Bastien Koert napsal(a):
2009/6/3 Martin Zvarík <mzvarik@xxxxxxxxx>:
"SELECT * FROM xxx WHERE primary_id=123 LIMIT 1"
Is it useless (LIMIT 1) ?
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It doesn't do anything...you are already returning just the one row
since there can only be one primary key record
I know, but I thought it might have had a little performance + for the
MySQL... but I guess not.
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