[dev] Horde_Rdo_Query with wildcard characters

[Jan Schneider]

Please don't top-post and please respond to the list.

Zitat von Sebastian Birnbach <birnbacs at gmail.com>:

>>
>> Zitat von Sebastian Birnbach <birnbacs at gmail.com>:
>>
>>
>> All,
>>>
>>> I am working on an Rdo_Query that depends on data a user submits in a
>>> form.
>>> Everything works well except that SQL wildcard characters like '%' and '_'
>>> do not work.
>>>
>>> A query, for example, for "1234" returns one object. A query for "123%",
>>> however, does not.
>>>
>>> In the latter case the query according to getQuery() is:
>>> array(2) {
>>>   [0]=>
>>>   string(142) "SELECT customer, ourref FROM mytable WHERE mytable.`ourref`
>>> = ? OR mytable.`yourref` = ? ORDER BY ourref DESC LIMIT 20"
>>>   [1]=>
>>>   array(2) {
>>>     [0]=>
>>>     string(4) "123%"
>>>     [1]=>
>>>     string(4) "123%"
>>>   }
>>> }
>>>
>>> This looks good to me, the query is well formatted, the bind parameters
>>> are
>>> correct, everything is right in place. I tried adding single ticks around
>>> the search string and escaping the wildcard with an exclamation mark, but
>>> to no avail.
>>>
>>> Thanks for your help
>>>
>>>   Sebastian
>>>
>>
>> How do you expect it to work? Should the wildcard characters be used as
>> such in the actual query, or are you trying to search that string
>> literally. Only the latter is supported and makes sense at this abstraction
>> level.
>>
> Jan,
>
> I was hoping that since the SQL query is already ready to fire it would
> simply get output to the database, not changing possible wildcards.
>
> Although I cannot see why it would not make sense to support wildcards on
> this abstraction level there is probably a wise decision behind this. Will
> it make sense to use a Horde_Db_Adapter_Mysql for my purposes? Or is
> processing of wildcards also unsupported on lower level?

Scratch everything I said, the wildcards are not escaped, but used  
as-is. You didn't use them correctly though. Wildcards are used in  
LIKE queries only.

-- 
Jan Schneider
The Horde Project
http://www.horde.org/