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* Use frozen-string-literal in ActiveRecordKir Shatrov2017-07-191-0/+2
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* Use `information_schema` to extract `generation_expression` for MariaDBRyuta Kamizono2017-07-071-1/+1
| | | | | | Since MariaDB 10.2.5, `information_schema` supports Virtual Columns. Fixes #29670.
* Revert "Merge pull request #29540 from kirs/rubocop-frozen-string"Matthew Draper2017-07-021-1/+0
| | | | | This reverts commit 3420a14590c0e6915d8b6c242887f74adb4120f9, reversing changes made to afb66a5a598ce4ac74ad84b125a5abf046dcf5aa.
* Enforce frozen string in RubocopKir Shatrov2017-07-011-0/+1
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* Virtual/generated column support for MySQL 5.7.5+ and MariaDB 5.2.0+Ryuta Kamizono2017-02-011-0/+59
MySQL generated columns: https://dev.mysql.com/doc/refman/5.7/en/create-table-generated-columns.html MariaDB virtual columns: https://mariadb.com/kb/en/mariadb/virtual-computed-columns/ Declare virtual columns with `t.virtual name, type: …, as: "expression"`. Pass `stored: true` to persist the generated value (false by default). Example: create_table :generated_columns do |t| t.string :name t.virtual :upper_name, type: :string, as: "UPPER(name)" t.virtual :name_length, type: :integer, as: "LENGTH(name)", stored: true t.index :name_length # May be indexed, too! end Closes #22589