From: | PG Doc comments form <noreply(at)postgresql(dot)org> |
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To: | pgsql-docs(at)lists(dot)postgresql(dot)org |
Cc: | danydb(at)noalyss(dot)eu |
Subject: | SET feature |
Date: | 2022-10-28 10:14:06 |
Message-ID: | 166695204625.630.3067402447013848509@wrigleys.postgresql.org |
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Lists: | pgsql-docs |
The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/15/sql-set.html
Description:
Hi,
I remember in version 9 , to use variable you had to change in the
postgresql.
Today it is easier , just use
SET SESSION myprefix.myvariable = 'whatever'
and all the transactions can use it , it is very useful in some cases, for
example to track the author of a change , you don't need to change all your
java/php/python code , just use a trigger on the table to fill up a column
"change_by"
I've checked the documentation and that feature is not explained at all, not
even in the SET Command.
Hope it helps
Regards,
Sparkx
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