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guarantee ordering when using leveldb back end

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startup might be a little bit slower now
but we shouldn't see "too much recursion" errors
closes #6 (in theory)
This commit is contained in:
ansuz 2016-01-30 17:05:59 +01:00
parent c2eb29b75e
commit 9b56cbbaca
1 changed files with 12 additions and 6 deletions
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18
storage/lvl.js
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@ -59,12 +59,18 @@ module.exports.create = function(conf,cb){
getMessages: function(cName, cb){ getMessages: function(cName, cb){
/* get all messages relating to a channel */ /* get all messages relating to a channel */
getIndex(cName, function(index){ getIndex(cName, function(index){
for(var i=index;i>=0;i--){ var last = index,
db.get(cName+'=>'+i,function(e,out){ i = 0,
if(e) return console.error(e); next = function () {
cb(out); db.get(cName+'=>'+i, function (e,out) {
}); if(e) return console.error(e);
} cb(out);
if (++i <= last) {
next();
}
});
};
next();
}); });
}, },
}); });