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doc v0.7.x (#30)

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Co-authored-by: qdrant <qdrant@users.noreply.github.com>
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Andrey Vasnetsov
2022-04-13 10:17:15 +02:00
committed by GitHub
co-authored by qdrant
parent 85a00a667f
commit eff6883cea
9 changed files with 221 additions and 108 deletions
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qdrant-landing/content/documentation/indexing.md
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@@ -14,7 +14,7 @@ Their necessity is determined by the [optimizer](../optimizer) settings and depe
## Payload Index
Payload index in Qdrant is similar to the index in conventional document-oriented databases.
This index is built for a specific field and is used for quick point requests by the corresponding filtering condition.
This index is built for a specific field and type and is used for quick point requests by the corresponding filtering condition.
The index is also used to accurately estimate the filter cardinality, which helps the [query planned](../search) choose a search strategy.
@@ -28,7 +28,8 @@ REST API
PUT /collections/{collection_name}/index
{
"field_name": "name_of_the_field_to_index"
"field_name": "name_of_the_field_to_index",
"field_type": "keyword"
}
```
@@ -39,8 +40,15 @@ With Python client
```
-->
Available field types are:
* `keyword` - for [keyword](../payload/#keyword) payload, affects [Match](../filtering/#match) filtering conditions.
* `integer` - for [integer](../payload/#integer) payload, affects [Match](../filtering/#match) and [Range](../filtering/#range) filtering conditions.
* `float` - for [float](../payload/#float) payload, affects [Range](../filtering/#range) filtering conditions.
* `geo` - for [geo](../payload/#geo) payload, affects [Geo Bounding Box](../filtering/#geo-bounding-box) and [Geo Radius](../filtering/#geo-radius) filtering conditions.
For indexing, it is recommended to choose the field that limits the search result the most.
As a rule, the more different values a payload value has, the more efficient the index will be used.
As a rule, the more different values a payload value has, the more efficiently the index will be used.
You should not create an index for Boolean fields and fields with only a few possible values.