method

remove_columns

v4.0.2 - Show latest stable - 0 notes - Class: ActiveRecord::ConnectionAdapters::SchemaStatements

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0 (0)
2.2.1 (0)
2.3.8 (0)
3.0.0 (0)
3.0.9 (12)
3.1.0 (0)
3.2.1 (0)
3.2.8 (0)
3.2.13 (0)
4.0.2 (9)
4.1.8 (0)
4.2.1 (0)
4.2.7 (0)
4.2.9 (0)
5.0.0.1 (0)
5.1.7 (0)
5.2.3 (0)
6.0.0 (0)
6.1.3.1 (38)
6.1.7.7 (0)
7.0.0 (0)
7.1.3.2 (0)
7.1.3.4 (0)
What's this?

remove_columns(table_name, *column_names) public

Removes the given columns from the table definition.

remove_columns(:suppliers, :qualification, :experience)

Show source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 367
      def remove_columns(table_name, *column_names)
        raise ArgumentError.new("You must specify at least one column name. Example: remove_columns(:people, :first_name)") if column_names.empty?
        column_names.each do |column_name|
          remove_column(table_name, column_name)
        end
      end

remove_columns

Related methods