[rt-devel] extremely slow query in rt 3.0.10 due to ILIKE instead of =

Palle Girgensohn girgen at pingpong.net
Thu May 13 21:07:24 EDT 2004


Hi,

I despererately need this fixed, or I will be forced to throw away rt, 
something I really don't want to. Any ideas where in the code I can find 
the joins of IDs using LIKE?

Thanks,
Palle

--On tisdag, mars 30, 2004 23.33.58 +0200 Palle Girgensohn 
<girgen at pingpong.net> wrote:

> --On tisdag, mars 30, 2004 15.47.56 -0500 Jesse Vincent
> <jesse at bestpractical.com> wrote:
>
>>> I'll ask the postgresql developers about this. We'll see what they
>>> say. I also found the lines in SearchBuilder that handle this. Changed
>>> between 0.98_1 and 0.99... So, I can downgrade for now, I guess...
>>> Still, do you really need to match ID:s case-insensitive?
>>
>> It's how searchbuilder-based apps work on every other database platform.
>> Changing that behavior or making it db-specific worries me, especially
>> since a lot of the data is stuff that humans search on.
>
> hmm, ok, but these are not search criterias, they are join conditions.
> They are ID:s, internal integers that are not shown to anyone or used in
> the GUI, right? Integers should not need to be case-insensitive? And they
> compare two db fields, not field with value.
>
> These are the fields that are ILIKEd in this query. They're all integers:
>
> Users.id
> CachedGroupMembers.MemberId
> CachedGroupMembers.GroupId
> Tickets.id
> Groups.Instance
>
> SearchBuilder seem to separate join conditions from search restrictions.
> I tried returning "lower($field)" , ... , "lower($value)" in
> Handle/Pg.pm:_MakeClauseCaseInsensitive(), but the single quotes are
> added later down the code, so it became 'lower(value)' instead of
> lower('value'). Where are the single quotes added to the query string?
>
> /Palle
>
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