1 files changed, 29 insertions, 0 deletions
diff --git a/migrations/auth/20230322_02_Ll854-create-phenotype-resources-table.py b/migrations/auth/20230322_02_Ll854-create-phenotype-resources-table.py
new file mode 100644
index 0000000..7c9e986
--- /dev/null
+++ b/migrations/auth/20230322_02_Ll854-create-phenotype-resources-table.py
@@ -0,0 +1,29 @@
+"""
+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")
+]