@Override
	public boolean isVariableLength() {
		// NOTE: while fixed-length IndexFields are possible this past
		// oversight failed to override this method for fixed-length cases
		// (e.g., indexing fixed-length field with long primary key).
		// To preserve backward compatibility this can not be changed for 
		// long primary keys.
		return true;
	}
Constructor
@param indexField primary table field type being indexed
Ghidra/Framework/DB/src/main/java/db/LegacyIndexField.java