feat: support vector query pruning by index segments#6376
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Xuanwo
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This change adds
with_index_segments()for vector queries and makes ANN planning prune to the selected index segments instead of always searching the full logical index. It also makeswith_fragments()participate in segment selection and flat fallback computation so fragment-filtered and segment-filtered searches stay correct when only part of the logical index is queried.This feature will make distributed search much faster to avoid loading not related index segments.
FTS should also support this, will add after #6305 been merged.