QuerySome()

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This function calls a given closure/function with every element in a given query and returns true, if one of the closure calls returns true.

QuerySome( query=query, closure=function, parallel=boolean, maxThreads=number );

Returns: Boolean

Argument Description Default
query
query, required 		edit

query to iterate

Alias: object
closure
function, required 		edit

function/closure that implements the following constructor
function(struct row [, number rowNumber, query query]):boolean.

Alias: function, callback, udf
parallel
boolean, optional 		edit

execute closures parallel
maxThreads
number, optional 		edit

maximum number of threads executed, ignored when argument "parallel" is set to false

Alias: maxThreadCount

20

Examples

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	people = QueryNew( "name,dob,age", "varchar,date,int", [
		[ "Susi", CreateDate( 1970, 1, 1 ), 0 ],
		[ "Urs" , CreateDate( 1995, 1, 1 ), 0 ],
		[ "Fred", CreateDate( 1960, 1, 1 ), 0 ],
		[ "Jim" , CreateDate( 1988, 1, 1 ), 0 ]
	]);
	valid = querySome(people,function(row, rowNumber, qryData){
	    return ((DateDiff('yyyy', row.dob, Now()) > 0) && (DateDiff('yyyy', row.dob, Now()) <= 100))
	});
	writeDump(valid);

See also