/ Ruby on Rails
/
method

add_index

rails latest stable - Class: ActiveRecord::ConnectionAdapters

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v5.2.3) is shown here.

add_index(table_name, column_name, options = {})
public

No documentation available.

# File activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb, line 379
      def add_index(table_name, column_name, options = {}) #:nodoc:
        index_name, index_type, index_columns, _, index_algorithm, index_using, comment = add_index_options(table_name, column_name, options)
        sql = "CREATE #{index_type} INDEX #{quote_column_name(index_name)} #{index_using} ON #{quote_table_name(table_name)} (#{index_columns}) #{index_algorithm}".dup
        execute add_sql_comment!(sql, comment)
      end