\u0442\u0440\u043e\u043a\u0443 \u0432 \u043b\u044e\u0431\u043e\u043c \u0441\u043b\u0443\u0447\u0430\u0435\n  IF SESSION_USER = 'curr_dba'\n  THEN\n    RETURN TRUE ;\n  END IF ;\n  --------------------------------\n\n --\u041f\u043e\u043b\u0443\u0447\u0438\u0442\u044c id \u0440\u043e\u043b\u0438 \u0442\u0435\u043a\u0443\u0449\u0435\u0433\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \n SELECT\n   service_functions.current_rid()\n  INTO\n    curr_role_id ;\n --------------------------------\n\n--\u0415\u0441\u043b\u0438 \u0440\u043e\u043b\u044c \u0434\u043e\u043f\u0443\u0441\u043a\u0430\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043d\u043e\u0432\u043e\u0433\u043e \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\n--\u0440\u0430\u0437\u0440\u0435\u0448\u0438\u0442\u044c\nIF curr_role_id = 3 OR curr_role_id = 5     \nTHEN\n  RETURN TRUE ;\nEND IF ;\n--------------------------------\nRETURN FALSE  ;\nEND\n$$ LANGUAGE plpgsql SECURITY DEFINER;\nALTER FUNCTION store.check_insert( store.docs.id%TYPE  ) OWNER TO store ;\nREVOKE EXECUTE ON FUNCTION store.check_insert( store.docs.id%TYPE  ) FROM public;\nGRANT EXECUTE ON FUNCTION store.check_insert( store.docs.id%TYPE  ) TO service_functions; \n<\/code><\/pre>\n
\n\u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c DELETE \u0441\u0442\u0440\u043e\u043a\u0438<\/p>\n
                        check_delete<\/b><\/p>\n
CREATE OR REPLACE FUNCTION store.check_delete ( current_id store.docs.id%TYPE )\nRETURNS boolean AS $$\nBEGIN  \n  --\u0422\u043e\u043b\u044c\u043a\u043e DBA \u043c\u043e\u0436\u0435\u0442 \u0443\u0434\u0430\u043b\u044f\u0442\u044c \u0441\u0442\u0440\u043e\u043a\u0443 \n  IF SESSION_USER = 'curr_dba'\n  THEN\n    RETURN TRUE ;\n  END IF ;\n  --------------------------------\n\n  RETURN FALSE ;\nEND\n$$ LANGUAGE plpgsql\nSECURITY DEFINER;\nALTER FUNCTION store.check_delete( store.docs.id%TYPE  ) OWNER TO store ;\nREVOKE EXECUTE ON FUNCTION store.check_delete( store.docs.id%TYPE  ) FROM public;<\/code><\/pre>\n
\n\u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0432\u044b\u043f\u043e\u043b\u043d\u0438\u0442\u044c UPDATE \u0441\u0442\u0440\u043e\u043a\u0438.<\/p>\n
                        update_using<\/b><\/p>\n
CREATE OR REPLACE FUNCTION store.update_using ( current_id store.docs.id%TYPE , is_del boolean  )\nRETURNS boolean AS $$\nBEGIN  \n   --\u0414\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u044b \u0438\u043c\u0435\u044e\u0449\u0438\u0435 \u0441\u0442\u0430\u0442\u0443\u0441 '\u0443\u0434\u0430\u043b\u0435\u043d' - \u043d\u0435 \u0440\u0435\u0434\u0430\u043a\u0442\u0438\u0440\u0443\u044e\u0442\u0441\u044f\n   IF is_del \n   THEN\n     RETURN FALSE ;\n ELSE\n    RETURN TRUE ;\n  END IF ;\n\nEND\n$$ LANGUAGE plpgsql SECURITY DEFINER;\nALTER FUNCTION store.update_using(  store.docs.id%TYPE ,  boolean  ) OWNER TO store ;\nREVOKE EXECUTE ON FUNCTION store.update_using(  store.docs.id%TYPE ,  boolean  ) FROM public;\nGRANT EXECUTE ON FUNCTION store.update_using( store.docs.id%TYPE  ) TO service_functions;<\/code><\/pre>\n
<\/p>\n
                        update_check<\/b><\/p>\n
CREATE OR REPLACE FUNCTION store.update_with_check ( current_id store.docs.id%TYPE , is_del boolean )\nRETURNS boolean AS $$\nDECLARE\n  current_rid integer ;\n  current_statid integer ;\nBEGIN                \n\n  --DBA \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u043e\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0442\u044c \u0441\u0442\u0440\u043e\u043a\u0443 \n  IF SESSION_USER = 'curr_dba'\n  THEN\n    RETURN TRUE ;\n  END IF ;\n  --------------------------------\n\n --\u041f\u043e\u043b\u0443\u0447\u0438\u0442\u044c id \u0440\u043e\u043b\u0438 \u0442\u0435\u043a\u0443\u0449\u0435\u0433\u043e \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \n SELECT\n   service_functions.current_rid()\n  INTO\n    curr_role_id ;\n --------------------------------                            \n\n --\u0423\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430 - \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u0437\u043d\u0430\u043a\u0430 \n IF is_deleted\n THEN\n   --\u0415\u0441\u043b\u0438 \u0440\u043e\u043b\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f ***\n   IF current_role_id = 3        \n   THEN\n      SELECT\n        stat_id                                          \n      INTO\n        curr_statid\n      FROM\n        store.docs\n      WHERE\n        id = current_id ;\n\n      --\u0414\u043e\u043a\u0443\u043c\u0435\u043d\u0442 \u0432 \u0441\u0442\u0430\u0442\u0443\u0441\u0435 *** \u043d\u0435\u043b\u044c\u0437\u044f \u0443\u0434\u0430\u043b\u0438\u0442\u044c \n      IF current_status_id = 11\n      THEN\n         RETURN FALSE ;\n      ELSE\n      --\u041c\u043e\u0436\u043d\u043e \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442 \u0432 \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0442\u0430\u0442\u0443\u0441\u0430\u0445\n        RETURN TRUE ;\n      END IF ;\n\n    --\u0418\u043d\u0430\u0447\u0435 , \u0435\u0441\u043b\u0438 \u0440\u043e\u043b\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f ***\n    ELSIF current_role_id = 5            \n    THEN\n      --\u0412\u0441\u0435 \u0441\u0442\u0430\u0442\u0443\u0441\u044b \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430 \n      RETURN TRUE ;\n    ELSE\n      --\u0414\u0440\u0443\u0433\u0438\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u043d\u0435 \u043c\u043e\u0433\u0443\u0442 \u0443\u0434\u0430\u043b\u044f\u0442\u044c \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u044b\n      RETURN FALSE ;\n    END IF ;\n ELSE      \n   --\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430 \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u043e\n    RETURN TRUE ;\nEND IF ;\n\nRETURN FALSE ;\nEND\n$$ LANGUAGE plpgsql SECURITY DEFINER;\nALTER FUNCTION store.update_with_check( storg.docs.id%TYPE ,  boolean   ) OWNER TO store ;\nREVOKE EXECUTE ON FUNCTION store.update_with_check( storg.docs.id%TYPE ,  boolean   )  FROM public;\nGRANT EXECUTE ON FUNCTION store.update_with_check( store.docs.id%TYPE  ) TO service_functions;<\/code><\/pre>\n
\n\u0412\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043f\u043e\u043b\u0438\u0442\u0438\u043a\u0438 Row Level Secutiry \u0434\u043b\u044f \u0442\u0430\u0431\u043b\u0438\u0446\u044b.<\/p>\n
                        ENABLE ROW LEVEL SECURITY<\/b><\/p>\n
ALTER TABLE store.docs ENABLE ROW LEVEL SECURITY ;\n\nCREATE POLICY doc_select ON store.docs FOR SELECT TO service_functions USING ( (SELECT store.check_select(id)) );\nCREATE POLICY doc_insert ON store.docs FOR INSERT TO service_functions WITH CHECK ( (SELECT store.check_insert(id)) );\nCREATE POLICY docs_delete ON store.docs FOR DELETE TO service_functions USING ( (SELECT store.check_delete(id)) );\n\nCREATE POLICY doc_update_using ON store.docs FOR UPDATE TO service_functions USING ( (SELECT store.update_using(id , is_del )) );\nCREATE POLICY doc_update_check ON store.docs FOR UPDATE TO service_functions  WITH CHECK ( (SELECT store.update_with_check(id , is_del )) );<\/code><\/pre>\n
<\/p>\n
\u0418\u0442\u043e\u0433<\/h2>\n
\n\u042d\u0442\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442.<\/p>\n
\u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u0430\u044f \u0441\u0442\u0440\u0430\u0442\u0435\u0433\u0438\u044f \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043b\u0430 \u043f\u0435\u0440\u0435\u043d\u0435\u0441\u0442\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0440\u043e\u043b\u0435\u0432\u043e\u0439 \u043c\u043e\u0434\u0435\u043b\u0438 \u0441 \u0443\u0440\u043e\u0432\u043d\u044f \u0431\u0438\u0437\u043d\u0435\u0441-\u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u043d\u0430 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445. <\/p>\n
\u0424\u0443\u043d\u043a\u0446\u0438\u0438 \u043c\u043e\u0433\u0443\u0442 \u0431\u044b\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u044b \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0448\u0430\u0431\u043b\u043e\u043d\u0430 \u0434\u043b\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u0431\u043e\u043b\u0435\u0435 \u0438\u0437\u043e\u0449\u0440\u0435\u043d\u043d\u044b\u0445 \u043c\u043e\u0434\u0435\u043b\u0435\u0439 \u0441\u043a\u0440\u044b\u0442\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445, \u0435\u0441\u043b\u0438 \u0442\u043e\u0433\u043e \u0442\u0440\u0435\u0431\u0443\u044e\u0442 \u0431\u0438\u0437\u043d\u0435\u0441-\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f.
\n
\u0418\u0437\u0442\u043e\u0447\u043d\u0438\u043a: habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
\u0420\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0442\u0435\u043c\u044b \u042d\u0442\u044e\u0434 \u043f\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 Row Level Secutity \u0432 PostgreSQL \u0438 \u0434\u043b\u044f \u0440\u0430\u0437\u0432\u0435\u0440\u043d\u0443\u0442\u043e\u0433\u043e \u043e\u0442\u0432\u0435\u0442\u0430 \u043d\u0430 \u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439. \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0441\u0442\u0440\u0430\u0442\u0435\u0433\u0438\u044f \u043f\u043e\u0434\u0440\u0430\u0437\u0443\u043c\u0435\u0432\u0430\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u0438 \u00ab\u0411\u0438\u0437\u043d\u0435\u0441-\u043b\u043e\u0433\u0438\u043a\u0430 \u0432 \u0411\u0414\u00bb, \u0447\u0442\u043e \u0431\u044b\u043b\u043e \u0447\u0443\u0442\u044c \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435 \u043e\u043f\u0438\u0441\u0430\u043d\u043e \u0437\u0434\u0435\u0441\u044c \u2014 \u042d\u0442\u044e\u0434 \u043f\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0431\u0438\u0437\u043d\u0435\u0441-\u043b\u043e\u0433\u0438\u043a\u0438 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u0445\u0440\u0430\u043d\u0438\u043c\u044b\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 PostgreSQL \u0422\u0435\u043e\u0440\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0447\u0430\u0441\u0442\u044c \u043e\u0442\u043b\u0438\u0447\u043d\u043e \u043e\u043f\u0438\u0441\u0430\u043d\u0430 \u0432 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0438 Postgres Pro \u2014 \u041f\u043e\u043b\u0438\u0442\u0438\u043a\u0438 \u0437\u0430\u0449\u0438\u0442\u044b \u0441\u0442\u0440\u043e\u043a. \u041d\u0438\u0436\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u0430 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":92115,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-92114","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47\u0420\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0440\u043e\u043b\u0435\u0432\u043e\u0439 \u043c\u043e\u0434\u0435\u043b\u0438 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c Row Level Security \u0432 PostgreSQL | ProHoster","description":"\u0420\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0442\u0435\u043c\u044b \u042d\u0442\u044e\u0434 \u043f\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 Row Level Secutity \u0432 PostgreSQL \u0438 \u0434\u043b\u044f \u0440\u0430\u0437\u0432\u0435\u0440\u043d\u0443\u0442\u043e\u0433\u043e \u043e\u0442\u0432\u0435\u0442\u0430 \u043d\u0430 \u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439. \u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0441\u0442\u0440\u0430\u0442\u0435\u0433\u0438\u044f \u043f\u043e\u0434\u0440\u0430\u0437\u0443\u043c\u0435\u0432\u0430\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u0438 \u00ab\u0411\u0438\u0437\u043d\u0435\u0441-\u043b\u043e\u0433\u0438\u043a\u0430 \u0432 \u0411\u0414\u00bb, \u0447\u0442\u043e \u0431\u044b\u043b\u043e \u0447\u0443\u0442\u044c \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u0435\u0435 \u043e\u043f\u0438\u0441\u0430\u043d\u043e \u0437\u0434\u0435\u0441\u044c \u2014 \u042d\u0442\u044e\u0434 \u043f\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0431\u0438\u0437\u043d\u0435\u0441-\u043b\u043e\u0433\u0438\u043a\u0438 \u043d\u0430 \u0443\u0440\u043e\u0432\u043d\u0435 \u0445\u0440\u0430\u043d\u0438\u043c\u044b\u0445 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 PostgreSQL \u0422\u0435\u043e\u0440\u0435\u0442\u0438\u0447\u0435\u0441\u043a\u0430\u044f \u0447\u0430\u0441\u0442\u044c \u043e\u0442\u043b\u0438\u0447\u043d\u043e \u043e\u043f\u0438\u0441\u0430\u043d\u0430 \u0432 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0438 Postgres Pro \u2014 \u041f\u043e\u043b\u0438\u0442\u0438\u043a\u0438 \u0437\u0430\u0449\u0438\u0442\u044b \u0441\u0442\u0440\u043e\u043a. \u041d\u0438\u0436\u0435 \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u0430 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