long getParentID() {
		lock.acquire();
		try {
			checkIsValid();
			if (record == null) {
				return Namespace.GLOBAL_NAMESPACE_ID;
			}
			return record.getLongValue(SymbolDatabaseAdapter.SYMBOL_PARENT_ID_COL);
		}
		finally {
			lock.release();
		}
	}
@see ghidra.program.model.symbol.Symbol#setPrimary()
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/symbol/SymbolDB.java