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Wrong result while quering by $in with an index on a large numeric string property #909

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qiangbro opened this issue Mar 1, 2022 · 1 comment
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@qiangbro
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qiangbro commented Mar 1, 2022

my code:

    let t;

    let alarms = [];
    for (let i = 0; i < 10000; i++) {
        alarms.push({id: "74590869096" + (907836 + i), name: 'hello' + i});
    }

    let db = new loki('exampleDB');
    let alarmCollection = db.addCollection('myAlarms', {indices: ['id']});

    console.log(`开始插入。。。`)
    t = Date.now();
    alarms.forEach(obj => alarmCollection.insert(obj));
    console.log(`完成插入 耗时${(Date.now() - t) / 1000}s alarmCollection.count=${alarmCollection.count()}`);

    let exampleId = "74590869096907841";
    console.log('find by id', alarmCollection.count({id: exampleId}))
    console.log('find by $in', alarmCollection.count({id: {$in:[exampleId]}}))
    console.log('find by $keyin', alarmCollection.count({id:{ $keyin: { [exampleId]: 'anything'} }}))

result:

开始插入。。。
完成插入 耗时0.045s alarmCollection.count=10000
find by id 1
find by $in 13
find by $keyin 1

This collcetion has an index on id, which is a large numeric string property.
As we can see, while i count/find, $keyin can return correct result, but $in returns Wrong result.

@qiangbro qiangbro changed the title Wrong result while query by $in with an index Wrong result while quering by $in with an index Mar 1, 2022
@qiangbro qiangbro changed the title Wrong result while quering by $in with an index Wrong result while quering by $in with an index on a large numeric string property Mar 1, 2022
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stale bot commented Apr 30, 2022

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

@stale stale bot added the wontfix label Apr 30, 2022
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