Re: like/ilike improvements

On 9/20/07, Andrew Dunstan <andrew@dunslane.net> wrote:
> Can you retry both sets of tests but this time in C locale? The lower()
> code works differently in C locale, and it might be that we need to look
> at tweaking just one case.

Here we go with SQL_ASCII:

** 8.1 **

cityvox_c=# SELECT e.numeve FROM evenement e WHERE e.libgeseve LIKE
'%hocus pocus%';numeve
--------
(0 rows)

Time: 117.485 ms

cityvox_c=# SELECT e.numeve FROM evenement e WHERE e.libgeseve ILIKE
'%hocus pocus%'; numeve
-----------900024298    87578
(2 rows)

Time: 132.823 ms

** 8.2 **

cityvox_c=# SELECT e.numeve FROM evenement e WHERE e.libgeseve LIKE
'%hocus pocus%';numeve
--------
(0 rows)

Time: 100.008 ms
cityvox_c=# SELECT e.numeve FROM evenement e WHERE e.libgeseve ILIKE
'%hocus pocus%'; numeve
-----------900024298    87578
(2 rows)

Time: 113.579 ms

** 8.3 **

cityvox_c=# SELECT e.numeve FROM evenement e WHERE e.libgeseve LIKE
'%hocus pocus%';numeve
--------
(0 rows)

Time: 112.462 ms
cityvox_c=# SELECT e.numeve FROM evenement e WHERE e.libgeseve ILIKE
'%hocus pocus%'; numeve
-----------900024298    87578
(2 rows)

Time: 160.961 ms

--
Guillaume