instance method `change_column_null`

Ruby on Rails 4.1.16

Since v4.0.13 Last seen in v4.2.9

Available in: v4.0.13 v4.1.16 v4.2.9

Compare with:

change_column_null(table_name, column_name, null, default = nil)

No documentation comment.

Parameters

table_name req
column_name req
null req
default opt = nil

Source

# File activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb, line 477
      def change_column_null(table_name, column_name, null, default = nil)
        unless null || default.nil?
          exec_query("UPDATE #{quote_table_name(table_name)} SET #{quote_column_name(column_name)}=#{quote(default)} WHERE #{quote_column_name(column_name)} IS NULL")
        end
        alter_table(table_name) do |definition|
          definition[column_name].null = null
        end
      end

Defined in activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb line 477 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::SQLite3Adapter

Signature

Parameters