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Fix sorting API docs #2979

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Feb 13, 2025
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Fix sorting API docs #2979

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4 changes: 3 additions & 1 deletion developers/weaviate/api/graphql/additional-operators.md
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Expand Up @@ -287,10 +287,12 @@ import GraphQLFiltersAfter from '/_includes/code/graphql.filters.after.mdx';
Added in `v1.13.0`.
:::

You can sort results by any primitive property, such as `text`, `number`, or `int`. When query results, for example, `near<Media>` vector search results, have a natural order, sort functions override that order.
You can sort results by any primitive property, such as `text`, `number`, or `int`.

### Sorting considerations

Sorting can be applied when fetching objects, but it's unavailable for the `near<Media>` vector search operators.

Weaviate's sorting implementation does not lead to massive memory spikes. Weaviate does not load all object properties into memory; only the property values being sorted are kept in memory.

Weaviate does not use any sorting-specific data structures on disk. When objects are sorted, Weaviate identifies the object and extracts the relevant properties. This works reasonably well for small scales (100s of thousand or millions of objects). It is expensive if you sort large lists of objects (100s of millions, billions). In the future, Weaviate may add a column-oriented storage mechanism to overcome this performance limitation.
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