>Not a good feature for me.
Me neither, but...
>Check existence and then insert or update.
At least once a week I seem to be responding to this exact same suggestion. Somebody _please_ tell me if I'm the only
onein the whole world who worries about race conditions? What's wrong with just making sure there's a proper unique
key,and then just inserting the row? The returned error message will tell you if a failure is due to duplicate key,
missingnon-null column, or an actual disaster.
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