diff options
Diffstat (limited to 'migrations/auth/20230410_02_WZqSf-create-mrna-resources-table.py')
-rw-r--r-- | migrations/auth/20230410_02_WZqSf-create-mrna-resources-table.py | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/migrations/auth/20230410_02_WZqSf-create-mrna-resources-table.py b/migrations/auth/20230410_02_WZqSf-create-mrna-resources-table.py new file mode 100644 index 0000000..2ad1056 --- /dev/null +++ b/migrations/auth/20230410_02_WZqSf-create-mrna-resources-table.py @@ -0,0 +1,28 @@ +""" +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") +] |