From: | Luca Santaniello <luca(dot)santaniello(dot)81(at)gmail(dot)com> |
---|---|
To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: cursor with dinamic string |
Date: | 2011-03-25 13:18:43 |
Message-ID: | 4D8C9633.4050807@gmail.com |
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Thread: | |
Lists: | pgsql-general |
Thank you very much
> Hello
>
> 2011/3/25 Luca Santaniello<luca(dot)santaniello(dot)81(at)gmail(dot)com>:
>> Hi all,
>>
>> I need use dinamic string for my cursor... My code is:
>>
>> query varchar := 'field1, field2 from ''' || tableName ||''' ........; //has
>> dinamic params
>>
> use a FOR EXECUTE statement
>
> FOR r IN EXECUTE 'SELECT .. FROM ' || quote_ident(tableName) || ' ....'
> LOOP
> ...
>
> you can use OPEN FOR EXECUTE too, but FOR statement is preferable
>
> Regards
>
> Pavel Stehule
>
> http://www.postgresql.org/docs/9.0/interactive/plpgsql-cursors.html#PLPGSQL-CURSOR-OPENING
>
>> then I create cursor...
>>
>> myCursor CURSOR FOR SELECT query;
>>
>> I compile my function but when i run it I obtain error...
>>
>> ERROR: invalid input syntax for integer: ......
>> CONTEXT: PL/pgSQL function "my_function" line 72 at FETCH
>>
>> If I use static string, I don't have problems!!!
>>
>> Can I solve it?
>>
>> Thanks in advance
>>
>> --
>> Luca Santaniello
>> email: luca(dot)santaniello(dot)81(at)gmail(dot)com
>> skype: luca.santaniello
>> msn: luketto81(at)hotmail(dot)com
>>
>>
>> --
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>>
--
Luca Santaniello
email: luca(dot)santaniello(dot)81(at)gmail(dot)com | luca(dot)santaniello(at)email(dot)it
phone: +39 3470373994
skype: luca.santaniello
msn: luketto81(at)hotmail(dot)com
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