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"Information_schema" changes
- Add domain check constraints to "check_constraints" view - Create "domains" view - Create "domain_constraints" view -- Rod Taylor <rbt@rbt.ca>
This commit is contained in:
Bruce Momjian
parent
54ca7a7b13
commit
a00431b8d8
@ -4,7 +4,7 @@
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*
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* Copyright 2002, PostgreSQL Global Development Group
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*
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* $Id: information_schema.sql,v 1.3 2003/01/15 23:37:27 petere Exp $
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* $Id: information_schema.sql,v 1.4 2003/03/20 05:06:55 momjian Exp $
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*/
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@ -76,9 +76,13 @@ CREATE VIEW check_constraints AS
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CAST(rs.nspname AS sql_identifier) AS constraint_schema,
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CAST(con.conname AS sql_identifier) AS constraint_name,
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CAST(con.consrc AS character_data) AS check_clause
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FROM pg_namespace rs, pg_class c, pg_constraint con, pg_user u
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WHERE rs.oid = c.relnamespace AND c.oid = con.conrelid
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AND c.relowner = u.usesysid AND u.usename = current_user
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FROM pg_namespace rs, pg_constraint con
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left outer join pg_class c on (c.oid = con.conrelid)
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left outer join pg_type t on (t.oid = con.contypid),
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pg_user u
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WHERE rs.oid = con.connamespace
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AND u.usesysid IN (c.relowner, t.typowner)
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AND u.usename = current_user
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AND con.contype = 'c';
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GRANT SELECT ON check_constraints TO PUBLIC;
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@ -236,6 +240,130 @@ CREATE VIEW columns AS
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GRANT SELECT ON columns TO PUBLIC;
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/*
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* 20.24
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* DOMAIN_CONSTRAINTS view
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*/
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CREATE VIEW domain_constraints AS
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SELECT CAST(current_database() AS sql_identifier) AS constraint_catalog,
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CAST(rs.nspname AS sql_identifier) AS constraint_schema,
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CAST(con.conname AS sql_identifier) AS constraint_name,
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CAST(current_database() AS sql_identifier) AS domain_catalog,
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CAST(n.nspname AS sql_identifier) AS domain_schema,
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CAST(t.typname AS sql_identifier) AS domain_name,
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CAST(CASE WHEN condeferrable THEN 'YES' ELSE 'NO' END
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AS character_data) AS is_deferrable,
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CAST(CASE WHEN condeferred THEN 'YES' ELSE 'NO' END
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AS character_data) AS initially_deferred
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FROM pg_namespace rs, pg_namespace n, pg_constraint con, pg_type t, pg_user u
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WHERE rs.oid = con.connamespace
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AND n.oid = t.typnamespace
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AND u.usesysid = t.typowner
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AND u.usename = current_user
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AND t.oid = con.contypid;
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GRANT SELECT ON domain_constraints TO PUBLIC;
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/*
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* 20.26
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* DOMAINS view
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*/
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CREATE VIEW domains AS
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SELECT CAST(current_database() AS sql_identifier) AS domain_catalog,
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CAST(rs.nspname AS sql_identifier) AS domain_schema,
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CAST(t.typname AS sql_identifier) AS domain_name,
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CAST(format_type(t.typbasetype, null) AS character_data)
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AS data_type,
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CAST(
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CASE WHEN t.typbasetype IN (25, 1042, 1043, 1560, 1562) AND t.typtypmod <> -1
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THEN t.typtypmod - 4
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ELSE null END
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AS cardinal_number)
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AS character_maximum_length,
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CAST(
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CASE WHEN t.typbasetype IN (25, 1042, 1043) THEN 2^30 ELSE null END
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AS cardinal_number)
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AS character_octet_length,
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CAST(null AS sql_identifier) AS character_set_catalog,
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CAST(null AS sql_identifier) AS character_set_schema,
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CAST(null AS sql_identifier) AS character_set_name,
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CAST(null AS sql_identifier) AS collation_catalog,
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CAST(null AS sql_identifier) AS collation_schema,
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CAST(null AS sql_identifier) AS collation_name,
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CAST(
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CASE WHEN t.typbasetype IN (1700) THEN ((t.typtypmod - 4) >> 16) & 65535 ELSE null END
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AS cardinal_number)
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AS numeric_precision,
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CAST(
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CASE WHEN t.typbasetype IN (1700) THEN 10 ELSE null END
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AS cardinal_number)
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AS numeric_precision_radix,
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CAST(
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CASE WHEN t.typbasetype IN (1700) THEN (t.typtypmod - 4) & 65535 ELSE null END
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AS cardinal_number)
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AS numeric_scale,
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CAST(
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CASE WHEN t.typbasetype IN (1083, 1114, 1184, 1266)
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THEN (CASE WHEN t.typtypmod <> -1 THEN t.typtypmod ELSE null END)
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WHEN t.typbasetype IN (1186)
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THEN (CASE WHEN t.typtypmod <> -1 THEN t.typtypmod & 65535 ELSE null END)
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ELSE null END
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AS cardinal_number)
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AS datetime_precision,
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CAST(null AS character_data) AS interval_type, -- XXX
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CAST(null AS character_data) AS interval_precision, -- XXX
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CAST(typdefault AS character_data) AS domain_default,
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CAST(CASE WHEN t.typbasetype = 0 THEN current_database() ELSE null END
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AS sql_identifier) AS udt_catalog,
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CAST(CASE WHEN t.typbasetype = 0 THEN rs.nspname ELSE null END
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AS sql_identifier) AS udt_schema,
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CAST(CASE WHEN t.typbasetype = 0 THEN t.typname ELSE null END
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AS sql_identifier) AS udt_name,
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CAST(null AS sql_identifier) AS scope_catalog,
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CAST(null AS sql_identifier) AS scope_schema,
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CAST(null AS sql_identifier) AS scope_name,
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CAST(null AS cardinal_number) AS maximum_cardinality,
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CAST(null AS sql_identifier) AS dtd_identifier
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FROM pg_namespace rs,
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pg_type t,
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pg_user u
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WHERE rs.oid = t.typnamespace
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AND t.typtype = 'd'
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AND t.typowner = u.usesysid
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AND (u.usename = CURRENT_USER
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OR EXISTS (SELECT 1
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FROM pg_user AS u2
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WHERE rs.nspowner = u2.usesysid
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AND u2.usename = CURRENT_USER)
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OR EXISTS (SELECT 1
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FROM pg_user AS u3,
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pg_attribute AS a3,
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pg_class AS c3
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WHERE u3.usesysid = c3.relowner
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AND a3.attrelid = c3.oid
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AND a3.atttypid = t.oid));
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GRANT SELECT ON domains TO PUBLIC;
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/*
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* 20.35
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* REFERENTIAL_CONSTRAINTS view
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