example/iterator-hscan-example.js
/*
* Spade HSCAN iterator example
*/
var log = console.log
, Spade = require( '../' )
, client = Spade()
, cback = function ( err, data, iterate ) {
if ( ! data[ 0 ] ) return iterate();
etime = Date.now();
log( '\n- %s properties scanned from hash key \'%s\' through %s iterations.', data[ 3 ], hkey, data[ 2 ] );
log( '- elapsed time: %d secs.\n', ( ( etime - stime ) / 1000 ).toFixed( 1 ) );
}
, i = 0
// Spade default options for SCAN ZSCAN SSCAN HSCAN commands.
, opt = {
match : null
, count : 10
}
, hkey = 'hkey'
, n = 5000
, stime = -1
, etime = -1
;
// enable cli logging
client.cli();
// client.commands.flushdb();
// push 5000 test keys to force multiple iterations with COUNT
for ( ; i < n; ++i ) client.commands.hset( hkey, 'prop:' + i, i );
client.connect();
// load files from iterators directory
client.loadIterators();
stime = Date.now();
// get a HSCAN iterator
client.iterators.hscan( hkey, 0, opt, cback ).next();