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Raise on SQLAlchemy minimal version violation Issue #57178 #62751

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Merged
merged 3 commits into from
Oct 22, 2025
Merged

Raise on SQLAlchemy minimal version violation Issue #57178 #62751

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c93caef
Adjusted import and error message behavior based on types
SoulofAkuma Oct 19, 2025
17e23db
Revert "Adjusted import and error message behavior based on types"
SoulofAkuma Oct 22, 2025
36b3060
Improve sqlalchemy Error Message
SoulofAkuma Oct 22, 2025
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10 changes: 8 additions & 2 deletions pandas/io/sql.py
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,10 @@
from pandas._config import using_string_dtype

from pandas._libs import lib
from pandas.compat._optional import import_optional_dependency
from pandas.compat._optional import (
VERSIONS,
import_optional_dependency,
)
from pandas.errors import (
AbstractMethodError,
DatabaseError,
Expand Down Expand Up @@ -898,7 +901,10 @@ def pandasSQL_builder(
sqlalchemy = import_optional_dependency("sqlalchemy", errors="ignore")

if isinstance(con, str) and sqlalchemy is None:
raise ImportError("Using URI string without sqlalchemy installed.")
raise ImportError(
f"Using URI string without version '{VERSIONS['sqlalchemy']}' or newer "
"of 'sqlalchemy' installed."
)

if sqlalchemy is not None and isinstance(con, (str, sqlalchemy.engine.Connectable)):
return SQLDatabase(con, schema, need_transaction)
Expand Down
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