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Updated readme [skip ci]

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Andrew Kane
2024-04-14 08:40:27 -07:00
parent 0c9ad67a1c
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README.md
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@@ -138,6 +138,12 @@ Get the nearest neighbors to a vector
SELECT * FROM items ORDER BY embedding <-> '[3,1,2]' LIMIT 5; SELECT * FROM items ORDER BY embedding <-> '[3,1,2]' LIMIT 5;
``` ```
Supported distance functions are:
- `<->` - L2 distance
- `<#>` - (negative) inner product
- `<=>` - cosine distance
Get the nearest neighbors to a row Get the nearest neighbors to a row
```sql ```sql
@@ -509,7 +515,7 @@ Insert vectors
INSERT INTO items (embedding) VALUES ('{1:1,3:2,5:3}/5'), ('{1:4,3:5,5:6}/5'); INSERT INTO items (embedding) VALUES ('{1:1,3:2,5:3}/5'), ('{1:4,3:5,5:6}/5');
``` ```
Note: The format is `{index1:value1,index2:value2,...}/dimensions` and indices start at 1 like SQL arrays The format is `{index1:value1,index2:value2}/dimensions` and indices start at 1 like SQL arrays
Get the nearest neighbors by L2 distance Get the nearest neighbors by L2 distance