# 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
## startswith，istartswith, endswith, iendswith,
# 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'))
# 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)
# day
## entry.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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