[CDBI] Re: select lower(thing) from...

Oliver Jeeves oj at defuturo.co.uk
Thu Jan 18 16:36:45 GMT 2007

Edward J. Sabol wrote:
>> I've not seen anything to suggest this can be done in CDBI, but I
>> thought I'd give it a shot anyway.
> Everything that you can do with SQL can be done with CDBI.

Well, yes, but sometimes you have to revert to writing the SQL yourself
to do it, which I don't really count as 'being done with CDBI'.

> You could use set_sql(), but I would probably use add_constructor(), since
> it's a little more succinct. Put the following in your CDBI class for the
> table that you want to do case-insensitive searches:
>   MyCDBIClass->add_constructor(isearch_column => "lower(column) = ?");
> Then, in the code, you do
>   my @results = MyCDBIClass->isearch_column(lc($column_value));
> You can also use Class::DBI::AbstractSearch, like this:
>   my @results = MyCDBIClass->search_where(
>                    column => [ 'lower(column) = ?', lc($column_value) ]
>                 );
> or something like that.
> Hope this helps,
> Ed

That does help, a lot, thanks. I wasn't aware that I'd be able to use an
operator like that in a where clause with AbstractSearch, and that's
probably the method I will use.

Thanks again for the help.


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