Constraint duplicate() {
Constraint copy = new Constraint();
copy.core = core.duplicate();
copy.name = name;
copy.constType = constType;
copy.isForward = isForward;
//
copy.check = check;
copy.isNotNull = isNotNull;
copy.notNullColumnIndex = notNullColumnIndex;
copy.rangeVariable = rangeVariable;
copy.schemaObjectNames = schemaObjectNames;
return copy;
}
