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authorRyuta Kamizono <kamipo@gmail.com>2018-12-19 08:38:12 +0900
committerRyuta Kamizono <kamipo@gmail.com>2018-12-19 08:38:12 +0900
commit0fa5b5510c6faefc33ab3715e08b2604195a1063 (patch)
tree563ed97cfd1fc4c4584d3016ac05c27bbf5a2e3a /activerecord/lib/active_record/callbacks.rb
parent5b5319413a611c949cb796351ff42fa0c0299252 (diff)
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Use `utf8mb4` charset for internal tables if the row format `DYNAMIC` by default
The indexing issue on `utf8mb4` columns is resolved since MySQL 5.7.9.
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