add_column(table_name, column_name, type, options = {}) — ActiveRecord::ConnectionAdapters::MysqlAdapter

add_column(table_name, column_name, type, options = {})

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Parameters

table_name req
column_name req
type req
options opt = {}

Source

# File activerecord/lib/active_record/connection_adapters/mysql_adapter.rb, line 470
      def add_column(table_name, column_name, type, options = {})
        add_column_sql = "ALTER TABLE #{quote_table_name(table_name)} ADD #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}"
        add_column_options!(add_column_sql, options)
        add_column_position!(add_column_sql, options)
        execute(add_column_sql)
      end

Defined in activerecord/lib/active_record/connection_adapters/mysql_adapter.rb line 470 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::MysqlAdapter

Signature

Parameters