zalupka

models/product.py

@@ -1,7 +1,11 @@
-from sqlalchemy import Column, Integer, String, ForeignKey
+from sqlalchemy import Column, Integer, String, ForeignKey, Sequence
 from sqlalchemy.orm import relationship
 
-from models import BaseModel
+from models import BaseModel, metadata
+
+deal_rank_seq = Sequence('test_ochko', start=1, increment=1, metadata=metadata)
+
+sequence = Sequence('my_sequence_name')
 
 
 class Product(BaseModel):
@@ -13,6 +17,7 @@ class Product(BaseModel):
     client_id = Column(Integer, ForeignKey('clients.id'), nullable=False, comment='ID сделки')
     client = relationship('Client', back_populates='products')
     barcodes = relationship('ProductBarcode', back_populates='product', cascade="all, delete-orphan")
+    my_column = Column(Integer, sequence)
 
 
 class ProductBarcode(BaseModel):