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add uuid index mentions (#1082)

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Andrey Vasnetsov
2024-08-13 13:46:16 +02:00
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qdrant-landing/content/documentation/concepts/payload.md
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@@ -173,6 +173,29 @@ Notes about the format:
[RFC 3339]: https://datatracker.ietf.org/doc/html/rfc3339#section-5.6
### UUID
*Available as of v1.11.0*
In addition to the basic `keyword` type, Qdrant supports `uuid` type for storing UUID values.
Functionally, it works the same as `keyword`, internally stores parsed UUID values.
```json
{
"uuid": "550e8400-e29b-41d4-a716-446655440000",
"uuids": [
"550e8400-e29b-41d4-a716-446655440000",
"550e8400-e29b-41d4-a716-446655440001"
]
}
```
String representation of UUID (e.g. `550e8400-e29b-41d4-a716-446655440000`) occupies 36 bytes.
But when numeric representation is used, it is only 128 bits (16 bytes).
Usage of `uuid` index type is recommended in payload-heavy collections to save RAM and improve search performance.
## Create point with payload
REST API ([Schema](https://api.qdrant.tech/api-reference/points/upsert-points))