lucee-query-column-elvis-test.cfm

<cfscript>

	writedump(server.coldfusion.productversion); //4.5.1.004

	function noRecordsTest() {

		var q = queryNew("columnA");

		//return no records
		var qData = queryExecute("SELECT columnA FROM q", {}, {dbtype="query"});

		writedump(qData); //empty recordset
		writedump(qData.recordcount); //0
		writedump(qData.columnA); //partial null support: empty string, "complete" null support: null
		writedump(qData.columnA ?: 0) //partial null support: empty string, "complete" null support: null
		writedump(isNull(qData.columnA)); //false
		writedump(!isNull(qData.columnA) ? qData.columnA : 0); //partial null support: empty string, "complete" null support: null

	}

	function nullColumnTest() {

		var q = queryNew("columnA");
		queryAddRow(q);
		querySetCell(q, "columnA", javaCast("null", 0));

		//returns one record
		var qData = queryExecute("SELECT columnA FROM q", {}, {dbtype="query"});

		writedump(qData); //one row in recordset
		writedump(qData.recordcount); //1
		writedump(qData.columnA); //partial null support: empty string, "complete" null support: null
		writedump(qData.columnA ?: 0) //partial null support: empty string, "complete" null support: null
		writedump(isNull(qData.columnA)); //false
		writedump(!isNull(qData.columnA) ? qData.columnA : 0); //partial null support: empty string, "complete" null support: null

	}

	noRecordsTest();
	nullColumnTest();

</cfscript>