method

table_options

v6.1.3.1 - Show latest stable - 0 notes - Class: AbstractMysqlAdapter

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table_options(table_name) public

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# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 454
      def table_options(table_name) # :nodoc:
        create_table_info = create_table_info(table_name)

        # strip create_definitions and partition_options
        # Be aware that `create_table_info` might not include any table options due to `NO_TABLE_OPTIONS` sql mode.
        raw_table_options = create_table_info.sub(/\A.*\n\) ?/, "").sub(/\n\/\*!.*\*\/\n\z/, "").strip

        return if raw_table_options.empty?

        table_options = {}

        if / DEFAULT CHARSET=(?<charset>\w+)(?: COLLATE=(?<collation>\w+))?/ =~ raw_table_options
          raw_table_options = $` + $' # before part + after part
          table_options[:charset] = charset
          table_options[:collation] = collation if collation
        end

        # strip AUTO_INCREMENT
        raw_table_options.sub!(/(ENGINE=\w+)(?: AUTO_INCREMENT=\d+)/, '\1')

        # strip COMMENT
        if raw_table_options.sub!(/ COMMENT='.+'/, "")
          table_options[:comment] = table_comment(table_name)
        end

        table_options[:options] = raw_table_options unless raw_table_options == "ENGINE=InnoDB"
        table_options
      end

table_options

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