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Postgres FD Implementation
Commit 99cc10ac authored by Thomas G. Lockhart's avatar Thomas G. Lockhart
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Add mention of SET CONSTRAINT and CREATE CONSTRAINT TRIGGER.

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doc/src/sgml/ref/allfiles.sgml
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<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/allfiles.sgml,v 1.17 2000/04/08 05:11:03 tgl Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/allfiles.sgml,v 1.18 2000/04/14 15:17:28 thomas Exp $
Postgres documentation
Complete list of usable sgml source files in this directory.
-->
......@@ -50,6 +50,7 @@ Complete list of usable sgml source files in this directory.
<!entity commit system "commit.sgml">
<!entity copyTable system "copy.sgml">
<!entity createAggregate system "create_aggregate.sgml">
<!entity createConstraint system "create_constraint.sgml">
<!entity createDatabase system "create_database.sgml">
<!entity createFunction system "create_function.sgml">
<!entity createGroup system "create_group.sgml">
......
doc/src/sgml/ref/commands.sgml
View file @ 99cc10ac
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/commands.sgml,v 1.24 2000/04/08 05:11:03 tgl Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/Attic/commands.sgml,v 1.25 2000/04/14 15:17:28 thomas Exp $
Postgres documentation
-->
......@@ -24,6 +24,7 @@ Postgres documentation
&commit;
&copyTable;
&createAggregate;
&createConstraint;
&createDatabase;
&createFunction;
&createGroup;
......
doc/src/sgml/ref/create_constraint.sgml 0 → 100644
View file @ 99cc10ac
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_constraint.sgml,v 1.1 2000/04/14 15:17:28 thomas Exp $
Postgres documentation
-->
<refentry id="SQL-CREATECONSTRAINT">
<refmeta>
<refentrytitle id="sql-createconstraint-title">
CREATE CONSTRAINT TRIGGER
</refentrytitle>
<refmiscinfo>SQL - Language Statements</refmiscinfo>
</refmeta>
<refnamediv>
<refname>
CREATE CONSTRAINT TRIGGER
</refname>
<refpurpose>
Create a trigger to support a constraint
</refpurpose>
</refnamediv>
<refsynopsisdiv>
<refsynopsisdivinfo>
<date>2000-04-13</date>
</refsynopsisdivinfo>
<synopsis>
CREATE CONSTRAINT TRIGGER <replaceable class="parameter">name</replaceable>
AFTER <replaceable class="parameter">events</replaceable> ON
<replaceable class="parameter">relation</replaceable> <replaceable class="parameter">constraint</replaceable> <replaceable class="parameter">attributes</replaceable>
FOR EACH ROW EXECUTE PROCEDURE <replaceable class="parameter">func</replaceable> '(' <replaceable class="parameter">args</replaceable> ')'
</synopsis>
<refsect2 id="R2-SQL-CREATECONSTRAINT-1">
<title>
Inputs
</title>
<para>
<variablelist>
<varlistentry>
<term><replaceable class="PARAMETER">name</replaceable></term>
<listitem>
<para>
The name of the constraint trigger.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">events</replaceable></term>
<listitem>
<para>
The event categories for which this trigger should be fired.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">relation</replaceable></term>
<listitem>
<para>
Table name of the triggering relation.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">constraint</replaceable></term>
<listitem>
<para>
Actual onstraint specification.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">attributes</replaceable></term>
<listitem>
<para>
Contraint attributes.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="PARAMETER">func</replaceable>(<replaceable class="PARAMETER">args</replaceable>)</term>
<listitem>
<para>
Function to call as part of the trigger processing.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect2>
<refsect2 id="R2-SQL-CREATECONSTRAINT-2">
<title>
Outputs
</title>
<para>
<variablelist>
<varlistentry>
<term><computeroutput>
CREATE CONSTRAINT
</computeroutput></term>
<listitem>
<para>
Message returned if successful.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
</refsect2>
</refsynopsisdiv>
<refsect1 id="R1-SQL-CREATECONSTRAINT-1">
<title>
Description
</title>
<para>
<command>CREATE CONSTRAINT TRIGGER</command> is used from inside of
<command>CREATE/ALTER TABLE</command> and by
<application>pg_dump</application> to create the special triggers for
referential integrity.
</para>
<para>
It is not intended for general use.
</para>
</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:
-->
doc/src/sgml/ref/set.sgml
View file @ 99cc10ac
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/set.sgml,v 1.39 2000/04/11 17:23:35 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/set.sgml,v 1.40 2000/04/14 15:17:28 thomas Exp $
Postgres documentation
-->
......@@ -24,6 +24,7 @@ Postgres documentation
</refsynopsisdivinfo>
<synopsis>
SET <replaceable class="PARAMETER">variable</replaceable> { TO | = } { <replaceable class="PARAMETER">value</replaceable> | '<replaceable class="PARAMETER">value</replaceable>' | DEFAULT }
SET CONSTRAINTS {ALL | <replaceable class="parameter">constraintlist</replaceable>} <replaceable>mode</replaceable>
SET TIME ZONE { '<replaceable class="PARAMETER">timezone</replaceable>' | LOCAL | DEFAULT }
SET TRANSACTION ISOLATION LEVEL { READ COMMITTED | SERIALIZABLE }
</synopsis>
......@@ -92,7 +93,7 @@ SET TRANSACTION ISOLATION LEVEL { READ COMMITTED | SERIALIZABLE }
</varlistentry>
<varlistentry>
<term>DateStyle</term>
<term>DATESTYLE</term>
<listitem>
<para>
Set the date/time representation style. Affects the output format,
......@@ -202,7 +203,7 @@ SET TRANSACTION ISOLATION LEVEL { READ COMMITTED | SERIALIZABLE }
</varlistentry>
<varlistentry>
<term>Seed</term>
<term>SEED</term>
<listitem>
<para>
Sets the internal seed for the random number generator.
......@@ -243,14 +244,14 @@ SELECT setseed(<replaceable>value</replaceable>);
<term>SERVER_ENCODING</term>
<listitem>
<para>
Sets the multi-byte server encoding
Sets the multi-byte server encoding to:
<variablelist>
<varlistentry>
<term><replaceable class="parameter">value</replaceable></term>
<listitem>
<para>
Sets the multi-byte server encoding.
The identifying value for the server encoding.
</para>
</listitem>
</varlistentry>
......@@ -265,6 +266,47 @@ SELECT setseed(<replaceable>value</replaceable>);
</varlistentry>
<varlistentry>
<term>CONSTRAINT</term>
<listitem>
<para>
SET CONSTRAINTS is the SQL3 specified command to change the
default behaviour of constraints with respect to deferring in the current
transaction. Allowed parameters are:
<variablelist>
<varlistentry>
<term><replaceable class="parameter">constraintlist</replaceable></term>
<listitem>
<para>
Comma separated list of deferrable constraint names.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">mode</replaceable></term>
<listitem>
<para>
The constraint mode. Allowed values are
<option>DEFERRED</option> and <option>IMMEDIATE</option>.
</para>
</listitem>
</varlistentry>
</variablelist>
</para>
<para>
In deferred mode, the actual check of the constraint is held
back until either its mode is explicitly set to <option>IMMEDIATE</option>,
or until COMMIT. This is actually only done for foreign key
constraints, so it does not apply to UNIQUE or other
constraints.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>TIME ZONE</term>
<term>TIMEZONE</term>
<listitem>
<para>
......@@ -862,7 +904,7 @@ SET VARIABLE
</computeroutput></term>
<listitem>
<para>
Message returned if successfully.
Message returned if successful.
</para>
</listitem>
</varlistentry>
......
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