# File lib/jdbc_adapter/jdbc_mssql.rb, line 223 def remove_check_constraints(table_name, column_name) # TODO remove all constraints in single method constraints = select "SELECT CONSTRAINT_NAME FROM INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE where TABLE_NAME = '#{table_name}' and COLUMN_NAME = '#{column_name}'" constraints.each do |constraint| execute "ALTER TABLE #{table_name} DROP CONSTRAINT #{constraint["CONSTRAINT_NAME"]}" end end