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Thread: cycling values on update, null
03-27-2009, 02:08 AM #1
- Join Date
- Dec 2005
- Thanked 76 Times in 76 Posts
cycling values on update, nullCode:
update table set field = (SELECT CASE field when null then 1 when 1 then 2 else null end)
Any other suggestion how to do this ?
03-28-2009, 06:09 AM #2
A couple of alternatives.
(No SELECT needed, by the by.)Code:update table set field = ( CASE WHEN field IS NULL THEN 1 WHEN field = 1 THEN 2 ELSE null END )
Code:UPDATE table SET field = IF(field IS NULL, 1, IF(field = 1, 2, null) )