Thanks guys.
But first of all I have to do this with pl/pgsql. This is not the matter of
having answer in my db. It is the matter of solving problem with pl/pgsql.
Rémi-C thank you for the link. I already went through it but it just explain
very basic structure. I couldn't find my answers there.
Bobb, I don't have any hk_id in my polygons table. I am going to find it and
sign their h_id in the table.
Do you know how to write this part in pl format? then I think I would
understand how to go through the rest of my code.
Cheers
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