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| author | Lihan Li <frankieteardrop@gmail.com> | 2016-04-11 17:46:34 -0400 |
|---|---|---|
| committer | Lihan Li <frankieteardrop@gmail.com> | 2016-04-11 17:46:34 -0400 |
| commit | 73e2dbe651566dbda20002c6184e334c471e1195 (patch) | |
| tree | bbd463db382331e2bfa7fcc9fc12adb4348cfb22 /activerecord/lib/active_record/migration.rb | |
| parent | fa8602656edbf879430fffefc5efa11d253da003 (diff) | |
| download | rails-73e2dbe651566dbda20002c6184e334c471e1195.tar.gz rails-73e2dbe651566dbda20002c6184e334c471e1195.tar.bz2 rails-73e2dbe651566dbda20002c6184e334c471e1195.zip | |
set default parameter to nil to speed up attribute_changed?
Benchmark results:
Warming up --------------------------------------
old code 32.176k i/100ms
new code 34.837k i/100ms
Calculating -------------------------------------
old code 1.595M (± 3.5%) i/s - 7.947M
new code 1.942M (± 3.9%) i/s - 9.685M
Diffstat (limited to 'activerecord/lib/active_record/migration.rb')
0 files changed, 0 insertions, 0 deletions