method

remove_column

v3.0.0 - Show latest stable - 0 notes - Class: ActiveRecord::ConnectionAdapters::SchemaStatements

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What's this?

remove_column(table_name, *column_names) public

Removes the column(s) from the table definition.

Examples

 remove_column(:suppliers, :qualification)
 remove_columns(:suppliers, :qualification, :experience)

Show source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 255
      def remove_column(table_name, *column_names)
        raise ArgumentError.new("You must specify at least one column name.  Example: remove_column(:people, :first_name)") if column_names.empty?
        column_names.flatten.each do |column_name|
          execute "ALTER TABLE #{quote_table_name(table_name)} DROP #{quote_column_name(column_name)}"
        end
      end

remove_column

Related methods

Examples