VSIM FILTER works without WITHATTRIBS by fetching attributes internally#1572
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hailangx merged 2 commits intohaixu/vector-filter-postprocessingfrom Feb 20, 2026
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[WIP] Update support for post-filter in vector search results
VSIM FILTER works without WITHATTRIBS by fetching attributes internally
Feb 20, 2026
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VSIM ... FILTER exprwithoutWITHATTRIBSpreviously returnedBadParamsbecause post-filtering requires attributes but they were only fetched whenincludeAttributes=true.Changes
VectorManager.cs(ValueSimilarity+ElementSimilarity): When a filter is present butincludeAttributesis false, attributes are now fetched into a temporary buffer, used for filtering, then discarded. Only the filtered IDs (and optionally distances) are returned.RespVectorSetTests.cs: AddedVSIMWithFilterButWithoutWithAttribsto cover this path.Example
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