diff --git a/doc/dominfo.txt b/doc/dominfo.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a439ff6c3c90e2029b6522e79b9cb32f54f728f0
--- /dev/null
+++ b/doc/dominfo.txt
@@ -0,0 +1,87 @@
+
+
+-- Test Comment / Drop
+create domain domaindroptest int4;
+comment on domain domaindroptest is 'About to drop this..';
+
+select * from pg_type where typname = 'domaindroptest';
+
+drop domain domaindroptest restrict;
+
+select * from pg_type where typname = 'domaindroptest';
+
+-- TEST Domains.
+
+create domain domainvarchar varchar(5);
+create domain domainnumeric numeric(8,2);
+create domain domainint4 int4;
+create domain domaintext text;
+
+
+-- Test tables using domains
+create table basictest
+           ( testint4 domainint4
+           , testtext domaintext
+           , testvarchar domainvarchar
+           , testnumeric domainnumeric
+           );
+
+INSERT INTO basictest values ('88', 'haha', 'short', '123.12');      -- Good
+INSERT INTO basictest values ('88', 'haha', 'short text', '123.12'); -- Bad varchar
+INSERT INTO basictest values ('88', 'haha', 'short', '123.1212');    -- Truncate numeric
+select * from basictest;
+
+
+-- Array Test
+create domain domainint4arr int4[1];
+create domain domaintextarr text[2][3];
+
+create table arrtest
+           ( testint4arr domainint4arr
+           , testtextarr domaintextarr
+           );
+INSERT INTO arrtest values ('{2,2}', '{{"a","b"}{"c","d"}}');
+INSERT INTO arrtest values ('{{2,2}{2,2}}', '{{"a","b"}}');
+INSERT INTO arrtest values ('{2,2}', '{{"a","b"}{"c","d"}{"e"}}');
+INSERT INTO arrtest values ('{2,2}', '{{"a"}{"c"}}');
+INSERT INTO arrtest values (NULL, '{{"a","b"}{"c","d","e"}}');
+
+
+create domain dnotnull varchar(15) NOT NULL;
+create domain dnull    varchar(15) NULL;
+
+create table nulltest
+           ( col1 dnotnull
+           , col2 dnotnull NULL  -- NOT NULL in the domain cannot be overridden
+           , col3 dnull    NOT NULL
+           , col4 dnull
+           );
+INSERT INTO nulltest DEFAULT VALUES;
+INSERT INTO nulltest values ('a', 'b', 'c', 'd');  -- Good
+INSERT INTO nulltest values (NULL, 'b', 'c', 'd');
+INSERT INTO nulltest values ('a', NULL, 'c', 'd');
+INSERT INTO nulltest values ('a', 'b', NULL, 'd');
+INSERT INTO nulltest values ('a', 'b', 'c', NULL); -- Good
+select * from nulltest;
+
+
+create domain ddef1 int4 DEFAULT 3;
+create domain ddef2 numeric(8,6) DEFAULT '1234.123456789';
+-- Type mixing, function returns int8
+create domain ddef3 text DEFAULT 5;
+create sequence ddef4_seq;
+create domain ddef4 int4 DEFAULT nextval(cast('ddef4_seq' as text));
+
+create table defaulttest
+            ( col1 ddef1
+            , col2 ddef2
+            , col3 ddef3
+            , col4 ddef4
+            , col5 ddef1 NOT NULL DEFAULT NULL
+            , col6 ddef2 DEFAULT '88.1'
+            , col7 ddef4 DEFAULT 8000
+            );
+insert into defaulttest default values;
+insert into defaulttest default values;
+insert into defaulttest default values;
+select * from defaulttest;
diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index aab0a906d9b7a589c648e70e55dd4ab6b5e8adcb..357d17712b5b9ef9f64c7a7d0ccda1b0c3aae03d 100644
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -1,6 +1,6 @@
 <!--
  Documentation of the system catalogs, directed toward PostgreSQL developers
- $Header: /cvsroot/pgsql/doc/src/sgml/catalogs.sgml,v 2.31 2002/03/01 22:45:03 petere Exp $
+ $Header: /cvsroot/pgsql/doc/src/sgml/catalogs.sgml,v 2.32 2002/03/06 20:34:43 momjian Exp $
  -->
 
 <chapter id="catalogs">
@@ -2510,6 +2510,53 @@
       </para></entry>
      </row>
 
+     <row>
+      <entry>typbasetype</entry>
+      <entry><type>oid</type></entry>
+      <entry></entry>
+      <entry><para>
+       <structfield>typbasetype</structfield> is the type that this one is based
+       off of.  Normally references the domains parent type, and is 0 otherwise.
+      </para></entry>
+     </row>
+
+	 <row>
+	  <entry>typnotnull</entry>
+	  <entry><type>boolean</type></entry>
+	  <entry></entry>
+	  <entry><para>
+	   <structfield>typnotnull</structfield> represents a NOT NULL
+	   constraint on a type.  Normally used only for domains.
+	  </para></entry>
+	 </row>
+
+     <row>
+      <entry>typmod</entry>
+      <entry><type>integer</type></entry>
+      <entry></entry>
+      <entry><para>
+       <structfield>typmod</structfield> records type-specific data
+       supplied at table creation time (for example, the maximum
+       length of a <type>varchar</type> column).  It is passed to
+       type-specific input and output functions as the third
+       argument. The value will generally be -1 for types that do not
+       need typmod.  This data is copied to
+       <structfield>pg_attribute.atttypmod</structfield> on creation
+       of a table using a domain as it's field type.
+       </para></entry>
+     </row>
+
+     <row>
+      <entry>typdefaultbin</entry>
+      <entry><type>text</type></entry>
+      <entry></entry>
+      <entry><para>
+       <structfield>typdefaultbin</structfield> is NULL for types without a
+       default value.  If it's not NULL, it contains the internal string
+       representation of the default expression node.
+      </para></entry>
+     </row>
+
      <row>
       <entry>typdefault</entry>
       <entry><type>text</type></entry>
diff --git a/doc/src/sgml/ref/allfiles.sgml b/doc/src/sgml/ref/allfiles.sgml
index 94f1226c24f73997675812a41a2e4ab59afb9fe5..948e2cdac5ed13f110b147f88e44f8fbce1f652c 100644
--- a/doc/src/sgml/ref/allfiles.sgml
+++ b/doc/src/sgml/ref/allfiles.sgml
@@ -1,5 +1,5 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/allfiles.sgml,v 1.33 2002/03/01 22:45:07 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/allfiles.sgml,v 1.34 2002/03/06 20:34:44 momjian Exp $
 PostgreSQL documentation
 Complete list of usable sgml source files in this directory.
 -->
@@ -52,6 +52,7 @@ Complete list of usable sgml source files in this directory.
 <!entity createAggregate    system "create_aggregate.sgml">
 <!entity createConstraint   system "create_constraint.sgml">
 <!entity createDatabase     system "create_database.sgml">
+<!entity createDomain       system "create_domain.sgml">
 <!entity createFunction     system "create_function.sgml">
 <!entity createGroup        system "create_group.sgml">
 <!entity createIndex        system "create_index.sgml">
@@ -69,6 +70,7 @@ Complete list of usable sgml source files in this directory.
 <!entity delete             system "delete.sgml">
 <!entity dropAggregate      system "drop_aggregate.sgml">
 <!entity dropDatabase       system "drop_database.sgml">
+<!entity dropDomain         system "drop_domain.sgml">
 <!entity dropFunction       system "drop_function.sgml">
 <!entity dropGroup          system "drop_group.sgml">
 <!entity dropIndex          system "drop_index.sgml">
diff --git a/doc/src/sgml/ref/comment.sgml b/doc/src/sgml/ref/comment.sgml
index 9a22b7589544beb96fac498e00b23218ca9728ad..2482a2d7e33fdde23ab5980bfcbe8bebed4c5a1f 100644
--- a/doc/src/sgml/ref/comment.sgml
+++ b/doc/src/sgml/ref/comment.sgml
@@ -1,5 +1,5 @@
 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/ref/comment.sgml,v 1.12 2001/12/27 21:36:57 tgl Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/comment.sgml,v 1.13 2002/03/06 20:34:44 momjian Exp $
 PostgreSQL documentation
 -->
 
@@ -25,7 +25,7 @@ PostgreSQL documentation
   <synopsis>
 COMMENT ON
 [
-  [ DATABASE | INDEX | RULE | SEQUENCE | TABLE | TYPE | VIEW ] <replaceable class="PARAMETER">object_name</replaceable> |
+  [ DATABASE | DOMAIN | INDEX | RULE | SEQUENCE | TABLE | TYPE | VIEW ] <replaceable class="PARAMETER">object_name</replaceable> |
   COLUMN <replaceable class="PARAMETER">table_name</replaceable>.<replaceable class="PARAMETER">column_name</replaceable> |
   AGGREGATE <replaceable class="PARAMETER">agg_name</replaceable> (<replaceable class="PARAMETER">agg_type</replaceable>) |
   FUNCTION <replaceable class="PARAMETER">func_name</replaceable> (<replaceable class="PARAMETER">arg1</replaceable>, <replaceable class="PARAMETER">arg2</replaceable>, ...) |
@@ -33,7 +33,7 @@ COMMENT ON
   TRIGGER <replaceable class="PARAMETER">trigger_name</replaceable> ON <replaceable class="PARAMETER">table_name</replaceable>
 ] IS <replaceable class="PARAMETER">'text'</replaceable>
   </synopsis>
-  
+
   <refsect2 id="R2-SQL-COMMENT-1">
    <refsect2info>
     <date>1999-10-25</date>
@@ -64,7 +64,7 @@ COMMENT ON
     </variablelist>
    </para>
   </refsect2>
-  
+
   <refsect2 id="R2-SQL-COMMENT-2">
    <refsect2info>
     <date>1998-09-08</date>
@@ -99,7 +99,7 @@ COMMENT
   </title>
   <para>
    <command>COMMENT</command> stores a comment about a database object.
-    Comments can be 
+    Comments can be
     easily retrieved with <command>psql</command>'s
     <command>\dd</command>, <command>\d+</command>, or <command>\l+</command>
     commands.  Other user interfaces to retrieve comments can be built atop
@@ -141,6 +141,7 @@ COMMENT ON mytable IS 'This is my table.';
 
    <programlisting>
 COMMENT ON DATABASE my_database IS 'Development Database';
+COMMENT ON DOMAIN my_domain IS 'Domains are like abstracted fields';
 COMMENT ON INDEX my_index IS 'Enforces uniqueness on employee id';
 COMMENT ON RULE my_rule IS 'Logs UPDATES of employee records';
 COMMENT ON SEQUENCE my_sequence IS 'Used to generate primary keys';
@@ -155,12 +156,12 @@ COMMENT ON TRIGGER my_trigger ON my_table IS 'Used for R.I.';
    </programlisting>
   </para>
  </refsect1>
- 
+
  <refsect1 id="R1-SQL-COMMENT-3">
   <title>
    Compatibility
   </title>
-  
+
   <refsect2 id="R2-SQL-COMMENT-4">
    <refsect2info>
     <date>1998-09-08</date>
diff --git a/doc/src/sgml/ref/create_domain.sgml b/doc/src/sgml/ref/create_domain.sgml
new file mode 100644
index 0000000000000000000000000000000000000000..f88069bfc20c5dbec5838c5c5bbeb0b5893ee8d5
--- /dev/null
+++ b/doc/src/sgml/ref/create_domain.sgml
@@ -0,0 +1,231 @@
+<!--
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_domain.sgml,v 1.1 2002/03/06 20:34:44 momjian Exp $
+PostgreSQL documentation
+-->
+
+<refentry id="SQL-CREATEDOMAIN">
+ <refmeta>
+  <refentrytitle id="sql-createdomian-title">
+   CREATE DOMAIN
+  </refentrytitle>
+  <refmiscinfo>SQL - Language Statements</refmiscinfo>
+ </refmeta>
+ <refnamediv>
+  <refname>
+   CREATE DOMAIN
+  </refname>
+  <refpurpose>
+   define a new domain
+  </refpurpose>
+ </refnamediv>
+ <refsynopsisdiv>
+  <refsynopsisdivinfo>
+   <date>2002-02-24</date>
+  </refsynopsisdivinfo>
+  <synopsis>
+CREATE DOMAIN <replaceable class="parameter">domainname</replaceable> <replaceable class="parameter">data_type</replaceable>  [ DEFAULT <replaceable>default_expr</> ] [ <replaceable class="PARAMETER">column_constraint</replaceable> [, ... ] ]
+[ CONSTRAINT <replaceable class="PARAMETER">constraint_name</replaceable> ]
+{ NOT NULL | NULL <!-- |  UNIQUE | PRIMARY KEY |
+  CHECK (<replaceable class="PARAMETER">expression</replaceable>) |
+  REFERENCES <replaceable class="PARAMETER">reftable</replaceable> [ ( <replaceable class="PARAMETER">refcolumn</replaceable> ) ] [ MATCH FULL | MATCH PARTIAL ]
+    [ ON DELETE <replaceable class="parameter">action</replaceable> ] [ ON UPDATE <replaceable class="parameter">action</replaceable> ] --> }
+<!-- [ DEFERRABLE | NOT DEFERRABLE ] [ INITIALLY DEFERRED | INITIALLY IMMEDIATE ] -->
+  </synopsis>
+
+  <refsect2 id="R2-SQL-CREATEDOMAIN-1">
+   <refsect2info>
+    <date>2002-02-24</date>
+   </refsect2info>
+   <title>
+    Parameters
+   </title>
+   <para>
+
+    <variablelist>
+     <varlistentry>
+      <term><replaceable class="parameter">domainname</replaceable></term>
+      <listitem>
+       <para>
+	The name of a domain to be created.
+       </para>
+      </listitem>
+     </varlistentry>
+
+     <varlistentry>
+      <term><replaceable class="PARAMETER">data_type</replaceable></term>
+      <listitem>
+       <para>
+        The data type of the domain. This may include array specifiers.
+        Refer to the <citetitle>User's Guide</citetitle> for further
+        information about data types and arrays.
+       </para>
+      </listitem>
+     </varlistentry>
+
+     <varlistentry>
+      <term><literal>DEFAULT
+      <replaceable>default_expr</replaceable></literal></term>
+      <listitem>
+       <para>
+        The <literal>DEFAULT</> clause assigns a default data value for
+        the column whose column definition it appears within.  The value
+        is any variable-free expression (subselects and cross-references
+        to other columns in the current table are not allowed).  The
+        data type of the default expression must match the data type of the
+        domain.
+       </para>
+
+       <para>
+        The default expression will be used in any insert operation that
+        does not specify a value for the domain.  If there is no default
+        for a domain, then the default is NULL.
+       </para>
+
+       <note>
+        <para>
+         The default of a column will be tested before that of the domain.
+        </para>
+       </note>
+      </listitem>
+     </varlistentry>
+
+     <varlistentry>
+      <term><literal>CONSTRAINT <replaceable class="PARAMETER">constraint_name</replaceable></literal></term>
+      <listitem>
+       <para>
+        An optional name for a domain.  If not specified,
+        the system generates a name.
+       </para>
+      </listitem>
+     </varlistentry>
+
+     <varlistentry>
+      <term><literal>NOT NULL</></term>
+      <listitem>
+       <para>
+        The column is not allowed to contain NULL values.  This is
+        equivalent to the column constraint <literal>CHECK (<replaceable
+        class="PARAMETER">column</replaceable> NOT NULL)</literal>.
+       </para>
+      </listitem>
+     </varlistentry>
+
+     <varlistentry>
+      <term><literal>NULL</></term>
+      <listitem>
+       <para>
+        The column is allowed to contain NULL values. This is the default.
+       </para>
+
+       <para>
+        This clause is only available for compatibility with
+        non-standard SQL databases.  Its use is discouraged in new
+        applications.
+       </para>
+      </listitem>
+     </varlistentry>
+
+    </variablelist>
+   </para>
+  </refsect2>
+
+  <refsect2 id="R2-SQL-CREATEDOMAIN-2">
+   <refsect2info>
+    <date>2002-02-24</date>
+   </refsect2info>
+   <title>
+    Outputs
+   </title>
+   <para>
+
+    <variablelist>
+     <varlistentry>
+      <term><computeroutput>
+CREATE DOMAIN
+       </computeroutput></term>
+      <listitem>
+       <para>
+	Message returned if the domain is successfully created.
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
+   </para>
+  </refsect2>
+ </refsynopsisdiv>
+
+ <refsect1 id="R1-SQL-CREATEDOMAIN-1">
+  <refsect1info>
+   <date>2002-02-24</date>
+  </refsect1info>
+  <title>
+   Description
+  </title>
+
+  <para>
+   <command>CREATE DOMAIN</command>  allows  the user to register a new user data
+   domain with PostgreSQL for use in the current data base.   The
+   user  who  defines  a domain becomes its owner.
+   <replaceable class="parameter">domainname</replaceable> is
+   the name of the new type and must  be  unique  within  the
+   types and domains defined for this database.
+  </para>
+
+  <para>
+   Domains are useful for abstracting common fields between tables into
+   a single location for maintenance.  An email address column may be used
+   in several tables, all with the same properties.  Define a domain and
+   use that rather than setting up each tables constraints individually.
+  </para>
+ </refsect1>
+
+ <refsect1>
+  <title>Examples</title>
+  <para>
+   This example creates the <type>country_code</type> data type and then uses the
+   type in a table definition:
+<programlisting>
+CREATE DOMAIN country_code char(2) NOT NULL;
+CREATE TABLE countrylist (id INT4, country country_code);
+</programlisting>
+  </para>
+ </refsect1>
+
+ <refsect1 id="SQL-CREATEDOMAIN-compatibility">
+  <title>Compatibility</title>
+
+  <para>
+   This <command>CREATE DOMAIN</command> command is a
+   <productname>PostgreSQL</productname> extension.  CHECK and FOREIGN KEY
+   constraints are currently unsupported.
+  </para>
+ </refsect1>
+
+ <refsect1 id="SQL-CREATEDOMAIN-see-also">
+  <title>See Also</title>
+
+  <simplelist type="inline">
+   <member><xref linkend="sql-dropdomain"></member>
+   <member><citetitle>PostgreSQL Programmer's Guide</citetitle></member>
+  </simplelist>
+ </refsect1>
+
+</refentry>
+
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:nil
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+sgml-parent-document:nil
+sgml-default-dtd-file:"../reference.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:"/usr/lib/sgml/catalog"
+sgml-local-ecat-files:nil
+End:
+-->
diff --git a/doc/src/sgml/ref/drop_domain.sgml b/doc/src/sgml/ref/drop_domain.sgml
new file mode 100644
index 0000000000000000000000000000000000000000..d508d6aa15ed6be4d2eb63cfaecdec83a2845d7a
--- /dev/null
+++ b/doc/src/sgml/ref/drop_domain.sgml
@@ -0,0 +1,167 @@
+<!--
+$Header: /cvsroot/pgsql/doc/src/sgml/ref/drop_domain.sgml,v 1.1 2002/03/06 20:34:44 momjian Exp $
+PostgreSQL documentation
+-->
+
+<refentry id="SQL-DROPDOMAIN">
+ <refmeta>
+  <refentrytitle id="SQL-DROPDOMAIN-TITLE">
+   DROP DOMAIN
+  </refentrytitle>
+  <refmiscinfo>SQL - Language Statements</refmiscinfo>
+ </refmeta>
+ <refnamediv>
+  <refname>
+   DROP DOMAIN
+  </refname>
+  <refpurpose>
+   remove a user-defined domain
+  </refpurpose>
+ </refnamediv>
+ <refsynopsisdiv>
+  <refsynopsisdivinfo>
+   <date>1999-07-20</date>
+  </refsynopsisdivinfo>
+  <synopsis>
+DROP DOMAIN <replaceable class="PARAMETER">domainname</replaceable> [, ...]
+  </synopsis>
+
+  <refsect2 id="R2-SQL-DROPDOMAIN-1">
+   <refsect2info>
+    <date>2002-02-24</date>
+   </refsect2info>
+   <title>
+    Inputs
+   </title>
+   <para>
+    <variablelist>
+     <varlistentry>
+      <term><replaceable class="PARAMETER">domainname</replaceable></term>
+      <listitem>
+       <para>
+	The name of an existing domain.
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
+   </para>
+  </refsect2>
+
+  <refsect2 id="R2-SQL-DROPDOMAIN-2">
+   <refsect2info>
+    <date>2002-02-24</date>
+   </refsect2info>
+   <title>
+    Outputs
+   </title>
+   <para>
+    <variablelist>
+     <varlistentry>
+      <term><computeroutput>
+DROP
+       </computeroutput></term>
+      <listitem>
+       <para>
+	The message returned if the command is successful.
+       </para>
+      </listitem>
+     </varlistentry>
+     <varlistentry>
+      <term><computeroutput>
+ERROR:  RemoveDomain: type '<replaceable class="parameter">domainname</replaceable>' does not exist
+       </computeroutput></term>
+      <listitem>
+       <para>
+	This message occurs if the specified domain (or type) is not found.
+       </para>
+      </listitem>
+     </varlistentry>
+    </variablelist>
+   </para>
+  </refsect2>
+ </refsynopsisdiv>
+
+ <refsect1 id="R1-SQL-DROPDOMAIN-1">
+  <refsect1info>
+   <date>2002-02-24</date>
+  </refsect1info>
+  <title>
+   Description
+  </title>
+  <para>
+   <command>DROP DOMAIN</command> will remove a user domain from the
+   system catalogs.
+  </para>
+  <para>
+   Only the owner of a domain can remove it.
+  </para>
+ </refsect1>
+
+ <refsect1 id="SQL-DROPDOMAIN-notes">
+  <title>Notes</title>
+
+  <itemizedlist>
+   <listitem>
+    <para>
+     It is the user's responsibility to remove any operators,
+     functions, aggregates, access methods, and tables that
+     use a deleted domain.
+    </para>
+   </listitem>
+  </itemizedlist>
+ </refsect1>
+
+ <refsect1 id="SQL-DROPDOMAIN-examples">
+  <title>Examples</title>
+  <para>
+   To remove the <type>box</type> domain:
+
+<programlisting>
+DROP DOMAIN box RESTRICT;
+</programlisting>
+  </para>
+ </refsect1>
+
+ <refsect1 id="SQL-DROPDOMAIN-compatibility">
+  <title>Compatibility</title>
+
+  <para>
+   A <command>DROP DOMAIN</command> statement exists in SQL99.  As with
+   most other <quote>drop</quote> commands, <command>DROP
+   DOMAIN</command> in SQL99 requires a <quote>drop behavior</quote>
+   clause to select between dropping all dependent objects or refusing
+   to drop if dependent objects exist:
+<synopsis>
+DROP DOMAIN <replaceable>name</replaceable> { CASCADE | RESTRICT }
+</synopsis>
+   <productname>PostgreSQL</productname> enforces the existance of
+   RESTRICT or CASCADE but ignores their enforcement against the
+   system tables.
+  </para>
+ </refsect1>
+
+ <refsect1 id="SQL-DROPDOMAIN-see-also">
+  <title>See Also</title>
+
+  <simplelist type="inline">
+   <member><xref linkend="sql-createdomain"></member>
+  </simplelist>
+ </refsect1>
+</refentry>
+
+<!-- Keep this comment at the end of the file
+Local variables:
+mode: sgml
+sgml-omittag:nil
+sgml-shorttag:t
+sgml-minimize-attributes:nil
+sgml-always-quote-attributes:t
+sgml-indent-step:1
+sgml-indent-data:t
+sgml-parent-document:nil
+sgml-default-dtd-file:"../reference.ced"
+sgml-exposed-tags:nil
+sgml-local-catalogs:"/usr/lib/sgml/catalog"
+sgml-local-ecat-files:nil
+End:
+-->
diff --git a/doc/src/sgml/reference.sgml b/doc/src/sgml/reference.sgml
index 27f218d33fb6d7e69e34b7e4f7b9618797a77baf..14fd89b0a4f6a795c423611d86c8c9779922ccc4 100644
--- a/doc/src/sgml/reference.sgml
+++ b/doc/src/sgml/reference.sgml
@@ -1,5 +1,5 @@
 <!-- reference.sgml
-$Header: /cvsroot/pgsql/doc/src/sgml/reference.sgml,v 1.21 2002/03/01 22:45:04 petere Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/reference.sgml,v 1.22 2002/03/06 20:34:43 momjian Exp $
 
 PostgreSQL Reference Manual
 -->
@@ -61,6 +61,7 @@ PostgreSQL Reference Manual
    &createAggregate;
    &createConstraint;
    &createDatabase;
+   &createDomain;
    &createFunction;
    &createGroup;
    &createIndex;
@@ -78,6 +79,7 @@ PostgreSQL Reference Manual
    &delete;
    &dropAggregate;
    &dropDatabase;
+   &dropDomain;
    &dropFunction;
    &dropGroup;
    &dropIndex;
@@ -115,7 +117,7 @@ PostgreSQL Reference Manual
    &unlisten;
    &update;
    &vacuum;
-  
+
  </reference>
 
 <!--
diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index 61fc2a451b93f472011f0cac127260ef8d8101e7..2b55700f3ada09577fd3ec44a536443d10b85315 100644
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/catalog/heap.c,v 1.184 2002/03/06 06:09:25 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/catalog/heap.c,v 1.185 2002/03/06 20:34:45 momjian Exp $
  *
  *
  * INTERFACE ROUTINES
@@ -698,10 +698,15 @@ AddNewRelationType(char *typeName, Oid new_rel_oid, Oid new_type_oid)
 			   "oidin",			/* receive procedure */
 			   "oidout",		/* send procedure */
 			   NULL,			/* array element type - irrelevant */
+			   NULL,			/* baseType Name -- typically for domiains */
 			   NULL,			/* default type value - none */
+			   NULL,			/* default type binary representation */
 			   true,			/* passed by value */
 			   'i',				/* default alignment - same as for OID */
-			   'p');			/* Not TOASTable */
+			   'p',				/* Not TOASTable */
+			   -1,				/* Type mod length */
+			   0,				/* array dimensions for typBaseType */
+			   false);			/* Type NOT NULL */
 }
 
 /* --------------------------------
@@ -1584,6 +1589,10 @@ AddRelationRawConstraints(Relation rel,
 	int			numchecks;
 	List	   *listptr;
 
+	/* Probably shouldn't be null by default */
+	Node	   *expr = NULL;
+
+
 	/*
 	 * Get info about existing constraints.
 	 */
@@ -1614,68 +1623,13 @@ AddRelationRawConstraints(Relation rel,
 	foreach(listptr, rawColDefaults)
 	{
 		RawColumnDefault *colDef = (RawColumnDefault *) lfirst(listptr);
-		Node	   *expr;
-		Oid			type_id;
-
-		Assert(colDef->raw_default != NULL);
-
-		/*
-		 * Transform raw parsetree to executable expression.
-		 */
-		expr = transformExpr(pstate, colDef->raw_default, EXPR_COLUMN_FIRST);
-
-		/*
-		 * Make sure default expr does not refer to any vars.
-		 */
-		if (contain_var_clause(expr))
-			elog(ERROR, "cannot use column references in DEFAULT clause");
-
-		/*
-		 * No subplans or aggregates, either...
-		 */
-		if (contain_subplans(expr))
-			elog(ERROR, "cannot use subselects in DEFAULT clause");
-		if (contain_agg_clause(expr))
-			elog(ERROR, "cannot use aggregate functions in DEFAULT clause");
 
-		/*
-		 * Check that it will be possible to coerce the expression to the
-		 * column's type.  We store the expression without coercion,
-		 * however, to avoid premature coercion in cases like
-		 *
-		 * CREATE TABLE tbl (fld datetime DEFAULT 'now'::text);
-		 *
-		 * NB: this should match the code in optimizer/prep/preptlist.c that
-		 * will actually do the coercion, to ensure we don't accept an
-		 * unusable default expression.
-		 */
-		type_id = exprType(expr);
-		if (type_id != InvalidOid)
-		{
-			Form_pg_attribute atp = rel->rd_att->attrs[colDef->attnum - 1];
 
-			if (type_id != atp->atttypid)
-			{
-				if (CoerceTargetExpr(NULL, expr, type_id,
-								  atp->atttypid, atp->atttypmod) == NULL)
-					elog(ERROR, "Column \"%s\" is of type %s"
-						 " but default expression is of type %s"
-					"\n\tYou will need to rewrite or cast the expression",
-						 NameStr(atp->attname),
-						 format_type_be(atp->atttypid),
-						 format_type_be(type_id));
-			}
-		}
+		Form_pg_attribute atp = rel->rd_att->attrs[colDef->attnum - 1];
 
-		/*
-		 * Might as well try to reduce any constant expressions.
-		 */
-		expr = eval_const_expressions(expr);
-
-		/*
-		 * Must fix opids, in case any operators remain...
-		 */
-		fix_opids(expr);
+		expr = cookDefault(pstate, colDef->raw_default
+						, atp->atttypid, atp->atttypmod
+						, NameStr(atp->attname));
 
 		/*
 		 * OK, store it.
@@ -1892,6 +1846,88 @@ SetRelationNumChecks(Relation rel, int numchecks)
 	heap_close(relrel, RowExclusiveLock);
 }
 
+/*
+ * Take a raw default and convert it to a cooked format ready for
+ * storage.
+ *
+ * Parse state, attypid, attypmod and attname are required for
+ * CoerceTargetExpr() and more importantly transformExpr().
+ */
+Node *
+cookDefault(ParseState *pstate
+			, Node *raw_default
+			, Oid atttypid
+			, int32 atttypmod
+			, char *attname) {
+
+	Oid			type_id;
+	Node		*expr;
+
+	Assert(raw_default != NULL);
+
+	/*
+	 * Transform raw parsetree to executable expression.
+	 */
+	expr = transformExpr(pstate, raw_default, EXPR_COLUMN_FIRST);
+
+	/*
+	 * Make sure default expr does not refer to any vars.
+	 */
+	if (contain_var_clause(expr))
+		elog(ERROR, "cannot use column references in DEFAULT clause");
+
+	/*
+	 * No subplans or aggregates, either...
+	 */
+	if (contain_subplans(expr))
+		elog(ERROR, "cannot use subselects in DEFAULT clause");
+	if (contain_agg_clause(expr))
+		elog(ERROR, "cannot use aggregate functions in DEFAULT clause");
+
+	/*
+	 * Check that it will be possible to coerce the expression to the
+	 * column's type.  We store the expression without coercion,
+	 * however, to avoid premature coercion in cases like
+	 *
+	 * CREATE TABLE tbl (fld datetime DEFAULT 'now'::text);
+	 *
+	 * NB: this should match the code in optimizer/prep/preptlist.c that
+	 * will actually do the coercion, to ensure we don't accept an
+	 * unusable default expression.
+	 */
+	type_id = exprType(expr);
+	if (type_id != InvalidOid && atttypid != InvalidOid) {
+		if (type_id != atttypid) {
+
+			/* Try coercing to the base type of the domain if available */
+			if (CoerceTargetExpr(pstate, expr, type_id,
+								 getBaseType(atttypid),
+								 atttypmod) == NULL) {
+
+				elog(ERROR, "Column \"%s\" is of type %s"
+					" but default expression is of type %s"
+					"\n\tYou will need to rewrite or cast the expression",
+					 attname,
+					 format_type_be(atttypid),
+					 format_type_be(type_id));
+			}
+		}
+	}
+
+	/*
+	 * Might as well try to reduce any constant expressions.
+	 */
+	expr = eval_const_expressions(expr);
+
+	/*
+	 * Must fix opids, in case any operators remain...
+	 */
+	fix_opids(expr);
+
+	return(expr);
+}
+
+
 static void
 RemoveAttrDefaults(Relation rel)
 {
diff --git a/src/backend/catalog/pg_type.c b/src/backend/catalog/pg_type.c
index f14d06e0e273addeaf7da64d88a21d66c1ec1b3a..9991465a619412cb2cb7fe8d7ab66fe34363a639 100644
--- a/src/backend/catalog/pg_type.c
+++ b/src/backend/catalog/pg_type.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/catalog/pg_type.c,v 1.65 2001/10/25 05:49:23 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/catalog/pg_type.c,v 1.66 2002/03/06 20:34:46 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -178,8 +178,13 @@ TypeShellMakeWithOpenRelation(Relation pg_type_desc, char *typeName)
 	values[i++] = ObjectIdGetDatum(InvalidOid); /* 14 */
 	values[i++] = CharGetDatum('i');	/* 15 */
 	values[i++] = CharGetDatum('p');	/* 16 */
+		values[i++] = BoolGetDatum(false);	/* 17 */
+			values[i++] = Int32GetDatum(-1);	/* 18 */
 	values[i++] = DirectFunctionCall1(textin,
-									  CStringGetDatum(typeName));		/* 17 */
+									  CStringGetDatum(typeName));		/* 19 */
+	values[i++] = DirectFunctionCall1(textin,
+									  CStringGetDatum(typeName));		/* 20 */
+
 
 	/*
 	 * create a new type tuple with FormHeapTuple
@@ -264,7 +269,7 @@ TypeShellMake(char *typeName)
 Oid
 TypeCreate(char *typeName,
 		   Oid assignedTypeOid,
-		   Oid relationOid,		/* only for 'c'atalog typeTypes */
+		   Oid relationOid,			/* only for 'c'atalog typeTypes */
 		   int16 internalSize,
 		   int16 externalSize,
 		   char typeType,
@@ -274,10 +279,15 @@ TypeCreate(char *typeName,
 		   char *receiveProcedure,
 		   char *sendProcedure,
 		   char *elementTypeName,
-		   char *defaultTypeValue,		/* internal rep */
+		   char *baseTypeName,
+		   char *defaultTypeValue,	/* human readable rep */
+		   char *defaultTypeBin,	/* cooked rep */
 		   bool passedByValue,
 		   char alignment,
-		   char storage)
+		   char storage,
+		   int32 typeMod,
+		   int32 typNDims,			/* Array dimensions for baseTypeName */
+		   bool typeNotNull)		/* binary default representation (cooked) */
 {
 	int			i,
 				j;
@@ -285,6 +295,7 @@ TypeCreate(char *typeName,
 	HeapScanDesc pg_type_scan;
 	Oid			typeObjectId;
 	Oid			elementObjectId = InvalidOid;
+	Oid			baseObjectId = InvalidOid;
 	HeapTuple	tup;
 	char		nulls[Natts_pg_type];
 	char		replaces[Natts_pg_type];
@@ -317,6 +328,17 @@ TypeCreate(char *typeName,
 			elog(ERROR, "type %s does not exist", elementTypeName);
 	}
 
+	/*
+	 * if this type has an associated baseType, then we check that it
+	 * is defined.
+	 */
+	if (baseTypeName)
+	{
+		baseObjectId = TypeGet(baseTypeName, &defined);
+		if (!defined)
+			elog(ERROR, "type %s does not exist", baseTypeName);
+	}
+
 	/*
 	 * validate size specifications: either positive (fixed-length) or -1
 	 * (variable-length).
@@ -388,7 +410,7 @@ TypeCreate(char *typeName,
 			 * signature is 0,OIDOID,INT4OID.  The output procedures may
 			 * take 2 args (data value, element OID).
 			 */
-			if (OidIsValid(elementObjectId))
+			if (OidIsValid(elementObjectId) || OidIsValid(baseObjectId))
 			{
 				int			nargs;
 
@@ -411,6 +433,7 @@ TypeCreate(char *typeName,
 										 PointerGetDatum(argList),
 										 0);
 			}
+
 			if (!OidIsValid(procOid))
 				func_error("TypeCreate", procname, 1, argList, NULL);
 		}
@@ -428,6 +451,34 @@ TypeCreate(char *typeName,
 	 */
 	values[i++] = CharGetDatum(storage);		/* 16 */
 
+	/*
+	 * set the typenotnull value
+	 */
+	values[i++] = BoolGetDatum(typeNotNull);	/* 17 */
+
+	/*
+	 * set the typemod value
+	 */
+	values[i++] = Int32GetDatum(typeMod);			/* 18 */
+
+	values[i++] = ObjectIdGetDatum(baseObjectId);	/* 19 */
+
+	/*
+	 * Dimension number for an array base type
+	 */
+	values[i++] = Int32GetDatum(typNDims);			/* 20 */
+
+	/*
+	 * initialize the default binary value for this type.  Check for
+	 * nulls of course.
+	 */
+	if (defaultTypeBin)
+		values[i] = DirectFunctionCall1(textin,
+									  CStringGetDatum(defaultTypeBin));
+	else
+		nulls[i] = 'n';
+	i++;										/* 21 */
+
 	/*
 	 * initialize the default value for this type.
 	 */
@@ -436,7 +487,7 @@ TypeCreate(char *typeName,
 									  CStringGetDatum(defaultTypeValue));
 	else
 		nulls[i] = 'n';
-	i++;						/* 17 */
+	i++;						/* 22 */
 
 	/*
 	 * open pg_type and begin a scan for the type name.
diff --git a/src/backend/commands/creatinh.c b/src/backend/commands/creatinh.c
index 27535429c39499b04cc479a05df8fd285cf66072..586cee63cce5bb3adb5778089801de59f063b1bd 100644
--- a/src/backend/commands/creatinh.c
+++ b/src/backend/commands/creatinh.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/commands/Attic/creatinh.c,v 1.83 2002/03/06 06:09:31 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/commands/Attic/creatinh.c,v 1.84 2002/03/06 20:34:46 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -39,7 +39,7 @@ static bool change_varattnos_of_a_node(Node *node, const AttrNumber *newattno);
 static void StoreCatalogInheritance(Oid relationId, List *supers);
 static int	findAttrByName(const char *attributeName, List *schema);
 static void setRelhassubclassInRelation(Oid relationId, bool relhassubclass);
-
+static List *MergeDomainAttributes(List *schema);
 
 /* ----------------------------------------------------------------
  *		DefineRelation
@@ -69,6 +69,13 @@ DefineRelation(CreateStmt *stmt, char relkind)
 	 */
 	StrNCpy(relname, stmt->relname, NAMEDATALEN);
 
+	/*
+	 * Merge domain attributes into the known columns before inheritance
+	 * applies it's changes otherwise we risk adding double constraints
+	 * to a domain thats inherited.
+	 */
+	schema = MergeDomainAttributes(schema);
+
 	/*
 	 * Look up inheritance ancestors and generate relation schema,
 	 * including inherited attributes.
@@ -237,6 +244,88 @@ TruncateRelation(char *name)
 	heap_truncate(name);
 }
 
+
+/*
+ * MergeDomainAttributes
+ *      Returns a new schema with the constraints, types, and other
+ *      attributes of the domain resolved.
+ *
+ * Defaults are processed at execution time by taking the default of
+ * the type (domain) if it is null.  This does not need to be merged
+ * here.
+ */
+static List *
+MergeDomainAttributes(List *schema)
+{
+	List	   *entry;
+
+	/*
+	 * Loop through the table elements supplied. These should
+	 * never include inherited domains else they'll be
+	 * double (or more) processed.
+	 */
+	foreach(entry, schema)
+	{
+		ColumnDef  *coldef = lfirst(entry);
+		HeapTuple  tuple;
+		Form_pg_type typeTup;
+
+
+		tuple = SearchSysCache(TYPENAME,
+							   CStringGetDatum(coldef->typename->name),
+							   0,0,0);
+
+		if (!HeapTupleIsValid(tuple))
+			elog(ERROR, "MergeDomainAttributes: Type %s does not exist",
+				 coldef->typename->name);
+
+		typeTup = (Form_pg_type) GETSTRUCT(tuple);
+		if (typeTup->typtype == 'd') {
+			/*
+			 * This is a domain, lets force the properties of the domain on to
+			 * the new column.
+			 */
+
+			/* Enforce the typmod value */
+			coldef->typename->typmod = typeTup->typmod;
+
+			/* Enforce type NOT NULL || column definition NOT NULL -> NOT NULL */
+			coldef->is_not_null |= typeTup->typnotnull;
+
+			/* Enforce the element type in the event the domain is an array
+			 *
+			 * BUG: How do we fill out arrayBounds and attrname from typelem and typNDimms?
+			 */
+
+		}
+		ReleaseSysCache(tuple);
+
+//typedef struct TypeName
+//{
+	//NodeTag		type;
+	//char	   *name;			/* name of the type */
+	//bool		timezone;		/* timezone specified? */
+	//bool		setof;			/* is a set? */
+	//int32		typmod;			/* type modifier */
+	//List	   *arrayBounds;	/* array bounds */
+	//char	   *attrname;		/* field name when using %TYPE */
+//} TypeName;
+
+// ColumnDef
+//		NodeTag		type;
+//		char	   *colname;		/* name of column */
+//		TypeName   *typename;		/* type of column */
+//		bool		is_not_null;	/* NOT NULL constraint specified? */
+//		Node	   *raw_default;	/* default value (untransformed parse
+//								 * tree) */
+//		char	   *cooked_default; /* nodeToString representation */
+//		List	   *constraints;	/* other constraints on column */
+
+	}
+
+	return schema;
+}
+
 /*----------
  * MergeAttributes
  *		Returns new schema given initial schema and superclasses.
diff --git a/src/backend/commands/define.c b/src/backend/commands/define.c
index 841fc73c30939c512722eb3e054b8a8933dc6e0f..cb71340eb2c61ccbf8b1125b100a949cf963ca7b 100644
--- a/src/backend/commands/define.c
+++ b/src/backend/commands/define.c
@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/commands/define.c,v 1.67 2002/03/06 06:09:32 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/commands/define.c,v 1.68 2002/03/06 20:34:47 momjian Exp $
  *
  * DESCRIPTION
  *	  The "DefineFoo" routines take the parse tree and pick out the
@@ -40,6 +40,7 @@
 
 #include "access/heapam.h"
 #include "catalog/catname.h"
+#include "catalog/heap.h"
 #include "catalog/pg_aggregate.h"
 #include "catalog/pg_language.h"
 #include "catalog/pg_operator.h"
@@ -475,6 +476,322 @@ DefineAggregate(char *aggName, List *parameters)
 					initval);	/* initial condition */
 }
 
+/*
+ * DefineDomain
+ *		Registers a new domain.
+ */
+void
+DefineDomain(CreateDomainStmt *stmt)
+{
+	int16		internalLength = -1;	/* int2 */
+	int16		externalLength = -1;	/* int2 */
+	char	   *inputName = NULL;
+	char	   *outputName = NULL;
+	char	   *sendName = NULL;
+	char	   *receiveName = NULL;
+
+	/*
+	 * Domains store the external representation in defaultValue
+	 * and the interal Node representation in defaultValueBin
+	 */
+	char	   *defaultValue = NULL;
+	char	   *defaultValueBin = NULL;
+
+	bool		byValue = false;
+	char		delimiter = DEFAULT_TYPDELIM;
+	char		alignment = 'i';	/* default alignment */
+	char		storage = 'p';	/* default TOAST storage method */
+	char		typtype;
+	Datum		datum;
+	bool		typNotNull = false;
+	char		*elemName = NULL;
+	int32		typNDims = 0;	/* No array dimensions by default */
+
+	bool		isnull;
+	Relation	pg_type_rel;
+	TupleDesc	pg_type_dsc;
+	HeapTuple	typeTup;
+	char	   *typeName = stmt->typename->name;
+
+	List	   *listptr;
+	List	   *schema = stmt->constraints;
+
+	/*
+	 * Domainnames, unlike typenames don't need to account for the '_'
+	 * prefix.  So they can be one character longer.
+	 */
+	if (strlen(stmt->domainname) > (NAMEDATALEN - 1))
+		elog(ERROR, "CREATE DOMAIN: domain names must be %d characters or less",
+			 NAMEDATALEN - 1);
+
+
+	/* Test for existing Domain (or type) of that name */
+	typeTup = SearchSysCache( TYPENAME
+							, PointerGetDatum(stmt->domainname)
+							, 0, 0, 0
+							);
+
+	if (HeapTupleIsValid(typeTup))
+	{
+		elog(ERROR, "CREATE DOMAIN: domain or type  %s already exists",
+			 stmt->domainname);
+	}
+
+	/*
+	 * Get the information about old types
+	 */
+	pg_type_rel = heap_openr(TypeRelationName, RowExclusiveLock);
+	pg_type_dsc = RelationGetDescr(pg_type_rel);
+
+
+	/*
+	 * When the type is an array for some reason we don't actually receive
+	 * the name here.  We receive the base types name.  Lets set Dims while
+	 * were at it.
+	 */
+	if (stmt->typename->arrayBounds > 0) {
+		typeName = makeArrayTypeName(stmt->typename->name);
+
+		typNDims = length(stmt->typename->arrayBounds);
+	}
+
+
+	typeTup = SearchSysCache( TYPENAME
+							, PointerGetDatum(typeName)
+							, 0, 0, 0
+							);
+
+	if (!HeapTupleIsValid(typeTup))
+	{
+		elog(ERROR, "CREATE DOMAIN: type %s does not exist",
+			 stmt->typename->name);
+	}
+
+
+	/* Check that this is a basetype */
+	typtype = DatumGetChar(heap_getattr(typeTup, Anum_pg_type_typtype, pg_type_dsc, &isnull));
+	Assert(!isnull);
+
+	/*
+	 * What we really don't want is domains of domains.  This could cause all sorts
+	 * of neat issues if we allow that.
+	 *
+	 * With testing, we may determine complex types should be allowed
+	 */
+	if (typtype != 'b') {
+		elog(ERROR, "DefineDomain: %s is not a basetype", stmt->typename->name);
+	}
+
+	/* passed by value */
+	byValue = 			DatumGetBool(heap_getattr(typeTup, Anum_pg_type_typbyval, pg_type_dsc, &isnull));
+	Assert(!isnull);
+
+	/* Required Alignment */
+	alignment = 		DatumGetChar(heap_getattr(typeTup, Anum_pg_type_typalign, pg_type_dsc, &isnull));
+	Assert(!isnull);
+
+	/* Storage Length */
+	internalLength = 	DatumGetInt16(heap_getattr(typeTup, Anum_pg_type_typlen, pg_type_dsc, &isnull));
+	Assert(!isnull);
+
+	/* External Length (unused) */
+	externalLength = 	DatumGetInt16(heap_getattr(typeTup, Anum_pg_type_typprtlen, pg_type_dsc, &isnull));
+	Assert(!isnull);
+
+	/* Array element Delimiter */
+	delimiter = 		DatumGetChar(heap_getattr(typeTup, Anum_pg_type_typdelim, pg_type_dsc, &isnull));
+	Assert(!isnull);
+
+	/* Input Function Name */
+	datum = 			heap_getattr(typeTup, Anum_pg_type_typinput, pg_type_dsc, &isnull);
+	Assert(!isnull);
+
+	inputName = 		DatumGetCString(DirectFunctionCall1(regprocout, datum));
+
+	/* Output Function Name */
+	datum = 			heap_getattr(typeTup, Anum_pg_type_typoutput, pg_type_dsc, &isnull);
+	Assert(!isnull);
+
+	outputName = 		DatumGetCString(DirectFunctionCall1(regprocout, datum));
+
+	/* ReceiveName */
+	datum = 			heap_getattr(typeTup, Anum_pg_type_typreceive, pg_type_dsc, &isnull);
+	Assert(!isnull);
+
+	receiveName = 		DatumGetCString(DirectFunctionCall1(regprocout, datum));
+
+	/* SendName */
+	datum = 			heap_getattr(typeTup, Anum_pg_type_typsend, pg_type_dsc, &isnull);
+	Assert(!isnull);
+
+	sendName = 			DatumGetCString(DirectFunctionCall1(regprocout, datum));
+
+	/* TOAST Strategy */
+	storage = 			DatumGetChar(heap_getattr(typeTup, Anum_pg_type_typstorage, pg_type_dsc, &isnull));
+	Assert(!isnull);
+
+	/* Inherited default value */
+	datum = 			heap_getattr(typeTup, Anum_pg_type_typdefault, pg_type_dsc, &isnull);
+	if (!isnull) {
+		defaultValue = 	DatumGetCString(DirectFunctionCall1(textout, datum));
+	}
+
+	/*
+	 * Pull out the typelem name of the parent OID.
+	 *
+	 * This is what enables us to make a domain of an array
+	 */
+	datum = 			heap_getattr(typeTup, Anum_pg_type_typelem, pg_type_dsc, &isnull);
+	Assert(!isnull);
+
+	if (DatumGetObjectId(datum) != InvalidOid) {
+		HeapTuple tup;
+
+		tup = SearchSysCache( TYPEOID
+							, datum
+							, 0, 0, 0
+							);
+
+		elemName = NameStr(((Form_pg_type) GETSTRUCT(tup))->typname);
+
+		ReleaseSysCache(tup);
+	}
+
+
+	/*
+	 * Run through constraints manually avoids the additional
+	 * processing conducted by DefineRelation() and friends.
+	 *
+	 * Besides, we don't want any constraints to be cooked.  We'll
+	 * do that when the table is created via MergeDomainAttributes().
+	 */
+	foreach(listptr, schema)
+	{
+		bool nullDefined = false;
+		Node	   *expr;
+		Constraint *colDef = lfirst(listptr);
+
+		/* Used for the statement transformation */
+		ParseState *pstate;
+
+		/*
+		 * Create a dummy ParseState and insert the target relation as its
+		 * sole rangetable entry.  We need a ParseState for transformExpr.
+		 */
+		pstate = make_parsestate(NULL);
+
+		switch(colDef->contype) {
+			/*
+	 		 * The inherited default value may be overridden by the user
+			 * with the DEFAULT <expr> statement.
+			 *
+	 		 * We have to search the entire constraint tree returned as we
+			 * don't want to cook or fiddle too much.
+			 */
+			case CONSTR_DEFAULT:
+
+				/*
+				 * Cook the colDef->raw_expr into an expression to ensure
+				 * that it can be done.  We store the text version of the
+				 * raw value.
+				 *
+				 * Note: Name is strictly for error message
+				 */
+				expr = cookDefault(pstate, colDef->raw_expr
+								, typeTup->t_data->t_oid
+								, stmt->typename->typmod
+								, stmt->typename->name);
+
+				/* Binary default required */
+				defaultValue = deparse_expression(expr,
+								deparse_context_for(stmt->domainname,
+													InvalidOid),
+												   false);
+
+				defaultValueBin = nodeToString(expr);
+
+				break;
+
+			/*
+			 * Find the NULL constraint.
+			 */
+			case CONSTR_NOTNULL:
+				if (nullDefined) {
+					elog(ERROR, "CREATE DOMAIN has conflicting NULL / NOT NULL constraint");
+				} else {
+					typNotNull = true;
+					nullDefined = true;
+				}
+
+		  		break;
+
+			case CONSTR_NULL:
+				if (nullDefined) {
+					elog(ERROR, "CREATE DOMAIN has conflicting NULL / NOT NULL constraint");
+				} else {
+					typNotNull = false;
+					nullDefined = true;
+				}
+
+		  		break;
+
+		  	case CONSTR_UNIQUE:
+		  		elog(ERROR, "CREATE DOMAIN / UNIQUE indecies not supported");
+		  		break;
+
+		  	case CONSTR_PRIMARY:
+		  		elog(ERROR, "CREATE DOMAIN / PRIMARY KEY indecies not supported");
+		  		break;
+
+
+		  	case CONSTR_CHECK:
+
+		  		elog(ERROR, "defineDomain: CHECK Constraints not supported");
+		  		break;
+
+		  	case CONSTR_ATTR_DEFERRABLE:
+		  	case CONSTR_ATTR_NOT_DEFERRABLE:
+		  	case CONSTR_ATTR_DEFERRED:
+		  	case CONSTR_ATTR_IMMEDIATE:
+		  		elog(ERROR, "defineDomain: DEFERRABLE, NON DEFERRABLE, DEFERRED and IMMEDIATE not supported");
+		  		break;
+		}
+
+	}
+
+	/*
+	 * Have TypeCreate do all the real work.
+	 */
+	TypeCreate(stmt->domainname,	/* type name */
+			   InvalidOid,			/* preassigned type oid (not done here) */
+			   InvalidOid,			/* relation oid (n/a here) */
+			   internalLength,		/* internal size */
+			   externalLength,		/* external size */
+			   'd',					/* type-type (domain type) */
+			   delimiter,			/* array element delimiter */
+			   inputName,			/* input procedure */
+			   outputName,			/* output procedure */
+			   receiveName,			/* receive procedure */
+			   sendName,			/* send procedure */
+			   elemName,			/* element type name */
+			   typeName,			/* base type name */
+			   defaultValue,		/* default type value */
+			   defaultValueBin,		/* default type value */
+			   byValue,				/* passed by value */
+			   alignment,			/* required alignment */
+			   storage,				/* TOAST strategy */
+			   stmt->typename->typmod, /* typeMod value */
+			   typNDims,			/* Array dimensions for base type */
+			   typNotNull);	/* Type NOT NULL */
+
+	/*
+	 * Now we can clean up.
+	 */
+	ReleaseSysCache(typeTup);
+	heap_close(pg_type_rel, NoLock);
+}
+
+
 /*
  * DefineType
  *		Registers a new type.
@@ -490,6 +807,8 @@ DefineType(char *typeName, List *parameters)
 	char	   *sendName = NULL;
 	char	   *receiveName = NULL;
 	char	   *defaultValue = NULL;
+	char	   *defaultValueBin = NULL;
+	Node	   *defaultRaw = (Node *) NULL;
 	bool		byValue = false;
 	char		delimiter = DEFAULT_TYPDELIM;
 	char	   *shadow_type;
@@ -531,7 +850,7 @@ DefineType(char *typeName, List *parameters)
 		else if (strcasecmp(defel->defname, "element") == 0)
 			elemName = defGetString(defel);
 		else if (strcasecmp(defel->defname, "default") == 0)
-			defaultValue = defGetString(defel);
+			defaultRaw = defel->arg;
 		else if (strcasecmp(defel->defname, "passedbyvalue") == 0)
 			byValue = true;
 		else if (strcasecmp(defel->defname, "alignment") == 0)
@@ -591,6 +910,32 @@ DefineType(char *typeName, List *parameters)
 	if (outputName == NULL)
 		elog(ERROR, "Define: \"output\" unspecified");
 
+
+	if (defaultRaw) {
+		Node   *expr;
+		ParseState *pstate;
+
+		/*
+		 * Create a dummy ParseState and insert the target relation as its
+		 * sole rangetable entry.  We need a ParseState for transformExpr.
+		 */
+		pstate = make_parsestate(NULL);
+
+		expr = cookDefault(pstate, defaultRaw,
+						   InvalidOid,
+						   -1,
+						   typeName);
+
+		/* Binary default required */
+		defaultValue = deparse_expression(expr,
+						deparse_context_for(typeName,
+											InvalidOid),
+										   false);
+
+		defaultValueBin = nodeToString(expr);
+	}
+
+
 	/*
 	 * now have TypeCreate do all the real work.
 	 */
@@ -606,10 +951,15 @@ DefineType(char *typeName, List *parameters)
 			   receiveName,		/* receive procedure */
 			   sendName,		/* send procedure */
 			   elemName,		/* element type name */
+			   NULL,			/* base type name (Non-zero for domains) */
 			   defaultValue,	/* default type value */
+			   defaultValueBin,	/* default type value (Binary form) */
 			   byValue,			/* passed by value */
 			   alignment,		/* required alignment */
-			   storage);		/* TOAST strategy */
+			   storage,			/* TOAST strategy */
+			   -1,				/* typMod (Domains only) */
+			   0,				/* Array Dimensions of typbasetype */
+			   'f');			/* Type NOT NULL */
 
 	/*
 	 * When we create a base type (as opposed to a complex type) we need
@@ -632,10 +982,15 @@ DefineType(char *typeName, List *parameters)
 			   "array_in",		/* receive procedure */
 			   "array_out",		/* send procedure */
 			   typeName,		/* element type name */
+			   NULL,			/* base type name */
 			   NULL,			/* never a default type value */
+			   NULL,			/* binary default isn't sent either */
 			   false,			/* never passed by value */
 			   alignment,		/* see above */
-			   'x');			/* ARRAY is always toastable */
+			   'x',				/* ARRAY is always toastable */
+			   -1,				/* typMod (Domains only) */
+			   0,				/* Array dimensions of typbasetype */
+			   'f');			/* Type NOT NULL */
 
 	pfree(shadow_type);
 }
diff --git a/src/backend/commands/remove.c b/src/backend/commands/remove.c
index a0456adeb930dc186971072f623d6c4f281dc2be..69e6e1b9000b48191151736256b974c3a8e25f5d 100644
--- a/src/backend/commands/remove.c
+++ b/src/backend/commands/remove.c
@@ -1,14 +1,14 @@
 /*-------------------------------------------------------------------------
  *
  * remove.c
- *	  POSTGRES remove (function | type | operator ) utilty code.
+ *	  POSTGRES remove (domain | function | type | operator ) utilty code.
  *
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/commands/Attic/remove.c,v 1.66 2002/03/06 06:09:35 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/commands/Attic/remove.c,v 1.67 2002/03/06 20:34:47 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -22,6 +22,7 @@
 #include "commands/comment.h"
 #include "commands/defrem.h"
 #include "miscadmin.h"
+#include "parser/parse.h"
 #include "parser/parse_agg.h"
 #include "parser/parse_expr.h"
 #include "parser/parse_func.h"
@@ -275,6 +276,60 @@ RemoveType(char *typeName)		/* type name to be removed */
 	heap_close(relation, RowExclusiveLock);
 }
 
+/*
+ *	RemoveDomain
+ *		Removes the domain 'typeName' and all attributes and relations that
+ *		use it.
+ */
+void
+RemoveDomain(char *domainName, int behavior)		/* domain name to be removed */
+{
+	Relation	relation;
+	HeapTuple	tup;
+	TupleDesc	description;
+	char		typtype;
+	bool		isnull;
+
+
+	/* Domains are stored as types.  Check for permissions on the type */
+	if (!pg_ownercheck(GetUserId(), domainName, TYPENAME))
+		elog(ERROR, "RemoveDomain: type '%s': permission denied",
+			 domainName);
+
+
+	relation = heap_openr(TypeRelationName, RowExclusiveLock);
+	description = RelationGetDescr(relation);
+
+	tup = SearchSysCache(TYPENAME,
+						 PointerGetDatum(domainName),
+						 0, 0, 0);
+	if (!HeapTupleIsValid(tup))
+		elog(ERROR, "RemoveType: type '%s' does not exist", domainName);
+
+
+	/* Check that this is actually a domain */
+	typtype = DatumGetChar(heap_getattr(tup, Anum_pg_type_typtype, description, &isnull));
+	Assert(!isnull);
+
+	if (typtype != 'd') {
+		elog(ERROR, "%s is not a domain", domainName);
+	}
+
+	/* CASCADE unsupported */
+	if (behavior == CASCADE) {
+		elog(ERROR, "DROP DOMAIN does not support the CASCADE keyword");
+	}
+
+	/* Delete any comments associated with this type */
+	DeleteComments(tup->t_data->t_oid, RelationGetRelid(relation));
+
+	simple_heap_delete(relation, &tup->t_self);
+
+	ReleaseSysCache(tup);
+
+	heap_close(relation, RowExclusiveLock);
+}
+
 /*
  * RemoveFunction
  *		Deletes a function.
diff --git a/src/backend/nodes/copyfuncs.c b/src/backend/nodes/copyfuncs.c
index d3fe436ac77755e9578619e3c4dffd1c16fc7872..07acc5dde66308faf84d51a3eeb8b9b46bb74da8 100644
--- a/src/backend/nodes/copyfuncs.c
+++ b/src/backend/nodes/copyfuncs.c
@@ -15,7 +15,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.165 2002/03/01 22:45:11 petere Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.166 2002/03/06 20:34:47 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2227,6 +2227,19 @@ _copyLoadStmt(LoadStmt *from)
 	return newnode;
 }
 
+static CreateDomainStmt *
+_copyCreateDomainStmt(CreateDomainStmt *from)
+{
+	CreateDomainStmt *newnode = makeNode(CreateDomainStmt);
+
+	if (from->domainname)
+		newnode->domainname = pstrdup(from->domainname);
+	if (from->typename)
+		newnode->typename = from->typename;
+
+	return newnode;
+}
+
 static CreatedbStmt *
 _copyCreatedbStmt(CreatedbStmt *from)
 {
diff --git a/src/backend/nodes/equalfuncs.c b/src/backend/nodes/equalfuncs.c
index 661190dbaa86cec45861f8f2d4849b5c7ea21861..962471a5a97647d307205d9bd088d2bf7a531d42 100644
--- a/src/backend/nodes/equalfuncs.c
+++ b/src/backend/nodes/equalfuncs.c
@@ -20,7 +20,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.113 2002/03/06 06:09:49 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.114 2002/03/06 20:34:48 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1095,6 +1095,17 @@ _equalLoadStmt(LoadStmt *a, LoadStmt *b)
 	return true;
 }
 
+static bool
+_equalCreateDomainStmt(CreateDomainStmt *a, CreateDomainStmt *b)
+{
+	if (!equalstr(a->domainname, b->domainname))
+		return false;
+	if (!equal(a->typename, b->typename))
+		return false;
+
+	return true;
+}
+
 static bool
 _equalCreatedbStmt(CreatedbStmt *a, CreatedbStmt *b)
 {
@@ -2011,6 +2022,9 @@ equal(void *a, void *b)
 		case T_LoadStmt:
 			retval = _equalLoadStmt(a, b);
 			break;
+		case T_CreateDomainStmt:
+			retval = _equalCreateDomainStmt(a, b);
+			break;
 		case T_CreatedbStmt:
 			retval = _equalCreatedbStmt(a, b);
 			break;
diff --git a/src/backend/optimizer/prep/preptlist.c b/src/backend/optimizer/prep/preptlist.c
index 4f637f48d1a0791fd982a4e84bc2440fbb6904fd..d8b376ba8cecba667664b9f4747ef0293ac4064f 100644
--- a/src/backend/optimizer/prep/preptlist.c
+++ b/src/backend/optimizer/prep/preptlist.c
@@ -15,7 +15,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/optimizer/prep/preptlist.c,v 1.46 2001/11/05 17:46:26 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/optimizer/prep/preptlist.c,v 1.47 2002/03/06 20:34:49 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -355,7 +355,6 @@ build_column_default(Relation rel, int attrno)
 	Form_pg_attribute att_tup = rd_att->attrs[attrno - 1];
 	Oid			atttype = att_tup->atttypid;
 	int32		atttypmod = att_tup->atttypmod;
-	bool		hasdefault;
 	Datum		typedefault;
 	int16		typlen;
 	bool		typbyval;
@@ -392,7 +391,7 @@ build_column_default(Relation rel, int attrno)
 				if (type_id != atttype)
 				{
 					expr = CoerceTargetExpr(NULL, expr, type_id,
-											atttype, atttypmod);
+											getBaseType(atttype), atttypmod);
 
 					/*
 					 * This really shouldn't fail; should have checked the
@@ -430,41 +429,53 @@ build_column_default(Relation rel, int attrno)
 		 * element type is, and the element type's default is irrelevant
 		 * too.
 		 */
-		hasdefault = false;
-		typedefault = (Datum) 0;
 		typlen = sizeof(Oid);
 		typbyval = true;
+
+		expr = (Node *) makeConst(atttype,
+								  typlen,
+								  (Datum) 0,
+								  true,
+								  typbyval,
+								  false,           /* not a set */
+								  false);
 	}
 	else
 	{
 #ifdef	_DROP_COLUMN_HACK__
 		if (COLUMN_IS_DROPPED(att_tup))
 		{
-			hasdefault = false;
-			typedefault = (Datum) 0;
+
+			expr = (Node *) makeConst(atttype,
+									  typlen,
+									  (Datum) 0,
+									  true,
+									  typbyval,
+									  false,           /* not a set */
+									  false);
 		}
 		else
 #endif   /* _DROP_COLUMN_HACK__ */
-			hasdefault = get_typdefault(atttype, &typedefault);
-
+			expr = get_typdefault(atttype, atttypmod);
+
+		if (expr == NULL) {
+				expr = (Node *) makeConst(atttype,
+										  typlen,
+										  (Datum) 0,
+										  true,
+										  typbyval,
+										  false,		/* not a set */
+										  false);
+		}
 		get_typlenbyval(atttype, &typlen, &typbyval);
 	}
 
-	expr = (Node *) makeConst(atttype,
-							  typlen,
-							  typedefault,
-							  !hasdefault,
-							  typbyval,
-							  false,	/* not a set */
-							  false);
-
 	/*
 	 * If the column is a fixed-length type, it may need a length coercion
-	 * as well as a type coercion.	But NULLs don't need that.
+	 * as well as a type coercion, as well as direction to the final type.
 	 */
-	if (hasdefault)
-		expr = coerce_type_typmod(NULL, expr,
-								  atttype, atttypmod);
+	expr = coerce_type_typmod(NULL, expr,
+							  atttype, atttypmod);
 
 	return expr;
 }
diff --git a/src/backend/parser/gram.y b/src/backend/parser/gram.y
index a8aba404e76d91724905fe7919eab516df15256b..c1b46650917fe0c38c1d49b1a7bb8c38af70fadb 100644
--- a/src/backend/parser/gram.y
+++ b/src/backend/parser/gram.y
@@ -11,7 +11,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.285 2002/03/06 06:09:53 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/gram.y,v 2.286 2002/03/06 20:34:49 momjian Exp $
  *
  * HISTORY
  *	  AUTHOR			DATE			MAJOR EVENT
@@ -135,7 +135,8 @@ static void doNegateFloat(Value *v);
 		ClosePortalStmt, ClusterStmt, CommentStmt, ConstraintsSetStmt,
 		CopyStmt, CreateAsStmt, CreateGroupStmt, CreatePLangStmt,
 		CreateSchemaStmt, CreateSeqStmt, CreateStmt, CreateTrigStmt,
-		CreateUserStmt, CreatedbStmt, CursorStmt, DefineStmt, DeleteStmt,
+		CreateUserStmt, CreateDomainStmt, CreatedbStmt, CursorStmt,
+		DefineStmt, DeleteStmt,
 		DropGroupStmt, DropPLangStmt, DropSchemaStmt, DropStmt, DropTrigStmt,
 		DropUserStmt, DropdbStmt, ExplainStmt, FetchStmt,
 		GrantStmt, IndexStmt, InsertStmt, ListenStmt, LoadStmt, LockStmt,
@@ -289,6 +290,8 @@ static void doNegateFloat(Value *v);
 %type <list>	constraints_set_namelist
 %type <boolean>	constraints_set_mode
 
+%type <boolean> opt_as
+
 /*
  * If you make any token changes, remember to:
  *		- use "yacc -d" and update parse.h
@@ -343,7 +346,7 @@ static void doNegateFloat(Value *v);
 		WITHOUT
 
 /* Keywords (in SQL92 non-reserved words) */
-%token	COMMITTED, SERIALIZABLE, TYPE_P
+%token	COMMITTED, SERIALIZABLE, TYPE_P, DOMAIN_P
 
 /* Keywords for Postgres support (not in SQL92 reserved words)
  *
@@ -446,6 +449,7 @@ stmt : AlterDatabaseSetStmt
 		| CopyStmt
 		| CreateStmt
 		| CreateAsStmt
+		| CreateDomainStmt
 		| CreateSchemaStmt
 		| CreateGroupStmt
 		| CreateSeqStmt
@@ -776,7 +780,10 @@ DropSchemaStmt:  DROP SCHEMA UserId
 					n->dbname = $3;
 					$$ = (Node *)n;
 				}
+		;
+
 
+ 
 
 /*****************************************************************************
  *
@@ -1461,7 +1468,10 @@ ColConstraintElem:
 					n->name = NULL;
 					if (exprIsNullConstant($2))
 					{
-						/* DEFAULT NULL should be reported as empty expr */
+						/*
+						 * DEFAULT NULL should be reported as empty expr
+						 * Required for NOT NULL Domain overrides
+						 */
 						n->raw_expr = NULL;
 					}
 					else
@@ -2043,7 +2053,16 @@ def_list:  def_elem							{ $$ = makeList1($1); }
 		| def_list ',' def_elem				{ $$ = lappend($1, $3); }
 		;
 
-def_elem:  ColLabel '=' def_arg
+def_elem:  DEFAULT '=' b_expr
+				{
+					$$ = makeNode(DefElem);
+					$$->defname = "default";
+					if (exprIsNullConstant($3))
+						$$->arg = (Node *)NULL;
+					else
+						$$->arg = $3;
+				}
+		| ColLabel '=' def_arg
 				{
 					$$ = makeNode(DefElem);
 					$$->defname = $1;
@@ -2078,6 +2097,15 @@ DropStmt:  DROP drop_type name_list
 					DropStmt *n = makeNode(DropStmt);
 					n->removeType = $2;
 					n->names = $3;
+					n->behavior = RESTRICT;		/* Restricted by default */
+					$$ = (Node *)n;
+				}
+		| DROP DOMAIN_P name_list drop_behavior
+				{	
+					DropStmt *n = makeNode(DropStmt);
+					n->removeType = DROP_DOMAIN_P;
+					n->names = $3;
+					n->behavior = $4;
 					$$ = (Node *)n;
 				}
 		;
@@ -2110,7 +2138,7 @@ TruncateStmt:  TRUNCATE opt_table relation_name
  *  The COMMENT ON statement can take different forms based upon the type of
  *  the object associated with the comment. The form of the statement is:
  *
- *  COMMENT ON [ [ DATABASE | INDEX | RULE | SEQUENCE | TABLE | TYPE | VIEW ] 
+ *  COMMENT ON [ [ DATABASE | DOMAIN | INDEX | RULE | SEQUENCE | TABLE | TYPE | VIEW ] 
  *               <objname> | AGGREGATE <aggname> (<aggtype>) | FUNCTION 
  *		 <funcname> (arg1, arg2, ...) | OPERATOR <op> 
  *		 (leftoperand_typ rightoperand_typ) | TRIGGER <triggername> ON
@@ -2196,6 +2224,7 @@ comment_type:	DATABASE { $$ = DATABASE; }
 		| RULE { $$ = RULE; }
 		| SEQUENCE { $$ = SEQUENCE; }
 		| TABLE { $$ = TABLE; }
+		| DOMAIN_P { $$ = TYPE_P; }
 		| TYPE_P { $$ = TYPE_P; }
 		| VIEW { $$ = VIEW; }
 		;		
@@ -3222,6 +3251,30 @@ AlterDatabaseSetStmt: ALTER DATABASE database_name VariableSetStmt
 				}
 		;
 
+/*****************************************************************************
+ *
+ * Manipulate a domain
+ *
+ *
+ *****************************************************************************/
+
+CreateDomainStmt:  CREATE DOMAIN_P name opt_as Typename ColQualList opt_collate
+				{
+					CreateDomainStmt *n = makeNode(CreateDomainStmt);
+					n->domainname = $3;
+					n->typename = $5;
+					n->constraints = $6;
+					
+					if ($7 != NULL)
+						elog(NOTICE,"CREATE DOMAIN / COLLATE %s not yet "
+							"implemented; clause ignored", $7);
+					$$ = (Node *)n;
+				}
+		;
+
+opt_as:	AS	{$$ = TRUE; }
+	| /* EMPTY */	{$$ = FALSE; }
+	;
 
 /*****************************************************************************
  *
@@ -5879,6 +5932,7 @@ unreserved_keyword:
 		| DEFERRED						{ $$ = "deferred"; }
 		| DELETE						{ $$ = "delete"; }
 		| DELIMITERS					{ $$ = "delimiters"; }
+		| DOMAIN_P						{ $$ = "domain"; }
 		| DOUBLE						{ $$ = "double"; }
 		| DROP							{ $$ = "drop"; }
 		| EACH							{ $$ = "each"; }
diff --git a/src/backend/parser/keywords.c b/src/backend/parser/keywords.c
index eaa0f7fa2b0424c051dc14c01397c0f74f05862f..02aff543d02679af0b9a263ee6fbb688bbd32321 100644
--- a/src/backend/parser/keywords.c
+++ b/src/backend/parser/keywords.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.101 2002/03/05 05:33:15 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/keywords.c,v 1.102 2002/03/06 20:34:50 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -97,6 +97,7 @@ static ScanKeyword ScanKeywords[] = {
 	{"desc", DESC},
 	{"distinct", DISTINCT},
 	{"do", DO},
+	{"domain", DOMAIN_P},
 	{"double", DOUBLE},
 	{"drop", DROP},
 	{"each", EACH},
diff --git a/src/backend/parser/parse_coerce.c b/src/backend/parser/parse_coerce.c
index e81edb3efc530e2613667960f6963a0ded75a34e..8586d5e5cca5f98d8fb7353bc83b09d3ced1d914 100644
--- a/src/backend/parser/parse_coerce.c
+++ b/src/backend/parser/parse_coerce.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.64 2001/10/25 05:49:39 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.65 2002/03/06 20:34:51 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -38,6 +38,7 @@ coerce_type(ParseState *pstate, Node *node, Oid inputTypeId,
 {
 	Node	   *result;
 
+
 	if (targetTypeId == inputTypeId ||
 		targetTypeId == InvalidOid ||
 		node == NULL)
@@ -605,3 +606,32 @@ PreferredType(CATEGORY category, Oid type)
 	}
 	return result;
 }	/* PreferredType() */
+
+
+/*
+ * If the targetTypeId is a domain, we really want to coerce
+ * the tuple to the domain type -- not the domain itself
+ */
+Oid
+getBaseType(Oid inType)
+{
+	HeapTuple	tup;
+	Form_pg_type typTup;
+
+	tup = SearchSysCache(TYPEOID,
+						 ObjectIdGetDatum(inType),
+						 0, 0, 0);
+
+	typTup = ((Form_pg_type) GETSTRUCT(tup));
+
+	/*
+	 * Assume that typbasetype exists and is a base type, where inType
+	 * was a domain
+	 */
+	if (typTup->typtype == 'd')
+		inType = typTup->typbasetype;
+
+	ReleaseSysCache(tup);
+
+	return inType;
+}
\ No newline at end of file
diff --git a/src/backend/parser/parse_expr.c b/src/backend/parser/parse_expr.c
index 339999c0c6356de510073b896e81697031b82357..b095fa44b874e9d1adc2222d1d3144f8d800f8fe 100644
--- a/src/backend/parser/parse_expr.c
+++ b/src/backend/parser/parse_expr.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.105 2001/11/12 20:05:24 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/parser/parse_expr.c,v 1.106 2002/03/06 20:34:52 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -1027,7 +1027,8 @@ parser_typecast_expression(ParseState *pstate,
 	if (inputType != targetType)
 	{
 		expr = CoerceTargetExpr(pstate, expr, inputType,
-								targetType, typename->typmod);
+								getBaseType(targetType),
+								typename->typmod);
 		if (expr == NULL)
 			elog(ERROR, "Cannot cast type '%s' to '%s'",
 				 format_type_be(inputType),
@@ -1039,7 +1040,7 @@ parser_typecast_expression(ParseState *pstate,
 	 * as well as a type coercion.
 	 */
 	expr = coerce_type_typmod(pstate, expr,
-							  targetType, typename->typmod);
+							  getBaseType(targetType), typename->typmod);
 
 	return expr;
 }
diff --git a/src/backend/tcop/utility.c b/src/backend/tcop/utility.c
index 528b93012c2bbf9285a08bbd87172b4614e63076..947bca0553684d71259b4129c4e2bcff7fe647e5 100644
--- a/src/backend/tcop/utility.c
+++ b/src/backend/tcop/utility.c
@@ -10,7 +10,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.129 2002/03/05 05:33:19 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/tcop/utility.c,v 1.130 2002/03/06 20:34:52 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -282,6 +282,11 @@ ProcessUtility(Node *parsetree,
 							/* RemoveType does its own permissions checks */
 							RemoveType(relname);
 							break;
+
+						case DROP_DOMAIN_P:
+							/* RemoveDomain does its own permissions checks */
+							RemoveDomain(relname, stmt->behavior);
+							break;
 					}
 
 					/*
@@ -742,6 +747,16 @@ ProcessUtility(Node *parsetree,
 			DropProceduralLanguage((DropPLangStmt *) parsetree);
 			break;
 
+			/*
+			 * ******************************** DOMAIN statements ****
+			 *
+			 */
+		case T_CreateDomainStmt:
+			set_ps_display(commandTag = "CREATE DOMAIN");
+
+			DefineDomain((CreateDomainStmt *) parsetree);
+			break;
+
 			/*
 			 * ******************************** USER statements ****
 			 *
diff --git a/src/backend/utils/adt/format_type.c b/src/backend/utils/adt/format_type.c
index 960d0b2bcf065176eca473edd66df70b5e293ea0..b825a5b14d2edee5475993a2e2d5dbd74a81396b 100644
--- a/src/backend/utils/adt/format_type.c
+++ b/src/backend/utils/adt/format_type.c
@@ -8,7 +8,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/format_type.c,v 1.24 2002/03/02 21:39:32 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/adt/format_type.c,v 1.25 2002/03/06 20:34:53 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -126,6 +126,7 @@ format_type_internal(Oid type_oid, int32 typemod,
 	bool		is_array;
 	char	   *name;
 	char	   *buf;
+	char		typtype;
 
 	if (type_oid == InvalidOid && allow_invalid)
 		return pstrdup("-");
@@ -144,6 +145,31 @@ format_type_internal(Oid type_oid, int32 typemod,
 
 	array_base_type = ((Form_pg_type) GETSTRUCT(tuple))->typelem;
 	typlen = ((Form_pg_type) GETSTRUCT(tuple))->typlen;
+	typtype = ((Form_pg_type) GETSTRUCT(tuple))->typtype;
+
+	/*
+	 * Domains look alot like arrays, so lets process them first, and return
+	 * back to avoid the array and 'standard' formatting procedures that are
+	 * use for base types.
+	 */
+	if (typtype == 'd') {
+		name = NameStr(((Form_pg_type) GETSTRUCT(tuple))->typname);
+
+		/*
+		 * Double-quote the name if it's not a standard identifier.
+		 * Note this is *necessary* for ruleutils.c's use.
+		 */
+		if (strspn(name, "abcdefghijklmnopqrstuvwxyz0123456789_") != strlen(name)
+			|| isdigit((unsigned char) name[0]))
+				buf = psnprintf(strlen(name) + 3, "\"%s\"", name);
+		else
+			buf = pstrdup(name);
+
+		ReleaseSysCache(tuple);
+
+		return buf;
+	}
+
 	if (array_base_type != InvalidOid && typlen < 0)
 	{
 		/* Switch our attention to the array element type */
diff --git a/src/backend/utils/cache/lsyscache.c b/src/backend/utils/cache/lsyscache.c
index 706397d28c6a25aa328a463e0eb6db9e4c96c5d2..3247c0aa8f6416d2b39b2b6312442e563eaaa49a 100644
--- a/src/backend/utils/cache/lsyscache.c
+++ b/src/backend/utils/cache/lsyscache.c
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1994, Regents of the University of California
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.60 2002/03/01 04:09:26 tgl Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/cache/lsyscache.c,v 1.61 2002/03/06 20:34:54 momjian Exp $
  *
  * NOTES
  *	  Eventually, the index information should go through here, too.
@@ -23,6 +23,7 @@
 #include "catalog/pg_shadow.h"
 #include "catalog/pg_statistic.h"
 #include "catalog/pg_type.h"
+#include "parser/parse_coerce.h"
 #include "utils/array.h"
 #include "utils/builtins.h"
 #include "utils/lsyscache.h"
@@ -822,16 +823,17 @@ get_typstorage(Oid typid)
  *	  Returns FALSE if there is no default (effectively, default is NULL).
  *	  The result points to palloc'd storage for pass-by-reference types.
  */
-bool
-get_typdefault(Oid typid, Datum *defaultValue)
+Node *
+get_typdefault(Oid typid, int32 atttypmod)
 {
 	HeapTuple	typeTuple;
 	Form_pg_type type;
-	Oid			typinput,
-				typelem;
-	Datum		textDefaultVal;
+	Oid			typinput;
+	Oid			typbasetype;
+	char		typtype;
+	Datum		datum;
 	bool		isNull;
-	char	   *strDefaultVal;
+	Node	   *expr;
 
 	typeTuple = SearchSysCache(TYPEOID,
 							   ObjectIdGetDatum(typid),
@@ -843,38 +845,41 @@ get_typdefault(Oid typid, Datum *defaultValue)
 	type = (Form_pg_type) GETSTRUCT(typeTuple);
 
 	typinput = type->typinput;
-	typelem = type->typelem;
+	typbasetype = type->typbasetype;
+	typtype = type->typtype;
 
 	/*
-	 * typdefault is potentially null, so don't try to access it as a
+	 * typdefaultbin is potentially null, so don't try to access it as a
 	 * struct field. Must do it the hard way with SysCacheGetAttr.
 	 */
-	textDefaultVal = SysCacheGetAttr(TYPEOID,
-									 typeTuple,
-									 Anum_pg_type_typdefault,
-									 &isNull);
+	datum = SysCacheGetAttr(TYPEOID,
+							typeTuple,
+							Anum_pg_type_typdefaultbin,
+							&isNull);
 
+	ReleaseSysCache(typeTuple);
 	if (isNull)
-	{
-		ReleaseSysCache(typeTuple);
-		*defaultValue = (Datum) 0;
-		return false;
-	}
+		return (Node *) NULL;
 
-	/* Convert text datum to C string */
-	strDefaultVal = DatumGetCString(DirectFunctionCall1(textout,
-														textDefaultVal));
+	/* Convert Datum to a Node */
+	expr = stringToNode(DatumGetCString(
+						DirectFunctionCall1(textout, datum)));
 
-	/* Convert C string to a value of the given type */
-	*defaultValue = OidFunctionCall3(typinput,
-									 CStringGetDatum(strDefaultVal),
-									 ObjectIdGetDatum(typelem),
-									 Int32GetDatum(-1));
 
-	pfree(strDefaultVal);
-	ReleaseSysCache(typeTuple);
+	/*
+	 * Ensure we goto the basetype before the domain type.
+	 *
+	 * Prevents scenarios like the below from failing:
+	 * CREATE DOMAIN dom text DEFAULT random();
+	 *
+	 */
+	if (typbasetype != InvalidOid) {
+		expr = coerce_type(NULL, expr, typid,
+						  typbasetype, atttypmod);
+	}
 
-	return true;
+
+	return expr;
 }
 
 /*
diff --git a/src/backend/utils/cache/relcache.c b/src/backend/utils/cache/relcache.c
index 233689c22d72788ac5d5e51acce7bb1f43bad2a2..9997b25db1208cb7c32351f2812b499cae1c394b 100644
--- a/src/backend/utils/cache/relcache.c
+++ b/src/backend/utils/cache/relcache.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/backend/utils/cache/relcache.c,v 1.154 2002/03/06 06:10:21 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/backend/utils/cache/relcache.c,v 1.155 2002/03/06 20:34:54 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -512,8 +512,12 @@ RelationBuildTupleDesc(RelationBuildDescInfo buildinfo,
 			   (char *) attp,
 			   ATTRIBUTE_TUPLE_SIZE);
 
-		/* Update constraint/default info */
-		if (attp->attnotnull)
+
+
+		/*
+		 * Update constraint/default info
+		 */
+       if (attp->attnotnull)
 			constr->has_not_null = true;
 
 		if (attp->atthasdef)
diff --git a/src/include/catalog/heap.h b/src/include/catalog/heap.h
index c68a5d4b50a9d00b8f1c8edcc4f00aa61c1f1aab..79c9e0b23a78f45b98f761693e57d44d4741a98b 100644
--- a/src/include/catalog/heap.h
+++ b/src/include/catalog/heap.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: heap.h,v 1.41 2001/11/05 17:46:31 momjian Exp $
+ * $Id: heap.h,v 1.42 2002/03/06 20:34:55 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -15,6 +15,8 @@
 #define HEAP_H
 
 #include "catalog/pg_attribute.h"
+#include "nodes/parsenodes.h"
+#include "parser/parse_node.h"
 #include "utils/rel.h"
 
 typedef struct RawColumnDefault
@@ -45,6 +47,12 @@ extern void AddRelationRawConstraints(Relation rel,
 						  List *rawColDefaults,
 						  List *rawConstraints);
 
+extern Node *cookDefault(ParseState *pstate
+						, Node *raw_default
+						, Oid atttypid
+						, int32 atttypmod
+						, char *attname);
+
 extern int	RemoveCheckConstraint(Relation rel, const char *constrName, bool inh);
 
 extern Form_pg_attribute SystemAttributeDefinition(AttrNumber attno,
diff --git a/src/include/catalog/pg_attribute.h b/src/include/catalog/pg_attribute.h
index 43f806188e68593b77ff52d0b2481c170b49c2b3..e8d59f3ed2463a68faccc0083e4e074d2b75c3bb 100644
--- a/src/include/catalog/pg_attribute.h
+++ b/src/include/catalog/pg_attribute.h
@@ -8,7 +8,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: pg_attribute.h,v 1.81 2002/03/01 22:45:16 petere Exp $
+ * $Id: pg_attribute.h,v 1.82 2002/03/06 20:34:56 momjian Exp $
  *
  * NOTES
  *	  the genbki.sh script reads this file and generates .bki
@@ -240,7 +240,13 @@ typedef FormData_pg_attribute *Form_pg_attribute;
 { 1247, {"typsend"},	   24, 0,	4, 14, 0, -1, -1, true, 'p', false, 'i', false, false }, \
 { 1247, {"typalign"},	   18, 0,	1, 15, 0, -1, -1, true, 'p', false, 'c', false, false }, \
 { 1247, {"typstorage"},    18, 0,	1, 16, 0, -1, -1, true, 'p', false, 'c', false, false }, \
-{ 1247, {"typdefault"},    25, 0,  -1, 17, 0, -1, -1, false , 'x', false, 'i', false, false }
+{ 1247, {"typnotnull"},    16, 0,   1, 17, 0, -1, -1, true, 'p', false, 'c', false, false }, \
+{ 1247, {"typmod"},        23, 0,	4, 18, 0, -1, -1, true, 'p', false, 'i', false, false }, \
+{ 1247, {"typbasetype"},   26, 0,	4, 19, 0, -1, -1, true, 'p', false, 'i', false, false }, \
+{ 1247, {"typndims"},      23, 0,	4, 20, 0, -1, -1, true, 'p', false, 'i', false, false }, \
+{ 1247, {"typdefaultbin"}, 25, 0,  -1, 21, 0, -1, -1, false, 'x', false, 'i', false, false }, \
+{ 1247, {"typdefault"},    25, 0,  -1, 22, 0, -1, -1, false, 'x', false, 'i', false, false }
+
 
 DATA(insert ( 1247 typname			19 DEFAULT_ATTSTATTARGET NAMEDATALEN   1 0 -1 -1 f p f i f f));
 DATA(insert ( 1247 typowner			23 0  4   2 0 -1 -1 t p f i f f));
@@ -258,7 +264,12 @@ DATA(insert ( 1247 typreceive		24 0  4  13 0 -1 -1 t p f i f f));
 DATA(insert ( 1247 typsend			24 0  4  14 0 -1 -1 t p f i f f));
 DATA(insert ( 1247 typalign			18 0  1  15 0 -1 -1 t p f c f f));
 DATA(insert ( 1247 typstorage		18 0  1  16 0 -1 -1 t p f c f f));
-DATA(insert ( 1247 typdefault		25 0 -1  17 0 -1 -1 f x f i f f));
+DATA(insert ( 1247 typnotnull		16 0  1  17 0 -1 -1 t p f c f f));
+DATA(insert ( 1247 typmod			23 0  4  18 0 -1 -1 t p f i f f));
+DATA(insert ( 1247 typbasetype		26 0  4  19 0 -1 -1 t p f i f f));
+DATA(insert ( 1247 typndims			23 0  4  20 0 -1 -1 t p f i f f));
+DATA(insert ( 1247 typdefaultbin	25 0 -1  21 0 -1 -1 f x f i f f));
+DATA(insert ( 1247 typdefault		25 0 -1  22 0 -1 -1 f x f i f f));
 DATA(insert ( 1247 ctid				27 0  6  -1 0 -1 -1 f p f i f f));
 DATA(insert ( 1247 oid				26 0  4  -2 0 -1 -1 t p f i f f));
 DATA(insert ( 1247 xmin				28 0  4  -3 0 -1 -1 t p f i f f));
diff --git a/src/include/catalog/pg_class.h b/src/include/catalog/pg_class.h
index 2a4bc84a363834e7bb7dc63011f7e9b0281335ca..ffe7285c3cd37be558cecd0e2e0a89b601b44124 100644
--- a/src/include/catalog/pg_class.h
+++ b/src/include/catalog/pg_class.h
@@ -8,7 +8,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: pg_class.h,v 1.59 2002/03/01 22:45:17 petere Exp $
+ * $Id: pg_class.h,v 1.60 2002/03/06 20:34:56 momjian Exp $
  *
  * NOTES
  *	  the genbki.sh script reads this file and generates .bki
@@ -132,7 +132,7 @@ typedef FormData_pg_class *Form_pg_class;
  * ----------------
  */
 
-DATA(insert OID = 1247 (  pg_type		71	PGUID 0 1247 0 0 0 0 f f r 17 0 0 0 0 0 t f f f _null_ ));
+DATA(insert OID = 1247 (  pg_type		71	PGUID 0 1247 0 0 0 0 f f r 22 0 0 0 0 0 t f f f _null_ ));
 DESCR("");
 DATA(insert OID = 1249 (  pg_attribute	75	PGUID 0 1249 0 0 0 0 f f r 15 0 0 0 0 0 f f f f _null_ ));
 DESCR("");
diff --git a/src/include/catalog/pg_type.h b/src/include/catalog/pg_type.h
index 83b7d1bcc46cd953b12bf8427f6017cf28b1c15d..2fa15e3c38fc5922408d70be9a31c80094af3ce4 100644
--- a/src/include/catalog/pg_type.h
+++ b/src/include/catalog/pg_type.h
@@ -8,7 +8,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: pg_type.h,v 1.114 2001/11/05 17:46:33 momjian Exp $
+ * $Id: pg_type.h,v 1.115 2002/03/06 20:34:57 momjian Exp $
  *
  * NOTES
  *	  the genbki.sh script reads this file and generates .bki
@@ -140,13 +140,50 @@ CATALOG(pg_type) BOOTSTRAP
 	 */
 	char		typstorage;
 
+	/*
+	 * This flag represents a "NOT NULL" constraint against this datatype.
+	 *
+	 * If true, the attnotnull column for a corresponding table column using
+	 * this datatype will always enforce the NOT NULL constraint.
+	 *
+	 * Used primarily for domain types.
+	 */
+	bool		typnotnull;
+
+	/*
+	 * typmod records type-specific data supplied at domain creation
+	 * time (for example, the max length of a varchar field).  It is
+	 * passed to type-specific input and output functions as the third
+	 * argument. The value will generally be -1 for types that do not need
+	 * typmod.  This value is copied to pg_attribute.atttypmod.
+	 */
+	int4		typmod;
+
+	/*
+	 * Domains use typbasetype to determine the base (or complex)type that
+	 * the domain is based off.  It must be non-zero if the type is a
+	 * domain.
+	 */
+	Oid			typbasetype;
+
+	/*
+	 * typndims is the declared number of dimensions, if an array typbasetype,
+	 * otherwise zero.
+	 */
+	int4		typndims;
+
+	/*
+	 * typdefaultbin is the binary representation of typdefault
+	 */
+	text		typdefaultbin;	/* VARIABLE LENGTH FIELD */
+
 	/*
 	 * typdefault is NULL if the type has no associated default value. If
 	 * it's not NULL, it contains the external representation of the
-	 * type's default value --- this default is used whenever no
-	 * per-column default is specified for a column of the datatype.
+	 * type's default value
 	 */
 	text		typdefault;		/* VARIABLE LENGTH FIELD */
+
 } FormData_pg_type;
 
 /* ----------------
@@ -160,7 +197,7 @@ typedef FormData_pg_type *Form_pg_type;
  *		compiler constants for pg_type
  * ----------------
  */
-#define Natts_pg_type					17
+#define Natts_pg_type					22
 #define Anum_pg_type_typname			1
 #define Anum_pg_type_typowner			2
 #define Anum_pg_type_typlen				3
@@ -177,7 +214,13 @@ typedef FormData_pg_type *Form_pg_type;
 #define Anum_pg_type_typsend			14
 #define Anum_pg_type_typalign			15
 #define Anum_pg_type_typstorage			16
-#define Anum_pg_type_typdefault			17
+#define Anum_pg_type_typnotnull			17
+#define Anum_pg_type_typmod				18
+#define Anum_pg_type_typbasetype		19
+#define Anum_pg_type_typndims			20
+#define Anum_pg_type_typdefaultbin		21
+#define Anum_pg_type_typdefault			22
+
 
 /* ----------------
  *		initial contents of pg_type
@@ -192,82 +235,82 @@ typedef FormData_pg_type *Form_pg_type;
 */
 
 /* OIDS 1 - 99 */
-DATA(insert OID = 16 (	bool	   PGUID  1   1 t b t \054 0   0 boolin boolout boolin boolout c p _null_ ));
+DATA(insert OID = 16 (	bool	   PGUID  1   1 t b t \054 0   0 boolin boolout boolin boolout c p f -1 0 0 _null_ _null_ ));
 DESCR("boolean, 'true'/'false'");
 #define BOOLOID			16
 
-DATA(insert OID = 17 (	bytea	   PGUID -1  -1 f b t \054 0  0 byteain byteaout byteain byteaout i x _null_ ));
+DATA(insert OID = 17 (	bytea	   PGUID -1  -1 f b t \054 0  0 byteain byteaout byteain byteaout i x f -1 0 0 _null_ _null_ ));
 DESCR("variable-length string, binary values escaped");
 #define BYTEAOID		17
 
-DATA(insert OID = 18 (	char	   PGUID  1   1 t b t \054 0   0 charin charout charin charout c p _null_ ));
+DATA(insert OID = 18 (	char	   PGUID  1   1 t b t \054 0   0 charin charout charin charout c p f -1 0 0 _null_ _null_ ));
 DESCR("single character");
 #define CHAROID			18
 
-DATA(insert OID = 19 (	name	   PGUID NAMEDATALEN NAMEDATALEN  f b t \054 0	18 namein nameout namein nameout i p _null_ ));
+DATA(insert OID = 19 (	name	   PGUID NAMEDATALEN NAMEDATALEN  f b t \054 0	18 namein nameout namein nameout i p f -1 0 0 _null_ _null_ ));
 DESCR("31-character type for storing system identifiers");
 #define NAMEOID			19
 
-DATA(insert OID = 20 (	int8	   PGUID  8  20 f b t \054 0   0 int8in int8out int8in int8out d p _null_ ));
+DATA(insert OID = 20 (	int8	   PGUID  8  20 f b t \054 0   0 int8in int8out int8in int8out d p f -1 0 0 _null_ _null_ ));
 DESCR("~18 digit integer, 8-byte storage");
 #define INT8OID			20
 
-DATA(insert OID = 21 (	int2	   PGUID  2   5 t b t \054 0   0 int2in int2out int2in int2out s p _null_ ));
+DATA(insert OID = 21 (	int2	   PGUID  2   5 t b t \054 0   0 int2in int2out int2in int2out s p f -1 0 0 _null_ _null_ ));
 DESCR("-32 thousand to 32 thousand, 2-byte storage");
 #define INT2OID			21
 
-DATA(insert OID = 22 (	int2vector PGUID INDEX_MAX_KEYS*2 -1 f b t \054 0  21 int2vectorin int2vectorout int2vectorin int2vectorout i p _null_ ));
+DATA(insert OID = 22 (	int2vector PGUID INDEX_MAX_KEYS*2 -1 f b t \054 0  21 int2vectorin int2vectorout int2vectorin int2vectorout i p f -1 0 0 _null_ _null_ ));
 DESCR("array of INDEX_MAX_KEYS int2 integers, used in system tables");
 #define INT2VECTOROID	22
 
-DATA(insert OID = 23 (	int4	   PGUID  4  10 t b t \054 0   0 int4in int4out int4in int4out i p _null_ ));
+DATA(insert OID = 23 (	int4	   PGUID  4  10 t b t \054 0   0 int4in int4out int4in int4out i p f -1 0 0 _null_ _null_ ));
 DESCR("-2 billion to 2 billion integer, 4-byte storage");
 #define INT4OID			23
 
-DATA(insert OID = 24 (	regproc    PGUID  4  16 t b t \054 0   0 regprocin regprocout regprocin regprocout i p _null_ ));
+DATA(insert OID = 24 (	regproc    PGUID  4  16 t b t \054 0   0 regprocin regprocout regprocin regprocout i p f -1 0 0 _null_ _null_ ));
 DESCR("registered procedure");
 #define REGPROCOID		24
 
-DATA(insert OID = 25 (	text	   PGUID -1  -1 f b t \054 0  0 textin textout textin textout i x _null_ ));
+DATA(insert OID = 25 (	text	   PGUID -1  -1 f b t \054 0  0 textin textout textin textout i x f -1 0 0 _null_ _null_ ));
 DESCR("variable-length string, no limit specified");
 #define TEXTOID			25
 
-DATA(insert OID = 26 (	oid		   PGUID  4  10 t b t \054 0   0 oidin oidout oidin oidout i p _null_ ));
+DATA(insert OID = 26 (	oid		   PGUID  4  10 t b t \054 0   0 oidin oidout oidin oidout i p f -1 0 0 _null_ _null_ ));
 DESCR("object identifier(oid), maximum 4 billion");
 #define OIDOID			26
 
-DATA(insert OID = 27 (	tid		   PGUID  6  19 f b t \054 0   0 tidin tidout tidin tidout i p _null_ ));
+DATA(insert OID = 27 (	tid		   PGUID  6  19 f b t \054 0   0 tidin tidout tidin tidout i p f -1 0 0 _null_ _null_ ));
 DESCR("(Block, offset), physical location of tuple");
 #define TIDOID		27
 
-DATA(insert OID = 28 (	xid		   PGUID  4  12 t b t \054 0   0 xidin xidout xidin xidout i p _null_ ));
+DATA(insert OID = 28 (	xid		   PGUID  4  12 t b t \054 0   0 xidin xidout xidin xidout i p f -1 0 0 _null_ _null_ ));
 DESCR("transaction id");
 #define XIDOID 28
 
-DATA(insert OID = 29 (	cid		   PGUID  4  10 t b t \054 0   0 cidin cidout cidin cidout i p _null_ ));
+DATA(insert OID = 29 (	cid		   PGUID  4  10 t b t \054 0   0 cidin cidout cidin cidout i p f -1 0 0 _null_ _null_ ));
 DESCR("command identifier type, sequence in transaction id");
 #define CIDOID 29
 
-DATA(insert OID = 30 (	oidvector  PGUID INDEX_MAX_KEYS*4 -1 f b t \054 0  26 oidvectorin oidvectorout oidvectorin oidvectorout i p _null_ ));
+DATA(insert OID = 30 (	oidvector  PGUID INDEX_MAX_KEYS*4 -1 f b t \054 0  26 oidvectorin oidvectorout oidvectorin oidvectorout i p f -1 0 0 _null_ _null_ ));
 DESCR("array of INDEX_MAX_KEYS oids, used in system tables");
 #define OIDVECTOROID	30
 
-DATA(insert OID = 32 (	SET		   PGUID -1  -1 f b t \054 0   0 textin textout textin textout i p _null_ ));
+DATA(insert OID = 32 (	SET		   PGUID -1  -1 f b t \054 0   0 textin textout textin textout i p f -1 0 0 _null_ _null_ ));
 DESCR("set of tuples");
 
-DATA(insert OID = 71 (	pg_type		 PGUID 4 4 t c t \054 1247 0 int4in int4out int4in int4out i p _null_));
-DATA(insert OID = 75 (	pg_attribute PGUID 4 4 t c t \054 1249 0 int4in int4out int4in int4out i p _null_));
-DATA(insert OID = 81 (	pg_proc		 PGUID 4 4 t c t \054 1255 0 int4in int4out int4in int4out i p _null_));
-DATA(insert OID = 83 (	pg_class	 PGUID 4 4 t c t \054 1259 0 int4in int4out int4in int4out i p _null_));
-DATA(insert OID = 86 (	pg_shadow	 PGUID 4 4 t c t \054 1260 0 int4in int4out int4in int4out i p _null_));
-DATA(insert OID = 87 (	pg_group	 PGUID 4 4 t c t \054 1261 0 int4in int4out int4in int4out i p _null_));
-DATA(insert OID = 88 (	pg_database  PGUID 4 4 t c t \054 1262 0 int4in int4out int4in int4out i p _null_));
+DATA(insert OID = 71 (	pg_type		 PGUID 4 4 t c t \054 1247 0 int4in int4out int4in int4out i p f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 75 (	pg_attribute PGUID 4 4 t c t \054 1249 0 int4in int4out int4in int4out i p f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 81 (	pg_proc		 PGUID 4 4 t c t \054 1255 0 int4in int4out int4in int4out i p f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 83 (	pg_class	 PGUID 4 4 t c t \054 1259 0 int4in int4out int4in int4out i p f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 86 (	pg_shadow	 PGUID 4 4 t c t \054 1260 0 int4in int4out int4in int4out i p f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 87 (	pg_group	 PGUID 4 4 t c t \054 1261 0 int4in int4out int4in int4out i p f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 88 (	pg_database  PGUID 4 4 t c t \054 1262 0 int4in int4out int4in int4out i p f -1 0 0 _null_ _null_ ));
 
 /* OIDS 100 - 199 */
 
 /* OIDS 200 - 299 */
 
-DATA(insert OID = 210 (  smgr	   PGUID 2	12 t b t \054 0 0 smgrin smgrout smgrin smgrout s p _null_ ));
+DATA(insert OID = 210 (  smgr	   PGUID 2	12 t b t \054 0 0 smgrin smgrout smgrin smgrout s p f -1 0 0 _null_ _null_ ));
 DESCR("storage manager");
 
 /* OIDS 300 - 399 */
@@ -277,167 +320,167 @@ DESCR("storage manager");
 /* OIDS 500 - 599 */
 
 /* OIDS 600 - 699 */
-DATA(insert OID = 600 (  point	   PGUID 16  24 f b t \054 0 701 point_in point_out point_in point_out d p _null_ ));
+DATA(insert OID = 600 (  point	   PGUID 16  24 f b t \054 0 701 point_in point_out point_in point_out d p f -1 0 0 _null_ _null_ ));
 DESCR("geometric point '(x, y)'");
 #define POINTOID		600
-DATA(insert OID = 601 (  lseg	   PGUID 32  48 f b t \054 0 600 lseg_in lseg_out lseg_in lseg_out d p _null_ ));
+DATA(insert OID = 601 (  lseg	   PGUID 32  48 f b t \054 0 600 lseg_in lseg_out lseg_in lseg_out d p f -1 0 0 _null_ _null_ ));
 DESCR("geometric line segment '(pt1,pt2)'");
 #define LSEGOID			601
-DATA(insert OID = 602 (  path	   PGUID -1  -1 f b t \054 0 0 path_in path_out path_in path_out d x _null_ ));
+DATA(insert OID = 602 (  path	   PGUID -1  -1 f b t \054 0 0 path_in path_out path_in path_out d x f -1 0 0 _null_ _null_ ));
 DESCR("geometric path '(pt1,...)'");
 #define PATHOID			602
-DATA(insert OID = 603 (  box	   PGUID 32 100 f b t \073 0 600 box_in box_out box_in box_out d p _null_ ));
+DATA(insert OID = 603 (  box	   PGUID 32 100 f b t \073 0 600 box_in box_out box_in box_out d p f -1 0 0 _null_ _null_ ));
 DESCR("geometric box '(lower left,upper right)'");
 #define BOXOID			603
-DATA(insert OID = 604 (  polygon   PGUID -1  -1 f b t \054 0   0 poly_in poly_out poly_in poly_out d x _null_ ));
+DATA(insert OID = 604 (  polygon   PGUID -1  -1 f b t \054 0   0 poly_in poly_out poly_in poly_out d x f -1 0 0 _null_ _null_ ));
 DESCR("geometric polygon '(pt1,...)'");
 #define POLYGONOID		604
 
-DATA(insert OID = 628 (  line	   PGUID 32  48 f b t \054 0 701 line_in line_out line_in line_out d p _null_ ));
+DATA(insert OID = 628 (  line	   PGUID 32  48 f b t \054 0 701 line_in line_out line_in line_out d p f -1 0 0 _null_ _null_ ));
 DESCR("geometric line '(pt1,pt2)'");
 #define LINEOID			628
-DATA(insert OID = 629 (  _line	   PGUID  -1 -1 f b t \054 0 628 array_in array_out array_in array_out d x _null_ ));
+DATA(insert OID = 629 (  _line	   PGUID  -1 -1 f b t \054 0 628 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
 DESCR("");
 
 /* OIDS 700 - 799 */
 
-DATA(insert OID = 700 (  float4    PGUID  4  12 f b t \054 0   0 float4in float4out float4in float4out i p _null_ ));
+DATA(insert OID = 700 (  float4    PGUID  4  12 f b t \054 0   0 float4in float4out float4in float4out i p f -1 0 0 _null_ _null_ ));
 DESCR("single-precision floating point number, 4-byte storage");
 #define FLOAT4OID 700
-DATA(insert OID = 701 (  float8    PGUID  8  24 f b t \054 0   0 float8in float8out float8in float8out d p _null_ ));
+DATA(insert OID = 701 (  float8    PGUID  8  24 f b t \054 0   0 float8in float8out float8in float8out d p f -1 0 0 _null_ _null_ ));
 DESCR("double-precision floating point number, 8-byte storage");
 #define FLOAT8OID 701
-DATA(insert OID = 702 (  abstime   PGUID  4  20 t b t \054 0   0 nabstimein nabstimeout nabstimein nabstimeout i p _null_ ));
+DATA(insert OID = 702 (  abstime   PGUID  4  20 t b t \054 0   0 nabstimein nabstimeout nabstimein nabstimeout i p f -1 0 0 _null_ _null_ ));
 DESCR("absolute, limited-range date and time (Unix system time)");
 #define ABSTIMEOID		702
-DATA(insert OID = 703 (  reltime   PGUID  4  20 t b t \054 0   0 reltimein reltimeout reltimein reltimeout i p _null_ ));
+DATA(insert OID = 703 (  reltime   PGUID  4  20 t b t \054 0   0 reltimein reltimeout reltimein reltimeout i p f -1 0 0 _null_ _null_ ));
 DESCR("relative, limited-range time interval (Unix delta time)");
 #define RELTIMEOID		703
-DATA(insert OID = 704 (  tinterval PGUID 12  47 f b t \054 0   0 tintervalin tintervalout tintervalin tintervalout i p _null_ ));
+DATA(insert OID = 704 (  tinterval PGUID 12  47 f b t \054 0   0 tintervalin tintervalout tintervalin tintervalout i p f -1 0 0 _null_ _null_ ));
 DESCR("(abstime,abstime), time interval");
 #define TINTERVALOID	704
-DATA(insert OID = 705 (  unknown   PGUID -1  -1 f b t \054 0   0 textin textout textin textout i p _null_ ));
+DATA(insert OID = 705 (  unknown   PGUID -1  -1 f b t \054 0   0 textin textout textin textout i p f -1 0 0 _null_ _null_ ));
 DESCR("");
 #define UNKNOWNOID		705
 
-DATA(insert OID = 718 (  circle    PGUID  24 47 f b t \054 0	0 circle_in circle_out circle_in circle_out d p _null_ ));
+DATA(insert OID = 718 (  circle    PGUID  24 47 f b t \054 0	0 circle_in circle_out circle_in circle_out d p f -1 0 0 _null_ _null_ ));
 DESCR("geometric circle '(center,radius)'");
 #define CIRCLEOID		718
-DATA(insert OID = 719 (  _circle   PGUID  -1 -1 f b t \054 0  718 array_in array_out array_in array_out d x _null_ ));
-DATA(insert OID = 790 (  money	   PGUID   4 24 f b t \054 0	0 cash_in cash_out cash_in cash_out i p _null_ ));
+DATA(insert OID = 719 (  _circle   PGUID  -1 -1 f b t \054 0  718 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 790 (  money	   PGUID   4 24 f b t \054 0	0 cash_in cash_out cash_in cash_out i p f -1 0 0 _null_ _null_ ));
 DESCR("$d,ddd.cc, money");
 #define CASHOID 790
-DATA(insert OID = 791 (  _money    PGUID  -1 -1 f b t \054 0  790 array_in array_out array_in array_out i x _null_ ));
+DATA(insert OID = 791 (  _money    PGUID  -1 -1 f b t \054 0  790 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
 
 /* OIDS 800 - 899 */
-DATA(insert OID = 829 ( macaddr    PGUID  6 -1 f b t \054 0 0 macaddr_in macaddr_out macaddr_in macaddr_out i p _null_ ));
+DATA(insert OID = 829 ( macaddr    PGUID  6 -1 f b t \054 0 0 macaddr_in macaddr_out macaddr_in macaddr_out i p f -1 0 0 _null_ _null_ ));
 DESCR("XX:XX:XX:XX:XX:XX, MAC address");
 #define MACADDROID 829
-DATA(insert OID = 869 ( inet	   PGUID  -1 -1 f b t \054 0 0 inet_in inet_out inet_in inet_out i p _null_ ));
+DATA(insert OID = 869 ( inet	   PGUID  -1 -1 f b t \054 0 0 inet_in inet_out inet_in inet_out i p f -1 0 0 _null_ _null_ ));
 DESCR("IP address/netmask, host address, netmask optional");
 #define INETOID 869
-DATA(insert OID = 650 ( cidr	   PGUID  -1 -1 f b t \054 0 0 cidr_in cidr_out cidr_in cidr_out i p _null_ ));
+DATA(insert OID = 650 ( cidr	   PGUID  -1 -1 f b t \054 0 0 cidr_in cidr_out cidr_in cidr_out i p f -1 0 0 _null_ _null_ ));
 DESCR("network IP address/netmask, network address");
 #define CIDROID 650
 
 /* OIDS 900 - 999 */
 
 /* OIDS 1000 - 1099 */
-DATA(insert OID = 1000 (  _bool		 PGUID -1  -1 f b t \054 0	16 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1001 (  _bytea	 PGUID -1  -1 f b t \054 0	17 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1002 (  _char		 PGUID -1  -1 f b t \054 0	18 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1003 (  _name		 PGUID -1  -1 f b t \054 0	19 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1005 (  _int2		 PGUID -1  -1 f b t \054 0	21 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1006 (  _int2vector PGUID -1 -1 f b t \054 0	22 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1007 (  _int4		 PGUID -1  -1 f b t \054 0	23 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1008 (  _regproc	 PGUID -1  -1 f b t \054 0	24 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1009 (  _text		 PGUID -1  -1 f b t \054 0	25 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1028 (  _oid		 PGUID -1  -1 f b t \054 0	26 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1010 (  _tid		 PGUID -1  -1 f b t \054 0	27 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1011 (  _xid		 PGUID -1  -1 f b t \054 0	28 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1012 (  _cid		 PGUID -1  -1 f b t \054 0	29 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1013 (  _oidvector PGUID -1  -1 f b t \054 0	30 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1014 (  _bpchar	 PGUID -1  -1 f b t \054 0 1042 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1015 (  _varchar	 PGUID -1  -1 f b t \054 0 1043 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1016 (  _int8		 PGUID -1  -1 f b t \054 0	20 array_in array_out array_in array_out d x _null_ ));
-DATA(insert OID = 1017 (  _point	 PGUID -1  -1 f b t \054 0 600 array_in array_out array_in array_out d x _null_ ));
-DATA(insert OID = 1018 (  _lseg		 PGUID -1  -1 f b t \054 0 601 array_in array_out array_in array_out d x _null_ ));
-DATA(insert OID = 1019 (  _path		 PGUID -1  -1 f b t \054 0 602 array_in array_out array_in array_out d x _null_ ));
-DATA(insert OID = 1020 (  _box		 PGUID -1  -1 f b t \073 0 603 array_in array_out array_in array_out d x _null_ ));
-DATA(insert OID = 1021 (  _float4	 PGUID -1  -1 f b t \054 0 700 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1022 (  _float8	 PGUID -1  -1 f b t \054 0 701 array_in array_out array_in array_out d x _null_ ));
-DATA(insert OID = 1023 (  _abstime	 PGUID -1  -1 f b t \054 0 702 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1024 (  _reltime	 PGUID -1  -1 f b t \054 0 703 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1025 (  _tinterval PGUID -1  -1 f b t \054 0 704 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1027 (  _polygon	 PGUID -1  -1 f b t \054 0 604 array_in array_out array_in array_out d x _null_ ));
+DATA(insert OID = 1000 (  _bool		 PGUID -1  -1 f b t \054 0	16 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1001 (  _bytea	 PGUID -1  -1 f b t \054 0	17 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1002 (  _char		 PGUID -1  -1 f b t \054 0	18 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1003 (  _name		 PGUID -1  -1 f b t \054 0	19 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1005 (  _int2		 PGUID -1  -1 f b t \054 0	21 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1006 (  _int2vector PGUID -1 -1 f b t \054 0	22 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1007 (  _int4		 PGUID -1  -1 f b t \054 0	23 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1008 (  _regproc	 PGUID -1  -1 f b t \054 0	24 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1009 (  _text		 PGUID -1  -1 f b t \054 0	25 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1028 (  _oid		 PGUID -1  -1 f b t \054 0	26 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1010 (  _tid		 PGUID -1  -1 f b t \054 0	27 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1011 (  _xid		 PGUID -1  -1 f b t \054 0	28 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1012 (  _cid		 PGUID -1  -1 f b t \054 0	29 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1013 (  _oidvector PGUID -1  -1 f b t \054 0	30 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1014 (  _bpchar	 PGUID -1  -1 f b t \054 0 1042 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1015 (  _varchar	 PGUID -1  -1 f b t \054 0 1043 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1016 (  _int8		 PGUID -1  -1 f b t \054 0	20 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1017 (  _point	 PGUID -1  -1 f b t \054 0 600 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1018 (  _lseg		 PGUID -1  -1 f b t \054 0 601 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1019 (  _path		 PGUID -1  -1 f b t \054 0 602 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1020 (  _box		 PGUID -1  -1 f b t \073 0 603 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1021 (  _float4	 PGUID -1  -1 f b t \054 0 700 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1022 (  _float8	 PGUID -1  -1 f b t \054 0 701 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1023 (  _abstime	 PGUID -1  -1 f b t \054 0 702 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1024 (  _reltime	 PGUID -1  -1 f b t \054 0 703 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1025 (  _tinterval PGUID -1  -1 f b t \054 0 704 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1027 (  _polygon	 PGUID -1  -1 f b t \054 0 604 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
 /*
  *	Note: the size of aclitem needs to match sizeof(AclItem) in acl.h.
  *	Thanks to some padding, this will be 8 on all platforms.
  *	We also have an Assert to make sure.
  */
 #define ACLITEMSIZE 8
-DATA(insert OID = 1033 (  aclitem	 PGUID 8   -1 f b t \054 0 0 aclitemin aclitemout aclitemin aclitemout i p _null_ ));
+DATA(insert OID = 1033 (  aclitem	 PGUID 8   -1 f b t \054 0 0 aclitemin aclitemout aclitemin aclitemout i p f -1 0 0 _null_ _null_ ));
 DESCR("access control list");
-DATA(insert OID = 1034 (  _aclitem	 PGUID -1 -1 f b t \054 0 1033 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1040 (  _macaddr	 PGUID -1 -1 f b t \054 0  829 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1041 (  _inet    PGUID -1 -1 f b t \054 0  869 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 651  (  _cidr    PGUID -1 -1 f b t \054 0  650 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1042 ( bpchar		 PGUID -1  -1 f b t \054 0	0 bpcharin bpcharout bpcharin bpcharout i x _null_ ));
+DATA(insert OID = 1034 (  _aclitem	 PGUID -1 -1 f b t \054 0 1033 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1040 (  _macaddr	 PGUID -1 -1 f b t \054 0  829 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1041 (  _inet    PGUID -1 -1 f b t \054 0  869 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 651  (  _cidr    PGUID -1 -1 f b t \054 0  650 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1042 ( bpchar		 PGUID -1  -1 f b t \054 0	0 bpcharin bpcharout bpcharin bpcharout i x f -1 0 0 _null_ _null_ ));
 DESCR("char(length), blank-padded string, fixed storage length");
 #define BPCHAROID		1042
-DATA(insert OID = 1043 ( varchar	 PGUID -1  -1 f b t \054 0	0 varcharin varcharout varcharin varcharout i x _null_ ));
+DATA(insert OID = 1043 ( varchar	 PGUID -1  -1 f b t \054 0	0 varcharin varcharout varcharin varcharout i x f -1 0 0 _null_ _null_ ));
 DESCR("varchar(length), non-blank-padded string, variable storage length");
 #define VARCHAROID		1043
 
-DATA(insert OID = 1082 ( date		 PGUID	4  10 t b t \054 0	0 date_in date_out date_in date_out i p _null_ ));
+DATA(insert OID = 1082 ( date		 PGUID	4  10 t b t \054 0	0 date_in date_out date_in date_out i p f -1 0 0 _null_ _null_ ));
 DESCR("ANSI SQL date");
 #define DATEOID			1082
-DATA(insert OID = 1083 ( time		 PGUID	8  16 f b t \054 0	0 time_in time_out time_in time_out d p _null_ ));
+DATA(insert OID = 1083 ( time		 PGUID	8  16 f b t \054 0	0 time_in time_out time_in time_out d p f -1 0 0 _null_ _null_ ));
 DESCR("hh:mm:ss, ANSI SQL time");
 #define TIMEOID			1083
 
 /* OIDS 1100 - 1199 */
-DATA(insert OID = 1114 ( timestamp	 PGUID	8  47 f b t \054 0	0 timestamp_in timestamp_out timestamp_in timestamp_out d p _null_ ));
+DATA(insert OID = 1114 ( timestamp	 PGUID	8  47 f b t \054 0	0 timestamp_in timestamp_out timestamp_in timestamp_out d p f -1 0 0 _null_ _null_ ));
 DESCR("date and time");
 #define TIMESTAMPOID	1114
-DATA(insert OID = 1115 ( _timestamp  PGUID	-1 -1 f b t \054 0	1184 array_in array_out array_in array_out d x _null_ ));
-DATA(insert OID = 1182 ( _date		 PGUID	-1 -1 f b t \054 0	1082 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1183 ( _time		 PGUID	-1 -1 f b t \054 0	1083 array_in array_out array_in array_out d x _null_ ));
-DATA(insert OID = 1184 ( timestamptz PGUID	8  47 f b t \054 0	0 timestamptz_in timestamptz_out timestamptz_in timestamptz_out d p _null_ ));
+DATA(insert OID = 1115 ( _timestamp  PGUID	-1 -1 f b t \054 0	1184 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1182 ( _date		 PGUID	-1 -1 f b t \054 0	1082 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1183 ( _time		 PGUID	-1 -1 f b t \054 0	1083 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1184 ( timestamptz PGUID	8  47 f b t \054 0	0 timestamptz_in timestamptz_out timestamptz_in timestamptz_out d p f -1 0 0 _null_ _null_ ));
 DESCR("date and time with time zone");
 #define TIMESTAMPTZOID	1184
-DATA(insert OID = 1185 ( _timestamptz PGUID -1 -1 f b t \054 0	1184 array_in array_out array_in array_out d x _null_ ));
-DATA(insert OID = 1186 ( interval	 PGUID 12  47 f b t \054 0	0 interval_in interval_out interval_in interval_out d p _null_ ));
+DATA(insert OID = 1185 ( _timestamptz PGUID -1 -1 f b t \054 0	1184 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1186 ( interval	 PGUID 12  47 f b t \054 0	0 interval_in interval_out interval_in interval_out d p f -1 0 0 _null_ _null_ ));
 DESCR("@ <number> <units>, time interval");
 #define INTERVALOID		1186
-DATA(insert OID = 1187 ( _interval	 PGUID	-1 -1 f b t \054 0	1186 array_in array_out array_in array_out d x _null_ ));
+DATA(insert OID = 1187 ( _interval	 PGUID	-1 -1 f b t \054 0	1186 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
 
 /* OIDS 1200 - 1299 */
-DATA(insert OID = 1231 (  _numeric	 PGUID -1  -1 f b t \054 0	1700 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1266 ( timetz		 PGUID 12  22 f b t \054 0	0 timetz_in timetz_out timetz_in timetz_out d p _null_ ));
+DATA(insert OID = 1231 (  _numeric	 PGUID -1  -1 f b t \054 0	1700 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1266 ( timetz		 PGUID 12  22 f b t \054 0	0 timetz_in timetz_out timetz_in timetz_out d p f -1 0 0 _null_ _null_ ));
 DESCR("hh:mm:ss, ANSI SQL time");
 #define TIMETZOID		1266
-DATA(insert OID = 1270 ( _timetz	 PGUID	-1 -1 f b t \054 0	1266 array_in array_out array_in array_out d x _null_ ));
+DATA(insert OID = 1270 ( _timetz	 PGUID	-1 -1 f b t \054 0	1266 array_in array_out array_in array_out d x f -1 0 0 _null_ _null_ ));
 
 /* OIDS 1500 - 1599 */
-DATA(insert OID = 1560 ( bit		 PGUID -1  -1 f b t \054 0	0 bit_in bit_out bit_in bit_out i x _null_ ));
+DATA(insert OID = 1560 ( bit		 PGUID -1  -1 f b t \054 0	0 bit_in bit_out bit_in bit_out i x f -1 0 0 _null_ _null_ ));
 DESCR("fixed-length bit string");
 #define BITOID	 1560
-DATA(insert OID = 1561 ( _bit		 PGUID	-1 -1 f b t \054 0	1560 array_in array_out array_in array_out i x _null_ ));
-DATA(insert OID = 1562 ( varbit		 PGUID -1  -1 f b t \054 0	0 varbit_in varbit_out varbit_in varbit_out i x _null_ ));
+DATA(insert OID = 1561 ( _bit		 PGUID	-1 -1 f b t \054 0	1560 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
+DATA(insert OID = 1562 ( varbit		 PGUID -1  -1 f b t \054 0	0 varbit_in varbit_out varbit_in varbit_out i x f -1 0 0 _null_ _null_ ));
 DESCR("variable-length bit string");
 #define VARBITOID	  1562
-DATA(insert OID = 1563 ( _varbit	 PGUID	-1 -1 f b t \054 0	1562 array_in array_out array_in array_out i x _null_ ));
+DATA(insert OID = 1563 ( _varbit	 PGUID	-1 -1 f b t \054 0	1562 array_in array_out array_in array_out i x f -1 0 0 _null_ _null_ ));
 
 /* OIDS 1600 - 1699 */
 
 /* OIDS 1700 - 1799 */
-DATA(insert OID = 1700 ( numeric	   PGUID -1  -1 f b t \054 0  0 numeric_in numeric_out numeric_in numeric_out i m _null_ ));
+DATA(insert OID = 1700 ( numeric	   PGUID -1  -1 f b t \054 0  0 numeric_in numeric_out numeric_in numeric_out i m f -1 0 0 _null_ _null_ ));
 DESCR("numeric(precision, decimal), arbitrary precision number");
 #define NUMERICOID		1700
 
 /* OID 1790 */
-DATA(insert OID = 1790 ( refcursor	   PGUID -1  -1 f b t \054 0  0 textin textout textin textout i x _null_ ));
+DATA(insert OID = 1790 ( refcursor	   PGUID -1  -1 f b t \054 0  0 textin textout textin textout i x f -1 0 0 _null_ _null_ ));
 DESCR("reference cursor (portal name)");
 #define REFCURSOROID	1790
 
@@ -447,6 +490,7 @@ DESCR("reference cursor (portal name)");
  */
 extern Oid	TypeGet(char *typeName, bool *defined);
 extern Oid	TypeShellMake(char *typeName);
+
 extern Oid TypeCreate(char *typeName,
 		   Oid assignedTypeOid,
 		   Oid relationOid,
@@ -459,10 +503,17 @@ extern Oid TypeCreate(char *typeName,
 		   char *receiveProcedure,
 		   char *sendProcedure,
 		   char *elementTypeName,
+		   char *baseTypeName,
 		   char *defaultTypeValue,
+		   char *defaultTypeBin,
 		   bool passedByValue,
 		   char alignment,
-		   char storage);
+		   char storage,
+		   int32 typeMod,
+		   int32 typNDims,
+		   bool typeNotNull);
+
+
 extern void TypeRename(const char *oldTypeName, const char *newTypeName);
 extern char *makeArrayTypeName(char *typeName);
 
diff --git a/src/include/commands/defrem.h b/src/include/commands/defrem.h
index a69da106b4278e4cab210cd287888843769332cd..00ea79a03b81dfae8bcaf56d7ce450cdcc349c13 100644
--- a/src/include/commands/defrem.h
+++ b/src/include/commands/defrem.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: defrem.h,v 1.28 2001/11/05 17:46:33 momjian Exp $
+ * $Id: defrem.h,v 1.29 2002/03/06 20:34:59 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -39,10 +39,12 @@ extern void CreateFunction(ProcedureStmt *stmt);
 extern void DefineOperator(char *name, List *parameters);
 extern void DefineAggregate(char *name, List *parameters);
 extern void DefineType(char *name, List *parameters);
+extern void DefineDomain(CreateDomainStmt *stmt);
 
 /*
  * prototypes in remove.c
  */
+extern void RemoveDomain(char *domainName, int behavior);
 extern void RemoveFunction(char *functionName, List *argTypes);
 extern void RemoveOperator(char *operatorName,
 			   char *typeName1, char *typeName2);
diff --git a/src/include/nodes/nodes.h b/src/include/nodes/nodes.h
index 96a89d9df56662f8999654ef6582154b72bad4b4..7c455a4c65c847b3c36d84ffa38a5ec1a60a64b9 100644
--- a/src/include/nodes/nodes.h
+++ b/src/include/nodes/nodes.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: nodes.h,v 1.98 2002/03/01 22:45:17 petere Exp $
+ * $Id: nodes.h,v 1.99 2002/03/06 20:35:00 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -172,6 +172,7 @@ typedef enum NodeTag
 	T_TransactionStmt,
 	T_ViewStmt,
 	T_LoadStmt,
+	T_CreateDomainStmt,
 	T_CreatedbStmt,
 	T_DropdbStmt,
 	T_VacuumStmt,
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h
index c6b1feb79b95790c1748f2aaaacdca021211c77a..330a3bd35986bd416e3a05b688f334c6dee6f7ba 100644
--- a/src/include/nodes/parsenodes.h
+++ b/src/include/nodes/parsenodes.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: parsenodes.h,v 1.156 2002/03/05 05:33:31 momjian Exp $
+ * $Id: parsenodes.h,v 1.157 2002/03/06 20:35:00 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -468,12 +468,14 @@ typedef struct DefineStmt
 #define DROP_INDEX	  4
 #define DROP_RULE	  5
 #define DROP_TYPE_P   6
+#define DROP_DOMAIN_P 7
 
 typedef struct DropStmt
 {
 	NodeTag		type;
 	List	   *names;
 	int			removeType;
+	int	   		behavior;		/* CASCADE or RESTRICT drop behavior */
 } DropStmt;
 
 /* ----------------------
@@ -682,6 +684,7 @@ typedef struct LoadStmt
 	char	   *filename;		/* file to load */
 } LoadStmt;
 
+
 /* ----------------------
  *		Createdb Statement
  * ----------------------
@@ -1280,6 +1283,22 @@ typedef struct DefElem
 } DefElem;
 
 
+/****************************************************************************
+ *	Nodes for a Domain Creation tree
+ ****************************************************************************/
+/* ----------------------
+ *		CreateDomain Statement
+ * ----------------------
+ * Down here as it required TypeName to be defined first.
+ */
+typedef struct CreateDomainStmt
+{
+	NodeTag		type;
+	char	   *domainname;			/* name of domain to create */
+	TypeName   *typename;			/* the typecast */
+	List	   *constraints;		/* constraints (list of Constraint nodes) */
+} CreateDomainStmt;
+
 /****************************************************************************
  *	Nodes for a Query tree
  ****************************************************************************/
diff --git a/src/include/parser/parse_coerce.h b/src/include/parser/parse_coerce.h
index ce9fb7b558a3e960424dfa151bcdffd7f3f62f5f..c8f1891415b8e56cdd3d78aba847f9518c5fe907 100644
--- a/src/include/parser/parse_coerce.h
+++ b/src/include/parser/parse_coerce.h
@@ -7,7 +7,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: parse_coerce.h,v 1.37 2001/11/05 17:46:34 momjian Exp $
+ * $Id: parse_coerce.h,v 1.38 2002/03/06 20:35:01 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -81,5 +81,6 @@ extern Oid	select_common_type(List *typeids, const char *context);
 extern Node *coerce_to_common_type(ParseState *pstate, Node *node,
 					  Oid targetTypeId,
 					  const char *context);
+extern Oid getBaseType(Oid inType);
 
 #endif   /* PARSE_COERCE_H */
diff --git a/src/include/utils/lsyscache.h b/src/include/utils/lsyscache.h
index c76c8d53d88030dcd2216c73213bb01c3e932a1b..6454a56a9441d307af5b2356687e7b0bf77f9839 100644
--- a/src/include/utils/lsyscache.h
+++ b/src/include/utils/lsyscache.h
@@ -6,7 +6,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: lsyscache.h,v 1.40 2002/03/01 04:09:28 tgl Exp $
+ * $Id: lsyscache.h,v 1.41 2002/03/06 20:35:02 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -44,7 +44,7 @@ extern int16 get_typlen(Oid typid);
 extern bool get_typbyval(Oid typid);
 extern void get_typlenbyval(Oid typid, int16 *typlen, bool *typbyval);
 extern char get_typstorage(Oid typid);
-extern bool get_typdefault(Oid typid, Datum *defaultValue);
+extern Node *get_typdefault(Oid typid, int32 atttypmod);
 extern int32 get_typavgwidth(Oid typid, int32 typmod);
 extern int32 get_attavgwidth(Oid relid, AttrNumber attnum);
 extern bool get_attstatsslot(HeapTuple statstuple,