On 24 September 2010 16:05, Chris Barnes
<compuguruchrisbarnes@hotmail.com> 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
What it's telling you is that the column can't contain null values,
but you're adding a new column with no default, so it will naturally
use null.
Try adding a default like:
ALTER TABLE schema.table ADD COLUMN column_name integer NOT NULL DEFAULT 0;
--
Thom Brown
Twitter: @darkixion
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