60 lines
1.3 KiB
HTML
60 lines
1.3 KiB
HTML
<h2>Document</h2>
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<pre><code>
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{
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'_id': ObjectId('5ec72ffe00316be87cab3927'),
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'code': Code('function () { return 22; }'),
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'binary': BinData(1, '232sa3d323sd232a32sda3s2d3a2s1d23s21d3sa'),
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'dbref': DBRef('namespace', ObjectId('5ec72f4200316be87cab3926'), 'db'),
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'timestamp': Timestamp(0, 0),
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'long': NumberLong(9223372036854775807),
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'decimal': NumberDecimal('1000.55'),
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'integer': 100,
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'maxkey': MaxKey(),
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'minkey': MinKey(),
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'isodate': ISODate('2012-01-01T00:00:00.000Z'),
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'regexp': RegExp('prism(js)?', 'i'),
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'string': 'Hello World',
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'numberArray': [1, 2, 3],
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'stringArray': ['1','2','3'],
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'randomKey': null,
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'object': { 'a': 1, 'b': 2 },
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'max_key2': MaxKey(),
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'number': 1234,
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'invalid-key': 123,
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noQuotesKey: 'value',
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}
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</code></pre>
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<h2>Query</h2>
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<pre><code>
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db.users.find({
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_id: { $nin: ObjectId('5ec72ffe00316be87cab3927') },
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age: { $gte: 18, $lte: 99 },
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field: { $exists: true }
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})
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</code></pre>
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<h2>Update</h2>
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<pre><code>
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db.users.updateOne(
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{
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_id: ObjectId('5ec72ffe00316be87cab3927')
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},
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{
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$set: { age: 30 },
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$inc: { updateCount: 1 },
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$push: { updateDates: new Date() }
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}
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)
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</code></pre>
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<h2>Aggregate</h2>
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<pre><code>
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db.orders.aggregate([
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{ $sort : { age : -1 } },
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{ $project : { age : 1, status : 1, name : 1 } },
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{ $limit: 5 }
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])
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</code></pre>
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