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mysqlpls.rb 595B

    # see https://github.com/rails/rails/issues/9855#issuecomment-28874587 # circumvents the default InnoDB limitation for index prefix bytes maximum when using proper 4byte UTF8 (utf8mb4) # (for server-side workaround see http://dev.mysql.com/doc/refman/5.7/en/innodb-parameters.html#sysvar_innodb_large_prefix) if ENV['ON_HEROKU'].nil? require 'active_record/connection_adapters/abstract_mysql_adapter' module ActiveRecord module ConnectionAdapters class AbstractMysqlAdapter NATIVE_DATABASE_TYPES[:string] = { :name => "varchar", :limit => 191 } end end end end