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postgresql/src/backend/catalog/system_views.sql

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/*
* PostgreSQL System Views
*
* Copyright (c) 1996-2013, PostgreSQL Global Development Group
*
* src/backend/catalog/system_views.sql
*/
CREATE VIEW pg_roles AS
SELECT
rolname,
rolsuper,
rolinherit,
rolcreaterole,
rolcreatedb,
rolcatupdate,
rolcanlogin,
rolreplication,
rolconnlimit,
'********'::text as rolpassword,
rolvaliduntil,
setconfig as rolconfig,
pg_authid.oid
FROM pg_authid LEFT JOIN pg_db_role_setting s
ON (pg_authid.oid = setrole AND setdatabase = 0);
CREATE VIEW pg_shadow AS
SELECT
rolname AS usename,
pg_authid.oid AS usesysid,
rolcreatedb AS usecreatedb,
rolsuper AS usesuper,
rolcatupdate AS usecatupd,
rolreplication AS userepl,
rolpassword AS passwd,
rolvaliduntil::abstime AS valuntil,
setconfig AS useconfig
FROM pg_authid LEFT JOIN pg_db_role_setting s
ON (pg_authid.oid = setrole AND setdatabase = 0)
WHERE rolcanlogin;
REVOKE ALL on pg_shadow FROM public;
CREATE VIEW pg_group AS
SELECT
rolname AS groname,
oid AS grosysid,
ARRAY(SELECT member FROM pg_auth_members WHERE roleid = oid) AS grolist
FROM pg_authid
WHERE NOT rolcanlogin;
CREATE VIEW pg_user AS
SELECT
usename,
usesysid,
usecreatedb,
usesuper,
usecatupd,
userepl,
'********'::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,
T.spcname AS tablespace,
C.relhasindex AS hasindexes,
C.relhasrules AS hasrules,
C.relhastriggers AS hastriggers
FROM pg_class C LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
LEFT JOIN pg_tablespace T ON (T.oid = C.reltablespace)
WHERE C.relkind = 'r';
CREATE VIEW pg_matviews AS
SELECT
N.nspname AS schemaname,
C.relname AS matviewname,
pg_get_userbyid(C.relowner) AS matviewowner,
T.spcname AS tablespace,
C.relhasindex AS hasindexes,
C.relispopulated AS ispopulated,
pg_get_viewdef(C.oid) AS definition
FROM pg_class C LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
LEFT JOIN pg_tablespace T ON (T.oid = C.reltablespace)
WHERE C.relkind = 'm';
CREATE VIEW pg_indexes AS
SELECT
N.nspname AS schemaname,
C.relname AS tablename,
I.relname AS indexname,
T.spcname AS tablespace,
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)
LEFT JOIN pg_tablespace T ON (T.oid = I.reltablespace)
WHERE C.relkind IN ('r', 'm') AND I.relkind = 'i';
CREATE VIEW pg_stats AS
SELECT
nspname AS schemaname,
relname AS tablename,
attname AS attname,
stainherit AS inherited,
stanullfrac AS null_frac,
stawidth AS avg_width,
stadistinct AS n_distinct,
CASE
WHEN stakind1 = 1 THEN stavalues1
WHEN stakind2 = 1 THEN stavalues2
WHEN stakind3 = 1 THEN stavalues3
WHEN stakind4 = 1 THEN stavalues4
WHEN stakind5 = 1 THEN stavalues5
END AS most_common_vals,
CASE
WHEN stakind1 = 1 THEN stanumbers1
WHEN stakind2 = 1 THEN stanumbers2
WHEN stakind3 = 1 THEN stanumbers3
WHEN stakind4 = 1 THEN stanumbers4
WHEN stakind5 = 1 THEN stanumbers5
END AS most_common_freqs,
CASE
WHEN stakind1 = 2 THEN stavalues1
WHEN stakind2 = 2 THEN stavalues2
WHEN stakind3 = 2 THEN stavalues3
WHEN stakind4 = 2 THEN stavalues4
WHEN stakind5 = 2 THEN stavalues5
END AS histogram_bounds,
CASE
WHEN stakind1 = 3 THEN stanumbers1[1]
WHEN stakind2 = 3 THEN stanumbers2[1]
WHEN stakind3 = 3 THEN stanumbers3[1]
WHEN stakind4 = 3 THEN stanumbers4[1]
WHEN stakind5 = 3 THEN stanumbers5[1]
END AS correlation,
CASE
WHEN stakind1 = 4 THEN stavalues1
WHEN stakind2 = 4 THEN stavalues2
WHEN stakind3 = 4 THEN stavalues3
WHEN stakind4 = 4 THEN stavalues4
WHEN stakind5 = 4 THEN stavalues5
END AS most_common_elems,
CASE
WHEN stakind1 = 4 THEN stanumbers1
WHEN stakind2 = 4 THEN stanumbers2
WHEN stakind3 = 4 THEN stanumbers3
WHEN stakind4 = 4 THEN stanumbers4
WHEN stakind5 = 4 THEN stanumbers5
END AS most_common_elem_freqs,
CASE
WHEN stakind1 = 5 THEN stanumbers1
WHEN stakind2 = 5 THEN stanumbers2
WHEN stakind3 = 5 THEN stanumbers3
WHEN stakind4 = 5 THEN stanumbers4
WHEN stakind5 = 5 THEN stanumbers5
END AS elem_count_histogram
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 NOT attisdropped AND has_column_privilege(c.oid, a.attnum, 'select');
REVOKE ALL on pg_statistic FROM public;
CREATE VIEW pg_locks AS
SELECT * FROM pg_lock_status() AS L;
CREATE VIEW pg_cursors AS
SELECT * FROM pg_cursor() AS C;
CREATE VIEW pg_available_extensions AS
SELECT E.name, E.default_version, X.extversion AS installed_version,
E.comment
FROM pg_available_extensions() AS E
LEFT JOIN pg_extension AS X ON E.name = X.extname;
CREATE VIEW pg_available_extension_versions AS
SELECT E.name, E.version, (X.extname IS NOT NULL) AS installed,
E.superuser, E.relocatable, E.schema, E.requires, E.comment
FROM pg_available_extension_versions() AS E
LEFT JOIN pg_extension AS X
ON E.name = X.extname AND E.version = X.extversion;
CREATE VIEW pg_prepared_xacts AS
SELECT P.transaction, P.gid, P.prepared,
U.rolname AS owner, D.datname AS database
FROM pg_prepared_xact() AS P
LEFT JOIN pg_authid U ON P.ownerid = U.oid
LEFT JOIN pg_database D ON P.dbid = D.oid;
CREATE VIEW pg_prepared_statements AS
SELECT * FROM pg_prepared_statement() AS P;
CREATE VIEW pg_seclabels AS
SELECT
l.objoid, l.classoid, l.objsubid,
CASE WHEN rel.relkind = 'r' THEN 'table'::text
WHEN rel.relkind = 'v' THEN 'view'::text
WHEN rel.relkind = 'm' THEN 'materialized view'::text
WHEN rel.relkind = 'S' THEN 'sequence'::text
WHEN rel.relkind = 'f' THEN 'foreign table'::text END AS objtype,
rel.relnamespace AS objnamespace,
CASE WHEN pg_table_is_visible(rel.oid)
THEN quote_ident(rel.relname)
ELSE quote_ident(nsp.nspname) || '.' || quote_ident(rel.relname)
END AS objname,
l.provider, l.label
FROM
pg_seclabel l
JOIN pg_class rel ON l.classoid = rel.tableoid AND l.objoid = rel.oid
JOIN pg_namespace nsp ON rel.relnamespace = nsp.oid
WHERE
l.objsubid = 0
UNION ALL
SELECT
l.objoid, l.classoid, l.objsubid,
'column'::text AS objtype,
rel.relnamespace AS objnamespace,
CASE WHEN pg_table_is_visible(rel.oid)
THEN quote_ident(rel.relname)
ELSE quote_ident(nsp.nspname) || '.' || quote_ident(rel.relname)
END || '.' || att.attname AS objname,
l.provider, l.label
FROM
pg_seclabel l
JOIN pg_class rel ON l.classoid = rel.tableoid AND l.objoid = rel.oid
JOIN pg_attribute att
ON rel.oid = att.attrelid AND l.objsubid = att.attnum
JOIN pg_namespace nsp ON rel.relnamespace = nsp.oid
WHERE
l.objsubid != 0
UNION ALL
SELECT
l.objoid, l.classoid, l.objsubid,
CASE WHEN pro.proisagg = true THEN 'aggregate'::text
WHEN pro.proisagg = false THEN 'function'::text
END AS objtype,
pro.pronamespace AS objnamespace,
CASE WHEN pg_function_is_visible(pro.oid)
THEN quote_ident(pro.proname)
ELSE quote_ident(nsp.nspname) || '.' || quote_ident(pro.proname)
END || '(' || pg_catalog.pg_get_function_arguments(pro.oid) || ')' AS objname,
l.provider, l.label
FROM
pg_seclabel l
JOIN pg_proc pro ON l.classoid = pro.tableoid AND l.objoid = pro.oid
JOIN pg_namespace nsp ON pro.pronamespace = nsp.oid
WHERE
l.objsubid = 0
UNION ALL
SELECT
l.objoid, l.classoid, l.objsubid,
CASE WHEN typ.typtype = 'd' THEN 'domain'::text
ELSE 'type'::text END AS objtype,
typ.typnamespace AS objnamespace,
CASE WHEN pg_type_is_visible(typ.oid)
THEN quote_ident(typ.typname)
ELSE quote_ident(nsp.nspname) || '.' || quote_ident(typ.typname)
END AS objname,
l.provider, l.label
FROM
pg_seclabel l
JOIN pg_type typ ON l.classoid = typ.tableoid AND l.objoid = typ.oid
JOIN pg_namespace nsp ON typ.typnamespace = nsp.oid
WHERE
l.objsubid = 0
UNION ALL
SELECT
l.objoid, l.classoid, l.objsubid,
'large object'::text AS objtype,
NULL::oid AS objnamespace,
l.objoid::text AS objname,
l.provider, l.label
FROM
pg_seclabel l
JOIN pg_largeobject_metadata lom ON l.objoid = lom.oid
WHERE
l.classoid = 'pg_catalog.pg_largeobject'::regclass AND l.objsubid = 0
UNION ALL
SELECT
l.objoid, l.classoid, l.objsubid,
'language'::text AS objtype,
NULL::oid AS objnamespace,
quote_ident(lan.lanname) AS objname,
l.provider, l.label
FROM
pg_seclabel l
JOIN pg_language lan ON l.classoid = lan.tableoid AND l.objoid = lan.oid
WHERE
l.objsubid = 0
UNION ALL
SELECT
l.objoid, l.classoid, l.objsubid,
'schema'::text AS objtype,
nsp.oid AS objnamespace,
quote_ident(nsp.nspname) AS objname,
l.provider, l.label
FROM
pg_seclabel l
JOIN pg_namespace nsp ON l.classoid = nsp.tableoid AND l.objoid = nsp.oid
WHERE
l.objsubid = 0
UNION ALL
SELECT
l.objoid, l.classoid, l.objsubid,
'event trigger'::text AS objtype,
NULL::oid AS objnamespace,
quote_ident(evt.evtname) AS objname,
l.provider, l.label
FROM
pg_seclabel l
JOIN pg_event_trigger evt ON l.classoid = evt.tableoid
AND l.objoid = evt.oid
WHERE
l.objsubid = 0
UNION ALL
SELECT
l.objoid, l.classoid, 0::int4 AS objsubid,
'database'::text AS objtype,
NULL::oid AS objnamespace,
quote_ident(dat.datname) AS objname,
l.provider, l.label
FROM
pg_shseclabel l
JOIN pg_database dat ON l.classoid = dat.tableoid AND l.objoid = dat.oid
UNION ALL
SELECT
l.objoid, l.classoid, 0::int4 AS objsubid,
'tablespace'::text AS objtype,
NULL::oid AS objnamespace,
quote_ident(spc.spcname) AS objname,
l.provider, l.label
FROM
pg_shseclabel l
JOIN pg_tablespace spc ON l.classoid = spc.tableoid AND l.objoid = spc.oid
UNION ALL
SELECT
l.objoid, l.classoid, 0::int4 AS objsubid,
'role'::text AS objtype,
NULL::oid AS objnamespace,
quote_ident(rol.rolname) AS objname,
l.provider, l.label
FROM
pg_shseclabel l
JOIN pg_authid rol ON l.classoid = rol.tableoid AND l.objoid = rol.oid;
CREATE VIEW pg_settings AS
SELECT * FROM pg_show_all_settings() AS A;
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;
GRANT SELECT, UPDATE ON pg_settings TO PUBLIC;
CREATE VIEW pg_timezone_abbrevs AS
SELECT * FROM pg_timezone_abbrevs();
CREATE VIEW pg_timezone_names AS
SELECT * FROM pg_timezone_names();
-- Statistics views
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))::bigint AS idx_scan,
sum(pg_stat_get_tuples_fetched(I.indexrelid))::bigint +
pg_stat_get_tuples_fetched(C.oid) 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,
pg_stat_get_tuples_hot_updated(C.oid) AS n_tup_hot_upd,
pg_stat_get_live_tuples(C.oid) AS n_live_tup,
pg_stat_get_dead_tuples(C.oid) AS n_dead_tup,
pg_stat_get_mod_since_analyze(C.oid) AS n_mod_since_analyze,
pg_stat_get_last_vacuum_time(C.oid) as last_vacuum,
pg_stat_get_last_autovacuum_time(C.oid) as last_autovacuum,
pg_stat_get_last_analyze_time(C.oid) as last_analyze,
pg_stat_get_last_autoanalyze_time(C.oid) as last_autoanalyze,
pg_stat_get_vacuum_count(C.oid) AS vacuum_count,
pg_stat_get_autovacuum_count(C.oid) AS autovacuum_count,
pg_stat_get_analyze_count(C.oid) AS analyze_count,
pg_stat_get_autoanalyze_count(C.oid) AS autoanalyze_count
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 IN ('r', 't', 'm')
GROUP BY C.oid, N.nspname, C.relname;
CREATE VIEW pg_stat_xact_all_tables AS
SELECT
C.oid AS relid,
N.nspname AS schemaname,
C.relname AS relname,
pg_stat_get_xact_numscans(C.oid) AS seq_scan,
pg_stat_get_xact_tuples_returned(C.oid) AS seq_tup_read,
sum(pg_stat_get_xact_numscans(I.indexrelid))::bigint AS idx_scan,
sum(pg_stat_get_xact_tuples_fetched(I.indexrelid))::bigint +
pg_stat_get_xact_tuples_fetched(C.oid) AS idx_tup_fetch,
pg_stat_get_xact_tuples_inserted(C.oid) AS n_tup_ins,
pg_stat_get_xact_tuples_updated(C.oid) AS n_tup_upd,
pg_stat_get_xact_tuples_deleted(C.oid) AS n_tup_del,
pg_stat_get_xact_tuples_hot_updated(C.oid) AS n_tup_hot_upd
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 IN ('r', 't', 'm')
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', 'information_schema') OR
schemaname ~ '^pg_toast';
CREATE VIEW pg_stat_xact_sys_tables AS
SELECT * FROM pg_stat_xact_all_tables
WHERE schemaname IN ('pg_catalog', 'information_schema') OR
schemaname ~ '^pg_toast';
CREATE VIEW pg_stat_user_tables AS
SELECT * FROM pg_stat_all_tables
WHERE schemaname NOT IN ('pg_catalog', 'information_schema') AND
schemaname !~ '^pg_toast';
CREATE VIEW pg_stat_xact_user_tables AS
SELECT * FROM pg_stat_xact_all_tables
WHERE schemaname NOT IN ('pg_catalog', 'information_schema') AND
schemaname !~ '^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))::bigint AS idx_blks_read,
sum(pg_stat_get_blocks_hit(I.indexrelid))::bigint 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,
sum(pg_stat_get_blocks_fetched(X.indexrelid) -
pg_stat_get_blocks_hit(X.indexrelid))::bigint AS tidx_blks_read,
sum(pg_stat_get_blocks_hit(X.indexrelid))::bigint 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_index X ON T.oid = X.indrelid
LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
WHERE C.relkind IN ('r', 't', 'm')
GROUP BY C.oid, N.nspname, C.relname, T.oid, X.indrelid;
CREATE VIEW pg_statio_sys_tables AS
SELECT * FROM pg_statio_all_tables
WHERE schemaname IN ('pg_catalog', 'information_schema') OR
schemaname ~ '^pg_toast';
CREATE VIEW pg_statio_user_tables AS
SELECT * FROM pg_statio_all_tables
WHERE schemaname NOT IN ('pg_catalog', 'information_schema') AND
schemaname !~ '^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 IN ('r', 't', 'm');
CREATE VIEW pg_stat_sys_indexes AS
SELECT * FROM pg_stat_all_indexes
WHERE schemaname IN ('pg_catalog', 'information_schema') OR
schemaname ~ '^pg_toast';
CREATE VIEW pg_stat_user_indexes AS
SELECT * FROM pg_stat_all_indexes
WHERE schemaname NOT IN ('pg_catalog', 'information_schema') AND
schemaname !~ '^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 IN ('r', 't', 'm');
CREATE VIEW pg_statio_sys_indexes AS
SELECT * FROM pg_statio_all_indexes
WHERE schemaname IN ('pg_catalog', 'information_schema') OR
schemaname ~ '^pg_toast';
CREATE VIEW pg_statio_user_indexes AS
SELECT * FROM pg_statio_all_indexes
WHERE schemaname NOT IN ('pg_catalog', 'information_schema') AND
schemaname !~ '^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', 'information_schema') OR
schemaname ~ '^pg_toast';
CREATE VIEW pg_statio_user_sequences AS
SELECT * FROM pg_statio_all_sequences
WHERE schemaname NOT IN ('pg_catalog', 'information_schema') AND
schemaname !~ '^pg_toast';
CREATE VIEW pg_stat_activity AS
SELECT
S.datid AS datid,
D.datname AS datname,
S.pid,
S.usesysid,
U.rolname AS usename,
S.application_name,
S.client_addr,
S.client_hostname,
S.client_port,
S.backend_start,
S.xact_start,
S.query_start,
S.state_change,
S.waiting,
S.state,
S.query
FROM pg_database D, pg_stat_get_activity(NULL) AS S, pg_authid U
WHERE S.datid = D.oid AND
S.usesysid = U.oid;
CREATE VIEW pg_stat_replication AS
SELECT
S.pid,
S.usesysid,
U.rolname AS usename,
S.application_name,
S.client_addr,
S.client_hostname,
S.client_port,
S.backend_start,
W.state,
W.sent_location,
W.write_location,
W.flush_location,
W.replay_location,
W.sync_priority,
W.sync_state
FROM pg_stat_get_activity(NULL) AS S, pg_authid U,
pg_stat_get_wal_senders() AS W
WHERE S.usesysid = U.oid AND
S.pid = W.pid;
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,
pg_stat_get_db_tuples_returned(D.oid) AS tup_returned,
pg_stat_get_db_tuples_fetched(D.oid) AS tup_fetched,
pg_stat_get_db_tuples_inserted(D.oid) AS tup_inserted,
pg_stat_get_db_tuples_updated(D.oid) AS tup_updated,
pg_stat_get_db_tuples_deleted(D.oid) AS tup_deleted,
pg_stat_get_db_conflict_all(D.oid) AS conflicts,
pg_stat_get_db_temp_files(D.oid) AS temp_files,
pg_stat_get_db_temp_bytes(D.oid) AS temp_bytes,
pg_stat_get_db_deadlocks(D.oid) AS deadlocks,
pg_stat_get_db_blk_read_time(D.oid) AS blk_read_time,
pg_stat_get_db_blk_write_time(D.oid) AS blk_write_time,
pg_stat_get_db_stat_reset_time(D.oid) AS stats_reset
FROM pg_database D;
CREATE VIEW pg_stat_database_conflicts AS
SELECT
D.oid AS datid,
D.datname AS datname,
pg_stat_get_db_conflict_tablespace(D.oid) AS confl_tablespace,
pg_stat_get_db_conflict_lock(D.oid) AS confl_lock,
pg_stat_get_db_conflict_snapshot(D.oid) AS confl_snapshot,
pg_stat_get_db_conflict_bufferpin(D.oid) AS confl_bufferpin,
pg_stat_get_db_conflict_startup_deadlock(D.oid) AS confl_deadlock
FROM pg_database D;
CREATE VIEW pg_stat_user_functions AS
SELECT
P.oid AS funcid,
N.nspname AS schemaname,
P.proname AS funcname,
pg_stat_get_function_calls(P.oid) AS calls,
pg_stat_get_function_total_time(P.oid) AS total_time,
pg_stat_get_function_self_time(P.oid) AS self_time
FROM pg_proc P LEFT JOIN pg_namespace N ON (N.oid = P.pronamespace)
WHERE P.prolang != 12 -- fast check to eliminate built-in functions
AND pg_stat_get_function_calls(P.oid) IS NOT NULL;
CREATE VIEW pg_stat_xact_user_functions AS
SELECT
P.oid AS funcid,
N.nspname AS schemaname,
P.proname AS funcname,
pg_stat_get_xact_function_calls(P.oid) AS calls,
pg_stat_get_xact_function_total_time(P.oid) AS total_time,
pg_stat_get_xact_function_self_time(P.oid) AS self_time
FROM pg_proc P LEFT JOIN pg_namespace N ON (N.oid = P.pronamespace)
WHERE P.prolang != 12 -- fast check to eliminate built-in functions
AND pg_stat_get_xact_function_calls(P.oid) IS NOT NULL;
CREATE VIEW pg_stat_bgwriter AS
SELECT
pg_stat_get_bgwriter_timed_checkpoints() AS checkpoints_timed,
pg_stat_get_bgwriter_requested_checkpoints() AS checkpoints_req,
pg_stat_get_checkpoint_write_time() AS checkpoint_write_time,
pg_stat_get_checkpoint_sync_time() AS checkpoint_sync_time,
pg_stat_get_bgwriter_buf_written_checkpoints() AS buffers_checkpoint,
pg_stat_get_bgwriter_buf_written_clean() AS buffers_clean,
pg_stat_get_bgwriter_maxwritten_clean() AS maxwritten_clean,
pg_stat_get_buf_written_backend() AS buffers_backend,
pg_stat_get_buf_fsync_backend() AS buffers_backend_fsync,
pg_stat_get_buf_alloc() AS buffers_alloc,
pg_stat_get_bgwriter_stat_reset_time() AS stats_reset;
CREATE VIEW pg_user_mappings AS
SELECT
U.oid AS umid,
S.oid AS srvid,
S.srvname AS srvname,
U.umuser AS umuser,
CASE WHEN U.umuser = 0 THEN
'public'
ELSE
A.rolname
END AS usename,
CASE WHEN pg_has_role(S.srvowner, 'USAGE') OR has_server_privilege(S.oid, 'USAGE') THEN
U.umoptions
ELSE
NULL
END AS umoptions
FROM pg_user_mapping U
LEFT JOIN pg_authid A ON (A.oid = U.umuser) JOIN
pg_foreign_server S ON (U.umserver = S.oid);
REVOKE ALL on pg_user_mapping FROM public;
--
-- We have a few function definitions in here, too.
-- At some point there might be enough to justify breaking them out into
-- a separate "system_functions.sql" file.
--
-- Tsearch debug function. Defined here because it'd be pretty unwieldy
-- to put it into pg_proc.h
CREATE FUNCTION ts_debug(IN config regconfig, IN document text,
OUT alias text,
OUT description text,
OUT token text,
OUT dictionaries regdictionary[],
OUT dictionary regdictionary,
OUT lexemes text[])
RETURNS SETOF record AS
$$
SELECT
tt.alias AS alias,
tt.description AS description,
parse.token AS token,
ARRAY ( SELECT m.mapdict::pg_catalog.regdictionary
FROM pg_catalog.pg_ts_config_map AS m
WHERE m.mapcfg = $1 AND m.maptokentype = parse.tokid
ORDER BY m.mapseqno )
AS dictionaries,
( SELECT mapdict::pg_catalog.regdictionary
FROM pg_catalog.pg_ts_config_map AS m
WHERE m.mapcfg = $1 AND m.maptokentype = parse.tokid
ORDER BY pg_catalog.ts_lexize(mapdict, parse.token) IS NULL, m.mapseqno
LIMIT 1
) AS dictionary,
( SELECT pg_catalog.ts_lexize(mapdict, parse.token)
FROM pg_catalog.pg_ts_config_map AS m
WHERE m.mapcfg = $1 AND m.maptokentype = parse.tokid
ORDER BY pg_catalog.ts_lexize(mapdict, parse.token) IS NULL, m.mapseqno
LIMIT 1
) AS lexemes
FROM pg_catalog.ts_parse(
(SELECT cfgparser FROM pg_catalog.pg_ts_config WHERE oid = $1 ), $2
) AS parse,
pg_catalog.ts_token_type(
(SELECT cfgparser FROM pg_catalog.pg_ts_config WHERE oid = $1 )
) AS tt
WHERE tt.tokid = parse.tokid
$$
LANGUAGE SQL STRICT STABLE;
COMMENT ON FUNCTION ts_debug(regconfig,text) IS
'debug function for text search configuration';
CREATE FUNCTION ts_debug(IN document text,
OUT alias text,
OUT description text,
OUT token text,
OUT dictionaries regdictionary[],
OUT dictionary regdictionary,
OUT lexemes text[])
RETURNS SETOF record AS
$$
SELECT * FROM pg_catalog.ts_debug( pg_catalog.get_current_ts_config(), $1);
$$
LANGUAGE SQL STRICT STABLE;
COMMENT ON FUNCTION ts_debug(text) IS
'debug function for current text search configuration';
--
-- Redeclare built-in functions that need default values attached to their
-- arguments. It's impractical to set those up directly in pg_proc.h because
-- of the complexity and platform-dependency of the expression tree
-- representation. (Note that internal functions still have to have entries
-- in pg_proc.h; we are merely causing their proargnames and proargdefaults
-- to get filled in.)
--
CREATE OR REPLACE FUNCTION
pg_start_backup(label text, fast boolean DEFAULT false)
RETURNS text STRICT VOLATILE LANGUAGE internal AS 'pg_start_backup';
CREATE OR REPLACE FUNCTION
json_populate_record(base anyelement, from_json json, use_json_as_text boolean DEFAULT false)
RETURNS anyelement LANGUAGE internal STABLE AS 'json_populate_record';
CREATE OR REPLACE FUNCTION
json_populate_recordset(base anyelement, from_json json, use_json_as_text boolean DEFAULT false)
RETURNS SETOF anyelement LANGUAGE internal STABLE ROWS 100 AS 'json_populate_recordset';
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