blob: 2ad105634f71099f91e751fc0b90518ac80c6d22 (
plain)
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
|
"""
Create mRNA resources table
"""
from yoyo import step
__depends__ = {'20230410_01_8mwaf-create-linked-mrna-data-table'}
steps = [
step(
"""
CREATE TABLE IF NOT EXISTS mrna_resources
-- Link mRNA data to specific resource
(
group_id TEXT NOT NULL,
resource_id TEXT NOT NULL, -- A resource can have multiple items
data_link_id TEXT NOT NULL,
PRIMARY KEY (resource_id, data_link_id),
UNIQUE (data_link_id) -- ensure data is linked to single resource
FOREIGN KEY (group_id, resource_id)
REFERENCES resources(group_id, resource_id)
ON UPDATE CASCADE ON DELETE RESTRICT,
FOREIGN KEY (data_link_id) REFERENCES linked_mrna_data(data_link_id)
ON UPDATE CASCADE ON DELETE RESTRICT
) WITHOUT ROWID
""",
"DROP TABLE IF EXISTS mrna_resources")
]
|
