mirror/postgresql
2
0
Fork 0
mirror of https://git.postgresql.org/git/postgresql.git synced 2025-02-23 19:39:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

doc: Change recommendation to put NOTIFY into a rule

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
doc/src/sgml/ref/notify.sgml
View File

@ -68,7 +68,7 @@ NOTIFY <replaceable class="PARAMETER">channel</replaceable> [ , <replaceable cla
<para> <para>
When <command>NOTIFY</command> is used to signal the occurrence of changes When <command>NOTIFY</command> is used to signal the occurrence of changes
to a particular table, a useful programming technique is to put the 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, In this way, notification happens automatically when the table is changed,
and the application programmer cannot accidentally forget to do it. and the application programmer cannot accidentally forget to do it.
</para> </para>