Re: "stored procedures"

> Robert Haas <robertmhaas@gmail.com> writes:
>> EDB has an implementation of this in Advanced Server.  A stored
>> procedure can issue a COMMIT, which commits the current transaction
>> and begins a new one.  This might or might not be what people are
>> imagining for this feature.  If we end up doing something else, one
>> thing to consider is the impact on third-party tools like PGPOOL,
>> which currently keep track of whether or not a transaction is in
>> progress by snooping on the stream of SQL commands.  If a procedure
>> can be started with no transaction in progress and return with one
>> open, or the other way around, that method will break horribly.
>> That's not necessarily a reason not to do it, but I suspect we would
>> want to add some kind of protocol-level information about the
>> transaction state instead so that such tools could continue to work.
> 
> Huh?  There's been a transaction state indicator in the protocol since
> 7.4 (see ReadyForQuery).  It's not our problem if PGPOOL is still using
> methods that were appropriate ten years ago.

Pgpool has been using the info since 2004 (7.4 was born in 2003).
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
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