Re: string = any()

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От Andy Colson
Тема Re: string = any()
Дата
Msg-id 4F0C5694.4030409@squeakycode.net
обсуждение исходный текст
Ответ на Re: string = any()  (Filip Rembiałkowski <plk.zuber@gmail.com>)
Ответы Re: string = any()  (Filip Rembiałkowski <plk.zuber@gmail.com>)
Список pgsql-general
>
> 2012/1/10 Andy Colson<andy@squeakycode.net>:
>> Hi all.
>>
>> I am writing PHP where it prepares a statement like:
>> $sql = 'select * from aTable where id = any($1)';
>>
>> then in php I create a string:
>> $args = "{1,2,3}";
>>
>> And run it:
>>
>> $q = pg_query_params($db, $sql, $args);
>>
>> This is not actual code, just a sample.  And it works great for integers.  I
>> cannot get it to work with strings.
>>
>> Just running this in psql does not work either:
>> select 'bob' = any( '{''joe'', ''bob'' }' )
>>
>> But this does:
>> select 'bob' = any( array['joe', 'bob'] )
>>
>> But I can't seem to prepare and execute:
>> $sql = "select 'bob' = any( $1 )";
>> $args = "array['joe', 'bob']";
>> $q = pg_query_params($db, $sql, $args);
>>
>> Running on 9.0.4 on Slackware 64.
>>
>> Any hits would be appreciated.
>>
>> -Andy
>>
>> --
>> Sent via pgsql-general mailing list (pgsql-general@postgresql.org)
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>

On 1/10/2012 9:11 AM, Filip Rembiałkowski wrote:
 > maybe try to use ARRAY constructor instead?
 >
http://www.postgresql.org/docs/9.0/static/sql-expressions.html#SQL-SYNTAX-ARRAY-CONSTRUCTORS
 >
 >

As I mentioned, I cannot get it to work:

clayia=# prepare x as select 'bob' = any($1);
PREPARE
Time: 0.665 ms
clayia=# execute x( 'array[''joe'', ''bob'']' );
ERROR:  array value must start with "{" or dimension information
LINE 1: execute x( 'array[''joe'', ''bob'']' );

-Andy

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