django ORM雙下劃線彙總

雙下劃線

# 獲取個數

models.tb1.objects.
filter
(name=
'seven'
).count(
)# 大於，小於
models.tb1.objects.
filter
(id__gt=1)
# 獲取id大於1的值
models.tb1.objects.
filter
(id__gte=1)
# 獲取id大於等於1的值
models.tb1.objects.
filter
(id__lt=10)
# 獲取id小於10的值
models.tb1.objects.
filter
(id__lte=10)
# 獲取id小於10的值
models.tb1.objects.
filter
(id__lt=
10, id__gt=1)
# 獲取id大於1 且 小於10的值
# in
models.tb1.objects.
filter
(id__in=[11
,22,33
])# 獲取id等於11、22、33的資料
models.tb1.objects.exclude(id__in=[11
,22,33
])# not in
# isnull
entry.objects.
filter
(pub_date__isnull=
true
)# contains
models.tb1.objects.
filter
(name__contains=
"ven"
)models.tb1.objects.
filter
(name__icontains=
"ven"
)# icontains大小寫不敏感
models.tb1.objects.exclude(name__icontains=
"ven"
)# range
models.tb1.objects.
filter
(id__range=[1
,2])
# 範圍bettwen and
# 其他類似
以什麼開始：startswith,istartswith,
以什麼結尾：endswith, iendswith,
istartswith，iendswith：大小寫是不敏感的
order by
models.tb1.objects.
filter
(name=
'seven'
).order_by(
'id'
)# asc
models.tb1.objects.
filter
(name=
'seven'
).order_by(
'-id'
)# desc
group by
from django.db.models import count, min, max, sum
models.tb1.objects.
filter
(c1=1)
.values(
'id'
).annotate(c=count(
'num'))
."id"
, count(
."num"
."c1"=.
"id"
limit 、offset
models.tb1.objects.
all()[
10:20]
regex正則匹配，iregex 不區分大小寫
entry.objects.get(title__regex=r'^(an?|the) +'
)entry.objects.get(title__iregex=r'^(an?|the) +'
)date
entry.objects.
filter
(pub_date__date=datetime.date(
2005,1
,1))
entry.objects.
filter
(pub_date__date__gt=datetime.date(
2005,1
,1))
year
entry.objects.
filter
(pub_date__year=
2005
)entry.objects.
filter
(pub_date__year__gte=
2005
)month
entry.objects.
filter
(pub_date__month=12)
entry.objects.
filter
(pub_date__month__gte=6)
dayentry.objects.
filter
(pub_date__day=3)
entry.objects.
filter
(pub_date__day__gte=3)
week_day
entry.objects.
filter
(pub_date__week_day=2)
entry.objects.
filter
(pub_date__week_day__gte=2)
hour
event.objects.
filter
(timestamp__hour=23)
event.objects.
filter
(time__hour=5)
event.objects.
filter
(timestamp__hour__gte=12)
minute
event.objects.
filter
(timestamp__minute=29)
event.objects.
filter
(time__minute=46)
event.objects.
filter
(timestamp__minute__gte=29)
second
event.objects.
filter
(timestamp__second=31)
event.objects.
filter
(time__second=2)
event.objects.
filter
(timestamp__second__gte=
31)

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