Re: copy commands and linefeeds

On Wed, 2007-09-19 at 11:19 -0700, Mija Lee wrote:
> Oliver:
>
> thanks so much for the help. Just for folks who might be looking on the list,
> Oliver's suggestion works with 8.1 and above:
>
> alter table mytable add check (mycolumn !~ E'[\n\r]');
>
> whereas this works on 8.0:
>
> alter table mytable add check (mycolumn !~ '\\r\\n');

But don't forget the square brackets: '[\\r\\n]'
otherwise you would match only a return followed by a linefeed rather
than either by itself.

> Maybe everyone already knows this...
>
> Mija
>
>
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Oliver Elphick olly(at)lfix(dot)co(dot)uk
Isle of Wight http://www.lfix.co.uk/oliver
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