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fix: Corrected URI handling in SQLDatabaseComponent (#3291)

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Carlos Coelho 2024-08-12 19:45:13 -03:00 • committed by GitHub
commit dc419d11fd
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1 changed files with 8 additions and 5 deletions
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src/backend/base/langflow/components/langchain_utilities/SQLDatabase.py
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@ -1,6 +1,7 @@
from langchain_experimental.sql.base import SQLDatabase
from langchain_community.utilities.sql_database import SQLDatabase
from langflow.custom import CustomComponent
from sqlalchemy import create_engine
from sqlalchemy.pool import StaticPool
class SQLDatabaseComponent(CustomComponent):
@ -14,10 +15,12 @@ class SQLDatabaseComponent(CustomComponent):
}
def clean_up_uri(self, uri: str) -> str:
if uri.startswith("postgresql://"):
uri = uri.replace("postgresql://", "postgres://")
if uri.startswith("postgres://"):
uri = uri.replace("postgres://", "postgresql://")
return uri.strip()
def build(self, uri: str) -> SQLDatabase:
uri = self.clean_up_uri(uri)
return SQLDatabase.from_uri(uri)
# Create an engine using SQLAlchemy with StaticPool
engine = create_engine(uri, poolclass=StaticPool)
return SQLDatabase(engine)