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@ -547,16 +547,16 @@ It resolves into an Object with the following properties: |
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// { _id: 'id4', planet: 'Omicron Persia 8', system: 'futurama', inhabited: true } |
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// Replace a document by another |
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const { numReplaced } = await db.updateAsync({ planet: 'Jupiter' }, { planet: 'Pluton' }, {}) |
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// numReplaced = 1 |
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const { numAffected } = await db.updateAsync({ planet: 'Jupiter' }, { planet: 'Pluton' }, {}) |
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// numAffected = 1 |
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// The doc #3 has been replaced by { _id: 'id3', planet: 'Pluton' } |
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// Note that the _id is kept unchanged, and the document has been replaced |
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// (the 'system' and inhabited fields are not here anymore) |
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// Set an existing field's value |
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const { numReplaced } = await db.updateAsync({ system: 'solar' }, { $set: { system: 'solar system' } }, { multi: true }) |
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// numReplaced = 3 |
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const { numAffected } = await db.updateAsync({ system: 'solar' }, { $set: { system: 'solar system' } }, { multi: true }) |
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// numAffected = 3 |
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// Field 'system' on Mars, Earth, Jupiter now has value 'solar system' |
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@ -586,11 +586,11 @@ await db.updateAsync({ planet: 'Mars' }, { $unset: { planet: true } }, {}) |
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// Upserting a document |
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const { numReplaced, affectedDocuments, upsert } = await db.updateAsync({ planet: 'Pluton' }, { |
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const { numAffected, affectedDocuments, upsert } = await db.updateAsync({ planet: 'Pluton' }, { |
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planet: 'Pluton', |
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inhabited: false |
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}, { upsert: true }) |
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// numReplaced = 1, affectedDocuments = { _id: 'id5', planet: 'Pluton', inhabited: false }, upsert = true |
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// numAffected = 1, affectedDocuments = { _id: 'id5', planet: 'Pluton', inhabited: false }, upsert = true |
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// A new document { _id: 'id5', planet: 'Pluton', inhabited: false } has been added to the collection |
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