On Friday 24 September 2010 8:05:43 am Chris Barnes wrote:
> I am confused with what this is telling me.
> I have a table and I am trying to add a new column with constraint not
> null.
>
>
> What am I missing?
> Chris
>
>
> pgdb001=> alter table schema.table add COLUMN column_name integer not null;
> ERROR: column "column_name" contains null values
The error message :) The column has NULLs in it so you can not make it NOT NULL
until you get rid of them.
--
Adrian Klaver
adrian(dot)klaver(at)gmail(dot)com