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"ActiveRecord updates every column in a row during a save whether that column changed or not. So it performs work it doesn't really need to. Which is much slower, and is likely to eat data during concurrent access if you don't go around adding locking support to everything."
"ActiveRecord updates every column in a row during a save whether that
column changed or not. So it performs work it doesn't really need to.
Which is much slower, and is likely to eat data during concurrent
access if you don't go around adding locking support to everything."
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