ur query can specify only one hashKey and only one
	possible value for that hashKey. Some examples are shown below:
	    <table style="border-collapse:collapse;border:1px solid black;">
		<tr>
		    <td style="border:1px solid black;">
		"hashKey1=value1"</td>
		    <td style="border:1px solid black;">
		supported, one hashKey and one value</td> </tr> <tr>
		    <td style="border:1px solid black;">
		"hashKey1 = value1 OR hashkey1 = value2"</td>
		    <td style="border:1px solid black;">
		not su