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Re: Behaviour of sql language function

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Marcelo Sena" <marceloslacerda(at)gmail(dot)com>, <pgsql-docs(at)postgresql(dot)org>
Subject: Re: Behaviour of sql language function
Date: 2012-04-26 20:53:36
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Lists: pgsql-docs
Marcelo Sena <marceloslacerda(at)gmail(dot)com> wrote:
> So, is it documented somewhere?
| PostgreSQL actually treats every SQL statement as being executed
| within a transaction. If you do not issue a BEGIN command, then
| each individual statement has an implicit BEGIN and (if
| successful) COMMIT wrapped around it.
Combine this with the fact that a function can only run in the
context of a command, like:
    SELECT func_name();
You have your guarantee -- as long as you understand the possible
action of subtransactions (like savepoints).

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