postgres.git / summary / log / commit / refs

commit    864de654c8271ab7f9fb8397fcc665ffed93645c
Author:   Bruce Momjian <bruce@momjian.us>
Date:     Wed Aug 15 03:25:20 2012 +0000

    Add more limited large object trigger example.


doc/src/sgml/lo.sgml | 9 ++------- 1 file changed, 2 insertions(+), 7 deletions(-) diff --git a/doc/src/sgml/lo.sgml b/doc/src/sgml/lo.sgml index 0c11fdc20aa..cd4ed6030b7 100644 --- a/doc/src/sgml/lo.sgml +++ b/doc/src/sgml/lo.sgml @@ -77,13 +77,8 @@ CREATE TRIGGER t_raster BEFORE UPDATE OR DELETE ON image For each column that will contain unique references to large objects, create a <literal>BEFORE UPDATE OR DELETE</> trigger, and give the column name as the sole trigger argument. You can also restrict the trigger - to only execute on updates to the column with: - -<programlisting> -CREATE TRIGGER t_raster BEFORE UPDATE OF raster OR DELETE ON image - FOR EACH ROW EXECUTE PROCEDURE lo_manage(raster); -</programlisting> - + to only execute on updates to the column by using <literal>BEFORE UPDATE + OF</literal> <replaceable class="parameter">column_name</replaceable>. If you need multiple <type>lo</> columns in the same table, create a separate trigger for each one, remembering to give a different name to each trigger on the same table. [parent: 9e84cccff28e]