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Add executemany & execute_batch examples

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Hannes 2022-10-10 19:08:46 +02:00 committed by GitHub
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commit aabac5df31
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2 changed files with 12 additions and 0 deletions
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6
doc/src/cursor.rst
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@ -208,6 +208,12 @@ The ``cursor`` class
Parameters are bounded to the query using the same rules described in Parameters are bounded to the query using the same rules described in
the `~cursor.execute()` method. the `~cursor.execute()` method.
>>> nums = ((1,), (5,), (10,))
>>> cur.executemany("INSERT INTO test (num) VALUES (%s)", nums)
>>> tuples = ((123, "foo"), (42, "bar"), (23, "baz"))
>>> cur.executemany("INSERT INTO test (num, data) VALUES (%s, %s)", tuples)
.. warning:: .. warning::
In its current implementation this method is not faster than In its current implementation this method is not faster than
executing `~cursor.execute()` in a loop. For better performance executing `~cursor.execute()` in a loop. For better performance

6
doc/src/extras.rst
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@ -1029,6 +1029,12 @@ parameters. By reducing the number of server roundtrips the performance can be
.. autofunction:: execute_batch .. autofunction:: execute_batch
>>> nums = ((1,), (5,), (10,))
>>> execute_batch(cur, "INSERT INTO test (num) VALUES (%s)", nums)
>>> tuples = ((123, "foo"), (42, "bar"), (23, "baz"))
>>> execute_batch(cur, "INSERT INTO test (num, data) VALUES (%s, %s)", tuples)
.. versionadded:: 2.7 .. versionadded:: 2.7
.. note:: .. note::