Vector search feature #1928
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Vector search feature #1928
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Added type C4VectorMetric and field C4VectorIndexOptions::metric. Default value should be kC4VectorMetricEuclidean.
Picking up some bug fixes
and add note to black duck manifest about deps
jianminzhao
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Jan 16, 2024
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The vector search feature (#1928)
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* Implemented vector search / vector index [API] * Now supports cosine distance metric [API] Added type C4VectorMetric and field C4VectorIndexOptions::metric. Default value should be kC4VectorMetricEuclidean. * Add faiss to blackduck and correct SQLiteCpp commit * Updated mobile-vector-search submodule * Support vector SQ encoding bits and min/max training size [API] --------- Co-authored-by: Jim Borden <[email protected]> Co-authored-by: Jianmin Zhao <[email protected]>
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c4_setExtensionPathfunctionvector_matchandvector_distancesqlite3_log_callbackfn to correctly logSQLITE_WARNINGcode as a warning not an error; also refactored the code to use a switch statement instead of a bunch ofifs.SQLITE_OMIT_LOAD_EXTENSIONmacro since we now use that featureThere is also documentation for the new vector search SQLite extension.