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test-metadata.py

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Alex Garcia 2024-11-13 17:54:10 -08:00
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@ -52,3 +52,14 @@ The fourth character of the block is a `_` filler.
`argv[i]` is the value of the rowid or id to match against for the point query.
The remaining 3 characters of the block are `_` fillers.
#### `VEC0_IDXSTR_KIND_METADATA_CONSTRAINT` (`'&'`)
`argv[i]` is the value of the `WHERE` constraint for a metdata column in a KNN query.
The second character of the block denotes which metadata column the constraint belongs to, using `A` to denote the first metadata column column, `B` for the second, etc. It is encoded with `'A' + metadata_idx` and can be decoded with `c - 'A'`.
The third character of the block is the constraint operator. It will be one of `enum vec0_metadata_operator`, as only a subset of operators are supported on metadata column KNN filters.
The foruth character of the block is a `_` filler.