DOCSP-48163: Add async examples for Read pages #227
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norareidy
approved these changes
Mar 17, 2025
NoahStapp
suggested changes
Mar 24, 2025
| # start-tailable-cursor-async | ||
| oplog = client.local.oplog.rs | ||
| first = oplog.find().sort('$natural', pymongo.ASCENDING).limit(-1).next() |
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| first = oplog.find().sort('$natural', pymongo.ASCENDING).limit(-1).next() | |
| first = await oplog.find().sort('$natural', pymongo.ASCENDING).limit(-1).next() |
| cursor = oplog.find({'ts': {'$gt': ts}}, | ||
| cursor_type=pymongo.CursorType.TAILABLE_AWAIT) | ||
| await while async cursor.alive: |
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| await while async cursor.alive: | |
| while cursor.alive: |
| # You end up here if the find() method returns no documents, or if | ||
| # no new documents are added to the collection for more than 1 second. | ||
| time.sleep(1) |
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| time.sleep(1) | |
| await asyncio.sleep(1) |
| # start-distinct | ||
| results = await restaurants.distinct("borough") | ||
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| async for restaurant in results: |
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| async for restaurant in results: | |
| for restaurant in results: |
distinct() returns a list.
| "cuisine": "Italian" | ||
| }) | ||
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| async for restaurant in results: |
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| async for restaurant in results: | |
| for restaurant in results: |
| print(count) | ||
| # end-estimated-count | ||
| # start-distinct | ||
| results = collection.distinct("<field name>") |
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| results = collection.distinct("<field name>") | |
| results = await collection.distinct("<field name>") |
| # start-distinct | ||
| results = collection.distinct("<field name>") | ||
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| async for document in results: |
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| async for document in results: | |
| for document in results: |
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| # end example code here | ||
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| client.close() |
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| client.close() | |
| await client.close() |
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Realize I forgot to wrap this in an async function (Python complains otherwise) so I can also do that
NoahStapp
approved these changes
Mar 24, 2025
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Pull Request Info
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JIRA - https://jira.mongodb.org/browse/DOCSP-48163
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