public static int stringToInt (String st) {
		int res = 0;
		if (st.equals("integer") || st.equals("INTEGER")) res = INTEGER;
		else if (st.equals("float") || st.equals("FLOAT")) res = DOUBLE;
		else if (st.equals("text") || st.equals("VARCHAR") || st.equals("TEXT")) res = STRING;
		else if (st.equals("bool") || st.equals("BOOL")) res = BOOLEAN;
		return res;
	}