Thanks a lot Raymond it works well. On Sat, Feb 7, 2009 at 3:32 PM, Raymond O'Donnell <r...@iol.ie> wrote:
> On 07/02/2009 14:26, Alain Roger wrote: > > > i have a table which can be altered with several additional column. How > can > > i test under plpgsql if a particular column already exists ? > > select 1 from information_schema.columns > where table_name = 'your_table_name_here' > and column_name = 'your_column_name_here'; > > HTH, > > Ray. > > ------------------------------------------------------------------ > Raymond O'Donnell, Director of Music, Galway Cathedral, Ireland > r...@iol.ie > Galway Cathedral Recitals: http://www.galwaycathedral.org/recitals > ------------------------------------------------------------------ > -- Alain ----------------------------------------------------------- Windows XP x64 SP2 / Fedora 10 KDE 4.2 PostgreSQL 8.3.5 / MS SQL server 2005 Apache 2.2.10 PHP 5.2.6 C# 2005-2008