checkExpression = checkExpression.optimize(session);
check.setExpression(checkExpression);
check.setTableFilter(filter);
constraint = check;
if (checkExisting) {
check.checkExistingData(session);
}
break;
}
case CommandInterface.ALTER_TABLE_ADD_CONSTRAINT_REFERENTIAL: {
Table refTable = refSchema.getTableOrView(session, refTableName);