Re: existence of column name

Tried this out, and got a very familiar error that I don't know what
to do with :  "Error: expected just one rule action".

I'm using 8.3.5, and see this error quite a bit.  Anyone know what's
behind this error?

Thanks,
Eric

On Apr 8, 2009, at 8:54 PM, John R Pierce wrote:

> Eric Smith wrote:
>> All,
>>
>> From the C API, how do I check for the existence of a column name
>> in a given table?
>
>   select data_type from information_schema.columns where
> table_schema='public' and table_name='given_table' and
> column_name='some_column';
>
> that will return the data_type if the column exists, or return zero
> rows if it doesn't.
>
>