Update information schema to SQL:2008

 - yes_or_no domain for "boolean" data
 - new columns for VIEWS view
 - slight section renumbering

diff --git a/doc/src/sgml/information_schema.sgml b/doc/src/sgml/information_schema.sgml
index 78346d422d5730a9410e8f3c5f876101aa429738..0a48218122382a81925a7f41f58434cd7b865c78 100644 (file)
--- a/doc/src/sgml/information_schema.sgml
+++ b/doc/src/sgml/information_schema.sgml
@@ -1,4 +1,4 @@
-<!-- $PostgreSQL: pgsql/doc/src/sgml/information_schema.sgml,v 1.40 2009/07/07 18:23:13 petere Exp $ -->
+<!-- $PostgreSQL: pgsql/doc/src/sgml/information_schema.sgml,v 1.41 2009/07/13 20:25:57 petere Exp $ -->
 
 <chapter id="information-schema">
  <title>The Information Schema</title>
@@ -96,19 +96,24 @@
       </para>
      </listitem>
     </varlistentry>
-   </variablelist>
 
-   Every column in the information schema has one of these four types.
-  </para>
+    <varlistentry>
+     <term><type>yes_or_no</type></term>
+     <listitem>
+      <para>
+       A character string domain that contains
+       either <literal>YES</literal> or <literal>NO</literal>.  This
+       is used to represent Boolean (true/false) data in the
+       information schema.  (The information schema was invented
+       before the type <type>boolean</type> was added to the SQL
+       standard, so this convention is necessary to keep the
+       information schema backward compatible.)
+      </para>
+     </listitem>
+    </varlistentry>
+   </variablelist>
 
-  <para>
-   Boolean (true/false) data is represented in the information schema
-   by a column of type <type>character_data</type> that contains
-   either <literal>YES</literal> or <literal>NO</literal>.  (The
-   information schema was invented before the type
-   <type>boolean</type> was added to the SQL standard, so this
-   convention is necessary to keep the information schema backward
-   compatible.)
+   Every column in the information schema has one of these five types.
   </para>
  </sect1>
 
@@ -184,7 +189,7 @@
 
      <row>
       <entry><literal>is_grantable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Always <literal>YES</literal></entry>
      </row>
     </tbody>
@@ -236,7 +241,7 @@
 
      <row>
       <entry><literal>is_grantable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        <literal>YES</literal> if the grantee has the admin option on
        the role, <literal>NO</literal> if not
@@ -308,7 +313,7 @@
 
      <row>
       <entry><literal>is_nullable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        <literal>YES</literal> if the attribute is possibly nullable,
        <literal>NO</literal> if it is known not nullable.
@@ -480,7 +485,7 @@
 
      <row>
       <entry><literal>is_derived_reference_attribute</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
     </tbody>
@@ -757,7 +762,7 @@
 
      <row>
       <entry><literal>is_grantable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the privilege is grantable, <literal>NO</literal> if not</entry>
      </row>
     </tbody>
@@ -907,7 +912,7 @@
 
      <row>
       <entry><literal>is_nullable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        <literal>YES</literal> if the column is possibly nullable,
        <literal>NO</literal> if it is known not nullable.  A not-null
@@ -1148,13 +1153,13 @@
 
      <row>
       <entry><literal>is_self_referencing</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
      <row>
       <entry><literal>is_identity</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
@@ -1190,7 +1195,7 @@
 
      <row>
       <entry><literal>identity_cycle</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
@@ -1208,7 +1213,7 @@
 
      <row>
       <entry><literal>is_updatable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        <literal>YES</literal> if the column is updatable,
        <literal>NO</literal> if not (Columns in base tables are always
@@ -1544,13 +1549,13 @@
 
      <row>
       <entry><literal>is_deferrable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the constraint is deferrable, <literal>NO</literal> if not</entry>
      </row>
 
      <row>
       <entry><literal>initially_deferred</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the constraint is deferrable and initially deferred, <literal>NO</literal> if not</entry>
      </row>
     </tbody>
@@ -2545,13 +2550,13 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_result</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
      <row>
       <entry><literal>as_locator</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
@@ -2902,7 +2907,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_grantable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the privilege is grantable, <literal>NO</literal> if not</entry>
      </row>
     </tbody>
@@ -2992,7 +2997,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_grantable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the privilege is grantable, <literal>NO</literal> if not</entry>
      </row>
     </tbody>
@@ -3066,13 +3071,13 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_grantable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the privilege is grantable, <literal>NO</literal> if not</entry>
      </row>
 
      <row>
       <entry><literal>with_hierarchy</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
     </tbody>
@@ -3149,7 +3154,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_grantable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the privilege is grantable, <literal>NO</literal> if not</entry>
      </row>
     </tbody>
@@ -3239,7 +3244,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_grantable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the privilege is grantable, <literal>NO</literal> if not</entry>
      </row>
     </tbody>
@@ -3568,7 +3573,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_deterministic</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        If the function is declared immutable (called deterministic in
        the SQL standard), then <literal>YES</literal>, else
@@ -3589,7 +3594,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_null_call</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        If the function automatically returns null if any of its
        arguments are null, then <literal>YES</literal>, else
@@ -3605,7 +3610,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>schema_level_routine</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        Always <literal>YES</literal> (The opposite would be a method
        of a user-defined type, which is a feature not available in
@@ -3621,13 +3626,13 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_user_defined_cast</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
      <row>
       <entry><literal>is_implicitly_invocable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
@@ -3662,7 +3667,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>as_locator</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
@@ -3680,13 +3685,13 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>new_savepoint_level</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
      <row>
       <entry><literal>is_udt_dependent</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
@@ -3698,7 +3703,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>result_cast_as_locator</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
@@ -4012,7 +4017,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>cycle_option</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Not yet implemented</entry>
      </row>
     </tbody>
@@ -4070,7 +4075,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_supported</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        <literal>YES</literal> if the feature is fully supported by the
        current version of <productname>PostgreSQL</>, <literal>NO</literal> if not
@@ -4289,7 +4294,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_supported</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        <literal>YES</literal> if the package is fully supported by the
        current version of <productname>PostgreSQL</>, <literal>NO</literal> if not
@@ -4351,7 +4356,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_supported</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        <literal>YES</literal> if the part is fully supported by the
        current version of <productname>PostgreSQL</>,
@@ -4569,13 +4574,13 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_deferrable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the constraint is deferrable, <literal>NO</literal> if not</entry>
      </row>
 
      <row>
       <entry><literal>initially_deferred</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the constraint is deferrable and initially deferred, <literal>NO</literal> if not</entry>
      </row>
     </tbody>
@@ -4649,13 +4654,13 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_grantable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the privilege is grantable, <literal>NO</literal> if not</entry>
      </row>
 
      <row>
       <entry><literal>with_hierarchy</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
     </tbody>
@@ -4747,7 +4752,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_insertable_into</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        <literal>YES</literal> if the table is insertable into,
        <literal>NO</literal> if not (Base tables are always insertable
@@ -4757,7 +4762,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_typed</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
      </row>
 
@@ -5025,7 +5030,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_grantable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry><literal>YES</literal> if the privilege is grantable, <literal>NO</literal> if not</entry>
      </row>
     </tbody>
@@ -5434,7 +5439,7 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_updatable</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        <literal>YES</literal> if the view is updatable (allows
        <command>UPDATE</command> and <command>DELETE</command>),
@@ -5444,12 +5449,30 @@ ORDER BY c.ordinal_position;
 
      <row>
       <entry><literal>is_insertable_into</literal></entry>
-      <entry><type>character_data</type></entry>
+      <entry><type>yes_or_no</type></entry>
       <entry>
        <literal>YES</literal> if the view is insertable into (allows
        <command>INSERT</command>), <literal>NO</literal> if not
       </entry>
      </row>
+
+     <row>
+      <entry><literal>is_trigger_updatable</literal></entry>
+      <entry><type>yes_or_no</type></entry>
+      <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
+     </row>
+
+     <row>
+      <entry><literal>is_trigger_deletable</literal></entry>
+      <entry><type>yes_or_no</type></entry>
+      <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
+     </row>
+
+     <row>
+      <entry><literal>is_trigger_insertable_into</literal></entry>
+      <entry><type>yes_or_no</type></entry>
+      <entry>Applies to a feature not available in <productname>PostgreSQL</></entry>
+     </row>
     </tbody>
    </tgroup>
   </table>

diff --git a/src/backend/catalog/information_schema.sql b/src/backend/catalog/information_schema.sql
index 09d2ccef21918b1ec6776b65ffcec3bbf6ad4ba9..cea4f7977571298147f8a0368783ea69eba132c6 100644 (file)
--- a/src/backend/catalog/information_schema.sql
+++ b/src/backend/catalog/information_schema.sql
@@ -1,10 +1,10 @@
 /*
  * SQL Information Schema
- * as defined in ISO/IEC 9075-11:2003
+ * as defined in ISO/IEC 9075-11:2008
  *
  * Copyright (c) 2003-2009, PostgreSQL Global Development Group
  *
- * $PostgreSQL: pgsql/src/backend/catalog/information_schema.sql,v 1.56 2009/07/07 19:28:00 tgl Exp $
+ * $PostgreSQL: pgsql/src/backend/catalog/information_schema.sql,v 1.57 2009/07/13 20:25:57 petere Exp $
  */
 
 /*
@@ -221,19 +221,27 @@ GRANT SELECT ON information_schema_catalog_name TO PUBLIC;
 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)
+    CONSTRAINT yes_or_no_check CHECK (value IN ('YES', 'NO'));
 
--- 5.7 ADMINISTRABLE_ROLE_AUTHORIZATIONS view appears later.
+
+-- 5.8 ADMINISTRABLE_ROLE_AUTHORIZATIONS view appears later.
 
 
 /*
- * 5.8
+ * 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 character_data) AS is_grantable
+           CAST(CASE WHEN m.admin_option THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
     FROM pg_auth_members m
          JOIN pg_authid a ON (m.member = a.oid)
          JOIN pg_authid b ON (m.roleid = b.oid)
@@ -243,7 +251,7 @@ GRANT SELECT ON applicable_roles TO PUBLIC;
 
 
 /*
- * 5.7
+ * 5.8
  * ADMINISTRABLE_ROLE_AUTHORIZATIONS view
  */
 
@@ -256,7 +264,7 @@ GRANT SELECT ON administrable_role_authorizations TO PUBLIC;
 
 
 /*
- * 5.9
+ * 5.10
  * ASSERTIONS view
  */
 
@@ -264,7 +272,7 @@ GRANT SELECT ON administrable_role_authorizations TO PUBLIC;
 
 
 /*
- * 5.10
+ * 5.11
  * ATTRIBUTES view
  */
 
@@ -276,7 +284,7 @@ CREATE VIEW attributes AS
            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 character_data)
+             AS yes_or_no)
              AS is_nullable,
 
            CAST(
@@ -337,7 +345,7 @@ CREATE VIEW attributes AS
 
            CAST(null AS cardinal_number) AS maximum_cardinality,
            CAST(a.attnum AS sql_identifier) AS dtd_identifier,
-           CAST('NO' AS character_data) AS is_derived_reference_attribute
+           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),
          pg_class c, pg_namespace nc,
@@ -353,7 +361,7 @@ GRANT SELECT ON attributes TO PUBLIC;
 
 
 /*
- * 5.11
+ * 5.12
  * CHARACTER_SETS view
  */
 
@@ -361,7 +369,7 @@ GRANT SELECT ON attributes TO PUBLIC;
 
 
 /*
- * 5.12
+ * 5.13
  * CHECK_CONSTRAINT_ROUTINE_USAGE view
  */
 
@@ -386,7 +394,7 @@ GRANT SELECT ON check_constraint_routine_usage TO PUBLIC;
 
 
 /*
- * 5.13
+ * 5.14
  * CHECK_CONSTRAINTS view
  */
 
@@ -424,14 +432,14 @@ GRANT SELECT ON check_constraints TO PUBLIC;
 
 
 /*
- * 5.14
+ * 5.15
  * COLLATIONS view
  */
 
 -- feature not supported
 
 /*
- * 5.15
+ * 5.16
  * COLLATION_CHARACTER_SET_APPLICABILITY view
  */
 
@@ -439,7 +447,7 @@ GRANT SELECT ON check_constraints TO PUBLIC;
 
 
 /*
- * 5.16
+ * 5.17
  * COLUMN_COLUMN_USAGE view
  */
 
@@ -447,7 +455,7 @@ GRANT SELECT ON check_constraints TO PUBLIC;
 
 
 /*
- * 5.17
+ * 5.18
  * COLUMN_DOMAIN_USAGE view
  */
 
@@ -477,7 +485,7 @@ GRANT SELECT ON column_domain_usage TO PUBLIC;
 
 
 /*
- * 5.18
+ * 5.19
  * COLUMN_PRIVILEGES
  */
 
@@ -497,7 +505,7 @@ CREATE VIEW column_privileges AS
                                  makeaclitem(grantee.oid, u_grantor.oid, pr.type, true))
                   OR aclcontains(a.attacl,
                                  makeaclitem(grantee.oid, u_grantor.oid, pr.type, true))
-                  THEN 'YES' ELSE 'NO' END AS character_data) AS is_grantable
+                  THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
 
     FROM pg_attribute a,
          pg_class c,
@@ -530,7 +538,7 @@ GRANT SELECT ON column_privileges TO PUBLIC;
 
 
 /*
- * 5.19
+ * 5.20
  * COLUMN_UDT_USAGE view
  */
 
@@ -558,7 +566,7 @@ GRANT SELECT ON column_udt_usage TO PUBLIC;
 
 
 /*
- * 5.20
+ * 5.21
  * COLUMNS view
  */
 
@@ -570,7 +578,7 @@ CREATE VIEW columns AS
            CAST(a.attnum AS cardinal_number) AS ordinal_position,
            CAST(pg_get_expr(ad.adbin, ad.adrelid) AS character_data) AS column_default,
            CAST(CASE WHEN a.attnotnull OR (t.typtype = 'd' AND t.typnotnull) THEN 'NO' ELSE 'YES' END
-             AS character_data)
+             AS yes_or_no)
              AS is_nullable,
 
            CAST(
@@ -644,15 +652,15 @@ CREATE VIEW columns AS
 
            CAST(null AS cardinal_number) AS maximum_cardinality,
            CAST(a.attnum AS sql_identifier) AS dtd_identifier,
-           CAST('NO' AS character_data) AS is_self_referencing,
+           CAST('NO' AS yes_or_no) AS is_self_referencing,
 
-           CAST('NO' AS character_data) AS is_identity,
+           CAST('NO' AS yes_or_no) AS is_identity,
            CAST(null AS character_data) AS identity_generation,
            CAST(null AS character_data) AS identity_start,
            CAST(null AS character_data) AS identity_increment,
            CAST(null AS character_data) AS identity_maximum,
            CAST(null AS character_data) AS identity_minimum,
-           CAST(null AS character_data) AS identity_cycle,
+           CAST(null AS yes_or_no) AS identity_cycle,
 
            CAST('NEVER' AS character_data) AS is_generated,
            CAST(null AS character_data) AS generation_expression,
@@ -661,7 +669,7 @@ CREATE VIEW columns AS
                           OR (c.relkind = 'v'
                               AND EXISTS (SELECT 1 FROM pg_rewrite WHERE ev_class = c.oid AND ev_type = '2' AND is_instead)
                               AND EXISTS (SELECT 1 FROM pg_rewrite WHERE ev_class = c.oid AND ev_type = '4' AND is_instead))
-                THEN 'YES' ELSE 'NO' END AS character_data) AS is_updatable
+                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),
          pg_class c, pg_namespace nc,
@@ -684,7 +692,7 @@ GRANT SELECT ON columns TO PUBLIC;
 
 
 /*
- * 5.21
+ * 5.22
  * CONSTRAINT_COLUMN_USAGE view
  */
 
@@ -736,7 +744,7 @@ GRANT SELECT ON constraint_column_usage TO PUBLIC;
 
 
 /*
- * 5.22
+ * 5.23
  * CONSTRAINT_TABLE_USAGE view
  */
 
@@ -760,11 +768,11 @@ CREATE VIEW constraint_table_usage AS
 GRANT SELECT ON constraint_table_usage TO PUBLIC;
 
 
--- 5.23 DATA_TYPE_PRIVILEGES view appears later.
+-- 5.24 DATA_TYPE_PRIVILEGES view appears later.
 
 
 /*
- * 5.24
+ * 5.25
  * DIRECT_SUPERTABLES view
  */
 
@@ -772,7 +780,7 @@ GRANT SELECT ON constraint_table_usage TO PUBLIC;
 
 
 /*
- * 5.25
+ * 5.26
  * DIRECT_SUPERTYPES view
  */
 
@@ -780,7 +788,7 @@ GRANT SELECT ON constraint_table_usage TO PUBLIC;
 
 
 /*
- * 5.26
+ * 5.27
  * DOMAIN_CONSTRAINTS view
  */
 
@@ -792,9 +800,9 @@ CREATE VIEW domain_constraints AS
            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 character_data) AS is_deferrable,
+             AS yes_or_no) AS is_deferrable,
            CAST(CASE WHEN condeferred THEN 'YES' ELSE 'NO' END
-             AS character_data) AS initially_deferred
+             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
@@ -829,7 +837,7 @@ GRANT SELECT ON domain_udt_usage TO PUBLIC;
 
 
 /*
- * 5.27
+ * 5.28
  * DOMAINS view
  */
 
@@ -910,11 +918,11 @@ CREATE VIEW domains AS
 GRANT SELECT ON domains TO PUBLIC;
 
 
--- 5.28 ELEMENT_TYPES view appears later.
+-- 5.29 ELEMENT_TYPES view appears later.
 
 
 /*
- * 5.29
+ * 5.30
  * ENABLED_ROLES view
  */
 
@@ -927,7 +935,7 @@ GRANT SELECT ON enabled_roles TO PUBLIC;
 
 
 /*
- * 5.30
+ * 5.31
  * FIELDS view
  */
 
@@ -935,7 +943,7 @@ GRANT SELECT ON enabled_roles TO PUBLIC;
 
 
 /*
- * 5.31
+ * 5.32
  * KEY_COLUMN_USAGE view
  */
 
@@ -978,7 +986,7 @@ GRANT SELECT ON key_column_usage TO PUBLIC;
 
 
 /*
- * 5.32
+ * 5.33
  * METHOD_SPECIFICATION_PARAMETERS view
  */
 
@@ -986,7 +994,7 @@ GRANT SELECT ON key_column_usage TO PUBLIC;
 
 
 /*
- * 5.33
+ * 5.34
  * METHOD_SPECIFICATIONS view
  */
 
@@ -994,7 +1002,7 @@ GRANT SELECT ON key_column_usage TO PUBLIC;
 
 
 /*
- * 5.34
+ * 5.35
  * PARAMETERS view
  */
 
@@ -1011,8 +1019,8 @@ CREATE VIEW parameters AS
                 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 character_data) AS is_result,
-           CAST('NO' AS character_data) AS as_locator,
+           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'
@@ -1056,7 +1064,7 @@ GRANT SELECT ON parameters TO PUBLIC;
 
 
 /*
- * 5.35
+ * 5.36
  * REFERENCED_TYPES view
  */
 
@@ -1064,7 +1072,7 @@ GRANT SELECT ON parameters TO PUBLIC;
 
 
 /*
- * 5.36
+ * 5.37
  * REFERENTIAL_CONSTRAINTS view
  */
 
@@ -1122,7 +1130,7 @@ GRANT SELECT ON referential_constraints TO PUBLIC;
 
 
 /*
- * 5.37
+ * 5.38
  * ROLE_COLUMN_GRANTS view
  */
 
@@ -1142,7 +1150,7 @@ CREATE VIEW role_column_grants AS
                                  makeaclitem(g_grantee.oid, u_grantor.oid, pr.type, true))
                   OR aclcontains(a.attacl,
                                  makeaclitem(g_grantee.oid, u_grantor.oid, pr.type, true))
-                  THEN 'YES' ELSE 'NO' END AS character_data) AS is_grantable
+                  THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
 
     FROM pg_attribute a,
          pg_class c,
@@ -1170,7 +1178,7 @@ GRANT SELECT ON role_column_grants TO PUBLIC;
 
 
 /*
- * 5.38
+ * 5.39
  * ROLE_ROUTINE_GRANTS view
  */
 
@@ -1190,7 +1198,7 @@ CREATE VIEW role_routine_grants AS
                   pg_has_role(g_grantee.oid, p.proowner, 'USAGE')
                   OR aclcontains(p.proacl,
                                  makeaclitem(g_grantee.oid, u_grantor.oid, 'EXECUTE', true))
-                  THEN 'YES' ELSE 'NO' END AS character_data) AS is_grantable
+                  THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
 
     FROM pg_proc p,
          pg_namespace n,
@@ -1207,7 +1215,7 @@ GRANT SELECT ON role_routine_grants TO PUBLIC;
 
 
 /*
- * 5.39
+ * 5.40
  * ROLE_TABLE_GRANTS view
  */
 
@@ -1224,8 +1232,8 @@ CREATE VIEW role_table_grants AS
                   pg_has_role(g_grantee.oid, c.relowner, 'USAGE')
                   OR aclcontains(c.relacl,
                                  makeaclitem(g_grantee.oid, u_grantor.oid, pr.type, true))
-                  THEN 'YES' ELSE 'NO' END AS character_data) AS is_grantable,
-           CAST('NO' AS character_data) AS with_hierarchy
+                  THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable,
+           CAST('NO' AS yes_or_no) AS with_hierarchy
 
     FROM pg_class c,
          pg_namespace nc,
@@ -1250,7 +1258,7 @@ GRANT SELECT ON role_table_grants TO PUBLIC;
 
 
 /*
- * 5.40
+ * 5.41
  * ROLE_TABLE_METHOD_GRANTS view
  */
 
@@ -1258,7 +1266,7 @@ GRANT SELECT ON role_table_grants TO PUBLIC;
 
 
 /*
- * 5.41
+ * 5.42
  * ROLE_USAGE_GRANTS view
  */
 
@@ -1278,7 +1286,7 @@ CREATE VIEW role_usage_grants AS
                   pg_has_role(g_grantee.oid, fdw.fdwowner, 'USAGE')
                   OR aclcontains(fdw.fdwacl,
                                  makeaclitem(g_grantee.oid, u_grantor.oid, 'USAGE', true))
-                  THEN 'YES' ELSE 'NO' END AS character_data) AS is_grantable
+                  THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
 
     FROM pg_foreign_data_wrapper fdw,
          pg_authid u_grantor,
@@ -1305,7 +1313,7 @@ CREATE VIEW role_usage_grants AS
                   pg_has_role(g_grantee.oid, srv.srvowner, 'USAGE')
                   OR aclcontains(srv.srvacl,
                                  makeaclitem(g_grantee.oid, u_grantor.oid, 'USAGE', true))
-                  THEN 'YES' ELSE 'NO' END AS character_data) AS is_grantable
+                  THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
 
     FROM pg_foreign_server srv,
          pg_authid u_grantor,
@@ -1320,7 +1328,7 @@ GRANT SELECT ON role_usage_grants TO PUBLIC;
 
 
 /*
- * 5.42
+ * 5.43
  * ROLE_UDT_GRANTS view
  */
 
@@ -1328,7 +1336,7 @@ GRANT SELECT ON role_usage_grants TO PUBLIC;
 
 
 /*
- * 5.43
+ * 5.44
  * ROUTINE_COLUMN_USAGE view
  */
 
@@ -1336,7 +1344,7 @@ GRANT SELECT ON role_usage_grants TO PUBLIC;
 
 
 /*
- * 5.44
+ * 5.45
  * ROUTINE_PRIVILEGES view
  */
 
@@ -1356,7 +1364,7 @@ CREATE VIEW routine_privileges AS
                   pg_has_role(grantee.oid, p.proowner, 'USAGE')
                   OR aclcontains(p.proacl,
                                  makeaclitem(grantee.oid, u_grantor.oid, 'EXECUTE', true))
-                  THEN 'YES' ELSE 'NO' END AS character_data) AS is_grantable
+                  THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
 
     FROM pg_proc p,
          pg_namespace n,
@@ -1378,7 +1386,7 @@ GRANT SELECT ON routine_privileges TO PUBLIC;
 
 
 /*
- * 5.45
+ * 5.46
  * ROUTINE_ROUTINE_USAGE view
  */
 
@@ -1386,7 +1394,7 @@ GRANT SELECT ON routine_privileges TO PUBLIC;
 
 
 /* 
- * 5.46
+ * 5.47
  * ROUTINE_SEQUENCE_USAGE view
  */
 
@@ -1394,7 +1402,7 @@ GRANT SELECT ON routine_privileges TO PUBLIC;
 
 
 /*
- * 5.47
+ * 5.48
  * ROUTINE_TABLE_USAGE view
  */
 
@@ -1402,7 +1410,7 @@ GRANT SELECT ON routine_privileges TO PUBLIC;
 
 
 /*
- * 5.48
+ * 5.49
  * ROUTINES view
  */
 
@@ -1460,26 +1468,26 @@ CREATE VIEW routines AS
            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 character_data) AS is_deterministic,
+           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.proisstrict THEN 'YES' ELSE 'NO' END AS character_data) AS is_null_call,
+           CAST(CASE WHEN p.proisstrict THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_null_call,
            CAST(null AS character_data) AS sql_path,
-           CAST('YES' AS character_data) AS schema_level_routine,
+           CAST('YES' AS yes_or_no) AS schema_level_routine,
            CAST(0 AS cardinal_number) AS max_dynamic_result_sets,
-           CAST(null AS character_data) AS is_user_defined_cast,
-           CAST(null AS character_data) AS is_implicitly_invocable,
+           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 character_data) AS as_locator,
+           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 character_data) AS new_savepoint_level,
-           CAST('YES' AS character_data) AS is_udt_dependent, -- FIXME?
+           CAST(null AS yes_or_no) AS new_savepoint_level,
+           CAST('YES' AS yes_or_no) AS is_udt_dependent, -- FIXME?
 
            CAST(null AS character_data) AS result_cast_from_data_type,
-           CAST(null AS character_data) AS result_cast_as_locator,
+           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,
@@ -1515,7 +1523,7 @@ GRANT SELECT ON routines TO PUBLIC;
 
 
 /*
- * 5.49
+ * 5.50
  * SCHEMATA view
  */
 
@@ -1534,7 +1542,7 @@ GRANT SELECT ON schemata TO PUBLIC;
 
 
 /*
- * 5.50
+ * 5.51
  * SEQUENCES view
  */
 
@@ -1549,7 +1557,7 @@ CREATE VIEW sequences AS
            CAST(null AS cardinal_number) AS maximum_value, -- FIXME
            CAST(null AS cardinal_number) AS minimum_value, -- FIXME
            CAST(null AS cardinal_number) AS increment,     -- FIXME
-           CAST(null AS character_data) AS cycle_option    -- FIXME
+           CAST(null AS yes_or_no) AS cycle_option    -- FIXME
     FROM pg_namespace nc, pg_class c
     WHERE c.relnamespace = nc.oid
           AND c.relkind = 'S'
@@ -1561,7 +1569,7 @@ GRANT SELECT ON sequences TO PUBLIC;
 
 
 /*
- * 5.51
+ * 5.52
  * SQL_FEATURES table
  */
 
@@ -1570,7 +1578,7 @@ CREATE TABLE sql_features (
     feature_name        character_data,
     sub_feature_id      character_data,
     sub_feature_name    character_data,
-    is_supported        character_data,
+    is_supported        yes_or_no,
     is_verified_by      character_data,
     comments            character_data
 ) WITHOUT OIDS;
@@ -1581,12 +1589,12 @@ GRANT SELECT ON sql_features TO PUBLIC;
 
 
 /*
- * 5.52
+ * 5.53
  * SQL_IMPLEMENTATION_INFO table
  */
 
--- Note: Implementation information items are defined in ISO/IEC 9075-3:2003,
--- clause 7.1.
+-- 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,
@@ -1613,8 +1621,8 @@ GRANT SELECT ON sql_implementation_info TO PUBLIC;
 
 
 /*
- * 5.53
  * SQL_LANGUAGES table
+ * apparently removed in SQL:2008
  */
 
 CREATE TABLE sql_languages (
@@ -1643,7 +1651,7 @@ GRANT SELECT ON sql_languages TO PUBLIC;
 CREATE TABLE sql_packages (
     feature_id      character_data,
     feature_name    character_data,
-    is_supported    character_data,
+    is_supported    yes_or_no,
     is_verified_by  character_data,
     comments        character_data
 ) WITHOUT OIDS;
@@ -1670,7 +1678,7 @@ GRANT SELECT ON sql_packages TO PUBLIC;
 CREATE TABLE sql_parts (
     feature_id      character_data,
     feature_name    character_data,
-    is_supported    character_data,
+    is_supported    yes_or_no,
     is_verified_by  character_data,
     comments        character_data
 ) WITHOUT OIDS;
@@ -1691,7 +1699,7 @@ INSERT INTO sql_parts VALUES ('14', 'XML-Related Specifications (SQL/XML)', 'YES
  * SQL_SIZING table
  */
 
--- Note: Sizing items are defined in ISO/IEC 9075-3:2003, clause 7.2.
+-- Note: Sizing items are defined in ISO/IEC 9075-3:2008, clause 9.2.
 
 CREATE TABLE sql_sizing (
     sizing_id       cardinal_number,
@@ -1770,9 +1778,9 @@ CREATE VIEW table_constraints AS
                             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 character_data)
+           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 character_data)
+           CAST(CASE WHEN c.condeferred THEN 'YES' ELSE 'NO' END AS yes_or_no)
              AS initially_deferred
 
     FROM pg_namespace nc,
@@ -1800,8 +1808,8 @@ CREATE VIEW table_constraints AS
            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 character_data) AS is_deferrable,
-           CAST('NO' AS character_data) AS initially_deferred
+           CAST('NO' AS yes_or_no) AS is_deferrable,
+           CAST('NO' AS yes_or_no) AS initially_deferred
 
     FROM pg_namespace nr,
          pg_class r,
@@ -1848,8 +1856,8 @@ CREATE VIEW table_privileges AS
                   pg_has_role(grantee.oid, c.relowner, 'USAGE')
                   OR aclcontains(c.relacl,
                                  makeaclitem(grantee.oid, u_grantor.oid, pr.type, true))
-                  THEN 'YES' ELSE 'NO' END AS character_data) AS is_grantable,
-           CAST('NO' AS character_data) AS with_hierarchy
+                  THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable,
+           CAST('NO' AS yes_or_no) AS with_hierarchy
 
     FROM pg_class c,
          pg_namespace nc,
@@ -1905,9 +1913,9 @@ CREATE VIEW tables AS
            CAST(CASE WHEN c.relkind = 'r'
                           OR (c.relkind = 'v'
                               AND EXISTS (SELECT 1 FROM pg_rewrite WHERE ev_class = c.oid AND ev_type = '3' AND is_instead))
-                THEN 'YES' ELSE 'NO' END AS character_data) AS is_insertable_into,
+                THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_insertable_into,
 
-           CAST('NO' AS character_data) AS is_typed,
+           CAST('NO' AS yes_or_no) AS is_typed,
            CAST(
              CASE WHEN nc.oid = pg_my_temp_schema() THEN 'PRESERVE' -- FIXME
                   ELSE null END
@@ -2067,7 +2075,7 @@ CREATE VIEW usage_privileges AS
            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('NO' AS character_data) AS is_grantable
+           CAST('NO' AS yes_or_no) AS is_grantable
 
     FROM pg_authid u,
          pg_namespace n,
@@ -2093,7 +2101,7 @@ CREATE VIEW usage_privileges AS
                   pg_has_role(grantee.oid, fdw.fdwowner, 'USAGE')
                   OR aclcontains(fdw.fdwacl,
                                  makeaclitem(grantee.oid, u_grantor.oid, 'USAGE', true))
-                  THEN 'YES' ELSE 'NO' END AS character_data) AS is_grantable
+                  THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
 
     FROM pg_foreign_data_wrapper fdw,
          pg_authid u_grantor,
@@ -2125,7 +2133,7 @@ CREATE VIEW usage_privileges AS
                   pg_has_role(grantee.oid, srv.srvowner, 'USAGE')
                   OR aclcontains(srv.srvacl,
                                  makeaclitem(grantee.oid, u_grantor.oid, 'USAGE', true))
-                  THEN 'YES' ELSE 'NO' END AS character_data) AS is_grantable
+                  THEN 'YES' ELSE 'NO' END AS yes_or_no) AS is_grantable
 
     FROM pg_foreign_server srv,
          pg_authid u_grantor,
@@ -2281,12 +2289,16 @@ CREATE VIEW views AS
              CASE WHEN EXISTS (SELECT 1 FROM pg_rewrite WHERE ev_class = c.oid AND ev_type = '2' AND is_instead)
                    AND EXISTS (SELECT 1 FROM pg_rewrite WHERE ev_class = c.oid AND ev_type = '4' AND is_instead)
                   THEN 'YES' ELSE 'NO' END
-             AS character_data) AS is_updatable,
+             AS yes_or_no) AS is_updatable,
 
            CAST(
              CASE WHEN EXISTS (SELECT 1 FROM pg_rewrite WHERE ev_class = c.oid AND ev_type = '3' AND is_instead)
                   THEN 'YES' ELSE 'NO' END
-             AS character_data) AS is_insertable_into
+             AS yes_or_no) AS is_insertable_into,
+
+           CAST('NO' AS yes_or_no) AS is_trigger_updatable,
+           CAST('NO' AS yes_or_no) AS is_trigger_deletable,
+           CAST('NO' AS yes_or_no) AS is_trigger_insertable_into
 
     FROM pg_namespace nc, pg_class c
 
@@ -2303,7 +2315,7 @@ GRANT SELECT ON views TO PUBLIC;
 -- The following views have dependencies that force them to appear out of order.
 
 /*
- * 5.23
+ * 5.24
  * DATA_TYPE_PRIVILEGES view
  */
 
@@ -2331,7 +2343,7 @@ GRANT SELECT ON data_type_privileges TO PUBLIC;
 
 
 /*
- * 5.28
+ * 5.29
  * ELEMENT_TYPES view
  */