method
remove_column
rails latest stable - Class:
ActiveRecord::ConnectionAdapters::SQLiteAdapter
remove_column(table_name, *column_names)public
No documentation available.
# 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