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Update ALTER TABLE docs to account for exclusion and deferrable uniqueness

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constraints

Dean Rasheed
This commit is contained in:
Alvaro Herrera 2010-06-09 17:48:10 +00:00
parent 09811eff2e
commit a5ec2986b3
1 changed files with 12 additions and 6 deletions
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18
doc/src/sgml/ref/alter_table.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_table.sgml,v 1.113 2010/05/13 18:54:18 tgl Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_table.sgml,v 1.114 2010/06/09 17:48:10 alvherre Exp $
PostgreSQL documentation
-->
@ -250,8 +250,10 @@ ALTER TABLE <replaceable class="PARAMETER">name</replaceable>
status is checked when the event occurs, not when the trigger function
is actually executed. One can disable or enable a single
trigger specified by name, or all triggers on the table, or only
user triggers (this option excludes triggers that are used to implement
foreign key constraints). Disabling or enabling constraint triggers
user triggers (this option excludes internally generated constraint
triggers such as those that are used to implement foreign key
constraints or deferrable uniqueness and exclusion constraints).
Disabling or enabling internally generated constraint triggers
requires superuser privileges; it should be done with caution since
of course the integrity of the constraint cannot be guaranteed if the
triggers are not executed.
@ -585,8 +587,10 @@ ALTER TABLE <replaceable class="PARAMETER">name</replaceable>
<listitem>
<para>
Disable or enable all triggers belonging to the table.
(This requires superuser privilege if any of the triggers are for
foreign key constraints.)
(This requires superuser privilege if any of the triggers are
internally generated constraint triggers such as those that are used
to implement foreign key constraints or deferrable uniqueness and
exclusion constraints.)
</para>
</listitem>
</varlistentry>
@ -596,7 +600,9 @@ ALTER TABLE <replaceable class="PARAMETER">name</replaceable>
<listitem>
<para>
Disable or enable all triggers belonging to the table except for
foreign key constraint triggers.
internally generated constraint triggers such as those that are used
to implement foreign key constraints or deferrable uniqueness and
exclusion constraints.
</para>
</listitem>
</varlistentry>