search results.</p>
<dl class="simple">
<dt>brute_force_search: Brute force search or not. Default to not.</dt><dd><p>If vectors not indexed, automatically to use brute force search.</p>
</dd>
</dl>
<p>metric_type: The distance type of computing vectors. Default to L2.</p>
<p>mul_vec_weight: Multiple vector field search weights. Default to None.</p>
<p>E.g. <cite>{‘f1’: 2.0, ‘f2’: 1.0}</cite>  vector field f1 weight is 2.0, vector field f2 weight is 1.0.</p>
<p>Notice that field f1 and f2 should hav