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gh-96168: Improve sqlite3 dict_factory example (#96457)
Co-authored-by: C.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM> Co-authored-by: Ezio Melotti <ezio.melotti@gmail.com>
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@ -601,25 +601,16 @@ Connection objects
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Example:
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.. testcode::
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.. doctest::
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def dict_factory(cursor, row):
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d = {}
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for idx, col in enumerate(cursor.description):
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d[col[0]] = row[idx]
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return d
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con = sqlite3.connect(":memory:")
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con.row_factory = dict_factory
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cur = con.execute("SELECT 1 AS a")
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print(cur.fetchone()["a"])
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con.close()
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.. testoutput::
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:hide:
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1
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>>> def dict_factory(cursor, row):
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... col_names = [col[0] for col in cursor.description]
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... return {key: value for key, value in zip(col_names, row)}
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>>> con = sqlite3.connect(":memory:")
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>>> con.row_factory = dict_factory
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>>> for row in con.execute("SELECT 1 AS a, 2 AS b"):
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... print(row)
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{'a': 1, 'b': 2}
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If returning a tuple doesn't suffice and you want name-based access to
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columns, you should consider setting :attr:`row_factory` to the
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