instance method `columns_for_remove`

Ruby on Rails 4.0.13

Since v3.1.12 Last seen in v4.0.13

Compare with:

columns_for_remove(table_name, *column_names)

No documentation comment.

Parameters

table_name req
column_names rest

Source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 844
        def columns_for_remove(table_name, *column_names)
          ActiveSupport::Deprecation.warn("columns_for_remove is deprecated and will be removed in the future")
          raise ArgumentError.new("You must specify at least one column name. Example: remove_columns(:people, :first_name)") if column_names.blank?
          column_names.map {|column_name| quote_column_name(column_name) }
        end

Defined in activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb line 844 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::SchemaStatements

Signature

Parameters