Hi,
I have the following problem.
There is a trigger event on a table T. Table t is linked through n
intermediate tables (mostly n = 0) to a primary master Table M.
What I need to do is find the entry in M which corresponds to the
triggered entry in T.
I think in pseudocode it would be like this:
S = set of foreign keys in my entry in T
while S is not empty
{
get s from S
find referenced table t for s
if t = M then return s as primary key into M
put all foreign keys in t into S
}
My problem is:
How to identify the attributes in a table (in pg_attribute) which are
foreign keys into other tables and how to get the relids of these other
tables?
Thank you very much,
Markus
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