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doc: Change recommendation to put NOTIFY into a rule 

Suggest a statement trigger instead.
This commit is contained in:
Peter Eisentraut 2016-08-03 12:29:15 -04:00
parent c93d8737be
commit 69bdfc4090
1 changed files with 1 additions and 1 deletions
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doc/src/sgml/ref/notify.sgml
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@ -68,7 +68,7 @@ NOTIFY <replaceable class="PARAMETER">channel</replaceable> [ , <replaceable cla
<para>
When <command>NOTIFY</command> is used to signal the occurrence of changes
to a particular table, a useful programming technique is to put the
<command>NOTIFY</command> in a rule that is triggered by table updates.
<command>NOTIFY</command> in a statement trigger that is triggered by table updates.
In this way, notification happens automatically when the table is changed,
and the application programmer cannot accidentally forget to do it.
</para>