How to manipulate field in New record - Mailing list pgsql-general

From Lorusso Domenico
Subject How to manipulate field in New record
Date
Msg-id CAJMpnG4biUFYcWW-RGLp+CuSoJ2_o9U+CXvdp9GzOZfNbiF9+g@mail.gmail.com
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Responses Re: How to manipulate field in New record  (hubert depesz lubaczewski <depesz@depesz.com>)
Re: How to manipulate field in New record  (Adrian Klaver <adrian.klaver@aklaver.com>)
List pgsql-general
Hello,
Looking for a global solution I've write e trigger function that as optional parameter (argv[0]) receive the name of a specific parameter.

My need is to get the filed from NEW and OLD record manipulate and set back the field with new value.

Problem 1: how to get and set this field
Problem 2: the field has Composit type

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