Daevid Vincent wrote:
Does mySQL have a way to INSERT a new record if one doesn't exist (based
upon primary compound key)?
I see this "EXISTS" but not an example of how to use it with INSERT.
I see "INSERT... ON DUPLICATE KEY UPDATE col_name=expr" which is very close,
but I want it to do nothing on duplicate key. :(
Why not just make the key unique? Then the insert won't work if the
value already exists for that key.
Jasper
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