Function valueAsVector

src/sqlite-vector.cpp:114–148

}

static vec_ptr valueAsVector(sqlite3_value *value) {

    // Option 1: If the value is a "vectorf32v0" pointer, create vector from
    // that
    auto vec = (VectorFloat *)sqlite3_value_pointer(value, VECTOR_FLOAT_POINTER_NAME);

    if (vec != nullptr)
        return vec_ptr(new vector<float>(vec->data, vec->data + vec->size));

    vec_ptr pVec;

    // Option 2: value is a blob in vector format
    if (sqlite3_value_type(value) == SQLITE_BLOB) {

        const char *pzErrMsg = nullptr;

        if ((pVec = vectorFromBlobValue(value, &pzErrMsg)) != nullptr)
            return pVec;

        if ((pVec = vectorFromRawBlobValue(value, &pzErrMsg)) != nullptr)
            return pVec;
    }

    // Option 3: if value is a JSON array coercible to float vector, use that
    if (sqlite3_value_type(value) == SQLITE_TEXT) {

        if ((pVec = vectorFromTextValue(value)) != nullptr)
            return pVec;
        else
            return nullptr;
    }

    // Else, value isn't a vector
    return nullptr;
}

#pragma endregion