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method

rename_column_sql

Importance_0
Ruby on Rails latest stable (v4.2.1) - 0 notes - Class: AbstractMysqlAdapter
rename_column_sql(table_name, column_name, new_column_name) protected

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# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 772
      def rename_column_sql(table_name, column_name, new_column_name)
        column  = column_for(table_name, column_name)
        options = {
          name: new_column_name,
          default: column.default,
          null: column.null,
          auto_increment: column.extra == "auto_increment"
        }

        current_type = select_one("SHOW COLUMNS FROM #{quote_table_name(table_name)} LIKE '#{column_name}'", 'SCHEMA')["Type"]
        schema_creation.accept ChangeColumnDefinition.new column, current_type, options
      end
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