On 05/05/2011 11:03, Andreas Kretschmer wrote:
> Mauro Ziliani<mauro(at)faresoftware(dot)it> wrote:
>> Hi all.
>> I'm working with Postgres 9.0 and wxWidgets.
>> I need to query the db about a field of a table.
>> The table T has a field varchar(50).
>> table: TAB0
>> customer: varchar(50)
>> How can I get the max size of the field?
> select max(length(customer)) from tab0;
Thank you for the suggestion.
But I look a C function which access PGresult record.
This is usefull for an sql script.
Thank you very much.
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