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simpler union

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This commit is contained in:
barisusakli
2014-06-25 18:27:22 -04:00
parent 7f534cc7b8
commit f80b3c3b66
1 changed files with 4 additions and 8 deletions
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12
src/database/redis/sorted.js
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@@ -83,18 +83,14 @@ module.exports = function(redisClient, module) {
}
module.getSortedSetUnion = function(sets, start, stop, callback) {
var args = Array.prototype.slice.call(arguments, 0);
args.unshift(null);
sortedSetUnion.apply(null, args);
sortedSetUnion(sets, false, start, stop, callback);
};
module.getSortedSetRevUnion = function(sets, start, stop, callback) {
var args = Array.prototype.slice.call(arguments, 0);
args.unshift(true);
sortedSetUnion.apply(null, args);
sortedSetUnion(sets, true, start, stop, callback);
};
function sortedSetUnion(rev, sets, start, stop, callback) {
function sortedSetUnion(sets, reverse, start, stop, callback) {
// start and stop optional
if (typeof start === 'function') {
callback = start;
@@ -112,7 +108,7 @@ module.exports = function(redisClient, module) {
sets.unshift('temp');
multi.zunionstore.apply(multi, sets);
multi[rev ? 'zrevrange' : 'zrange']('temp', start, stop);
multi[reverse ? 'zrevrange' : 'zrange']('temp', start, stop);
multi.del('temp');
multi.exec(function(err, results) {
if (!err && typeof callback === 'function') {