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Tom Lane wrote:

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> There's no longer a separate call to heap_storage_create in that routine
> --- the right place to make the test is now in the storage_create
> boolean parameter being passed to heap_create.  A simple change, but
> it passeth patch's understanding ...

Thanks.

Attached is a patch against cvs tip as of 8:30 PM PST or so. Turned out
that even after fixing the failed hunks, there was a new spot in
bufmgr.c which needed to be fixed (related to temp relations;
RelationUpdateNumberOfBlocks). But thankfully the regression test code
caught it :-)

Joe Conway
This commit is contained in:
Bruce Momjian
2002-08-15 16:36:08 +00:00
parent 38294db64b
commit b1a5f87209
27 changed files with 434 additions and 58 deletions
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51
doc/src/sgml/ref/create_type.sgml
View File

@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_type.sgml,v 1.30 2002/07/24 19:11:07 petere Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_type.sgml,v 1.31 2002/08/15 16:36:00 momjian Exp $
PostgreSQL documentation
-->
@ -30,6 +30,13 @@ CREATE TYPE <replaceable class="parameter">typename</replaceable> ( INPUT = <rep
[ , ALIGNMENT = <replaceable class="parameter">alignment</replaceable> ]
[ , STORAGE = <replaceable class="parameter">storage</replaceable> ]
)
CREATE TYPE <replaceable class="parameter">typename</replaceable> AS
( <replaceable class="PARAMETER">column_definition_list</replaceable> )
where <replaceable class="PARAMETER">column_definition_list</replaceable> can be:
( <replaceable class="PARAMETER">column_name</replaceable> <replaceable class="PARAMETER">data_type</replaceable> [, ... ] )
</synopsis>
<refsect2 id="R2-SQL-CREATETYPE-1">
@ -138,6 +145,25 @@ CREATE TYPE <replaceable class="parameter">typename</replaceable> ( INPUT = <rep
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">column_name</replaceable></term>
<listitem>
<para>
The name of a column of the composite type.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">data_type</replaceable></term>
<listitem>
<para>
The name of an existing data type.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect2>
@ -191,9 +217,9 @@ CREATE TYPE
</para>
<para>
<command>CREATE TYPE</command> requires the registration of two functions
(using CREATE FUNCTION) before defining the type. The
representation of a new base type is determined by
The first form of <command>CREATE TYPE</command> requires the
registration of two functions (using CREATE FUNCTION) before defining the
type. The representation of a new base type is determined by
<replaceable class="parameter">input_function</replaceable>, which
converts the type's external representation to an internal
representation usable by the
@ -288,6 +314,14 @@ CREATE TYPE
<literal>extended</literal> and <literal>external</literal> items.)
</para>
<para>
The second form of <command>CREATE TYPE</command> requires a column
definition list in the form ( <replaceable class="PARAMETER">column_name</replaceable>
<replaceable class="PARAMETER">data_type</replaceable> [, ... ] ). This
creates a composite type, similar to that of a TABLE or VIEW relation.
A stand-alone composite type is useful as the return type of FUNCTION.
</para>
<refsect2>
<title>Array Types</title>
@ -370,6 +404,15 @@ CREATE TYPE box (INTERNALLENGTH = 16,
CREATE TYPE bigobj (INPUT = lo_filein, OUTPUT = lo_fileout,
INTERNALLENGTH = VARIABLE);
CREATE TABLE big_objs (id int4, obj bigobj);
</programlisting>
</para>
<para>
This example creates a composite type and uses it in
a table function definition:
<programlisting>
CREATE TYPE compfoo AS (f1 int, f2 int);
CREATE FUNCTION getfoo() RETURNS SETOF compfoo AS 'SELECT fooid, foorefid FROM foo' LANGUAGE SQL;
</programlisting>
</para>
</refsect1>