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fix: Compatible with special characters in pg full-text search. (#8921)

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Co-authored-by: Aurelius Huang <cm.huang@aftership.com>
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Aurelius Huang 2024-09-30 16:32:23 +08:00 committed by GitHub
parent 13046709a9
commit 4585cffce1
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api/core/rag/datasource/vdb/pgvector/pgvector.py
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@ -166,7 +166,7 @@ class PGVector(BaseVector):
with self._get_cursor() as cur: with self._get_cursor() as cur:
cur.execute( cur.execute(
f"""SELECT meta, text, ts_rank(to_tsvector(coalesce(text, '')), to_tsquery(%s)) AS score f"""SELECT meta, text, ts_rank(to_tsvector(coalesce(text, '')), plainto_tsquery(%s)) AS score
FROM {self.table_name} FROM {self.table_name}
WHERE to_tsvector(text) @@ plainto_tsquery(%s) WHERE to_tsvector(text) @@ plainto_tsquery(%s)
ORDER BY score DESC ORDER BY score DESC