Gábor Lénárt writes:
> On Wed, Feb 14, 2001 at 02:38:11PM +0200, Sinisa Milivojevic wrote:
> > Hi!
> >
> > I have just tested your case on my Linux and it worked just fine.
> >
> > What OS is that and are you using our binaries. If not, please do.
>
> OK, I will (but it takes some time to download).
> Till that I have got a more accurate bug report on this topic.
> I created a test table containing only an 'auto_increment' field named 'id'.
> If I insert values with '0' as id in the insert query, everything works
> fine (incremented values).
> AND NOW THE TRICK:
> I inserted -1 to the table.
> And after THIS, all of my insert queries even with id 0 in the query result
> in -1 !!!!! But this is not the end. If I delete all ids smaller than 1,
> then I try to insert some data with id 0, I've got -1 AGAIN!
>
> So it seems that the table store the last insert id value, and if it's -1,
> it stucks. Older MySQL versions were fine. It's hard because I've got many
> LARGE tables with complex applications that use the technique to have
> auto_increment value, BUT mark some fields with negative numbers as IDs
> for special purposes not listed normally (where id>0).
>
> The really annoying bug, that even after I delete all of my negative id'ed
> records, the next insert will result in -1 too ;-(
>
> So I have to delete all negative ids, dump the table, then recreate and reload
> just for kick last insert id value for a table out from that bad state?
> With my databases it will be very hard work for the hw, not counting other
> problems.
>
> What's your opponion on this?
>
> Thanx a lot.
>
> - Gabor
>
> --
> --[ Gábor Lénárt ]---[ Vivendi Telecom Hungary ]---------[ [EMAIL PROTECTED] ]--
> U have 8 bit comp or chip of them and it's unused or to be sold? Call me!
> -------[ +36 30 2270823 ]------> LGB <-----[ Linux/UNIX/8bit 4ever ]-----
>
Hi!
The above is actually documented behaviour.
Entering negative values and negative values in general, are actually
not suported in auto_increment columns.
Regards,
Sinisa
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