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Article View: borland.public.cppbuilder.database.multi-tier
Article #120

Re: Oracle SQL params from IDE

#120
From: Leif Suonvieri
Date: Mon, 06 Mar 2006 19:44
46 lines
2848 bytes
pcerdaz wrote:
> Leif Suonvieri <leif.s@removethis.hem.utfors.se> wrote:
>> pcerdaz wrote:
>>> Hy all, I'm working on a SQL from C++Builder BDS2006 with next
>>> syntax problem: the IDE use ":" before the name of parameter
>>> but Oracle does not accept this character. The Oracle
>>> accept "&" character but IDE don't understand it.
>>> How can I solve this problem?
>>> Thanks in advance.
>> I don't think I understand your problem.
>> The colon in Borland will only be used locally to substitute the named 
>> parameter for its value, before it is sent to Oracle, so Oracle won't 
>> see it at all.
>> /Leif
> 
> Thank you and sorry if I'm wrong, but I supose that my problem
> is the colon v/s "&" in Oracle. When I try to activate the
> following query an exception error is shown: "Operation not
> applicable", but if I change the ":Nombre" parameter by a
> value the query works well.
> 
> SELECT ID, PREFIX, STREET_NAME, SUFIX, CITY, INIIZQ
> FROM VIAL_STGO Vial_stgo
> WHERE   (STREET_NAME LIKE :Nombre)
>    AND  (SUFIX = 'LAS CONDES')
>    AND  (PREFIX = 'CALLE')
> ORDER BY INIIZQ
> 
> Moreover, when I test this query over Oracle it works well
> (but using "&" to declare the parameter).
> 
> Regards,
> PCSdeZ

OK, are you testing the query in runtime or design time?
In both cases you must supply a value for the parameter first,
have you done that?
The SQL syntax "...STREET_NAME LIKE..." implies that the parameter shall 
be of string type, have you specified that?
If the parameter type is unknown and you set the parameter to a numeric 
value, I guess you will end up with an error.

I usually find it easiest to set parameter values in designtime and also 
  execute the query in designtime until it passes without any errors.

Regards, Leif S
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Date: Mon, 06 Mar 2006 20:44:41 +0100
From: Leif Suonvieri <leif.s@removethis.hem.utfors.se>
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