@Override
	int length() {
		return indexedField.length() + primaryKey.length();
	}
Determine if the index field value has been truncated from its' original
value.
@return true if truncated else false
@deprecated this method serves no real purpose since the truncation 
status is not retained within the index table.
Ghidra/Framework/DB/src/main/java/db/IndexField.java