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by cm2187
1335 days ago
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Why would you feel dirty? In this case it is solving for exact equality, ie the same bits, it doesn't matter that the value is a float. Though I have seen some people using a double as a primary key (no idea why) and some database engine (internal, not major vendor) failing to do equality comparisons in certain statements, I suspect because they must be switching to "close enough" which is not what you expect when you write col1 = col2. |
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