On 10/13/2011 16:20, Ivan Voras wrote:
> Hello,
>
> I have a table with a large number of records (millions), on which the
> following should be performed:
>
> 1. Retrieve a set of records by a SELECT query with a WHERE condition
> 2. Process these in the application
> 3. Delete them from the table
>
Hello.
Maybe you can just do begin; delete from ..... WHERE ... RETURNING *;,
process records and issue COMMIT after processing?
--
Best regards,
Alexander Pyhalov,
system administrator of Computer Center of Southern Federal University
