-
Notifications
You must be signed in to change notification settings - Fork 1.1k
Expand file tree
/
Copy pathorm.py
More file actions
45 lines (39 loc) · 1.05 KB
/
orm.py
File metadata and controls
45 lines (39 loc) · 1.05 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
from sqlalchemy import (
Column,
Date,
ForeignKey,
Integer,
MetaData,
String,
Table,
UniqueConstraint,
)
from sqlalchemy.orm import mapper, relationship
from domain import model
metadata = MetaData()
order_lines = Table(
"order_lines",
metadata,
Column("id", Integer, primary_key=True, autoincrement=True),
Column("sku", String(255)),
Column("qty", Integer, nullable=False),
Column("orderid", String(255)),
UniqueConstraint("orderid", "sku", "qty"),
)
batches = Table(
"batches",
metadata,
Column("id", Integer, primary_key=True, autoincrement=True),
Column("ref", String(255)),
Column("sku", String(255)),
Column("_purchased_quantity", Integer, nullable=False),
Column("eta", Date, nullable=True),
)
allocations = Table(
"allocations",
metadata,
Column("id", Integer, primary_key=True, autoincrement=True),
Column("orderline_id", ForeignKey("order_lines.id")),
Column("batch_id", ForeignKey("batches.id")),
UniqueConstraint("orderline_id", "batch_id")
)