Re: MATCHES problem
Posted in 1997
Ian Goddard — — source: Informix-list mailing list archive (1991-1998)
ACE wrote:
>
> I've encountered a serious error of INFORMIX-ONLINE v. 7.1x, 7.2x
> on following platforms:
> DYNIX/ptx, SCO UNIX, AIX, DEC OSF UNIX, IRIX, Solaris and HP/UX.
> Construction:
> select tabid from systables where tabname matches 'sys*'
> shows with EXPLAIN ON: SEQUENTIAL SCAN>
> select tabid from systables where tabname[1,3]='sys'
> shows INDEX SCAN
> (Indexes are not used even one use simple 'matches' phrase).> This error doesn't occur in versions 5.x of ONLINE.
> Think about table with over 2,000,000 records.
I thought about it. This would mean you have 2,000,000 tables in your
database. Wow!
Ian