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Other 2021-09-21 04:15:02
magento 1 setup add foreign key
->addForeignKey( $installer->getFkName('namespace_module/shop', 'area_id', 'namespace_module/area','area_id'), 'area_id', $installer->getTable('namespace_module/area'), 'area_id', Varien_Db_Ddl_Table::ACTION_CASCADE, ... Add solution -
Python 2021-09-16 20:28:01
django many to one field
To handle One-To-Many relationships in Django you need to use ForeignKey. The documentation on ForeignKey is very comprehensive and should answer all the questions you have: https://docs.djangoproject.com/en/dev/ref/models/fields/#foreignkey The curren... Add solution -
SQL 2021-09-14 11:11:02
db.relationship sqlalchemy flask
class Person(db.Model): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(50), nullable=False) addresses = db.relationship('Address', backref='person', lazy=True) class Address(db.Model): id = db.Column(db.Integer, p... Add solution -
Python 2021-09-13 01:30:01
how to filter queryset with foreign key in django
# *********** how to filter queryset with django foreign keys ********** # in models.py file class BookedEvent(models.Model): user = models.ForeignKey(User, on_delete=models.CASCADE) event = models.ForeignKey(Events, on_delete=models.CASCADE) ... Add solution -
Python 2021-09-11 09:35:02
filter foreign fileds django_filters
# *********** how to filter queryset with django foreign keys ********** # in models.py file class BookedEvent(models.Model): user = models.ForeignKey(User, on_delete=models.CASCADE) event = models.ForeignKey(Events, on_delete=models.CASCADE) ... Add solution -
Other 2021-09-10 03:42:01
trncate table with relationships
SET NOCOUNT ON GO DECLARE @table TABLE( RowId INT PRIMARY KEY IDENTITY(1, 1), ForeignKeyConstraintName NVARCHAR(200), ForeignKeyConstraintTableSchema NVARCHAR(200), ForeignKeyConstraintTableName NVARCHAR(200), ForeignKeyConstraintColumnName NVARCHAR(200)... Add solution