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Another solution is that Knowhere provides a new IDMAP index, which does not need to insert vector data, but only needs to specify the external memory address of vector data. Growing segment can temporarily generate this kind of index during query, and then call the Query() & QueryByRange() interface provided by the IDMAP, and the index will be destroyed immediately after it is used up.
There is another MEP solution has no additional memory overhead, but whether it is feasible needs further investigation.
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another MEP 34 -- IDMAP/BinaryIDMAP Enhancement describing this proposal.
查询结果的处理
Query 返回的查询结果有２种，一种为 SubSearchResult，用于存放 segment 中每个 chunk 的查询结果。
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