On Dec 27, 2007, at 12:03 PM, Richard Broersma Jr wrote:
--- On Thu, 12/27/07, Erik Jones <[EMAIL PROTECTED]> wrote:
TG_TABLE_NAME will have the name of the table the trigger
was fired on. With that and using EXECUTE for your INSERT
statements, you'll probably be set.
True the table name is the easy part, but how do I determine the
Primary Key components of the table that will also be needed in the
SQL string that will be executed?
That depends on how generalized you want this trigger function to
be. If you have a set number of tables you can branch on the table
name to determine the id column. That's brittle and would require
updating the the function every time you want to use if for a new
table type but if there's a limited number of tables it may work for
you. Another way to go would be to the table name to join across
pg_class, pg_attribute, and pg_constraint. Take a look at the table
layouts for those in the manual and it should be pretty clear how to
do that.
Erik Jones
Software Developer | Emma®
[EMAIL PROTECTED]
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