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fix: stop rerank by model when search result is empty (#4203)

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### What problem does this PR solve?


stop rerank by model when search result is empty, otherwise rerank may
raise an error (qwen).

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

Co-authored-by: 刘博 <liubo@ynby.cn>
This commit is contained in:
Bo Liu 2024-12-24 14:33:46 +08:00 committed by GitHub
parent 76cd23eecf
commit 321e9f3719
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1 changed files with 1 additions and 1 deletions
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rag/nlp/search.py
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@ -313,7 +313,7 @@ class Dealer:
ranks["total"] = sres.total
if page <= RERANK_PAGE_LIMIT:
if rerank_mdl:
if rerank_mdl and sres.total > 0:
sim, tsim, vsim = self.rerank_by_model(rerank_mdl,
sres, question, 1 - vector_similarity_weight, vector_similarity_weight)
else: