Add system_views.sql to CVS.

1 files changed, 270 insertions, 0 deletions

diff --git a/src/backend/catalog/system_views.sql b/src/backend/catalog/system_views.sql
new file mode 100644
index 0000000000..524468fddb
--- /dev/null
+++ b/src/backend/catalog/system_views.sql
@@ -0,0 +1,270 @@
+

+

+

+CREATE VIEW pg_user AS 

+    SELECT 

+        usename, 

+        usesysid, 

+        usecreatedb, 

+        usesuper, 

+        usecatupd, 

+        '********'::text as passwd, 

+        valuntil, 

+        useconfig 

+    FROM pg_shadow;

+

+CREATE VIEW pg_rules AS 

+    SELECT 

+        N.nspname AS schemaname, 

+        C.relname AS tablename, 

+        R.rulename AS rulename, 

+        pg_get_ruledef(R.oid) AS definition 

+    FROM (pg_rewrite R JOIN pg_class C ON (C.oid = R.ev_class)) 

+        LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) 

+    WHERE R.rulename != '_RETURN';

+

+CREATE VIEW pg_views AS 

+    SELECT 

+        N.nspname AS schemaname, 

+        C.relname AS viewname, 

+        pg_get_userbyid(C.relowner) AS viewowner, 

+        pg_get_viewdef(C.oid) AS definition 

+    FROM pg_class C LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) 

+    WHERE C.relkind = 'v';

+

+CREATE VIEW pg_tables AS 

+    SELECT 

+        N.nspname AS schemaname, 

+        C.relname AS tablename, 

+        pg_get_userbyid(C.relowner) AS tableowner, 

+        C.relhasindex AS hasindexes, 

+        C.relhasrules AS hasrules, 

+        (C.reltriggers > 0) AS hastriggers 

+    FROM pg_class C LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) 

+    WHERE C.relkind = 'r';

+

+CREATE VIEW pg_indexes AS 

+    SELECT 

+        N.nspname AS schemaname, 

+        C.relname AS tablename, 

+        I.relname AS indexname, 

+        pg_get_indexdef(I.oid) AS indexdef 

+    FROM pg_index X JOIN pg_class C ON (C.oid = X.indrelid) 

+         JOIN pg_class I ON (I.oid = X.indexrelid) 

+         LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) 

+    WHERE C.relkind = 'r' AND I.relkind = 'i';

+

+CREATE VIEW pg_stats AS 

+    SELECT 

+        nspname AS schemaname, 

+        relname AS tablename, 

+        attname AS attname, 

+        stanullfrac AS null_frac, 

+        stawidth AS avg_width, 

+        stadistinct AS n_distinct, 

+        CASE 1 

+            WHEN stakind1 THEN stavalues1 

+            WHEN stakind2 THEN stavalues2 

+            WHEN stakind3 THEN stavalues3 

+            WHEN stakind4 THEN stavalues4 

+        END AS most_common_vals, 

+        CASE 1 

+            WHEN stakind1 THEN stanumbers1 

+            WHEN stakind2 THEN stanumbers2 

+            WHEN stakind3 THEN stanumbers3 

+            WHEN stakind4 THEN stanumbers4 

+        END AS most_common_freqs, 

+        CASE 2 

+            WHEN stakind1 THEN stavalues1 

+            WHEN stakind2 THEN stavalues2 

+            WHEN stakind3 THEN stavalues3 

+            WHEN stakind4 THEN stavalues4 

+        END AS histogram_bounds, 

+        CASE 3 

+            WHEN stakind1 THEN stanumbers1[1] 

+            WHEN stakind2 THEN stanumbers2[1] 

+            WHEN stakind3 THEN stanumbers3[1] 

+            WHEN stakind4 THEN stanumbers4[1] 

+        END AS correlation 

+    FROM pg_statistic s JOIN pg_class c ON (c.oid = s.starelid) 

+         JOIN pg_attribute a ON (c.oid = attrelid AND attnum = s.staattnum) 

+         LEFT JOIN pg_namespace n ON (n.oid = c.relnamespace) 

+    WHERE has_table_privilege(c.oid, 'select');

+

+REVOKE ALL on pg_statistic FROM public;

+

+CREATE VIEW pg_stat_all_tables AS 

+    SELECT 

+            C.oid AS relid, 

+            N.nspname AS schemaname, 

+            C.relname AS relname, 

+            pg_stat_get_numscans(C.oid) AS seq_scan, 

+            pg_stat_get_tuples_returned(C.oid) AS seq_tup_read, 

+            sum(pg_stat_get_numscans(I.indexrelid)) AS idx_scan, 

+            sum(pg_stat_get_tuples_fetched(I.indexrelid)) AS idx_tup_fetch, 

+            pg_stat_get_tuples_inserted(C.oid) AS n_tup_ins, 

+            pg_stat_get_tuples_updated(C.oid) AS n_tup_upd, 

+            pg_stat_get_tuples_deleted(C.oid) AS n_tup_del 

+    FROM pg_class C LEFT JOIN 

+         pg_index I ON C.oid = I.indrelid 

+         LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) 

+    WHERE C.relkind = 'r' 

+    GROUP BY C.oid, N.nspname, C.relname;

+

+CREATE VIEW pg_stat_sys_tables AS 

+    SELECT * FROM pg_stat_all_tables 

+    WHERE schemaname IN ('pg_catalog', 'pg_toast');

+

+CREATE VIEW pg_stat_user_tables AS 

+    SELECT * FROM pg_stat_all_tables 

+    WHERE schemaname NOT IN ('pg_catalog', 'pg_toast');

+

+CREATE VIEW pg_statio_all_tables AS 

+    SELECT 

+            C.oid AS relid, 

+            N.nspname AS schemaname, 

+            C.relname AS relname, 

+            pg_stat_get_blocks_fetched(C.oid) - 

+                    pg_stat_get_blocks_hit(C.oid) AS heap_blks_read, 

+            pg_stat_get_blocks_hit(C.oid) AS heap_blks_hit, 

+            sum(pg_stat_get_blocks_fetched(I.indexrelid) - 

+                    pg_stat_get_blocks_hit(I.indexrelid)) AS idx_blks_read, 

+            sum(pg_stat_get_blocks_hit(I.indexrelid)) AS idx_blks_hit, 

+            pg_stat_get_blocks_fetched(T.oid) - 

+                    pg_stat_get_blocks_hit(T.oid) AS toast_blks_read, 

+            pg_stat_get_blocks_hit(T.oid) AS toast_blks_hit, 

+            pg_stat_get_blocks_fetched(X.oid) - 

+                    pg_stat_get_blocks_hit(X.oid) AS tidx_blks_read, 

+            pg_stat_get_blocks_hit(X.oid) AS tidx_blks_hit 

+    FROM pg_class C LEFT JOIN 

+            pg_index I ON C.oid = I.indrelid LEFT JOIN 

+            pg_class T ON C.reltoastrelid = T.oid LEFT JOIN 

+            pg_class X ON T.reltoastidxid = X.oid 

+            LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) 

+    WHERE C.relkind = 'r' 

+    GROUP BY C.oid, N.nspname, C.relname, T.oid, X.oid;

+

+CREATE VIEW pg_statio_sys_tables AS 

+    SELECT * FROM pg_statio_all_tables 

+    WHERE schemaname IN ('pg_catalog', 'pg_toast');

+

+CREATE VIEW pg_statio_user_tables AS 

+    SELECT * FROM pg_statio_all_tables 

+    WHERE schemaname NOT IN ('pg_catalog', 'pg_toast');

+

+CREATE VIEW pg_stat_all_indexes AS 

+    SELECT 

+            C.oid AS relid, 

+            I.oid AS indexrelid, 

+            N.nspname AS schemaname, 

+            C.relname AS relname, 

+            I.relname AS indexrelname, 

+            pg_stat_get_numscans(I.oid) AS idx_scan, 

+            pg_stat_get_tuples_returned(I.oid) AS idx_tup_read, 

+            pg_stat_get_tuples_fetched(I.oid) AS idx_tup_fetch 

+    FROM pg_class C JOIN 

+            pg_index X ON C.oid = X.indrelid JOIN 

+            pg_class I ON I.oid = X.indexrelid 

+            LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) 

+    WHERE C.relkind = 'r';

+

+CREATE VIEW pg_stat_sys_indexes AS 

+    SELECT * FROM pg_stat_all_indexes 

+    WHERE schemaname IN ('pg_catalog', 'pg_toast');

+

+CREATE VIEW pg_stat_user_indexes AS 

+    SELECT * FROM pg_stat_all_indexes 

+    WHERE schemaname NOT IN ('pg_catalog', 'pg_toast');

+

+CREATE VIEW pg_statio_all_indexes AS 

+    SELECT 

+            C.oid AS relid, 

+            I.oid AS indexrelid, 

+            N.nspname AS schemaname, 

+            C.relname AS relname, 

+            I.relname AS indexrelname, 

+            pg_stat_get_blocks_fetched(I.oid) - 

+                    pg_stat_get_blocks_hit(I.oid) AS idx_blks_read, 

+            pg_stat_get_blocks_hit(I.oid) AS idx_blks_hit 

+    FROM pg_class C JOIN 

+            pg_index X ON C.oid = X.indrelid JOIN 

+            pg_class I ON I.oid = X.indexrelid 

+            LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) 

+    WHERE C.relkind = 'r';

+

+CREATE VIEW pg_statio_sys_indexes AS 

+    SELECT * FROM pg_statio_all_indexes 

+    WHERE schemaname IN ('pg_catalog', 'pg_toast');

+

+CREATE VIEW pg_statio_user_indexes AS 

+    SELECT * FROM pg_statio_all_indexes 

+    WHERE schemaname NOT IN ('pg_catalog', 'pg_toast');

+

+CREATE VIEW pg_statio_all_sequences AS 

+    SELECT 

+            C.oid AS relid, 

+            N.nspname AS schemaname, 

+            C.relname AS relname, 

+            pg_stat_get_blocks_fetched(C.oid) - 

+                    pg_stat_get_blocks_hit(C.oid) AS blks_read, 

+            pg_stat_get_blocks_hit(C.oid) AS blks_hit 

+    FROM pg_class C 

+            LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace) 

+    WHERE C.relkind = 'S';

+

+CREATE VIEW pg_statio_sys_sequences AS 

+    SELECT * FROM pg_statio_all_sequences 

+    WHERE schemaname IN ('pg_catalog', 'pg_toast');

+

+CREATE VIEW pg_statio_user_sequences AS 

+    SELECT * FROM pg_statio_all_sequences 

+    WHERE schemaname NOT IN ('pg_catalog', 'pg_toast');

+

+CREATE VIEW pg_stat_activity AS 

+    SELECT 

+            D.oid AS datid, 

+            D.datname AS datname, 

+            pg_stat_get_backend_pid(S.backendid) AS procpid, 

+            pg_stat_get_backend_userid(S.backendid) AS usesysid, 

+            U.usename AS usename, 

+            pg_stat_get_backend_activity(S.backendid) AS current_query, 

+            pg_stat_get_backend_activity_start(S.backendid) AS query_start 

+    FROM pg_database D, 

+            (SELECT pg_stat_get_backend_idset() AS backendid) AS S, 

+            pg_shadow U 

+    WHERE pg_stat_get_backend_dbid(S.backendid) = D.oid AND 

+            pg_stat_get_backend_userid(S.backendid) = U.usesysid;

+

+CREATE VIEW pg_stat_database AS 

+    SELECT 

+            D.oid AS datid, 

+            D.datname AS datname, 

+            pg_stat_get_db_numbackends(D.oid) AS numbackends, 

+            pg_stat_get_db_xact_commit(D.oid) AS xact_commit, 

+            pg_stat_get_db_xact_rollback(D.oid) AS xact_rollback, 

+            pg_stat_get_db_blocks_fetched(D.oid) - 

+                    pg_stat_get_db_blocks_hit(D.oid) AS blks_read, 

+            pg_stat_get_db_blocks_hit(D.oid) AS blks_hit 

+    FROM pg_database D;

+

+CREATE VIEW pg_locks AS 

+    SELECT * 

+    FROM pg_lock_status() AS L(relation oid, database oid, 

+	transaction xid, pid int4, mode text, granted boolean);

+

+CREATE VIEW pg_settings AS 

+    SELECT * 

+    FROM pg_show_all_settings() AS A 

+    (name text, setting text, context text, vartype text, 

+     source text, min_val text, max_val text);

+

+CREATE RULE pg_settings_u AS 

+    ON UPDATE TO pg_settings 

+    WHERE new.name = old.name DO 

+    SELECT set_config(old.name, new.setting, 'f');

+

+CREATE RULE pg_settings_n AS 

+    ON UPDATE TO pg_settings 

+    DO INSTEAD NOTHING;

+

+