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use .rollback() after read-only transaction on pgvector to avoid infinitely idle transactions (and errors in certain scenarios)

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Jan Kessler 2025-08-09 19:10:42 +02:00
parent 4485c7a5d2
commit 3a9601c053
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1 changed files with 8 additions and 0 deletions
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8
backend/open_webui/retrieval/vector/dbs/pgvector.py
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@ -421,10 +421,12 @@ class PgvectorClient(VectorDBBase):
documents[qid].append(row.text)
metadatas[qid].append(row.vmetadata)
self.session.rollback() # read-only transaction
return SearchResult(
ids=ids, distances=distances, documents=documents, metadatas=metadatas
)
except Exception as e:
self.session.rollback()
log.exception(f"Error during search: {e}")
return None
@ -477,12 +479,14 @@ class PgvectorClient(VectorDBBase):
documents = [[result.text for result in results]]
metadatas = [[result.vmetadata for result in results]]
self.session.rollback() # read-only transaction
return GetResult(
ids=ids,
documents=documents,
metadatas=metadatas,
)
except Exception as e:
self.session.rollback()
log.exception(f"Error during query: {e}")
return None
@ -523,8 +527,10 @@ class PgvectorClient(VectorDBBase):
documents = [[result.text for result in results]]
metadatas = [[result.vmetadata for result in results]]
self.session.rollback() # read-only transaction
return GetResult(ids=ids, documents=documents, metadatas=metadatas)
except Exception as e:
self.session.rollback()
log.exception(f"Error during get: {e}")
return None
@ -592,8 +598,10 @@ class PgvectorClient(VectorDBBase):
.first()
is not None
)
self.session.rollback() # read-only transaction
return exists
except Exception as e:
self.session.rollback()
log.exception(f"Error checking collection existence: {e}")
return False