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  • Committer: Bazaar Package Importer
  • Author(s): Scott James Remnant
  • Date: 2008-11-15 19:15:33 UTC
  • mto: This revision was merged to the branch mainline in revision 17.
  • Revision ID: james.westby@ubuntu.com-20081115191533-84v2zyjbmp1074ni
Tags: upstream-1.0.1
ImportĀ upstreamĀ versionĀ 1.0.1

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from django.db import models
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from django.db import connection
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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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class Person(models.Model):
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    first_name = models.CharField(max_length=20)
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    last_name = models.CharField(max_length=20)
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    def __unicode__(self):
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        return u'%s %s' % (self.first_name, self.last_name)
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qn = connection.ops.quote_name
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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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>>> opts = Square._meta
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>>> f1, f2 = opts.get_field('root'), opts.get_field('square')
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>>> query = ('INSERT INTO %s (%s, %s) VALUES (%%s, %%s)'
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...         % (connection.introspection.table_name_converter(opts.db_table), qn(f1.column), qn(f2.column)))
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>>> cursor.executemany(query, [(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=[] does nothing
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>>> cursor.executemany(query, []) and None or None
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>>> Square.objects.count()
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#6254: fetchone, fetchmany, fetchall return strings as unicode objects
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>>> Person(first_name="John", last_name="Doe").save()
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>>> Person(first_name="Jane", last_name="Doe").save()
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>>> Person(first_name="Mary", last_name="Agnelline").save()
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>>> Person(first_name="Peter", last_name="Parker").save()
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>>> Person(first_name="Clark", last_name="Kent").save()
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>>> opts2 = Person._meta
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>>> f3, f4 = opts2.get_field('first_name'), opts2.get_field('last_name')
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>>> query2 = ('SELECT %s, %s FROM %s ORDER BY %s'
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...          % (qn(f3.column), qn(f4.column), connection.introspection.table_name_converter(opts2.db_table),
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...             qn(f3.column)))
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>>> cursor.execute(query2) and None or None
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>>> cursor.fetchone()
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(u'Clark', u'Kent')
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>>> list(cursor.fetchmany(2))
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[(u'Jane', u'Doe'), (u'John', u'Doe')]
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>>> list(cursor.fetchall())
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[(u'Mary', u'Agnelline'), (u'Peter', u'Parker')]
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"""}