method

add_column

v2.2.1 - Show latest stable - Class: ActiveRecord::ConnectionAdapters::PostgreSQLAdapter

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

public

Adds a new column to the named table. See TableDefinition#column for details of the options you can use.

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 807
      def add_column(table_name, column_name, type, options = {})
        default = options[:default]
        notnull = options[:null] == false

        # Add the column.
        execute("ALTER TABLE #{quote_table_name(table_name)} ADD COLUMN #{quote_column_name(column_name)} #{type_to_sql(type, options[:limit], options[:precision], options[:scale])}")

        change_column_default(table_name, column_name, default) if options_include_default?(options)
        change_column_null(table_name, column_name, false, default) if notnull
      end

add_column

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