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| author | Ryuta Kamizono <kamipo@gmail.com> | 2018-10-25 07:29:51 +0900 |
|---|---|---|
| committer | Ryuta Kamizono <kamipo@gmail.com> | 2018-10-25 18:09:02 +0900 |
| commit | d496055b5b75387136bcdd1cc93aeab14dbda606 (patch) | |
| tree | 232e12f4d7b3800386f51fb09c5387699b84f8b1 /activerecord/test/cases/mixin_test.rb | |
| parent | d76d66fb554fc3267de93d780344815d05ae6533 (diff) | |
| download | rails-d496055b5b75387136bcdd1cc93aeab14dbda606.tar.gz rails-d496055b5b75387136bcdd1cc93aeab14dbda606.tar.bz2 rails-d496055b5b75387136bcdd1cc93aeab14dbda606.zip | |
Support expression indexes for MySQL
MySQL 8.0.13 and higher supports functional key parts that index
expression values rather than column or column prefix values.
https://dev.mysql.com/doc/refman/8.0/en/create-index.html
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