method

change_column_sql

v3.2.1 - Show latest stable - 0 notes - Class: AbstractMysqlAdapter

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change_column_sql(table_name, column_name, type, options = {}) protected

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# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 583
      def change_column_sql(table_name, column_name, type, options = {})
        column = column_for(table_name, column_name)

        unless options_include_default?(options)
          options[:default] = column.default
        end

        unless options.has_key?(:null)
          options[:null] = column.null
        end

        change_column_sql = "CHANGE #{quote_column_name(column_name)} #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"
        add_column_options!(change_column_sql, options)
        add_column_position!(change_column_sql, options)
        change_column_sql
      end

change_column_sql

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