Re: Table name as parameter

From: Andreas Joseph Krogh <andreak(at)officenet(dot)no>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Table name as parameter
Date: 2011-05-10 20:37:07
Message-ID: 4DC9A1F3.5060504@officenet.no
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On 05/09/2011 10:59 PM, Adrian Klaver wrote:
> On 05/09/2011 12:33 PM, Sairam Krishnamurthy wrote:
>> All,
>>
>> I have a function that takes the table name the parameter. After some
>> digging I found that this can be made possible by have the query as a
>> string and EXECUTE it.
>>
>> EXECUTE 'SELECT * FROM "' || table || '" WHERE <condition>';
>>
>> The above works.
>>
>> But I want the result in a record variable for further processing. So my
>> query actually is
>>
>> EXECUTE 'SELECT * FROM "' || table || '" INTO "record_data" WHERE
>> <condition>';
>
> Try.:
>
> EXECUTE 'SELECT * FROM "' || table || '" WHERE
> <condition>' INTO record_data;

Or even safer (to avoid SQL-injection attacs): EXECUTE 'SELECT * FROM '
|| quote_ident(table_name) || ' WHERE some_column = ' ||
quote_literal(some_value)

--
Andreas Joseph Krogh <andreak(at)officenet(dot)no>
Senior Software Developer / CTO
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