// override Object
public boolean equals(Object obj) {
if (!(obj instanceof RelColumnOrigin)) {
return false;
}
RelColumnOrigin other = (RelColumnOrigin) obj;
return Arrays.equals(originTable.getQualifiedName(), other.originTable.getQualifiedName())
&& (iOriginColumn == other.iOriginColumn)
&& (isDerived == other.isDerived);
}
// override Object
public int hashCode() {
return Arrays.hashCode(originTable.getQualifiedName()) + iOriginColumn + (isDerived ? 313 : 0);
}
public List<String> getQualifiedName() {
return parent.getQualifiedName();
}