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"""
Create phenotype_resources table
"""
from yoyo import step
__depends__ = {'20230322_01_0dDZR-create-linked-phenotype-data-table'}
steps = [
step(
"""
CREATE TABLE IF NOT EXISTS phenotype_resources
-- Link phenotype data to specific resources
(
group_id TEXT NOT NULL,
resource_id TEXT NOT NULL, -- A resource can have multiple data items
data_link_id TEXT NOT NULL,
PRIMARY KEY(group_id, resource_id, data_link_id),
UNIQUE (data_link_id), -- ensure data is linked to only one 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_phenotype_data(data_link_id)
ON UPDATE CASCADE ON DELETE RESTRICT
) WITHOUT ROWID
""",
"DROP TABLE IF EXISTS phenotype_resources")
]
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