[Feature] Add efficient filtering (knn.filter) support for vectorSearch()#5331

Merged

mengweieric merged 14 commits intoopensearch-project:feature/vector-search-p0from

mengweieric:feature/sql-vector-search-efficient-filtering

Apr 16, 2026

Commits on Apr 14, 2026

Add FilterType enum for post|efficient filter placement
mengweieric
committed
Add filter_type to allowed option keys with post|efficient validation
mengweieric
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Strip filter_type from options and pass as typed FilterType to VectorSearchIndex
mengweieric
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Collapse buildKnnQueryJson to accept optional filter clause
mengweieric
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Implement efficient filter pushdown branching and build-time validation in VectorSearchQueryBuilder
mengweieric
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Wire FilterType and rebuild callback through createScanBuilder
mengweieric
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Add build-time validation and regression tests for LIMIT/sort under efficient mode
mengweieric
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Add integration tests for filter_type=post|efficient and spotless formatting
mengweieric
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Reject radial vector search without LIMIT
mengweieric
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Fix limitPushed not set when limit comes through pushDownSort count path
mengweieric
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Handle non-pushdownable WHERE with explicit filter_type
mengweieric
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Commits on Apr 15, 2026

Add defensive null guard for EFFICIENT mode rebuild callback
mengweieric
committed

Commits on Apr 16, 2026