7 examples of 'django iterate over queryset' in Python

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282def iterator(self, *args, **kwargs):
283 for obj in super(EasyQuerySet, self).iterator(*args, **kwargs):
284 yield EasyInstance(self._easymodel, obj)
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87def __iter__(self):
88 if self._result_cache is None:
89 self._iter = self.iterator()
90 self._result_cache = []
91 if self._iter:
92 return self._result_iter()
93 # Python's list iterator is better than our version when we're just
94 # iterating over the cache.
95 return iter(self._result_cache)
97def _result_iter(self):
98 pos = 0
99 while 1:
100 upper = len(self._result_cache)
101 while pos < upper:
102 yield self._result_cache[pos]
103 pos = pos + 1
104 if not self._iter:
105 raise StopIteration
106 if len(self._result_cache) <= pos:
107 self._fill_cache()
61def __iter__(self):
62 if self.result_cache is None:
63 with connection.cursor() as cursor:
64 cursor.execute(self.query, self.args)
65 self.result_cache = cursor.fetchall()
66 return iter(self.result_cache)
143def __iter__(self) -> Iterator[T]:
144 """Iterate through all models."""
145 return iter(self.objs)
43def iterator(self):
44 try:
45 key = self.generate_key()
46 # workaround for Django bug # 12717
47 except EmptyResultSet:
48 return
49 result_set = self.cache_backend.get(key)
50 if result_set is None:
51 logger.debug('cache miss for key {0}'.format(key))
52 result_set = list(super(CachingQuerySet, self).iterator())
53 self.cache_backend.set(key, result_set)
54 for result in result_set:
55 yield result
250def get_db_prep_value(self, value, connection, prepared=False):
251 if not prepared:
252 value = self.get_prep_value(value)
253 if value is None:
254 return None
255
256 # If the value is an empty iterable, store None
257 if value == self._iterable_type([]):
258 return None
259
260 return self._map(self.item_field_type.get_db_prep_save, value,
261 connection=connection)

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