Horton

Re: Call for 7.5 feature completion

Nicholas Walker <nick@walkerdatanet.com>

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From: Nicholas Walker <nick@walkerdatanet.com>
To: Dennis Bjorklund <db@zigo.dhs.org>
Cc: Josh Berkus <josh@agliodbs.com>, pgsql-hackers@postgresql.org, Rod Taylor <pg@rbt.ca>, Alvaro Herrera <alvherre@alvh.no-ip.org>, Bruce Momjian <pgman@candle.pha.pa.us>
Date: 2005-08-26T17:13:21Z
Lists: pgsql-hackers 
Dennis Bjorklund wrote:

>On Thu, 25 Aug 2005, Josh Berkus wrote:
>
>  
>
>>>    SavePoints be able to use within functions.  ( I think this involves
>>>making procedures that execute outside of a transaction)
>>>      
>>>
>>Nope, supported in 8.0 for PL/pgSQL.  Not sure about other languages.
>>    
>>
>
>You can't use savepoints, you can trap errors which is implemented using 
>savepoints. You still might want to write code like this:
>
>BEGIN
>
>....
>
>SAVEPOINT foo;
>
>....
>
>IF SOME_ERROR_CODE = 1234 THEN
>   ROLLBACK TO SAVEPOINT foo;
>END
>
>...
>
>
>You can write code like this if you issue each command from the client, 
>say using libpq, but not in pl/pgsql.
>
>  
>
I agree, and I think savepoints would be much more usefull if you could 
call them from pl/pgsql...