Re: [GENERAL] Copy rows, remember old and new pkey

2012-11-26 Thread Vlad K.
On 11/26/2012 07:15 PM, Merlin Moncure wrote: I don't think you need a CTE or a loop unless you want to delete the old rows. Why not (hard to say exactly how it will work): INSERT INTO a(old_id, new_id, ...) SELECT id, new_id(), ... from a; ? Well, the table A, in which I'm copying rows, does

[GENERAL] Copy rows, remember old and new pkey

2012-11-26 Thread Vlad K.
Hello list, I need to make a copy of certain rows in table A and remember the original pkey and new pkey in some temporary table B. Basically the copy statement isINSERT INTO a SELECT * FROM a where a.x=y; I guess I can do it with a plpgsql function and a FOR loop statement, because I n

Re: [GENERAL] sefety of passwords for web-service applications

2012-11-24 Thread Vlad K.
On 11/24/2012 10:15 AM, Rafal Pietrak wrote: Some improvement in passwords safety could be gained, if the database table access methods (e.g. SELECT...) provided means to limit that access to just one entry at a time, and return results only when (password) column hash was equal for a single ent