Re: [PATCH] SQL assertions prototype

On 2013-12-18 16:39:58 -0300, Alvaro Herrera wrote:
> Andres Freund wrote:
> > It would only force serialization for transactions that modify tables
> > covered by the assert, that doesn't seem to bad. Anything covered by an
> > assert shoulnd't be modified frequently, otherwise you'll run into major
> > performance problems.
> 
> Well, as presented there is no way (for the system) to tell which tables
> are covered by an assertion, is there?  That's my point.

Well, the patch's syntax seems to only allow to directly specify a SQL
query to check - we could iterate over the querytree to gather all
related tables and reject any function we do not understand.

Greetings,

Andres Freund

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