On 2013-11-19 13:05:01 -0500, Bruce Momjian wrote:
>       SAVEPOINT

>       test=> ROLLBACK TO SAVEPOINT asdf;
>       ERROR:  ROLLBACK TO SAVEPOINT can only be used in transaction blocks
> 
> Notice that they do _not_ check their arguments;  they just throw
> errors.  With this patch they issue warnings and evaluate their
> arguments:

>       test=> ROLLBACK TO SAVEPOINT asdf;
>       WARNING:  ROLLBACK TO SAVEPOINT can only be used in transaction blocks
>       ROLLBACK
>       
> However, SAVEPOINT/ROLLBACK throw weird errors when they are evaluated
> outside a multi-statement transaction, so their arguments are not
> evaluated.  This might be why they were originally marked as errors.

Why change the historical behaviour for savepoints?

Greetings,

Andres Freund

-- 
 Andres Freund                     http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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