[英]Static table in peewee
在表创建过程中,您可以填充性别表:
class Gender(Model):
label = CharField(primary_key=True)
class Meta:
database = db
def create_schema():
# Use an execution context to ensure the connection is closed when
# we're finished.
with db.execution_context():
db.create_tables([Gender, ...], True)
if not Gender.select().exists():
defaults = ['MALE', 'FEMALE', 'UNSPECIFIED']
Gender.insert_many([{'label': label} for label in defaults]).execute()
但是,在此示例中使Gender成为表格的唯一原因是,如果您计划在运行时动态添加新的Gender标签。 如果值的集合是固定的,那么我认为您最好这样做:
class Person(Model):
GENDER_MALE = 'M'
GENDER_FEMALE = 'F'
GENDER_UNSPECIFIED = 'U'
name = CharField()
gender = CharField()
# Then, simply:
Person.create(name='Huey', gender=Person.GENDER_MALE)
Person.create(name='Zaizee', gender=Person.GENDER_UNSPECIFIED)
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