On Fri, May 18, 2007 at 14:00:21 -0500, Doug Nebeker wrote:
> UPDATE xyz SET newcol=function(other_column) WHERE newcol=null;
>  
> Both of the above fail. What is the value in newcol?

The value is NULL, however you have to say "IS NULL":

  UPDATE xyz SET newcol=function(other_column) WHERE newcol IS NULL;

NULLs aren't equal to each other:

sqlite> .nullvalue <NULL>
sqlite> select NULL = NULL;
<NULL>



-- 
   Tomash Brechko

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