mirror of https://github.com/milvus-io/milvus.git
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@ -22,7 +22,7 @@ After obtaining the AST, execution engine uses the visitor mode to explain and e
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1. Each Node includes two steps, a mandatory vector search and an optional predicate.
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1. If Predicate exist, execute predicate expression stage to generate bitset as the vector search bitmask.
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1. If Predicate exists, execute predicate expression stage to generate bitset as the vector search bitmask.
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2. If Predicate does not exist, vector search bitmask will be empty.
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3. Bitmask will be used to mark filtered out / deleted entities in the vector execution engine.
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