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overriding current_timestamp

From: Peter Eisentraut <peter_e(at)gmx(dot)net>
To: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: overriding current_timestamp
Date: 2012-02-23 11:08:51
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Lists: pgsql-hackers
For (unit) testing, I have often had the need to override the current
timestamp in the database system.  For example, a column default,
function, or views would make use of the current timestamp in some way,
and to test the behavior, it's sometimes useful to tweak the current

What might be a good way to do that?

Just overwrite xactStartTimestamp?  Is that safe?  If it weren't static,
a user-loaded function could do it.

Overwrite in the test database?

Other ideas?

Some semi-official support for this sort of thing would be good.


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