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/*
* SQL Information Schema
* as defined in ISO/IEC 9075-11:2016
*
* Copyright (c) 2003-2022, PostgreSQL Global Development Group
*
* src/backend/catalog/information_schema.sql
*
* Note: this file is read in single-user -j mode, which means that the
* command terminator is semicolon-newline-newline; whenever the backend
* sees that, it stops and executes what it's got. If you write a lot of
* statements without empty lines between, they'll all get quoted to you
* in any error message about one of them, so don't do that. Also, you
* cannot write a semicolon immediately followed by an empty line in a
* string literal (including a function body!) or a multiline comment.
*/
/*
* Note: Generally, the definitions in this file should be ordered
* according to the clause numbers in the SQL standard, which is also the
* alphabetical order. In some cases it is convenient or necessary to
* define one information schema view by using another one; in that case,
* put the referencing view at the very end and leave a note where it
* should have been put.
*/
/*
* 5.1
* INFORMATION_SCHEMA schema
*/
CREATE SCHEMA information_schema;
GRANT USAGE ON SCHEMA information_schema TO PUBLIC;
SET search_path TO information_schema;
/*
* A few supporting functions first ...
*/
/* Expand any 1-D array into a set with integers 1..N */
CREATE FUNCTION _pg_expandarray(IN anyarray, OUT x anyelement, OUT n int)
RETURNS SETOF RECORD
LANGUAGE sql STRICT IMMUTABLE PARALLEL SAFE
AS 'select $1[s],
s operator(pg_catalog.-) pg_catalog.array_lower($1,1) operator(pg_catalog.+) 1
from pg_catalog.generate_series(pg_catalog.array_lower($1,1),
pg_catalog.array_upper($1,1),
1) as g(s)';
/* Given an index's OID and an underlying-table column number, return the
* column's position in the index (NULL if not there) */
CREATE FUNCTION _pg_index_position(oid, smallint) RETURNS int
LANGUAGE sql STRICT STABLE
BEGIN ATOMIC
SELECT (ss.a).n FROM
(SELECT information_schema._pg_expandarray(indkey) AS a
FROM pg_catalog.pg_index WHERE indexrelid = $1) ss
WHERE (ss.a).x = $2;
END;
CREATE FUNCTION _pg_truetypid(pg_attribute, pg_type) RETURNS oid
LANGUAGE sql
IMMUTABLE
PARALLEL SAFE
RETURNS NULL ON NULL INPUT
RETURN CASE WHEN $2.typtype = 'd' THEN $2.typbasetype ELSE $1.atttypid END;
CREATE FUNCTION _pg_truetypmod(pg_attribute, pg_type) RETURNS int4
LANGUAGE sql
IMMUTABLE
PARALLEL SAFE
RETURNS NULL ON NULL INPUT
RETURN CASE WHEN $2.typtype = 'd' THEN $2.typtypmod ELSE $1.atttypmod END;
-- these functions encapsulate knowledge about the encoding of typmod:
CREATE FUNCTION _pg_char_max_length(typid oid, typmod int4) RETURNS integer
LANGUAGE sql
IMMUTABLE
PARALLEL SAFE
RETURNS NULL ON NULL INPUT
RETURN
CASE WHEN $2 = -1 /* default typmod */
THEN null
WHEN $1 IN (1042, 1043) /* char, varchar */
THEN $2 - 4
WHEN $1 IN (1560, 1562) /* bit, varbit */
THEN $2
ELSE null
END;
CREATE FUNCTION _pg_char_octet_length(typid oid, typmod int4) RETURNS integer
LANGUAGE sql
IMMUTABLE
PARALLEL SAFE
RETURNS NULL ON NULL INPUT
RETURN
CASE WHEN $1 IN (25, 1042, 1043) /* text, char, varchar */
THEN CASE WHEN $2 = -1 /* default typmod */
THEN CAST(2^30 AS integer)
ELSE information_schema._pg_char_max_length($1, $2) *
pg_catalog.pg_encoding_max_length((SELECT encoding FROM pg_catalog.pg_database WHERE datname = pg_catalog.current_database()))
END
ELSE null
END;
CREATE FUNCTION _pg_numeric_precision(typid oid, typmod int4) RETURNS integer
LANGUAGE sql
IMMUTABLE
PARALLEL SAFE
RETURNS NULL ON NULL INPUT
RETURN
CASE $1
WHEN 21 /*int2*/ THEN 16
WHEN 23 /*int4*/ THEN 32
WHEN 20 /*int8*/ THEN 64
WHEN 1700 /*numeric*/ THEN
CASE WHEN $2 = -1
THEN null
ELSE (($2 - 4) >> 16) & 65535
END
WHEN 700 /*float4*/ THEN 24 /*FLT_MANT_DIG*/
WHEN 701 /*float8*/ THEN 53 /*DBL_MANT_DIG*/
ELSE null
END;
CREATE FUNCTION _pg_numeric_precision_radix(typid oid, typmod int4) RETURNS integer
LANGUAGE sql
IMMUTABLE
PARALLEL SAFE
RETURNS NULL ON NULL INPUT
RETURN
CASE WHEN $1 IN (21, 23, 20, 700, 701) THEN 2
WHEN $1 IN (1700) THEN 10
ELSE null
END;
CREATE FUNCTION _pg_numeric_scale(typid oid, typmod int4) RETURNS integer
LANGUAGE sql
IMMUTABLE
PARALLEL SAFE
RETURNS NULL ON NULL INPUT
RETURN
CASE WHEN $1 IN (21, 23, 20) THEN 0
WHEN $1 IN (1700) THEN
CASE WHEN $2 = -1
THEN null
ELSE ($2 - 4) & 65535
END
ELSE null
END;
CREATE FUNCTION _pg_datetime_precision(typid oid, typmod int4) RETURNS integer
LANGUAGE sql
IMMUTABLE
PARALLEL SAFE
RETURNS NULL ON NULL INPUT
RETURN
CASE WHEN $1 IN (1082) /* date */
THEN 0
WHEN $1 IN (1083, 1114, 1184, 1266) /* time, timestamp, same + tz */
THEN CASE WHEN $2 < 0 THEN 6 ELSE $2 END
WHEN $1 IN (1186) /* interval */
THEN CASE WHEN $2 < 0 OR $2 & 65535 = 65535 THEN 6 ELSE $2 & 65535 END
ELSE null
END;
CREATE FUNCTION _pg_interval_type(typid oid, mod int4) RETURNS text
LANGUAGE sql
IMMUTABLE
PARALLEL SAFE
RETURNS NULL ON NULL INPUT
RETURN
CASE WHEN $1 IN (1186) /* interval */
THEN pg_catalog.upper(substring(pg_catalog.format_type($1, $2) similar 'interval[()0-9]* #"%#"' escape '#'))
ELSE null
END;
-- 5.2 INFORMATION_SCHEMA_CATALOG_NAME view appears later.
/*
* 5.3
* CARDINAL_NUMBER domain
*/
CREATE DOMAIN cardinal_number AS integer
CONSTRAINT cardinal_number_domain_check CHECK (value >= 0);
/*
* 5.4
* CHARACTER_DATA domain
*/
CREATE DOMAIN character_data AS character varying COLLATE "C";
/*
* 5.5
* SQL_IDENTIFIER domain
*/
CREATE DOMAIN sql_identifier AS name;
/*
* 5.2
* INFORMATION_SCHEMA_CATALOG_NAME view
*/
CREATE VIEW information_schema_catalog_name AS
SELECT CAST(current_database() AS sql_identifier) AS catalog_name;
GRANT SELECT ON information_schema_catalog_name TO PUBLIC;
/*
* 5.6
* TIME_STAMP domain
*/
CREATE DOMAIN time_stamp AS timestamp(2) with time zone
DEFAULT current_timestamp(2);
/*
* 5.7
* YES_OR_NO domain
*/
CREATE DOMAIN yes_or_no AS character varying(3) COLLATE "C"
CONSTRAINT yes_or_no_check CHECK (value IN ('YES', 'NO'));
-- 5.8 ADMINISTRABLE_ROLE_AUTHORIZATIONS view appears later.
/*
* 5.9
* APPLICABLE_ROLES view
*/
CREATE VIEW applicable_roles AS
SELECT CAST(a.rolname AS sql_identifier) AS grantee,
CAST(b.rolname AS sql_identifier) AS role_name,
CAST(CASE WHEN m.admin_option THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
FROM (SELECT member, roleid, admin_option FROM pg_auth_members
-- This UNION could be UNION ALL, but UNION works even if we start
-- to allow explicit pg_database_owner membership.
UNION
SELECT datdba, pg_authid.oid, false
FROM pg_database, pg_authid
WHERE datname = current_database() AND rolname = 'pg_database_owner'
) m
JOIN pg_authid a ON (m.member = a.oid)
JOIN pg_authid b ON (m.roleid = b.oid)
WHERE pg_has_role(a.oid, 'USAGE');
GRANT SELECT ON applicable_roles TO PUBLIC;
/*
* 5.8
* ADMINISTRABLE_ROLE_AUTHORIZATIONS view
*/
CREATE VIEW administrable_role_authorizations AS
SELECT *
FROM applicable_roles
WHERE is_grantable = 'YES';
GRANT SELECT ON administrable_role_authorizations TO PUBLIC;
/*
* 5.10
* ASSERTIONS view
*/
-- feature not supported
/*
* 5.11
* ATTRIBUTES view
*/
CREATE VIEW attributes AS
SELECT CAST(current_database() AS sql_identifier) AS udt_catalog,
CAST(nc.nspname AS sql_identifier) AS udt_schema,
CAST(c.relname AS sql_identifier) AS udt_name,
CAST(a.attname AS sql_identifier) AS attribute_name,
CAST(a.attnum AS cardinal_number) AS ordinal_position,
CAST(pg_get_expr(ad.adbin, ad.adrelid) AS character_data) AS attribute_default,
CAST(CASE WHEN a.attnotnull OR (t.typtype = 'd' AND t.typnotnull) THEN 'NO' ELSE 'YES' END
AS yes_or_no)
AS is_nullable, -- This column was apparently removed between SQL:2003 and SQL:2008.
CAST(
CASE WHEN t.typelem <> 0 AND t.typlen = -1 THEN 'ARRAY'
WHEN nt.nspname = 'pg_catalog' THEN format_type(a.atttypid, null)
ELSE 'USER-DEFINED' END
AS character_data)
AS data_type,
CAST(
_pg_char_max_length(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS character_maximum_length,
CAST(
_pg_char_octet_length(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS character_octet_length,
CAST(null AS sql_identifier) AS character_set_catalog,
CAST(null AS sql_identifier) AS character_set_schema,
CAST(null AS sql_identifier) AS character_set_name,
CAST(CASE WHEN nco.nspname IS NOT NULL THEN current_database() END AS sql_identifier) AS collation_catalog,
CAST(nco.nspname AS sql_identifier) AS collation_schema,
CAST(co.collname AS sql_identifier) AS collation_name,
CAST(
_pg_numeric_precision(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS numeric_precision,
CAST(
_pg_numeric_precision_radix(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS numeric_precision_radix,
CAST(
_pg_numeric_scale(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS numeric_scale,
CAST(
_pg_datetime_precision(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS datetime_precision,
CAST(
_pg_interval_type(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS character_data)
AS interval_type,
CAST(null AS cardinal_number) AS interval_precision,
CAST(current_database() AS sql_identifier) AS attribute_udt_catalog,
CAST(nt.nspname AS sql_identifier) AS attribute_udt_schema,
CAST(t.typname AS sql_identifier) AS attribute_udt_name,
CAST(null AS sql_identifier) AS scope_catalog,
CAST(null AS sql_identifier) AS scope_schema,
CAST(null AS sql_identifier) AS scope_name,
CAST(null AS cardinal_number) AS maximum_cardinality,
CAST(a.attnum AS sql_identifier) AS dtd_identifier,
CAST('NO' AS yes_or_no) AS is_derived_reference_attribute
FROM (pg_attribute a LEFT JOIN pg_attrdef ad ON attrelid = adrelid AND attnum = adnum)
JOIN (pg_class c JOIN pg_namespace nc ON (c.relnamespace = nc.oid)) ON a.attrelid = c.oid
JOIN (pg_type t JOIN pg_namespace nt ON (t.typnamespace = nt.oid)) ON a.atttypid = t.oid
LEFT JOIN (pg_collation co JOIN pg_namespace nco ON (co.collnamespace = nco.oid))
ON a.attcollation = co.oid AND (nco.nspname, co.collname) <> ('pg_catalog', 'default')
WHERE a.attnum > 0 AND NOT a.attisdropped
AND c.relkind IN ('c')
AND (pg_has_role(c.relowner, 'USAGE')
OR has_type_privilege(c.reltype, 'USAGE'));
GRANT SELECT ON attributes TO PUBLIC;
/*
* 5.12
* CHARACTER_SETS view
*/
CREATE VIEW character_sets AS
SELECT CAST(null AS sql_identifier) AS character_set_catalog,
CAST(null AS sql_identifier) AS character_set_schema,
CAST(getdatabaseencoding() AS sql_identifier) AS character_set_name,
CAST(CASE WHEN getdatabaseencoding() = 'UTF8' THEN 'UCS' ELSE getdatabaseencoding() END AS sql_identifier) AS character_repertoire,
CAST(getdatabaseencoding() AS sql_identifier) AS form_of_use,
CAST(current_database() AS sql_identifier) AS default_collate_catalog,
CAST(nc.nspname AS sql_identifier) AS default_collate_schema,
CAST(c.collname AS sql_identifier) AS default_collate_name
FROM pg_database d
LEFT JOIN (pg_collation c JOIN pg_namespace nc ON (c.collnamespace = nc.oid))
ON (datcollate = collcollate AND datctype = collctype)
WHERE d.datname = current_database()
ORDER BY char_length(c.collname) DESC, c.collname ASC -- prefer full/canonical name
LIMIT 1;
GRANT SELECT ON character_sets TO PUBLIC;
/*
* 5.13
* CHECK_CONSTRAINT_ROUTINE_USAGE view
*/
CREATE VIEW check_constraint_routine_usage AS
SELECT DISTINCT
CAST(current_database() AS sql_identifier) AS constraint_catalog,
CAST(nc.nspname AS sql_identifier) AS constraint_schema,
CAST(c.conname AS sql_identifier) AS constraint_name,
CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(np.nspname AS sql_identifier) AS specific_schema,
CAST(nameconcatoid(p.proname, p.oid) AS sql_identifier) AS specific_name
FROM pg_namespace nc, pg_constraint c, pg_depend d, pg_proc p, pg_namespace np
WHERE nc.oid = c.connamespace
AND c.contype = 'c'
AND c.oid = d.objid
AND d.classid = 'pg_catalog.pg_constraint'::regclass
AND d.refobjid = p.oid
AND d.refclassid = 'pg_catalog.pg_proc'::regclass
AND p.pronamespace = np.oid
AND pg_has_role(p.proowner, 'USAGE');
GRANT SELECT ON check_constraint_routine_usage TO PUBLIC;
/*
* 5.14
* CHECK_CONSTRAINTS view
*/
CREATE VIEW check_constraints AS
SELECT CAST(current_database() AS sql_identifier) AS constraint_catalog,
CAST(rs.nspname AS sql_identifier) AS constraint_schema,
CAST(con.conname AS sql_identifier) AS constraint_name,
CAST(substring(pg_get_constraintdef(con.oid) from 7) AS character_data)
AS check_clause
FROM pg_constraint con
LEFT OUTER JOIN pg_namespace rs ON (rs.oid = con.connamespace)
LEFT OUTER JOIN pg_class c ON (c.oid = con.conrelid)
LEFT OUTER JOIN pg_type t ON (t.oid = con.contypid)
WHERE pg_has_role(coalesce(c.relowner, t.typowner), 'USAGE')
AND con.contype = 'c'
UNION
-- not-null constraints
SELECT CAST(current_database() AS sql_identifier) AS constraint_catalog,
CAST(n.nspname AS sql_identifier) AS constraint_schema,
CAST(CAST(n.oid AS text) || '_' || CAST(r.oid AS text) || '_' || CAST(a.attnum AS text) || '_not_null' AS sql_identifier) AS constraint_name, -- XXX
CAST(a.attname || ' IS NOT NULL' AS character_data)
AS check_clause
FROM pg_namespace n, pg_class r, pg_attribute a
WHERE n.oid = r.relnamespace
AND r.oid = a.attrelid
AND a.attnum > 0
AND NOT a.attisdropped
AND a.attnotnull
AND r.relkind IN ('r', 'p')
AND pg_has_role(r.relowner, 'USAGE');
GRANT SELECT ON check_constraints TO PUBLIC;
/*
* 5.15
* COLLATIONS view
*/
CREATE VIEW collations AS
SELECT CAST(current_database() AS sql_identifier) AS collation_catalog,
CAST(nc.nspname AS sql_identifier) AS collation_schema,
CAST(c.collname AS sql_identifier) AS collation_name,
CAST('NO PAD' AS character_data) AS pad_attribute
FROM pg_collation c, pg_namespace nc
WHERE c.collnamespace = nc.oid
AND collencoding IN (-1, (SELECT encoding FROM pg_database WHERE datname = current_database()));
GRANT SELECT ON collations TO PUBLIC;
/*
* 5.16
* COLLATION_CHARACTER_SET_APPLICABILITY view
*/
CREATE VIEW collation_character_set_applicability AS
SELECT CAST(current_database() AS sql_identifier) AS collation_catalog,
CAST(nc.nspname AS sql_identifier) AS collation_schema,
CAST(c.collname AS sql_identifier) AS collation_name,
CAST(null AS sql_identifier) AS character_set_catalog,
CAST(null AS sql_identifier) AS character_set_schema,
CAST(getdatabaseencoding() AS sql_identifier) AS character_set_name
FROM pg_collation c, pg_namespace nc
WHERE c.collnamespace = nc.oid
AND collencoding IN (-1, (SELECT encoding FROM pg_database WHERE datname = current_database()));
GRANT SELECT ON collation_character_set_applicability TO PUBLIC;
/*
* 5.17
* COLUMN_COLUMN_USAGE view
*/
CREATE VIEW column_column_usage AS
SELECT DISTINCT
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(n.nspname AS sql_identifier) AS table_schema,
CAST(c.relname AS sql_identifier) AS table_name,
CAST(ac.attname AS sql_identifier) AS column_name,
CAST(ad.attname AS sql_identifier) AS dependent_column
FROM pg_namespace n, pg_class c, pg_depend d,
pg_attribute ac, pg_attribute ad, pg_attrdef atd
WHERE n.oid = c.relnamespace
AND c.oid = ac.attrelid
AND c.oid = ad.attrelid
AND ac.attnum <> ad.attnum
AND ad.attrelid = atd.adrelid
AND ad.attnum = atd.adnum
AND d.classid = 'pg_catalog.pg_attrdef'::regclass
AND d.refclassid = 'pg_catalog.pg_class'::regclass
AND d.objid = atd.oid
AND d.refobjid = ac.attrelid
AND d.refobjsubid = ac.attnum
AND ad.attgenerated <> ''
AND pg_has_role(c.relowner, 'USAGE');
GRANT SELECT ON column_column_usage TO PUBLIC;
/*
* 5.18
* COLUMN_DOMAIN_USAGE view
*/
CREATE VIEW column_domain_usage AS
SELECT CAST(current_database() AS sql_identifier) AS domain_catalog,
CAST(nt.nspname AS sql_identifier) AS domain_schema,
CAST(t.typname AS sql_identifier) AS domain_name,
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nc.nspname AS sql_identifier) AS table_schema,
CAST(c.relname AS sql_identifier) AS table_name,
CAST(a.attname AS sql_identifier) AS column_name
FROM pg_type t, pg_namespace nt, pg_class c, pg_namespace nc,
pg_attribute a
WHERE t.typnamespace = nt.oid
AND c.relnamespace = nc.oid
AND a.attrelid = c.oid
AND a.atttypid = t.oid
AND t.typtype = 'd'
AND c.relkind IN ('r', 'v', 'f', 'p')
AND a.attnum > 0
AND NOT a.attisdropped
AND pg_has_role(t.typowner, 'USAGE');
GRANT SELECT ON column_domain_usage TO PUBLIC;
/*
* 5.19
* COLUMN_PRIVILEGES
*/
CREATE VIEW column_privileges AS
SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor,
CAST(grantee.rolname AS sql_identifier) AS grantee,
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nc.nspname AS sql_identifier) AS table_schema,
CAST(x.relname AS sql_identifier) AS table_name,
CAST(x.attname AS sql_identifier) AS column_name,
CAST(x.prtype AS character_data) AS privilege_type,
CAST(
CASE WHEN
-- object owner always has grant options
pg_has_role(x.grantee, x.relowner, 'USAGE')
OR x.grantable
THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
FROM (
SELECT pr_c.grantor,
pr_c.grantee,
attname,
relname,
relnamespace,
pr_c.prtype,
pr_c.grantable,
pr_c.relowner
FROM (SELECT oid, relname, relnamespace, relowner, (aclexplode(coalesce(relacl, acldefault('r', relowner)))).*
FROM pg_class
WHERE relkind IN ('r', 'v', 'f', 'p')
) pr_c (oid, relname, relnamespace, relowner, grantor, grantee, prtype, grantable),
pg_attribute a
WHERE a.attrelid = pr_c.oid
AND a.attnum > 0
AND NOT a.attisdropped
UNION
SELECT pr_a.grantor,
pr_a.grantee,
attname,
relname,
relnamespace,
pr_a.prtype,
pr_a.grantable,
c.relowner
FROM (SELECT attrelid, attname, (aclexplode(coalesce(attacl, acldefault('c', relowner)))).*
FROM pg_attribute a JOIN pg_class cc ON (a.attrelid = cc.oid)
WHERE attnum > 0
AND NOT attisdropped
) pr_a (attrelid, attname, grantor, grantee, prtype, grantable),
pg_class c
WHERE pr_a.attrelid = c.oid
AND relkind IN ('r', 'v', 'f', 'p')
) x,
pg_namespace nc,
pg_authid u_grantor,
(
SELECT oid, rolname FROM pg_authid
UNION ALL
SELECT 0::oid, 'PUBLIC'
) AS grantee (oid, rolname)
WHERE x.relnamespace = nc.oid
AND x.grantee = grantee.oid
AND x.grantor = u_grantor.oid
AND x.prtype IN ('INSERT', 'SELECT', 'UPDATE', 'REFERENCES')
AND (pg_has_role(u_grantor.oid, 'USAGE')
OR pg_has_role(grantee.oid, 'USAGE')
OR grantee.rolname = 'PUBLIC');
GRANT SELECT ON column_privileges TO PUBLIC;
/*
* 5.20
* COLUMN_UDT_USAGE view
*/
CREATE VIEW column_udt_usage AS
SELECT CAST(current_database() AS sql_identifier) AS udt_catalog,
CAST(coalesce(nbt.nspname, nt.nspname) AS sql_identifier) AS udt_schema,
CAST(coalesce(bt.typname, t.typname) AS sql_identifier) AS udt_name,
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nc.nspname AS sql_identifier) AS table_schema,
CAST(c.relname AS sql_identifier) AS table_name,
CAST(a.attname AS sql_identifier) AS column_name
FROM pg_attribute a, pg_class c, pg_namespace nc,
(pg_type t JOIN pg_namespace nt ON (t.typnamespace = nt.oid))
LEFT JOIN (pg_type bt JOIN pg_namespace nbt ON (bt.typnamespace = nbt.oid))
ON (t.typtype = 'd' AND t.typbasetype = bt.oid)
WHERE a.attrelid = c.oid
AND a.atttypid = t.oid
AND nc.oid = c.relnamespace
AND a.attnum > 0 AND NOT a.attisdropped
AND c.relkind in ('r', 'v', 'f', 'p')
AND pg_has_role(coalesce(bt.typowner, t.typowner), 'USAGE');
GRANT SELECT ON column_udt_usage TO PUBLIC;
/*
* 5.21
* COLUMNS view
*/
CREATE VIEW columns AS
SELECT CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nc.nspname AS sql_identifier) AS table_schema,
CAST(c.relname AS sql_identifier) AS table_name,
CAST(a.attname AS sql_identifier) AS column_name,
CAST(a.attnum AS cardinal_number) AS ordinal_position,
CAST(CASE WHEN a.attgenerated = '' THEN pg_get_expr(ad.adbin, ad.adrelid) END AS character_data) AS column_default,
CAST(CASE WHEN a.attnotnull OR (t.typtype = 'd' AND t.typnotnull) THEN 'NO' ELSE 'YES' END
AS yes_or_no)
AS is_nullable,
CAST(
CASE WHEN t.typtype = 'd' THEN
CASE WHEN bt.typelem <> 0 AND bt.typlen = -1 THEN 'ARRAY'
WHEN nbt.nspname = 'pg_catalog' THEN format_type(t.typbasetype, null)
ELSE 'USER-DEFINED' END
ELSE
CASE WHEN t.typelem <> 0 AND t.typlen = -1 THEN 'ARRAY'
WHEN nt.nspname = 'pg_catalog' THEN format_type(a.atttypid, null)
ELSE 'USER-DEFINED' END
END
AS character_data)
AS data_type,
CAST(
_pg_char_max_length(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS character_maximum_length,
CAST(
_pg_char_octet_length(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS character_octet_length,
CAST(
_pg_numeric_precision(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS numeric_precision,
CAST(
_pg_numeric_precision_radix(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS numeric_precision_radix,
CAST(
_pg_numeric_scale(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS numeric_scale,
CAST(
_pg_datetime_precision(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS cardinal_number)
AS datetime_precision,
CAST(
_pg_interval_type(_pg_truetypid(a, t), _pg_truetypmod(a, t))
AS character_data)
AS interval_type,
CAST(null AS cardinal_number) AS interval_precision,
CAST(null AS sql_identifier) AS character_set_catalog,
CAST(null AS sql_identifier) AS character_set_schema,
CAST(null AS sql_identifier) AS character_set_name,
CAST(CASE WHEN nco.nspname IS NOT NULL THEN current_database() END AS sql_identifier) AS collation_catalog,
CAST(nco.nspname AS sql_identifier) AS collation_schema,
CAST(co.collname AS sql_identifier) AS collation_name,
CAST(CASE WHEN t.typtype = 'd' THEN current_database() ELSE null END
AS sql_identifier) AS domain_catalog,
CAST(CASE WHEN t.typtype = 'd' THEN nt.nspname ELSE null END
AS sql_identifier) AS domain_schema,
CAST(CASE WHEN t.typtype = 'd' THEN t.typname ELSE null END
AS sql_identifier) AS domain_name,
CAST(current_database() AS sql_identifier) AS udt_catalog,
CAST(coalesce(nbt.nspname, nt.nspname) AS sql_identifier) AS udt_schema,
CAST(coalesce(bt.typname, t.typname) AS sql_identifier) AS udt_name,
CAST(null AS sql_identifier) AS scope_catalog,
CAST(null AS sql_identifier) AS scope_schema,
CAST(null AS sql_identifier) AS scope_name,
CAST(null AS cardinal_number) AS maximum_cardinality,
CAST(a.attnum AS sql_identifier) AS dtd_identifier,
CAST('NO' AS yes_or_no) AS is_self_referencing,
CAST(CASE WHEN a.attidentity IN ('a', 'd') THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_identity,
CAST(CASE a.attidentity WHEN 'a' THEN 'ALWAYS' WHEN 'd' THEN 'BY DEFAULT' END AS character_data) AS identity_generation,
CAST(seq.seqstart AS character_data) AS identity_start,
CAST(seq.seqincrement AS character_data) AS identity_increment,
CAST(seq.seqmax AS character_data) AS identity_maximum,
CAST(seq.seqmin AS character_data) AS identity_minimum,
CAST(CASE WHEN seq.seqcycle THEN 'YES' ELSE 'NO' END AS yes_or_no) AS identity_cycle,
CAST(CASE WHEN a.attgenerated <> '' THEN 'ALWAYS' ELSE 'NEVER' END AS character_data) AS is_generated,
CAST(CASE WHEN a.attgenerated <> '' THEN pg_get_expr(ad.adbin, ad.adrelid) END AS character_data) AS generation_expression,
CAST(CASE WHEN c.relkind IN ('r', 'p') OR
(c.relkind IN ('v', 'f') AND
pg_column_is_updatable(c.oid, a.attnum, false))
THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_updatable
FROM (pg_attribute a LEFT JOIN pg_attrdef ad ON attrelid = adrelid AND attnum = adnum)
JOIN (pg_class c JOIN pg_namespace nc ON (c.relnamespace = nc.oid)) ON a.attrelid = c.oid
JOIN (pg_type t JOIN pg_namespace nt ON (t.typnamespace = nt.oid)) ON a.atttypid = t.oid
LEFT JOIN (pg_type bt JOIN pg_namespace nbt ON (bt.typnamespace = nbt.oid))
ON (t.typtype = 'd' AND t.typbasetype = bt.oid)
LEFT JOIN (pg_collation co JOIN pg_namespace nco ON (co.collnamespace = nco.oid))
ON a.attcollation = co.oid AND (nco.nspname, co.collname) <> ('pg_catalog', 'default')
LEFT JOIN (pg_depend dep JOIN pg_sequence seq ON (dep.classid = 'pg_class'::regclass AND dep.objid = seq.seqrelid AND dep.deptype = 'i'))
ON (dep.refclassid = 'pg_class'::regclass AND dep.refobjid = c.oid AND dep.refobjsubid = a.attnum)
WHERE (NOT pg_is_other_temp_schema(nc.oid))
AND a.attnum > 0 AND NOT a.attisdropped
AND c.relkind IN ('r', 'v', 'f', 'p')
AND (pg_has_role(c.relowner, 'USAGE')
OR has_column_privilege(c.oid, a.attnum,
'SELECT, INSERT, UPDATE, REFERENCES'));
GRANT SELECT ON columns TO PUBLIC;
/*
* 5.22
* CONSTRAINT_COLUMN_USAGE view
*/
CREATE VIEW constraint_column_usage AS
SELECT CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(tblschema AS sql_identifier) AS table_schema,
CAST(tblname AS sql_identifier) AS table_name,
CAST(colname AS sql_identifier) AS column_name,
CAST(current_database() AS sql_identifier) AS constraint_catalog,
CAST(cstrschema AS sql_identifier) AS constraint_schema,
CAST(cstrname AS sql_identifier) AS constraint_name
FROM (
/* check constraints */
SELECT DISTINCT nr.nspname, r.relname, r.relowner, a.attname, nc.nspname, c.conname
FROM pg_namespace nr, pg_class r, pg_attribute a, pg_depend d, pg_namespace nc, pg_constraint c
WHERE nr.oid = r.relnamespace
AND r.oid = a.attrelid
AND d.refclassid = 'pg_catalog.pg_class'::regclass
AND d.refobjid = r.oid
AND d.refobjsubid = a.attnum
AND d.classid = 'pg_catalog.pg_constraint'::regclass
AND d.objid = c.oid
AND c.connamespace = nc.oid
AND c.contype = 'c'
AND r.relkind IN ('r', 'p')
AND NOT a.attisdropped
UNION ALL
/* unique/primary key/foreign key constraints */
SELECT nr.nspname, r.relname, r.relowner, a.attname, nc.nspname, c.conname
FROM pg_namespace nr, pg_class r, pg_attribute a, pg_namespace nc,
pg_constraint c
WHERE nr.oid = r.relnamespace
AND r.oid = a.attrelid
AND nc.oid = c.connamespace
AND r.oid = CASE c.contype WHEN 'f' THEN c.confrelid ELSE c.conrelid END
AND a.attnum = ANY (CASE c.contype WHEN 'f' THEN c.confkey ELSE c.conkey END)
AND NOT a.attisdropped
AND c.contype IN ('p', 'u', 'f')
AND r.relkind IN ('r', 'p')
) AS x (tblschema, tblname, tblowner, colname, cstrschema, cstrname)
WHERE pg_has_role(x.tblowner, 'USAGE');
GRANT SELECT ON constraint_column_usage TO PUBLIC;
/*
* 5.23
* CONSTRAINT_PERIOD_USAGE view
*/
-- feature not supported
/*
* 5.24
* CONSTRAINT_TABLE_USAGE view
*/
CREATE VIEW constraint_table_usage AS
SELECT CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nr.nspname AS sql_identifier) AS table_schema,
CAST(r.relname AS sql_identifier) AS table_name,
CAST(current_database() AS sql_identifier) AS constraint_catalog,
CAST(nc.nspname AS sql_identifier) AS constraint_schema,
CAST(c.conname AS sql_identifier) AS constraint_name
FROM pg_constraint c, pg_namespace nc,
pg_class r, pg_namespace nr
WHERE c.connamespace = nc.oid AND r.relnamespace = nr.oid
AND ( (c.contype = 'f' AND c.confrelid = r.oid)
OR (c.contype IN ('p', 'u') AND c.conrelid = r.oid) )
AND r.relkind IN ('r', 'p')
AND pg_has_role(r.relowner, 'USAGE');
GRANT SELECT ON constraint_table_usage TO PUBLIC;
-- 5.25 DATA_TYPE_PRIVILEGES view appears later.
/*
* 5.26
* DIRECT_SUPERTABLES view
*/
-- feature not supported
/*
* 5.27
* DIRECT_SUPERTYPES view
*/
-- feature not supported
/*
* 5.28
* DOMAIN_CONSTRAINTS view
*/
CREATE VIEW domain_constraints AS
SELECT CAST(current_database() AS sql_identifier) AS constraint_catalog,
CAST(rs.nspname AS sql_identifier) AS constraint_schema,
CAST(con.conname AS sql_identifier) AS constraint_name,
CAST(current_database() AS sql_identifier) AS domain_catalog,
CAST(n.nspname AS sql_identifier) AS domain_schema,
CAST(t.typname AS sql_identifier) AS domain_name,
CAST(CASE WHEN condeferrable THEN 'YES' ELSE 'NO' END
AS yes_or_no) AS is_deferrable,
CAST(CASE WHEN condeferred THEN 'YES' ELSE 'NO' END
AS yes_or_no) AS initially_deferred
FROM pg_namespace rs, pg_namespace n, pg_constraint con, pg_type t
WHERE rs.oid = con.connamespace
AND n.oid = t.typnamespace
AND t.oid = con.contypid
AND (pg_has_role(t.typowner, 'USAGE')
OR has_type_privilege(t.oid, 'USAGE'));
GRANT SELECT ON domain_constraints TO PUBLIC;
/*
* DOMAIN_UDT_USAGE view
* apparently removed in SQL:2003
*/
CREATE VIEW domain_udt_usage AS
SELECT CAST(current_database() AS sql_identifier) AS udt_catalog,
CAST(nbt.nspname AS sql_identifier) AS udt_schema,
CAST(bt.typname AS sql_identifier) AS udt_name,
CAST(current_database() AS sql_identifier) AS domain_catalog,
CAST(nt.nspname AS sql_identifier) AS domain_schema,
CAST(t.typname AS sql_identifier) AS domain_name
FROM pg_type t, pg_namespace nt,
pg_type bt, pg_namespace nbt
WHERE t.typnamespace = nt.oid
AND t.typbasetype = bt.oid
AND bt.typnamespace = nbt.oid
AND t.typtype = 'd'
AND pg_has_role(bt.typowner, 'USAGE');
GRANT SELECT ON domain_udt_usage TO PUBLIC;
/*
* 5.29
* DOMAINS view
*/
CREATE VIEW domains AS
SELECT CAST(current_database() AS sql_identifier) AS domain_catalog,
CAST(nt.nspname AS sql_identifier) AS domain_schema,
CAST(t.typname AS sql_identifier) AS domain_name,
CAST(
CASE WHEN t.typelem <> 0 AND t.typlen = -1 THEN 'ARRAY'
WHEN nbt.nspname = 'pg_catalog' THEN format_type(t.typbasetype, null)
ELSE 'USER-DEFINED' END
AS character_data)
AS data_type,
CAST(
_pg_char_max_length(t.typbasetype, t.typtypmod)
AS cardinal_number)
AS character_maximum_length,
CAST(
_pg_char_octet_length(t.typbasetype, t.typtypmod)
AS cardinal_number)
AS character_octet_length,
CAST(null AS sql_identifier) AS character_set_catalog,
CAST(null AS sql_identifier) AS character_set_schema,
CAST(null AS sql_identifier) AS character_set_name,
CAST(CASE WHEN nco.nspname IS NOT NULL THEN current_database() END AS sql_identifier) AS collation_catalog,
CAST(nco.nspname AS sql_identifier) AS collation_schema,
CAST(co.collname AS sql_identifier) AS collation_name,
CAST(
_pg_numeric_precision(t.typbasetype, t.typtypmod)
AS cardinal_number)
AS numeric_precision,
CAST(
_pg_numeric_precision_radix(t.typbasetype, t.typtypmod)
AS cardinal_number)
AS numeric_precision_radix,
CAST(
_pg_numeric_scale(t.typbasetype, t.typtypmod)
AS cardinal_number)
AS numeric_scale,
CAST(
_pg_datetime_precision(t.typbasetype, t.typtypmod)
AS cardinal_number)
AS datetime_precision,
CAST(
_pg_interval_type(t.typbasetype, t.typtypmod)
AS character_data)
AS interval_type,
CAST(null AS cardinal_number) AS interval_precision,
CAST(t.typdefault AS character_data) AS domain_default,
CAST(current_database() AS sql_identifier) AS udt_catalog,
CAST(nbt.nspname AS sql_identifier) AS udt_schema,
CAST(bt.typname AS sql_identifier) AS udt_name,
CAST(null AS sql_identifier) AS scope_catalog,
CAST(null AS sql_identifier) AS scope_schema,
CAST(null AS sql_identifier) AS scope_name,
CAST(null AS cardinal_number) AS maximum_cardinality,
CAST(1 AS sql_identifier) AS dtd_identifier
FROM (pg_type t JOIN pg_namespace nt ON t.typnamespace = nt.oid)
JOIN (pg_type bt JOIN pg_namespace nbt ON bt.typnamespace = nbt.oid)
ON (t.typbasetype = bt.oid AND t.typtype = 'd')
LEFT JOIN (pg_collation co JOIN pg_namespace nco ON (co.collnamespace = nco.oid))
ON t.typcollation = co.oid AND (nco.nspname, co.collname) <> ('pg_catalog', 'default')
WHERE (pg_has_role(t.typowner, 'USAGE')
OR has_type_privilege(t.oid, 'USAGE'));
GRANT SELECT ON domains TO PUBLIC;
-- 5.30 ELEMENT_TYPES view appears later.
/*
* 5.31
* ENABLED_ROLES view
*/
CREATE VIEW enabled_roles AS
SELECT CAST(a.rolname AS sql_identifier) AS role_name
FROM pg_authid a
WHERE pg_has_role(a.oid, 'USAGE');
GRANT SELECT ON enabled_roles TO PUBLIC;
/*
* 5.32
* FIELDS view
*/
-- feature not supported
/*
* 5.33
* KEY_COLUMN_USAGE view
*/
CREATE VIEW key_column_usage AS
SELECT CAST(current_database() AS sql_identifier) AS constraint_catalog,
CAST(nc_nspname AS sql_identifier) AS constraint_schema,
CAST(conname AS sql_identifier) AS constraint_name,
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nr_nspname AS sql_identifier) AS table_schema,
CAST(relname AS sql_identifier) AS table_name,
CAST(a.attname AS sql_identifier) AS column_name,
CAST((ss.x).n AS cardinal_number) AS ordinal_position,
CAST(CASE WHEN contype = 'f' THEN
_pg_index_position(ss.conindid, ss.confkey[(ss.x).n])
ELSE NULL
END AS cardinal_number)
AS position_in_unique_constraint
FROM pg_attribute a,
(SELECT r.oid AS roid, r.relname, r.relowner,
nc.nspname AS nc_nspname, nr.nspname AS nr_nspname,
c.oid AS coid, c.conname, c.contype, c.conindid,
c.confkey, c.confrelid,
_pg_expandarray(c.conkey) AS x
FROM pg_namespace nr, pg_class r, pg_namespace nc,
pg_constraint c
WHERE nr.oid = r.relnamespace
AND r.oid = c.conrelid
AND nc.oid = c.connamespace
AND c.contype IN ('p', 'u', 'f')
AND r.relkind IN ('r', 'p')
AND (NOT pg_is_other_temp_schema(nr.oid)) ) AS ss
WHERE ss.roid = a.attrelid
AND a.attnum = (ss.x).x
AND NOT a.attisdropped
AND (pg_has_role(relowner, 'USAGE')
OR has_column_privilege(roid, a.attnum,
'SELECT, INSERT, UPDATE, REFERENCES'));
GRANT SELECT ON key_column_usage TO PUBLIC;
/*
* 5.34
* KEY_PERIOD_USAGE view
*/
-- feature not supported
/*
* 5.35
* METHOD_SPECIFICATION_PARAMETERS view
*/
-- feature not supported
/*
* 5.36
* METHOD_SPECIFICATIONS view
*/
-- feature not supported
/*
* 5.37
* PARAMETERS view
*/
CREATE VIEW parameters AS
SELECT CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(n_nspname AS sql_identifier) AS specific_schema,
CAST(nameconcatoid(proname, p_oid) AS sql_identifier) AS specific_name,
CAST((ss.x).n AS cardinal_number) AS ordinal_position,
CAST(
CASE WHEN proargmodes IS NULL THEN 'IN'
WHEN proargmodes[(ss.x).n] = 'i' THEN 'IN'
WHEN proargmodes[(ss.x).n] = 'o' THEN 'OUT'
WHEN proargmodes[(ss.x).n] = 'b' THEN 'INOUT'
WHEN proargmodes[(ss.x).n] = 'v' THEN 'IN'
WHEN proargmodes[(ss.x).n] = 't' THEN 'OUT'
END AS character_data) AS parameter_mode,
CAST('NO' AS yes_or_no) AS is_result,
CAST('NO' AS yes_or_no) AS as_locator,
CAST(NULLIF(proargnames[(ss.x).n], '') AS sql_identifier) AS parameter_name,
CAST(
CASE WHEN t.typelem <> 0 AND t.typlen = -1 THEN 'ARRAY'
WHEN nt.nspname = 'pg_catalog' THEN format_type(t.oid, null)
ELSE 'USER-DEFINED' END AS character_data)
AS data_type,
CAST(null AS cardinal_number) AS character_maximum_length,
CAST(null AS cardinal_number) AS character_octet_length,
CAST(null AS sql_identifier) AS character_set_catalog,
CAST(null AS sql_identifier) AS character_set_schema,
CAST(null AS sql_identifier) AS character_set_name,
CAST(null AS sql_identifier) AS collation_catalog,
CAST(null AS sql_identifier) AS collation_schema,
CAST(null AS sql_identifier) AS collation_name,
CAST(null AS cardinal_number) AS numeric_precision,
CAST(null AS cardinal_number) AS numeric_precision_radix,
CAST(null AS cardinal_number) AS numeric_scale,
CAST(null AS cardinal_number) AS datetime_precision,
CAST(null AS character_data) AS interval_type,
CAST(null AS cardinal_number) AS interval_precision,
CAST(current_database() AS sql_identifier) AS udt_catalog,
CAST(nt.nspname AS sql_identifier) AS udt_schema,
CAST(t.typname AS sql_identifier) AS udt_name,
CAST(null AS sql_identifier) AS scope_catalog,
CAST(null AS sql_identifier) AS scope_schema,
CAST(null AS sql_identifier) AS scope_name,
CAST(null AS cardinal_number) AS maximum_cardinality,
CAST((ss.x).n AS sql_identifier) AS dtd_identifier,
CAST(
CASE WHEN pg_has_role(proowner, 'USAGE')
THEN pg_get_function_arg_default(p_oid, (ss.x).n)
ELSE NULL END
AS character_data) AS parameter_default
FROM pg_type t, pg_namespace nt,
(SELECT n.nspname AS n_nspname, p.proname, p.oid AS p_oid, p.proowner,
p.proargnames, p.proargmodes,
_pg_expandarray(coalesce(p.proallargtypes, p.proargtypes::oid[])) AS x
FROM pg_namespace n, pg_proc p
WHERE n.oid = p.pronamespace
AND (pg_has_role(p.proowner, 'USAGE') OR
has_function_privilege(p.oid, 'EXECUTE'))) AS ss
WHERE t.oid = (ss.x).x AND t.typnamespace = nt.oid;
GRANT SELECT ON parameters TO PUBLIC;
/*
* 5.38
* PERIODS view
*/
-- feature not supported
/*
* 5.39
* PRIVATE_PARAMETERS view
*/
-- feature not supported
/*
* 5.40
* REFERENCED_TYPES view
*/
-- feature not supported
/*
* 5.41
* REFERENTIAL_CONSTRAINTS view
*/
CREATE VIEW referential_constraints AS
SELECT CAST(current_database() AS sql_identifier) AS constraint_catalog,
CAST(ncon.nspname AS sql_identifier) AS constraint_schema,
CAST(con.conname AS sql_identifier) AS constraint_name,
CAST(
CASE WHEN npkc.nspname IS NULL THEN NULL
ELSE current_database() END
AS sql_identifier) AS unique_constraint_catalog,
CAST(npkc.nspname AS sql_identifier) AS unique_constraint_schema,
CAST(pkc.conname AS sql_identifier) AS unique_constraint_name,
CAST(
CASE con.confmatchtype WHEN 'f' THEN 'FULL'
WHEN 'p' THEN 'PARTIAL'
WHEN 's' THEN 'NONE' END
AS character_data) AS match_option,
CAST(
CASE con.confupdtype WHEN 'c' THEN 'CASCADE'
WHEN 'n' THEN 'SET NULL'
WHEN 'd' THEN 'SET DEFAULT'
WHEN 'r' THEN 'RESTRICT'
WHEN 'a' THEN 'NO ACTION' END
AS character_data) AS update_rule,
CAST(
CASE con.confdeltype WHEN 'c' THEN 'CASCADE'
WHEN 'n' THEN 'SET NULL'
WHEN 'd' THEN 'SET DEFAULT'
WHEN 'r' THEN 'RESTRICT'
WHEN 'a' THEN 'NO ACTION' END
AS character_data) AS delete_rule
FROM (pg_namespace ncon
INNER JOIN pg_constraint con ON ncon.oid = con.connamespace
INNER JOIN pg_class c ON con.conrelid = c.oid AND con.contype = 'f')
LEFT JOIN pg_depend d1 -- find constraint's dependency on an index
ON d1.objid = con.oid AND d1.classid = 'pg_constraint'::regclass
AND d1.refclassid = 'pg_class'::regclass AND d1.refobjsubid = 0
LEFT JOIN pg_depend d2 -- find pkey/unique constraint for that index
ON d2.refclassid = 'pg_constraint'::regclass
AND d2.classid = 'pg_class'::regclass
AND d2.objid = d1.refobjid AND d2.objsubid = 0
AND d2.deptype = 'i'
LEFT JOIN pg_constraint pkc ON pkc.oid = d2.refobjid
AND pkc.contype IN ('p', 'u')
AND pkc.conrelid = con.confrelid
LEFT JOIN pg_namespace npkc ON pkc.connamespace = npkc.oid
WHERE pg_has_role(c.relowner, 'USAGE')
-- SELECT privilege omitted, per SQL standard
OR has_table_privilege(c.oid, 'INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER')
OR has_any_column_privilege(c.oid, 'INSERT, UPDATE, REFERENCES') ;
GRANT SELECT ON referential_constraints TO PUBLIC;
/*
* 5.42
* ROLE_COLUMN_GRANTS view
*/
CREATE VIEW role_column_grants AS
SELECT grantor,
grantee,
table_catalog,
table_schema,
table_name,
column_name,
privilege_type,
is_grantable
FROM column_privileges
WHERE grantor IN (SELECT role_name FROM enabled_roles)
OR grantee IN (SELECT role_name FROM enabled_roles);
GRANT SELECT ON role_column_grants TO PUBLIC;
-- 5.43 ROLE_ROUTINE_GRANTS view is based on 5.50 ROUTINE_PRIVILEGES and is defined there instead.
-- 5.44 ROLE_TABLE_GRANTS view is based on 5.63 TABLE_PRIVILEGES and is defined there instead.
/*
* 5.45
* ROLE_TABLE_METHOD_GRANTS view
*/
-- feature not supported
-- 5.46 ROLE_USAGE_GRANTS view is based on 5.75 USAGE_PRIVILEGES and is defined there instead.
-- 5.47 ROLE_UDT_GRANTS view is based on 5.74 UDT_PRIVILEGES and is defined there instead.
/*
* 5.48
* ROUTINE_COLUMN_USAGE view
*/
CREATE VIEW routine_column_usage AS
SELECT DISTINCT
CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(np.nspname AS sql_identifier) AS specific_schema,
CAST(nameconcatoid(p.proname, p.oid) AS sql_identifier) AS specific_name,
CAST(current_database() AS sql_identifier) AS routine_catalog,
CAST(np.nspname AS sql_identifier) AS routine_schema,
CAST(p.proname AS sql_identifier) AS routine_name,
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nt.nspname AS sql_identifier) AS table_schema,
CAST(t.relname AS sql_identifier) AS table_name,
CAST(a.attname AS sql_identifier) AS column_name
FROM pg_namespace np, pg_proc p, pg_depend d,
pg_class t, pg_namespace nt, pg_attribute a
WHERE np.oid = p.pronamespace
AND p.oid = d.objid
AND d.classid = 'pg_catalog.pg_proc'::regclass
AND d.refobjid = t.oid
AND d.refclassid = 'pg_catalog.pg_class'::regclass
AND t.relnamespace = nt.oid
AND t.relkind IN ('r', 'v', 'f', 'p')
AND t.oid = a.attrelid
AND d.refobjsubid = a.attnum
AND pg_has_role(t.relowner, 'USAGE');
GRANT SELECT ON routine_column_usage TO PUBLIC;
/*
* 5.49
* ROUTINE_PERIOD_USAGE view
*/
-- feature not supported
/*
* 5.50
* ROUTINE_PRIVILEGES view
*/
CREATE VIEW routine_privileges AS
SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor,
CAST(grantee.rolname AS sql_identifier) AS grantee,
CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(n.nspname AS sql_identifier) AS specific_schema,
CAST(nameconcatoid(p.proname, p.oid) AS sql_identifier) AS specific_name,
CAST(current_database() AS sql_identifier) AS routine_catalog,
CAST(n.nspname AS sql_identifier) AS routine_schema,
CAST(p.proname AS sql_identifier) AS routine_name,
CAST('EXECUTE' AS character_data) AS privilege_type,
CAST(
CASE WHEN
-- object owner always has grant options
pg_has_role(grantee.oid, p.proowner, 'USAGE')
OR p.grantable
THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
FROM (
SELECT oid, proname, proowner, pronamespace, (aclexplode(coalesce(proacl, acldefault('f', proowner)))).* FROM pg_proc
) p (oid, proname, proowner, pronamespace, grantor, grantee, prtype, grantable),
pg_namespace n,
pg_authid u_grantor,
(
SELECT oid, rolname FROM pg_authid
UNION ALL
SELECT 0::oid, 'PUBLIC'
) AS grantee (oid, rolname)
WHERE p.pronamespace = n.oid
AND grantee.oid = p.grantee
AND u_grantor.oid = p.grantor
AND p.prtype IN ('EXECUTE')
AND (pg_has_role(u_grantor.oid, 'USAGE')
OR pg_has_role(grantee.oid, 'USAGE')
OR grantee.rolname = 'PUBLIC');
GRANT SELECT ON routine_privileges TO PUBLIC;
/*
* 5.42
* ROLE_ROUTINE_GRANTS view
*/
CREATE VIEW role_routine_grants AS
SELECT grantor,
grantee,
specific_catalog,
specific_schema,
specific_name,
routine_catalog,
routine_schema,
routine_name,
privilege_type,
is_grantable
FROM routine_privileges
WHERE grantor IN (SELECT role_name FROM enabled_roles)
OR grantee IN (SELECT role_name FROM enabled_roles);
GRANT SELECT ON role_routine_grants TO PUBLIC;
/*
* 5.51
* ROUTINE_ROUTINE_USAGE view
*/
CREATE VIEW routine_routine_usage AS
SELECT DISTINCT
CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(np.nspname AS sql_identifier) AS specific_schema,
CAST(nameconcatoid(p.proname, p.oid) AS sql_identifier) AS specific_name,
CAST(current_database() AS sql_identifier) AS routine_catalog,
CAST(np1.nspname AS sql_identifier) AS routine_schema,
CAST(nameconcatoid(p1.proname, p1.oid) AS sql_identifier) AS routine_name
FROM pg_namespace np, pg_proc p, pg_depend d,
pg_proc p1, pg_namespace np1
WHERE np.oid = p.pronamespace
AND p.oid = d.objid
AND d.classid = 'pg_catalog.pg_proc'::regclass
AND d.refobjid = p1.oid
AND d.refclassid = 'pg_catalog.pg_proc'::regclass
AND p1.pronamespace = np1.oid
AND p.prokind IN ('f', 'p') AND p1.prokind IN ('f', 'p')
AND pg_has_role(p1.proowner, 'USAGE');
GRANT SELECT ON routine_routine_usage TO PUBLIC;
/*
* 5.52
* ROUTINE_SEQUENCE_USAGE view
*/
CREATE VIEW routine_sequence_usage AS
SELECT DISTINCT
CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(np.nspname AS sql_identifier) AS specific_schema,
CAST(nameconcatoid(p.proname, p.oid) AS sql_identifier) AS specific_name,
CAST(current_database() AS sql_identifier) AS routine_catalog,
CAST(np.nspname AS sql_identifier) AS routine_schema,
CAST(p.proname AS sql_identifier) AS routine_name,
CAST(current_database() AS sql_identifier) AS sequence_catalog,
CAST(ns.nspname AS sql_identifier) AS sequence_schema,
CAST(s.relname AS sql_identifier) AS sequence_name
FROM pg_namespace np, pg_proc p, pg_depend d,
pg_class s, pg_namespace ns
WHERE np.oid = p.pronamespace
AND p.oid = d.objid
AND d.classid = 'pg_catalog.pg_proc'::regclass
AND d.refobjid = s.oid
AND d.refclassid = 'pg_catalog.pg_class'::regclass
AND s.relnamespace = ns.oid
AND s.relkind = 'S'
AND pg_has_role(s.relowner, 'USAGE');
GRANT SELECT ON routine_sequence_usage TO PUBLIC;
/*
* 5.53
* ROUTINE_TABLE_USAGE view
*/
CREATE VIEW routine_table_usage AS
SELECT DISTINCT
CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(np.nspname AS sql_identifier) AS specific_schema,
CAST(nameconcatoid(p.proname, p.oid) AS sql_identifier) AS specific_name,
CAST(current_database() AS sql_identifier) AS routine_catalog,
CAST(np.nspname AS sql_identifier) AS routine_schema,
CAST(p.proname AS sql_identifier) AS routine_name,
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nt.nspname AS sql_identifier) AS table_schema,
CAST(t.relname AS sql_identifier) AS table_name
FROM pg_namespace np, pg_proc p, pg_depend d,
pg_class t, pg_namespace nt
WHERE np.oid = p.pronamespace
AND p.oid = d.objid
AND d.classid = 'pg_catalog.pg_proc'::regclass
AND d.refobjid = t.oid
AND d.refclassid = 'pg_catalog.pg_class'::regclass
AND t.relnamespace = nt.oid
AND t.relkind IN ('r', 'v', 'f', 'p')
AND pg_has_role(t.relowner, 'USAGE');
GRANT SELECT ON routine_table_usage TO PUBLIC;
/*
* 5.54
* ROUTINES view
*/
CREATE VIEW routines AS
SELECT CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(n.nspname AS sql_identifier) AS specific_schema,
CAST(nameconcatoid(p.proname, p.oid) AS sql_identifier) AS specific_name,
CAST(current_database() AS sql_identifier) AS routine_catalog,
CAST(n.nspname AS sql_identifier) AS routine_schema,
CAST(p.proname AS sql_identifier) AS routine_name,
CAST(CASE p.prokind WHEN 'f' THEN 'FUNCTION' WHEN 'p' THEN 'PROCEDURE' END
AS character_data) AS routine_type,
CAST(null AS sql_identifier) AS module_catalog,
CAST(null AS sql_identifier) AS module_schema,
CAST(null AS sql_identifier) AS module_name,
CAST(null AS sql_identifier) AS udt_catalog,
CAST(null AS sql_identifier) AS udt_schema,
CAST(null AS sql_identifier) AS udt_name,
CAST(
CASE WHEN p.prokind = 'p' THEN NULL
WHEN t.typelem <> 0 AND t.typlen = -1 THEN 'ARRAY'
WHEN nt.nspname = 'pg_catalog' THEN format_type(t.oid, null)
ELSE 'USER-DEFINED' END AS character_data)
AS data_type,
CAST(null AS cardinal_number) AS character_maximum_length,
CAST(null AS cardinal_number) AS character_octet_length,
CAST(null AS sql_identifier) AS character_set_catalog,
CAST(null AS sql_identifier) AS character_set_schema,
CAST(null AS sql_identifier) AS character_set_name,
CAST(null AS sql_identifier) AS collation_catalog,
CAST(null AS sql_identifier) AS collation_schema,
CAST(null AS sql_identifier) AS collation_name,
CAST(null AS cardinal_number) AS numeric_precision,
CAST(null AS cardinal_number) AS numeric_precision_radix,
CAST(null AS cardinal_number) AS numeric_scale,
CAST(null AS cardinal_number) AS datetime_precision,
CAST(null AS character_data) AS interval_type,
CAST(null AS cardinal_number) AS interval_precision,
CAST(CASE WHEN nt.nspname IS NOT NULL THEN current_database() END AS sql_identifier) AS type_udt_catalog,
CAST(nt.nspname AS sql_identifier) AS type_udt_schema,
CAST(t.typname AS sql_identifier) AS type_udt_name,
CAST(null AS sql_identifier) AS scope_catalog,
CAST(null AS sql_identifier) AS scope_schema,
CAST(null AS sql_identifier) AS scope_name,
CAST(null AS cardinal_number) AS maximum_cardinality,
CAST(CASE WHEN p.prokind <> 'p' THEN 0 END AS sql_identifier) AS dtd_identifier,
CAST(CASE WHEN l.lanname = 'sql' THEN 'SQL' ELSE 'EXTERNAL' END AS character_data)
AS routine_body,
CAST(
CASE WHEN pg_has_role(p.proowner, 'USAGE') THEN p.prosrc ELSE null END
AS character_data) AS routine_definition,
CAST(
CASE WHEN l.lanname = 'c' THEN p.prosrc ELSE null END
AS character_data) AS external_name,
CAST(upper(l.lanname) AS character_data) AS external_language,
CAST('GENERAL' AS character_data) AS parameter_style,
CAST(CASE WHEN p.provolatile = 'i' THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_deterministic,
CAST('MODIFIES' AS character_data) AS sql_data_access,
CAST(CASE WHEN p.prokind <> 'p' THEN
CASE WHEN p.proisstrict THEN 'YES' ELSE 'NO' END END AS yes_or_no) AS is_null_call,
CAST(null AS character_data) AS sql_path,
CAST('YES' AS yes_or_no) AS schema_level_routine,
CAST(0 AS cardinal_number) AS max_dynamic_result_sets,
CAST(null AS yes_or_no) AS is_user_defined_cast,
CAST(null AS yes_or_no) AS is_implicitly_invocable,
CAST(CASE WHEN p.prosecdef THEN 'DEFINER' ELSE 'INVOKER' END AS character_data) AS security_type,
CAST(null AS sql_identifier) AS to_sql_specific_catalog,
CAST(null AS sql_identifier) AS to_sql_specific_schema,
CAST(null AS sql_identifier) AS to_sql_specific_name,
CAST('NO' AS yes_or_no) AS as_locator,
CAST(null AS time_stamp) AS created,
CAST(null AS time_stamp) AS last_altered,
CAST(null AS yes_or_no) AS new_savepoint_level,
CAST('NO' AS yes_or_no) AS is_udt_dependent,
CAST(null AS character_data) AS result_cast_from_data_type,
CAST(null AS yes_or_no) AS result_cast_as_locator,
CAST(null AS cardinal_number) AS result_cast_char_max_length,
CAST(null AS cardinal_number) AS result_cast_char_octet_length,
CAST(null AS sql_identifier) AS result_cast_char_set_catalog,
CAST(null AS sql_identifier) AS result_cast_char_set_schema,
CAST(null AS sql_identifier) AS result_cast_char_set_name,
CAST(null AS sql_identifier) AS result_cast_collation_catalog,
CAST(null AS sql_identifier) AS result_cast_collation_schema,
CAST(null AS sql_identifier) AS result_cast_collation_name,
CAST(null AS cardinal_number) AS result_cast_numeric_precision,
CAST(null AS cardinal_number) AS result_cast_numeric_precision_radix,
CAST(null AS cardinal_number) AS result_cast_numeric_scale,
CAST(null AS cardinal_number) AS result_cast_datetime_precision,
CAST(null AS character_data) AS result_cast_interval_type,
CAST(null AS cardinal_number) AS result_cast_interval_precision,
CAST(null AS sql_identifier) AS result_cast_type_udt_catalog,
CAST(null AS sql_identifier) AS result_cast_type_udt_schema,
CAST(null AS sql_identifier) AS result_cast_type_udt_name,
CAST(null AS sql_identifier) AS result_cast_scope_catalog,
CAST(null AS sql_identifier) AS result_cast_scope_schema,
CAST(null AS sql_identifier) AS result_cast_scope_name,
CAST(null AS cardinal_number) AS result_cast_maximum_cardinality,
CAST(null AS sql_identifier) AS result_cast_dtd_identifier
FROM (pg_namespace n
JOIN pg_proc p ON n.oid = p.pronamespace
JOIN pg_language l ON p.prolang = l.oid)
LEFT JOIN
(pg_type t JOIN pg_namespace nt ON t.typnamespace = nt.oid)
ON p.prorettype = t.oid AND p.prokind <> 'p'
WHERE (pg_has_role(p.proowner, 'USAGE')
OR has_function_privilege(p.oid, 'EXECUTE'));
GRANT SELECT ON routines TO PUBLIC;
/*
* 5.55
* SCHEMATA view
*/
CREATE VIEW schemata AS
SELECT CAST(current_database() AS sql_identifier) AS catalog_name,
CAST(n.nspname AS sql_identifier) AS schema_name,
CAST(u.rolname AS sql_identifier) AS schema_owner,
CAST(null AS sql_identifier) AS default_character_set_catalog,
CAST(null AS sql_identifier) AS default_character_set_schema,
CAST(null AS sql_identifier) AS default_character_set_name,
CAST(null AS character_data) AS sql_path
FROM pg_namespace n, pg_authid u
WHERE n.nspowner = u.oid
AND (pg_has_role(n.nspowner, 'USAGE')
OR has_schema_privilege(n.oid, 'CREATE, USAGE'));
GRANT SELECT ON schemata TO PUBLIC;
/*
* 5.56
* SEQUENCES view
*/
CREATE VIEW sequences AS
SELECT CAST(current_database() AS sql_identifier) AS sequence_catalog,
CAST(nc.nspname AS sql_identifier) AS sequence_schema,
CAST(c.relname AS sql_identifier) AS sequence_name,
CAST(format_type(s.seqtypid, null) AS character_data) AS data_type,
CAST(_pg_numeric_precision(s.seqtypid, -1) AS cardinal_number) AS numeric_precision,
CAST(2 AS cardinal_number) AS numeric_precision_radix,
CAST(0 AS cardinal_number) AS numeric_scale,
CAST(s.seqstart AS character_data) AS start_value,
CAST(s.seqmin AS character_data) AS minimum_value,
CAST(s.seqmax AS character_data) AS maximum_value,
CAST(s.seqincrement AS character_data) AS increment,
CAST(CASE WHEN s.seqcycle THEN 'YES' ELSE 'NO' END AS yes_or_no) AS cycle_option
FROM pg_namespace nc, pg_class c, pg_sequence s
WHERE c.relnamespace = nc.oid
AND c.relkind = 'S'
AND NOT EXISTS (SELECT 1 FROM pg_depend WHERE classid = 'pg_class'::regclass AND objid = c.oid AND deptype = 'i')
AND (NOT pg_is_other_temp_schema(nc.oid))
AND c.oid = s.seqrelid
AND (pg_has_role(c.relowner, 'USAGE')
OR has_sequence_privilege(c.oid, 'SELECT, UPDATE, USAGE') );
GRANT SELECT ON sequences TO PUBLIC;
/*
* 5.57
* SQL_FEATURES table
*/
CREATE TABLE sql_features (
feature_id character_data,
feature_name character_data,
sub_feature_id character_data,
sub_feature_name character_data,
is_supported yes_or_no,
is_verified_by character_data,
comments character_data
);
-- Will be filled with external data by initdb.
GRANT SELECT ON sql_features TO PUBLIC;
/*
* 5.58
* SQL_IMPLEMENTATION_INFO table
*/
-- Note: Implementation information items are defined in ISO/IEC 9075-3:2008,
-- clause 9.1.
CREATE TABLE sql_implementation_info (
implementation_info_id character_data,
implementation_info_name character_data,
integer_value cardinal_number,
character_value character_data,
comments character_data
);
INSERT INTO sql_implementation_info VALUES ('10003', 'CATALOG NAME', NULL, 'Y', NULL);
INSERT INTO sql_implementation_info VALUES ('10004', 'COLLATING SEQUENCE', NULL, (SELECT default_collate_name FROM character_sets), NULL);
INSERT INTO sql_implementation_info VALUES ('23', 'CURSOR COMMIT BEHAVIOR', 1, NULL, 'close cursors and retain prepared statements');
INSERT INTO sql_implementation_info VALUES ('2', 'DATA SOURCE NAME', NULL, '', NULL);
INSERT INTO sql_implementation_info VALUES ('17', 'DBMS NAME', NULL, (select trim(trailing ' ' from substring(version() from '^[^0-9]*'))), NULL);
INSERT INTO sql_implementation_info VALUES ('18', 'DBMS VERSION', NULL, '???', NULL); -- filled by initdb
INSERT INTO sql_implementation_info VALUES ('26', 'DEFAULT TRANSACTION ISOLATION', 2, NULL, 'READ COMMITTED; user-settable');
INSERT INTO sql_implementation_info VALUES ('28', 'IDENTIFIER CASE', 3, NULL, 'stored in mixed case - case sensitive');
INSERT INTO sql_implementation_info VALUES ('85', 'NULL COLLATION', 0, NULL, 'nulls higher than non-nulls');
INSERT INTO sql_implementation_info VALUES ('13', 'SERVER NAME', NULL, '', NULL);
INSERT INTO sql_implementation_info VALUES ('94', 'SPECIAL CHARACTERS', NULL, '', 'all non-ASCII characters allowed');
INSERT INTO sql_implementation_info VALUES ('46', 'TRANSACTION CAPABLE', 2, NULL, 'both DML and DDL');
GRANT SELECT ON sql_implementation_info TO PUBLIC;
/*
* 5.59
* SQL_PARTS table
*/
CREATE TABLE sql_parts (
feature_id character_data,
feature_name character_data,
is_supported yes_or_no,
is_verified_by character_data,
comments character_data
);
INSERT INTO sql_parts VALUES ('1', 'Framework (SQL/Framework)', 'NO', NULL, '');
INSERT INTO sql_parts VALUES ('2', 'Foundation (SQL/Foundation)', 'NO', NULL, '');
INSERT INTO sql_parts VALUES ('3', 'Call-Level Interface (SQL/CLI)', 'NO', NULL, '');
INSERT INTO sql_parts VALUES ('4', 'Persistent Stored Modules (SQL/PSM)', 'NO', NULL, '');
INSERT INTO sql_parts VALUES ('9', 'Management of External Data (SQL/MED)', 'NO', NULL, '');
INSERT INTO sql_parts VALUES ('10', 'Object Language Bindings (SQL/OLB)', 'NO', NULL, '');
INSERT INTO sql_parts VALUES ('11', 'Information and Definition Schema (SQL/Schemata)', 'NO', NULL, '');
INSERT INTO sql_parts VALUES ('13', 'Routines and Types Using the Java Programming Language (SQL/JRT)', 'NO', NULL, '');
INSERT INTO sql_parts VALUES ('14', 'XML-Related Specifications (SQL/XML)', 'NO', NULL, '');
INSERT INTO sql_parts VALUES ('15', 'Multi-Dimensional Arrays (SQL/MDA)', 'NO', NULL, '');
/*
* 5.60
* SQL_SIZING table
*/
-- Note: Sizing items are defined in ISO/IEC 9075-3:2008, clause 9.2.
CREATE TABLE sql_sizing (
sizing_id cardinal_number,
sizing_name character_data,
supported_value cardinal_number,
comments character_data
);
INSERT INTO sql_sizing VALUES (34, 'MAXIMUM CATALOG NAME LENGTH', 63, NULL);
INSERT INTO sql_sizing VALUES (30, 'MAXIMUM COLUMN NAME LENGTH', 63, NULL);
INSERT INTO sql_sizing VALUES (97, 'MAXIMUM COLUMNS IN GROUP BY', 0, NULL);
INSERT INTO sql_sizing VALUES (99, 'MAXIMUM COLUMNS IN ORDER BY', 0, NULL);
INSERT INTO sql_sizing VALUES (100, 'MAXIMUM COLUMNS IN SELECT', 1664, NULL); -- match MaxTupleAttributeNumber
INSERT INTO sql_sizing VALUES (101, 'MAXIMUM COLUMNS IN TABLE', 1600, NULL); -- match MaxHeapAttributeNumber
INSERT INTO sql_sizing VALUES (1, 'MAXIMUM CONCURRENT ACTIVITIES', 0, NULL);
INSERT INTO sql_sizing VALUES (31, 'MAXIMUM CURSOR NAME LENGTH', 63, NULL);
INSERT INTO sql_sizing VALUES (0, 'MAXIMUM DRIVER CONNECTIONS', NULL, NULL);
INSERT INTO sql_sizing VALUES (10005, 'MAXIMUM IDENTIFIER LENGTH', 63, NULL);
INSERT INTO sql_sizing VALUES (32, 'MAXIMUM SCHEMA NAME LENGTH', 63, NULL);
INSERT INTO sql_sizing VALUES (20000, 'MAXIMUM STATEMENT OCTETS', 0, NULL);
INSERT INTO sql_sizing VALUES (20001, 'MAXIMUM STATEMENT OCTETS DATA', 0, NULL);
INSERT INTO sql_sizing VALUES (20002, 'MAXIMUM STATEMENT OCTETS SCHEMA', 0, NULL);
INSERT INTO sql_sizing VALUES (35, 'MAXIMUM TABLE NAME LENGTH', 63, NULL);
INSERT INTO sql_sizing VALUES (106, 'MAXIMUM TABLES IN SELECT', 0, NULL);
INSERT INTO sql_sizing VALUES (107, 'MAXIMUM USER NAME LENGTH', 63, NULL);
INSERT INTO sql_sizing VALUES (25000, 'MAXIMUM CURRENT DEFAULT TRANSFORM GROUP LENGTH', NULL, NULL);
INSERT INTO sql_sizing VALUES (25001, 'MAXIMUM CURRENT TRANSFORM GROUP LENGTH', NULL, NULL);
INSERT INTO sql_sizing VALUES (25002, 'MAXIMUM CURRENT PATH LENGTH', 0, NULL);
INSERT INTO sql_sizing VALUES (25003, 'MAXIMUM CURRENT ROLE LENGTH', NULL, NULL);
INSERT INTO sql_sizing VALUES (25004, 'MAXIMUM SESSION USER LENGTH', 63, NULL);
INSERT INTO sql_sizing VALUES (25005, 'MAXIMUM SYSTEM USER LENGTH', 63, NULL);
UPDATE sql_sizing
SET supported_value = (SELECT typlen-1 FROM pg_catalog.pg_type WHERE typname = 'name'),
comments = 'Might be less, depending on character set.'
WHERE supported_value = 63;
GRANT SELECT ON sql_sizing TO PUBLIC;
/*
* 5.61
* TABLE_CONSTRAINTS view
*/
CREATE VIEW table_constraints AS
SELECT CAST(current_database() AS sql_identifier) AS constraint_catalog,
CAST(nc.nspname AS sql_identifier) AS constraint_schema,
CAST(c.conname AS sql_identifier) AS constraint_name,
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nr.nspname AS sql_identifier) AS table_schema,
CAST(r.relname AS sql_identifier) AS table_name,
CAST(
CASE c.contype WHEN 'c' THEN 'CHECK'
WHEN 'f' THEN 'FOREIGN KEY'
WHEN 'p' THEN 'PRIMARY KEY'
WHEN 'u' THEN 'UNIQUE' END
AS character_data) AS constraint_type,
CAST(CASE WHEN c.condeferrable THEN 'YES' ELSE 'NO' END AS yes_or_no)
AS is_deferrable,
CAST(CASE WHEN c.condeferred THEN 'YES' ELSE 'NO' END AS yes_or_no)
AS initially_deferred,
CAST('YES' AS yes_or_no) AS enforced,
CAST(CASE WHEN c.contype = 'u'
THEN CASE WHEN (SELECT NOT indnullsnotdistinct FROM pg_index WHERE indexrelid = conindid) THEN 'YES' ELSE 'NO' END
END
AS yes_or_no) AS nulls_distinct
FROM pg_namespace nc,
pg_namespace nr,
pg_constraint c,
pg_class r
WHERE nc.oid = c.connamespace AND nr.oid = r.relnamespace
AND c.conrelid = r.oid
AND c.contype NOT IN ('t', 'x') -- ignore nonstandard constraints
AND r.relkind IN ('r', 'p')
AND (NOT pg_is_other_temp_schema(nr.oid))
AND (pg_has_role(r.relowner, 'USAGE')
-- SELECT privilege omitted, per SQL standard
OR has_table_privilege(r.oid, 'INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER')
OR has_any_column_privilege(r.oid, 'INSERT, UPDATE, REFERENCES') )
UNION ALL
-- not-null constraints
SELECT CAST(current_database() AS sql_identifier) AS constraint_catalog,
CAST(nr.nspname AS sql_identifier) AS constraint_schema,
CAST(CAST(nr.oid AS text) || '_' || CAST(r.oid AS text) || '_' || CAST(a.attnum AS text) || '_not_null' AS sql_identifier) AS constraint_name, -- XXX
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nr.nspname AS sql_identifier) AS table_schema,
CAST(r.relname AS sql_identifier) AS table_name,
CAST('CHECK' AS character_data) AS constraint_type,
CAST('NO' AS yes_or_no) AS is_deferrable,
CAST('NO' AS yes_or_no) AS initially_deferred,
CAST('YES' AS yes_or_no) AS enforced,
CAST(NULL AS yes_or_no) AS nulls_distinct
FROM pg_namespace nr,
pg_class r,
pg_attribute a
WHERE nr.oid = r.relnamespace
AND r.oid = a.attrelid
AND a.attnotnull
AND a.attnum > 0
AND NOT a.attisdropped
AND r.relkind IN ('r', 'p')
AND (NOT pg_is_other_temp_schema(nr.oid))
AND (pg_has_role(r.relowner, 'USAGE')
-- SELECT privilege omitted, per SQL standard
OR has_table_privilege(r.oid, 'INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER')
OR has_any_column_privilege(r.oid, 'INSERT, UPDATE, REFERENCES') );
GRANT SELECT ON table_constraints TO PUBLIC;
/*
* 5.62
* TABLE_METHOD_PRIVILEGES view
*/
-- feature not supported
/*
* 5.63
* TABLE_PRIVILEGES view
*/
CREATE VIEW table_privileges AS
SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor,
CAST(grantee.rolname AS sql_identifier) AS grantee,
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nc.nspname AS sql_identifier) AS table_schema,
CAST(c.relname AS sql_identifier) AS table_name,
CAST(c.prtype AS character_data) AS privilege_type,
CAST(
CASE WHEN
-- object owner always has grant options
pg_has_role(grantee.oid, c.relowner, 'USAGE')
OR c.grantable
THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable,
CAST(CASE WHEN c.prtype = 'SELECT' THEN 'YES' ELSE 'NO' END AS yes_or_no) AS with_hierarchy
FROM (
SELECT oid, relname, relnamespace, relkind, relowner, (aclexplode(coalesce(relacl, acldefault('r', relowner)))).* FROM pg_class
) AS c (oid, relname, relnamespace, relkind, relowner, grantor, grantee, prtype, grantable),
pg_namespace nc,
pg_authid u_grantor,
(
SELECT oid, rolname FROM pg_authid
UNION ALL
SELECT 0::oid, 'PUBLIC'
) AS grantee (oid, rolname)
WHERE c.relnamespace = nc.oid
AND c.relkind IN ('r', 'v', 'f', 'p')
AND c.grantee = grantee.oid
AND c.grantor = u_grantor.oid
AND c.prtype IN ('INSERT', 'SELECT', 'UPDATE', 'DELETE', 'TRUNCATE', 'REFERENCES', 'TRIGGER')
AND (pg_has_role(u_grantor.oid, 'USAGE')
OR pg_has_role(grantee.oid, 'USAGE')
OR grantee.rolname = 'PUBLIC');
GRANT SELECT ON table_privileges TO PUBLIC;
/*
* 5.43
* ROLE_TABLE_GRANTS view
*/
CREATE VIEW role_table_grants AS
SELECT grantor,
grantee,
table_catalog,
table_schema,
table_name,
privilege_type,
is_grantable,
with_hierarchy
FROM table_privileges
WHERE grantor IN (SELECT role_name FROM enabled_roles)
OR grantee IN (SELECT role_name FROM enabled_roles);
GRANT SELECT ON role_table_grants TO PUBLIC;
/*
* 5.63
* TABLES view
*/
CREATE VIEW tables AS
SELECT CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nc.nspname AS sql_identifier) AS table_schema,
CAST(c.relname AS sql_identifier) AS table_name,
CAST(
CASE WHEN nc.oid = pg_my_temp_schema() THEN 'LOCAL TEMPORARY'
WHEN c.relkind IN ('r', 'p') THEN 'BASE TABLE'
WHEN c.relkind = 'v' THEN 'VIEW'
WHEN c.relkind = 'f' THEN 'FOREIGN'
ELSE null END
AS character_data) AS table_type,
CAST(null AS sql_identifier) AS self_referencing_column_name,
CAST(null AS character_data) AS reference_generation,
CAST(CASE WHEN t.typname IS NOT NULL THEN current_database() ELSE null END AS sql_identifier) AS user_defined_type_catalog,
CAST(nt.nspname AS sql_identifier) AS user_defined_type_schema,
CAST(t.typname AS sql_identifier) AS user_defined_type_name,
CAST(CASE WHEN c.relkind IN ('r', 'p') OR
(c.relkind IN ('v', 'f') AND
-- 1 << CMD_INSERT
pg_relation_is_updatable(c.oid, false) & 8 = 8)
THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_insertable_into,
CAST(CASE WHEN t.typname IS NOT NULL THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_typed,
CAST(null AS character_data) AS commit_action
FROM pg_namespace nc JOIN pg_class c ON (nc.oid = c.relnamespace)
LEFT JOIN (pg_type t JOIN pg_namespace nt ON (t.typnamespace = nt.oid)) ON (c.reloftype = t.oid)
WHERE c.relkind IN ('r', 'v', 'f', 'p')
AND (NOT pg_is_other_temp_schema(nc.oid))
AND (pg_has_role(c.relowner, 'USAGE')
OR has_table_privilege(c.oid, 'SELECT, INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER')
OR has_any_column_privilege(c.oid, 'SELECT, INSERT, UPDATE, REFERENCES') );
GRANT SELECT ON tables TO PUBLIC;
/*
* 5.65
* TRANSFORMS view
*/
CREATE VIEW transforms AS
SELECT CAST(current_database() AS sql_identifier) AS udt_catalog,
CAST(nt.nspname AS sql_identifier) AS udt_schema,
CAST(t.typname AS sql_identifier) AS udt_name,
CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(np.nspname AS sql_identifier) AS specific_schema,
CAST(nameconcatoid(p.proname, p.oid) AS sql_identifier) AS specific_name,
CAST(l.lanname AS sql_identifier) AS group_name,
CAST('FROM SQL' AS character_data) AS transform_type
FROM pg_type t JOIN pg_transform x ON t.oid = x.trftype
JOIN pg_language l ON x.trflang = l.oid
JOIN pg_proc p ON x.trffromsql = p.oid
JOIN pg_namespace nt ON t.typnamespace = nt.oid
JOIN pg_namespace np ON p.pronamespace = np.oid
UNION
SELECT CAST(current_database() AS sql_identifier) AS udt_catalog,
CAST(nt.nspname AS sql_identifier) AS udt_schema,
CAST(t.typname AS sql_identifier) AS udt_name,
CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(np.nspname AS sql_identifier) AS specific_schema,
CAST(nameconcatoid(p.proname, p.oid) AS sql_identifier) AS specific_name,
CAST(l.lanname AS sql_identifier) AS group_name,
CAST('TO SQL' AS character_data) AS transform_type
FROM pg_type t JOIN pg_transform x ON t.oid = x.trftype
JOIN pg_language l ON x.trflang = l.oid
JOIN pg_proc p ON x.trftosql = p.oid
JOIN pg_namespace nt ON t.typnamespace = nt.oid
JOIN pg_namespace np ON p.pronamespace = np.oid
ORDER BY udt_catalog, udt_schema, udt_name, group_name, transform_type -- some sensible grouping for interactive use
;
/*
* 5.66
* TRANSLATIONS view
*/
-- feature not supported
/*
* 5.67
* TRIGGERED_UPDATE_COLUMNS view
*/
CREATE VIEW triggered_update_columns AS
SELECT CAST(current_database() AS sql_identifier) AS trigger_catalog,
CAST(n.nspname AS sql_identifier) AS trigger_schema,
CAST(t.tgname AS sql_identifier) AS trigger_name,
CAST(current_database() AS sql_identifier) AS event_object_catalog,
CAST(n.nspname AS sql_identifier) AS event_object_schema,
CAST(c.relname AS sql_identifier) AS event_object_table,
CAST(a.attname AS sql_identifier) AS event_object_column
FROM pg_namespace n, pg_class c, pg_trigger t,
(SELECT tgoid, (ta0.tgat).x AS tgattnum, (ta0.tgat).n AS tgattpos
FROM (SELECT oid AS tgoid, information_schema._pg_expandarray(tgattr) AS tgat FROM pg_trigger) AS ta0) AS ta,
pg_attribute a
WHERE n.oid = c.relnamespace
AND c.oid = t.tgrelid
AND t.oid = ta.tgoid
AND (a.attrelid, a.attnum) = (t.tgrelid, ta.tgattnum)
AND NOT t.tgisinternal
AND (NOT pg_is_other_temp_schema(n.oid))
AND (pg_has_role(c.relowner, 'USAGE')
-- SELECT privilege omitted, per SQL standard
OR has_column_privilege(c.oid, a.attnum, 'INSERT, UPDATE, REFERENCES') );
GRANT SELECT ON triggered_update_columns TO PUBLIC;
/*
* 5.68
* TRIGGER_COLUMN_USAGE view
*/
-- not tracked by PostgreSQL
/*
* 5.69
* TRIGGER_PERIOD_USAGE view
*/
-- feature not supported
/*
* 5.70
* TRIGGER_ROUTINE_USAGE view
*/
-- not tracked by PostgreSQL
/*
* 5.71
* TRIGGER_SEQUENCE_USAGE view
*/
-- not tracked by PostgreSQL
/*
* 5.72
* TRIGGER_TABLE_USAGE view
*/
-- not tracked by PostgreSQL
/*
* 5.73
* TRIGGERS view
*/
CREATE VIEW triggers AS
SELECT CAST(current_database() AS sql_identifier) AS trigger_catalog,
CAST(n.nspname AS sql_identifier) AS trigger_schema,
CAST(t.tgname AS sql_identifier) AS trigger_name,
CAST(em.text AS character_data) AS event_manipulation,
CAST(current_database() AS sql_identifier) AS event_object_catalog,
CAST(n.nspname AS sql_identifier) AS event_object_schema,
CAST(c.relname AS sql_identifier) AS event_object_table,
CAST(
-- To determine action order, partition by schema, table,
-- event_manipulation (INSERT/DELETE/UPDATE), ROW/STATEMENT (1),
-- BEFORE/AFTER (66), then order by trigger name. It's preferable
-- to partition by view output columns, so that query constraints
-- can be pushed down below the window function.
rank() OVER (PARTITION BY CAST(n.nspname AS sql_identifier),
CAST(c.relname AS sql_identifier),
em.num,
t.tgtype & 1,
t.tgtype & 66
ORDER BY t.tgname)
AS cardinal_number) AS action_order,
CAST(
CASE WHEN pg_has_role(c.relowner, 'USAGE')
THEN (regexp_match(pg_get_triggerdef(t.oid), E'.{35,} WHEN \\((.+)\\) EXECUTE FUNCTION'))[1]
ELSE null END
AS character_data) AS action_condition,
CAST(
substring(pg_get_triggerdef(t.oid) from
position('EXECUTE FUNCTION' in substring(pg_get_triggerdef(t.oid) from 48)) + 47)
AS character_data) AS action_statement,
CAST(
-- hard-wired reference to TRIGGER_TYPE_ROW
CASE t.tgtype & 1 WHEN 1 THEN 'ROW' ELSE 'STATEMENT' END
AS character_data) AS action_orientation,
CAST(
-- hard-wired refs to TRIGGER_TYPE_BEFORE, TRIGGER_TYPE_INSTEAD
CASE t.tgtype & 66 WHEN 2 THEN 'BEFORE' WHEN 64 THEN 'INSTEAD OF' ELSE 'AFTER' END
AS character_data) AS action_timing,
CAST(tgoldtable AS sql_identifier) AS action_reference_old_table,
CAST(tgnewtable AS sql_identifier) AS action_reference_new_table,
CAST(null AS sql_identifier) AS action_reference_old_row,
CAST(null AS sql_identifier) AS action_reference_new_row,
CAST(null AS time_stamp) AS created
FROM pg_namespace n, pg_class c, pg_trigger t,
-- hard-wired refs to TRIGGER_TYPE_INSERT, TRIGGER_TYPE_DELETE,
-- TRIGGER_TYPE_UPDATE; we intentionally omit TRIGGER_TYPE_TRUNCATE
(VALUES (4, 'INSERT'),
(8, 'DELETE'),
(16, 'UPDATE')) AS em (num, text)
WHERE n.oid = c.relnamespace
AND c.oid = t.tgrelid
AND t.tgtype & em.num <> 0
AND NOT t.tgisinternal
AND (NOT pg_is_other_temp_schema(n.oid))
AND (pg_has_role(c.relowner, 'USAGE')
-- SELECT privilege omitted, per SQL standard
OR has_table_privilege(c.oid, 'INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER')
OR has_any_column_privilege(c.oid, 'INSERT, UPDATE, REFERENCES') );
GRANT SELECT ON triggers TO PUBLIC;
/*
* 5.74
* UDT_PRIVILEGES view
*/
CREATE VIEW udt_privileges AS
SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor,
CAST(grantee.rolname AS sql_identifier) AS grantee,
CAST(current_database() AS sql_identifier) AS udt_catalog,
CAST(n.nspname AS sql_identifier) AS udt_schema,
CAST(t.typname AS sql_identifier) AS udt_name,
CAST('TYPE USAGE' AS character_data) AS privilege_type, -- sic
CAST(
CASE WHEN
-- object owner always has grant options
pg_has_role(grantee.oid, t.typowner, 'USAGE')
OR t.grantable
THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
FROM (
SELECT oid, typname, typnamespace, typtype, typowner, (aclexplode(coalesce(typacl, acldefault('T', typowner)))).* FROM pg_type
) AS t (oid, typname, typnamespace, typtype, typowner, grantor, grantee, prtype, grantable),
pg_namespace n,
pg_authid u_grantor,
(
SELECT oid, rolname FROM pg_authid
UNION ALL
SELECT 0::oid, 'PUBLIC'
) AS grantee (oid, rolname)
WHERE t.typnamespace = n.oid
AND t.typtype = 'c'
AND t.grantee = grantee.oid
AND t.grantor = u_grantor.oid
AND t.prtype IN ('USAGE')
AND (pg_has_role(u_grantor.oid, 'USAGE')
OR pg_has_role(grantee.oid, 'USAGE')
OR grantee.rolname = 'PUBLIC');
GRANT SELECT ON udt_privileges TO PUBLIC;
/*
* 5.46
* ROLE_UDT_GRANTS view
*/
CREATE VIEW role_udt_grants AS
SELECT grantor,
grantee,
udt_catalog,
udt_schema,
udt_name,
privilege_type,
is_grantable
FROM udt_privileges
WHERE grantor IN (SELECT role_name FROM enabled_roles)
OR grantee IN (SELECT role_name FROM enabled_roles);
GRANT SELECT ON role_udt_grants TO PUBLIC;
/*
* 5.75
* USAGE_PRIVILEGES view
*/
CREATE VIEW usage_privileges AS
/* collations */
-- Collations have no real privileges, so we represent all collations with implicit usage privilege here.
SELECT CAST(u.rolname AS sql_identifier) AS grantor,
CAST('PUBLIC' AS sql_identifier) AS grantee,
CAST(current_database() AS sql_identifier) AS object_catalog,
CAST(n.nspname AS sql_identifier) AS object_schema,
CAST(c.collname AS sql_identifier) AS object_name,
CAST('COLLATION' AS character_data) AS object_type,
CAST('USAGE' AS character_data) AS privilege_type,
CAST('NO' AS yes_or_no) AS is_grantable
FROM pg_authid u,
pg_namespace n,
pg_collation c
WHERE u.oid = c.collowner
AND c.collnamespace = n.oid
AND collencoding IN (-1, (SELECT encoding FROM pg_database WHERE datname = current_database()))
UNION ALL
/* domains */
SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor,
CAST(grantee.rolname AS sql_identifier) AS grantee,
CAST(current_database() AS sql_identifier) AS object_catalog,
CAST(n.nspname AS sql_identifier) AS object_schema,
CAST(t.typname AS sql_identifier) AS object_name,
CAST('DOMAIN' AS character_data) AS object_type,
CAST('USAGE' AS character_data) AS privilege_type,
CAST(
CASE WHEN
-- object owner always has grant options
pg_has_role(grantee.oid, t.typowner, 'USAGE')
OR t.grantable
THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
FROM (
SELECT oid, typname, typnamespace, typtype, typowner, (aclexplode(coalesce(typacl, acldefault('T', typowner)))).* FROM pg_type
) AS t (oid, typname, typnamespace, typtype, typowner, grantor, grantee, prtype, grantable),
pg_namespace n,
pg_authid u_grantor,
(
SELECT oid, rolname FROM pg_authid
UNION ALL
SELECT 0::oid, 'PUBLIC'
) AS grantee (oid, rolname)
WHERE t.typnamespace = n.oid
AND t.typtype = 'd'
AND t.grantee = grantee.oid
AND t.grantor = u_grantor.oid
AND t.prtype IN ('USAGE')
AND (pg_has_role(u_grantor.oid, 'USAGE')
OR pg_has_role(grantee.oid, 'USAGE')
OR grantee.rolname = 'PUBLIC')
UNION ALL
/* foreign-data wrappers */
SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor,
CAST(grantee.rolname AS sql_identifier) AS grantee,
CAST(current_database() AS sql_identifier) AS object_catalog,
CAST('' AS sql_identifier) AS object_schema,
CAST(fdw.fdwname AS sql_identifier) AS object_name,
CAST('FOREIGN DATA WRAPPER' AS character_data) AS object_type,
CAST('USAGE' AS character_data) AS privilege_type,
CAST(
CASE WHEN
-- object owner always has grant options
pg_has_role(grantee.oid, fdw.fdwowner, 'USAGE')
OR fdw.grantable
THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
FROM (
SELECT fdwname, fdwowner, (aclexplode(coalesce(fdwacl, acldefault('F', fdwowner)))).* FROM pg_foreign_data_wrapper
) AS fdw (fdwname, fdwowner, grantor, grantee, prtype, grantable),
pg_authid u_grantor,
(
SELECT oid, rolname FROM pg_authid
UNION ALL
SELECT 0::oid, 'PUBLIC'
) AS grantee (oid, rolname)
WHERE u_grantor.oid = fdw.grantor
AND grantee.oid = fdw.grantee
AND fdw.prtype IN ('USAGE')
AND (pg_has_role(u_grantor.oid, 'USAGE')
OR pg_has_role(grantee.oid, 'USAGE')
OR grantee.rolname = 'PUBLIC')
UNION ALL
/* foreign servers */
SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor,
CAST(grantee.rolname AS sql_identifier) AS grantee,
CAST(current_database() AS sql_identifier) AS object_catalog,
CAST('' AS sql_identifier) AS object_schema,
CAST(srv.srvname AS sql_identifier) AS object_name,
CAST('FOREIGN SERVER' AS character_data) AS object_type,
CAST('USAGE' AS character_data) AS privilege_type,
CAST(
CASE WHEN
-- object owner always has grant options
pg_has_role(grantee.oid, srv.srvowner, 'USAGE')
OR srv.grantable
THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
FROM (
SELECT srvname, srvowner, (aclexplode(coalesce(srvacl, acldefault('S', srvowner)))).* FROM pg_foreign_server
) AS srv (srvname, srvowner, grantor, grantee, prtype, grantable),
pg_authid u_grantor,
(
SELECT oid, rolname FROM pg_authid
UNION ALL
SELECT 0::oid, 'PUBLIC'
) AS grantee (oid, rolname)
WHERE u_grantor.oid = srv.grantor
AND grantee.oid = srv.grantee
AND srv.prtype IN ('USAGE')
AND (pg_has_role(u_grantor.oid, 'USAGE')
OR pg_has_role(grantee.oid, 'USAGE')
OR grantee.rolname = 'PUBLIC')
UNION ALL
/* sequences */
SELECT CAST(u_grantor.rolname AS sql_identifier) AS grantor,
CAST(grantee.rolname AS sql_identifier) AS grantee,
CAST(current_database() AS sql_identifier) AS object_catalog,
CAST(n.nspname AS sql_identifier) AS object_schema,
CAST(c.relname AS sql_identifier) AS object_name,
CAST('SEQUENCE' AS character_data) AS object_type,
CAST('USAGE' AS character_data) AS privilege_type,
CAST(
CASE WHEN
-- object owner always has grant options
pg_has_role(grantee.oid, c.relowner, 'USAGE')
OR c.grantable
THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
FROM (
SELECT oid, relname, relnamespace, relkind, relowner, (aclexplode(coalesce(relacl, acldefault('r', relowner)))).* FROM pg_class
) AS c (oid, relname, relnamespace, relkind, relowner, grantor, grantee, prtype, grantable),
pg_namespace n,
pg_authid u_grantor,
(
SELECT oid, rolname FROM pg_authid
UNION ALL
SELECT 0::oid, 'PUBLIC'
) AS grantee (oid, rolname)
WHERE c.relnamespace = n.oid
AND c.relkind = 'S'
AND c.grantee = grantee.oid
AND c.grantor = u_grantor.oid
AND c.prtype IN ('USAGE')
AND (pg_has_role(u_grantor.oid, 'USAGE')
OR pg_has_role(grantee.oid, 'USAGE')
OR grantee.rolname = 'PUBLIC');
GRANT SELECT ON usage_privileges TO PUBLIC;
/*
* 5.45
* ROLE_USAGE_GRANTS view
*/
CREATE VIEW role_usage_grants AS
SELECT grantor,
grantee,
object_catalog,
object_schema,
object_name,
object_type,
privilege_type,
is_grantable
FROM usage_privileges
WHERE grantor IN (SELECT role_name FROM enabled_roles)
OR grantee IN (SELECT role_name FROM enabled_roles);
GRANT SELECT ON role_usage_grants TO PUBLIC;
/*
* 5.76
* USER_DEFINED_TYPES view
*/
CREATE VIEW user_defined_types AS
SELECT CAST(current_database() AS sql_identifier) AS user_defined_type_catalog,
CAST(n.nspname AS sql_identifier) AS user_defined_type_schema,
CAST(c.relname AS sql_identifier) AS user_defined_type_name,
CAST('STRUCTURED' AS character_data) AS user_defined_type_category,
CAST('YES' AS yes_or_no) AS is_instantiable,
CAST(null AS yes_or_no) AS is_final,
CAST(null AS character_data) AS ordering_form,
CAST(null AS character_data) AS ordering_category,
CAST(null AS sql_identifier) AS ordering_routine_catalog,
CAST(null AS sql_identifier) AS ordering_routine_schema,
CAST(null AS sql_identifier) AS ordering_routine_name,
CAST(null AS character_data) AS reference_type,
CAST(null AS character_data) AS data_type,
CAST(null AS cardinal_number) AS character_maximum_length,
CAST(null AS cardinal_number) AS character_octet_length,
CAST(null AS sql_identifier) AS character_set_catalog,
CAST(null AS sql_identifier) AS character_set_schema,
CAST(null AS sql_identifier) AS character_set_name,
CAST(null AS sql_identifier) AS collation_catalog,
CAST(null AS sql_identifier) AS collation_schema,
CAST(null AS sql_identifier) AS collation_name,
CAST(null AS cardinal_number) AS numeric_precision,
CAST(null AS cardinal_number) AS numeric_precision_radix,
CAST(null AS cardinal_number) AS numeric_scale,
CAST(null AS cardinal_number) AS datetime_precision,
CAST(null AS character_data) AS interval_type,
CAST(null AS cardinal_number) AS interval_precision,
CAST(null AS sql_identifier) AS source_dtd_identifier,
CAST(null AS sql_identifier) AS ref_dtd_identifier
FROM pg_namespace n, pg_class c, pg_type t
WHERE n.oid = c.relnamespace
AND t.typrelid = c.oid
AND c.relkind = 'c'
AND (pg_has_role(t.typowner, 'USAGE')
OR has_type_privilege(t.oid, 'USAGE'));
GRANT SELECT ON user_defined_types TO PUBLIC;
/*
* 5.77
* VIEW_COLUMN_USAGE
*/
CREATE VIEW view_column_usage AS
SELECT DISTINCT
CAST(current_database() AS sql_identifier) AS view_catalog,
CAST(nv.nspname AS sql_identifier) AS view_schema,
CAST(v.relname AS sql_identifier) AS view_name,
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nt.nspname AS sql_identifier) AS table_schema,
CAST(t.relname AS sql_identifier) AS table_name,
CAST(a.attname AS sql_identifier) AS column_name
FROM pg_namespace nv, pg_class v, pg_depend dv,
pg_depend dt, pg_class t, pg_namespace nt,
pg_attribute a
WHERE nv.oid = v.relnamespace
AND v.relkind = 'v'
AND v.oid = dv.refobjid
AND dv.refclassid = 'pg_catalog.pg_class'::regclass
AND dv.classid = 'pg_catalog.pg_rewrite'::regclass
AND dv.deptype = 'i'
AND dv.objid = dt.objid
AND dv.refobjid <> dt.refobjid
AND dt.classid = 'pg_catalog.pg_rewrite'::regclass
AND dt.refclassid = 'pg_catalog.pg_class'::regclass
AND dt.refobjid = t.oid
AND t.relnamespace = nt.oid
AND t.relkind IN ('r', 'v', 'f', 'p')
AND t.oid = a.attrelid
AND dt.refobjsubid = a.attnum
AND pg_has_role(t.relowner, 'USAGE');
GRANT SELECT ON view_column_usage TO PUBLIC;
/*
* 5.78
* VIEW_PERIOD_USAGE
*/
-- feature not supported
/*
* 5.79
* VIEW_ROUTINE_USAGE
*/
CREATE VIEW view_routine_usage AS
SELECT DISTINCT
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nv.nspname AS sql_identifier) AS table_schema,
CAST(v.relname AS sql_identifier) AS table_name,
CAST(current_database() AS sql_identifier) AS specific_catalog,
CAST(np.nspname AS sql_identifier) AS specific_schema,
CAST(nameconcatoid(p.proname, p.oid) AS sql_identifier) AS specific_name
FROM pg_namespace nv, pg_class v, pg_depend dv,
pg_depend dp, pg_proc p, pg_namespace np
WHERE nv.oid = v.relnamespace
AND v.relkind = 'v'
AND v.oid = dv.refobjid
AND dv.refclassid = 'pg_catalog.pg_class'::regclass
AND dv.classid = 'pg_catalog.pg_rewrite'::regclass
AND dv.deptype = 'i'
AND dv.objid = dp.objid
AND dp.classid = 'pg_catalog.pg_rewrite'::regclass
AND dp.refclassid = 'pg_catalog.pg_proc'::regclass
AND dp.refobjid = p.oid
AND p.pronamespace = np.oid
AND pg_has_role(p.proowner, 'USAGE');
GRANT SELECT ON view_routine_usage TO PUBLIC;
/*
* 5.80
* VIEW_TABLE_USAGE
*/
CREATE VIEW view_table_usage AS
SELECT DISTINCT
CAST(current_database() AS sql_identifier) AS view_catalog,
CAST(nv.nspname AS sql_identifier) AS view_schema,
CAST(v.relname AS sql_identifier) AS view_name,
CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nt.nspname AS sql_identifier) AS table_schema,
CAST(t.relname AS sql_identifier) AS table_name
FROM pg_namespace nv, pg_class v, pg_depend dv,
pg_depend dt, pg_class t, pg_namespace nt
WHERE nv.oid = v.relnamespace
AND v.relkind = 'v'
AND v.oid = dv.refobjid
AND dv.refclassid = 'pg_catalog.pg_class'::regclass
AND dv.classid = 'pg_catalog.pg_rewrite'::regclass
AND dv.deptype = 'i'
AND dv.objid = dt.objid
AND dv.refobjid <> dt.refobjid
AND dt.classid = 'pg_catalog.pg_rewrite'::regclass
AND dt.refclassid = 'pg_catalog.pg_class'::regclass
AND dt.refobjid = t.oid
AND t.relnamespace = nt.oid
AND t.relkind IN ('r', 'v', 'f', 'p')
AND pg_has_role(t.relowner, 'USAGE');
GRANT SELECT ON view_table_usage TO PUBLIC;
/*
* 5.81
* VIEWS view
*/
CREATE VIEW views AS
SELECT CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(nc.nspname AS sql_identifier) AS table_schema,
CAST(c.relname AS sql_identifier) AS table_name,
CAST(
CASE WHEN pg_has_role(c.relowner, 'USAGE')
THEN pg_get_viewdef(c.oid)
ELSE null END
AS character_data) AS view_definition,
CAST(
CASE WHEN 'check_option=cascaded' = ANY (c.reloptions)
THEN 'CASCADED'
WHEN 'check_option=local' = ANY (c.reloptions)
THEN 'LOCAL'
ELSE 'NONE' END
AS character_data) AS check_option,
CAST(
-- (1 << CMD_UPDATE) + (1 << CMD_DELETE)
CASE WHEN pg_relation_is_updatable(c.oid, false) & 20 = 20
THEN 'YES' ELSE 'NO' END
AS yes_or_no) AS is_updatable,
CAST(
-- 1 << CMD_INSERT
CASE WHEN pg_relation_is_updatable(c.oid, false) & 8 = 8
THEN 'YES' ELSE 'NO' END
AS yes_or_no) AS is_insertable_into,
CAST(
-- TRIGGER_TYPE_ROW + TRIGGER_TYPE_INSTEAD + TRIGGER_TYPE_UPDATE
CASE WHEN EXISTS (SELECT 1 FROM pg_trigger WHERE tgrelid = c.oid AND tgtype & 81 = 81)
THEN 'YES' ELSE 'NO' END
AS yes_or_no) AS is_trigger_updatable,
CAST(
-- TRIGGER_TYPE_ROW + TRIGGER_TYPE_INSTEAD + TRIGGER_TYPE_DELETE
CASE WHEN EXISTS (SELECT 1 FROM pg_trigger WHERE tgrelid = c.oid AND tgtype & 73 = 73)
THEN 'YES' ELSE 'NO' END
AS yes_or_no) AS is_trigger_deletable,
CAST(
-- TRIGGER_TYPE_ROW + TRIGGER_TYPE_INSTEAD + TRIGGER_TYPE_INSERT
CASE WHEN EXISTS (SELECT 1 FROM pg_trigger WHERE tgrelid = c.oid AND tgtype & 69 = 69)
THEN 'YES' ELSE 'NO' END
AS yes_or_no) AS is_trigger_insertable_into
FROM pg_namespace nc, pg_class c
WHERE c.relnamespace = nc.oid
AND c.relkind = 'v'
AND (NOT pg_is_other_temp_schema(nc.oid))
AND (pg_has_role(c.relowner, 'USAGE')
OR has_table_privilege(c.oid, 'SELECT, INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER')
OR has_any_column_privilege(c.oid, 'SELECT, INSERT, UPDATE, REFERENCES') );
GRANT SELECT ON views TO PUBLIC;
-- The following views have dependencies that force them to appear out of order.
/*
* 5.25
* DATA_TYPE_PRIVILEGES view
*/
CREATE VIEW data_type_privileges AS
SELECT CAST(current_database() AS sql_identifier) AS object_catalog,
CAST(x.objschema AS sql_identifier) AS object_schema,
CAST(x.objname AS sql_identifier) AS object_name,
CAST(x.objtype AS character_data) AS object_type,
CAST(x.objdtdid AS sql_identifier) AS dtd_identifier
FROM
(
SELECT udt_schema, udt_name, 'USER-DEFINED TYPE'::text, dtd_identifier FROM attributes
UNION ALL
SELECT table_schema, table_name, 'TABLE'::text, dtd_identifier FROM columns
UNION ALL
SELECT domain_schema, domain_name, 'DOMAIN'::text, dtd_identifier FROM domains
UNION ALL
SELECT specific_schema, specific_name, 'ROUTINE'::text, dtd_identifier FROM parameters
UNION ALL
SELECT specific_schema, specific_name, 'ROUTINE'::text, dtd_identifier FROM routines
) AS x (objschema, objname, objtype, objdtdid);
GRANT SELECT ON data_type_privileges TO PUBLIC;
/*
* 5.30
* ELEMENT_TYPES view
*/
CREATE VIEW element_types AS
SELECT CAST(current_database() AS sql_identifier) AS object_catalog,
CAST(n.nspname AS sql_identifier) AS object_schema,
CAST(x.objname AS sql_identifier) AS object_name,
CAST(x.objtype AS character_data) AS object_type,
CAST(x.objdtdid AS sql_identifier) AS collection_type_identifier,
CAST(
CASE WHEN nbt.nspname = 'pg_catalog' THEN format_type(bt.oid, null)
ELSE 'USER-DEFINED' END AS character_data) AS data_type,
CAST(null AS cardinal_number) AS character_maximum_length,
CAST(null AS cardinal_number) AS character_octet_length,
CAST(null AS sql_identifier) AS character_set_catalog,
CAST(null AS sql_identifier) AS character_set_schema,
CAST(null AS sql_identifier) AS character_set_name,
CAST(CASE WHEN nco.nspname IS NOT NULL THEN current_database() END AS sql_identifier) AS collation_catalog,
CAST(nco.nspname AS sql_identifier) AS collation_schema,
CAST(co.collname AS sql_identifier) AS collation_name,
CAST(null AS cardinal_number) AS numeric_precision,
CAST(null AS cardinal_number) AS numeric_precision_radix,
CAST(null AS cardinal_number) AS numeric_scale,
CAST(null AS cardinal_number) AS datetime_precision,
CAST(null AS character_data) AS interval_type,
CAST(null AS cardinal_number) AS interval_precision,
CAST(null AS character_data) AS domain_default, -- XXX maybe a bug in the standard
CAST(current_database() AS sql_identifier) AS udt_catalog,
CAST(nbt.nspname AS sql_identifier) AS udt_schema,
CAST(bt.typname AS sql_identifier) AS udt_name,
CAST(null AS sql_identifier) AS scope_catalog,
CAST(null AS sql_identifier) AS scope_schema,
CAST(null AS sql_identifier) AS scope_name,
CAST(null AS cardinal_number) AS maximum_cardinality,
CAST('a' || CAST(x.objdtdid AS text) AS sql_identifier) AS dtd_identifier
FROM pg_namespace n, pg_type at, pg_namespace nbt, pg_type bt,
(
/* columns, attributes */
SELECT c.relnamespace, CAST(c.relname AS sql_identifier),
CASE WHEN c.relkind = 'c' THEN 'USER-DEFINED TYPE'::text ELSE 'TABLE'::text END,
a.attnum, a.atttypid, a.attcollation
FROM pg_class c, pg_attribute a
WHERE c.oid = a.attrelid
AND c.relkind IN ('r', 'v', 'f', 'c', 'p')
AND attnum > 0 AND NOT attisdropped
UNION ALL
/* domains */
SELECT t.typnamespace, CAST(t.typname AS sql_identifier),
'DOMAIN'::text, 1, t.typbasetype, t.typcollation
FROM pg_type t
WHERE t.typtype = 'd'
UNION ALL
/* parameters */
SELECT pronamespace,
CAST(nameconcatoid(proname, oid) AS sql_identifier),
'ROUTINE'::text, (ss.x).n, (ss.x).x, 0
FROM (SELECT p.pronamespace, p.proname, p.oid,
_pg_expandarray(coalesce(p.proallargtypes, p.proargtypes::oid[])) AS x
FROM pg_proc p) AS ss
UNION ALL
/* result types */
SELECT p.pronamespace,
CAST(nameconcatoid(p.proname, p.oid) AS sql_identifier),
'ROUTINE'::text, 0, p.prorettype, 0
FROM pg_proc p
) AS x (objschema, objname, objtype, objdtdid, objtypeid, objcollation)
LEFT JOIN (pg_collation co JOIN pg_namespace nco ON (co.collnamespace = nco.oid))
ON x.objcollation = co.oid AND (nco.nspname, co.collname) <> ('pg_catalog', 'default')
WHERE n.oid = x.objschema
AND at.oid = x.objtypeid
AND (at.typelem <> 0 AND at.typlen = -1)
AND at.typelem = bt.oid
AND nbt.oid = bt.typnamespace
AND (n.nspname, x.objname, x.objtype, CAST(x.objdtdid AS sql_identifier)) IN
( SELECT object_schema, object_name, object_type, dtd_identifier
FROM data_type_privileges );
GRANT SELECT ON element_types TO PUBLIC;
-- SQL/MED views; these use section numbers from part 9 of the standard.
/* Base view for foreign table columns */
CREATE VIEW _pg_foreign_table_columns AS
SELECT n.nspname,
c.relname,
a.attname,
a.attfdwoptions
FROM pg_foreign_table t, pg_authid u, pg_namespace n, pg_class c,
pg_attribute a
WHERE u.oid = c.relowner
AND (pg_has_role(c.relowner, 'USAGE')
OR has_column_privilege(c.oid, a.attnum, 'SELECT, INSERT, UPDATE, REFERENCES'))
AND n.oid = c.relnamespace
AND c.oid = t.ftrelid
AND c.relkind = 'f'
AND a.attrelid = c.oid
AND a.attnum > 0;
/*
* 24.2
* COLUMN_OPTIONS view
*/
CREATE VIEW column_options AS
SELECT CAST(current_database() AS sql_identifier) AS table_catalog,
CAST(c.nspname AS sql_identifier) AS table_schema,
CAST(c.relname AS sql_identifier) AS table_name,
CAST(c.attname AS sql_identifier) AS column_name,
CAST((pg_options_to_table(c.attfdwoptions)).option_name AS sql_identifier) AS option_name,
CAST((pg_options_to_table(c.attfdwoptions)).option_value AS character_data) AS option_value
FROM _pg_foreign_table_columns c;
GRANT SELECT ON column_options TO PUBLIC;
/* Base view for foreign-data wrappers */
CREATE VIEW _pg_foreign_data_wrappers AS
SELECT w.oid,
w.fdwowner,
w.fdwoptions,
CAST(current_database() AS sql_identifier) AS foreign_data_wrapper_catalog,
CAST(fdwname AS sql_identifier) AS foreign_data_wrapper_name,
CAST(u.rolname AS sql_identifier) AS authorization_identifier,
CAST('c' AS character_data) AS foreign_data_wrapper_language
FROM pg_foreign_data_wrapper w, pg_authid u
WHERE u.oid = w.fdwowner
AND (pg_has_role(fdwowner, 'USAGE')
OR has_foreign_data_wrapper_privilege(w.oid, 'USAGE'));
/*
* 24.4
* FOREIGN_DATA_WRAPPER_OPTIONS view
*/
CREATE VIEW foreign_data_wrapper_options AS
SELECT foreign_data_wrapper_catalog,
foreign_data_wrapper_name,
CAST((pg_options_to_table(w.fdwoptions)).option_name AS sql_identifier) AS option_name,
CAST((pg_options_to_table(w.fdwoptions)).option_value AS character_data) AS option_value
FROM _pg_foreign_data_wrappers w;
GRANT SELECT ON foreign_data_wrapper_options TO PUBLIC;
/*
* 24.5
* FOREIGN_DATA_WRAPPERS view
*/
CREATE VIEW foreign_data_wrappers AS
SELECT foreign_data_wrapper_catalog,
foreign_data_wrapper_name,
authorization_identifier,
CAST(NULL AS character_data) AS library_name,
foreign_data_wrapper_language
FROM _pg_foreign_data_wrappers w;
GRANT SELECT ON foreign_data_wrappers TO PUBLIC;
/* Base view for foreign servers */
CREATE VIEW _pg_foreign_servers AS
SELECT s.oid,
s.srvoptions,
CAST(current_database() AS sql_identifier) AS foreign_server_catalog,
CAST(srvname AS sql_identifier) AS foreign_server_name,
CAST(current_database() AS sql_identifier) AS foreign_data_wrapper_catalog,
CAST(w.fdwname AS sql_identifier) AS foreign_data_wrapper_name,
CAST(srvtype AS character_data) AS foreign_server_type,
CAST(srvversion AS character_data) AS foreign_server_version,
CAST(u.rolname AS sql_identifier) AS authorization_identifier
FROM pg_foreign_server s, pg_foreign_data_wrapper w, pg_authid u
WHERE w.oid = s.srvfdw
AND u.oid = s.srvowner
AND (pg_has_role(s.srvowner, 'USAGE')
OR has_server_privilege(s.oid, 'USAGE'));
/*
* 24.6
* FOREIGN_SERVER_OPTIONS view
*/
CREATE VIEW foreign_server_options AS
SELECT foreign_server_catalog,
foreign_server_name,
CAST((pg_options_to_table(s.srvoptions)).option_name AS sql_identifier) AS option_name,
CAST((pg_options_to_table(s.srvoptions)).option_value AS character_data) AS option_value
FROM _pg_foreign_servers s;
GRANT SELECT ON TABLE foreign_server_options TO PUBLIC;
/*
* 24.7
* FOREIGN_SERVERS view
*/
CREATE VIEW foreign_servers AS
SELECT foreign_server_catalog,
foreign_server_name,
foreign_data_wrapper_catalog,
foreign_data_wrapper_name,
foreign_server_type,
foreign_server_version,
authorization_identifier
FROM _pg_foreign_servers;
GRANT SELECT ON foreign_servers TO PUBLIC;
/* Base view for foreign tables */
CREATE VIEW _pg_foreign_tables AS
SELECT
CAST(current_database() AS sql_identifier) AS foreign_table_catalog,
CAST(n.nspname AS sql_identifier) AS foreign_table_schema,
CAST(c.relname AS sql_identifier) AS foreign_table_name,
t.ftoptions AS ftoptions,
CAST(current_database() AS sql_identifier) AS foreign_server_catalog,
CAST(srvname AS sql_identifier) AS foreign_server_name,
CAST(u.rolname AS sql_identifier) AS authorization_identifier
FROM pg_foreign_table t, pg_foreign_server s, pg_foreign_data_wrapper w,
pg_authid u, pg_namespace n, pg_class c
WHERE w.oid = s.srvfdw
AND u.oid = c.relowner
AND (pg_has_role(c.relowner, 'USAGE')
OR has_table_privilege(c.oid, 'SELECT, INSERT, UPDATE, DELETE, TRUNCATE, REFERENCES, TRIGGER')
OR has_any_column_privilege(c.oid, 'SELECT, INSERT, UPDATE, REFERENCES'))
AND n.oid = c.relnamespace
AND c.oid = t.ftrelid
AND c.relkind = 'f'
AND s.oid = t.ftserver;
/*
* 24.8
* FOREIGN_TABLE_OPTIONS view
*/
CREATE VIEW foreign_table_options AS
SELECT foreign_table_catalog,
foreign_table_schema,
foreign_table_name,
CAST((pg_options_to_table(t.ftoptions)).option_name AS sql_identifier) AS option_name,
CAST((pg_options_to_table(t.ftoptions)).option_value AS character_data) AS option_value
FROM _pg_foreign_tables t;
GRANT SELECT ON TABLE foreign_table_options TO PUBLIC;
/*
* 24.9
* FOREIGN_TABLES view
*/
CREATE VIEW foreign_tables AS
SELECT foreign_table_catalog,
foreign_table_schema,
foreign_table_name,
foreign_server_catalog,
foreign_server_name
FROM _pg_foreign_tables;
GRANT SELECT ON foreign_tables TO PUBLIC;
/* Base view for user mappings */
CREATE VIEW _pg_user_mappings AS
SELECT um.oid,
um.umoptions,
um.umuser,
CAST(COALESCE(u.rolname,'PUBLIC') AS sql_identifier ) AS authorization_identifier,
s.foreign_server_catalog,
s.foreign_server_name,
s.authorization_identifier AS srvowner
FROM pg_user_mapping um LEFT JOIN pg_authid u ON (u.oid = um.umuser),
_pg_foreign_servers s
WHERE s.oid = um.umserver;
/*
* 24.12
* USER_MAPPING_OPTIONS view
*/
CREATE VIEW user_mapping_options AS
SELECT authorization_identifier,
foreign_server_catalog,
foreign_server_name,
CAST(opts.option_name AS sql_identifier) AS option_name,
CAST(CASE WHEN (umuser <> 0 AND authorization_identifier = current_user)
OR (umuser = 0 AND pg_has_role(srvowner, 'USAGE'))
OR (SELECT rolsuper FROM pg_authid WHERE rolname = current_user)
THEN opts.option_value
ELSE NULL END AS character_data) AS option_value
FROM _pg_user_mappings um,
pg_options_to_table(um.umoptions) opts;
GRANT SELECT ON user_mapping_options TO PUBLIC;
/*
* 24.13
* USER_MAPPINGS view
*/
CREATE VIEW user_mappings AS
SELECT authorization_identifier,
foreign_server_catalog,
foreign_server_name
FROM _pg_user_mappings;
GRANT SELECT ON user_mappings TO PUBLIC;