mirror of https://github.com/django/django.git
30 lines
1.1 KiB
Python
30 lines
1.1 KiB
Python
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from django.db import models
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class Square(models.Model):
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root = models.IntegerField()
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square = models.PositiveIntegerField()
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def __unicode__(self):
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return "%s ** 2 == %s" % (self.root, self.square)
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__test__ = {'API_TESTS': """
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#4896: Test cursor.executemany
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>>> from django.db import connection
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>>> cursor = connection.cursor()
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>>> cursor.executemany('INSERT INTO BACKENDS_SQUARE (ROOT, SQUARE) VALUES (%s, %s)',
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... [(i, i**2) for i in range(-5, 6)]) and None or None
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>>> Square.objects.order_by('root')
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[<Square: -5 ** 2 == 25>, <Square: -4 ** 2 == 16>, <Square: -3 ** 2 == 9>, <Square: -2 ** 2 == 4>, <Square: -1 ** 2 == 1>, <Square: 0 ** 2 == 0>, <Square: 1 ** 2 == 1>, <Square: 2 ** 2 == 4>, <Square: 3 ** 2 == 9>, <Square: 4 ** 2 == 16>, <Square: 5 ** 2 == 25>]
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#4765: executemany with params=None or params=[] does nothing
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>>> cursor.executemany('INSERT INTO BACKENDS_SQUARE (ROOT, SQUARE) VALUES (%s, %s)', None) and None or None
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>>> Square.objects.count()
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11
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>>> cursor.executemany('INSERT INTO BACKENDS_SQUARE (ROOT, SQUARE) VALUES (%s, %s)', []) and None or None
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>>> Square.objects.count()
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11
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"""}
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