generating UPDATE SET ... WHERE PK = ...

Hi,

I would like to generate with a request a SQL order like
UPDATE tab1
SET col_a = ?, col_b = ? ...
WHERE pk = ?

for each table of a given schema (in fact what I want is slightly more complicated but if I can write the above, I will be able to get the rest).

Will anyone be kind enough to share a piece of code doing this (from pgAdmin may be) ?

Cheers,
L@u
The Computing Froggy

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