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method

remove_column

Importance_0
Ruby on Rails latest stable (v4.0.2) - 0 notes - Class: ActiveRecord::ConnectionAdapters::SQLiteAdapter

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v3.2.13) is shown here.

These similar methods exist in v4.0.2:

remove_column(table_name, *column_names) public

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# File activerecord/lib/active_record/connection_adapters/sqlite_adapter.rb, line 408
      def remove_column(table_name, *column_names) #:nodoc:
        raise ArgumentError.new("You must specify at least one column name. Example: remove_column(:people, :first_name)") if column_names.empty?

        if column_names.flatten!
          message = 'Passing array to remove_columns is deprecated, please use ' +
                    'multiple arguments, like: `remove_columns(:posts, :foo, :bar)`'
          ActiveSupport::Deprecation.warn message, caller
        end

        column_names.each do |column_name|
          alter_table(table_name) do |definition|
            definition.columns.delete(definition[column_name])
          end
        end
      end
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