Added ID as pk

crc/models/data_store.py

@@ -6,7 +6,8 @@ from crc import db
 
 class DataStoreModel(db.Model):
     __tablename__ = 'data_store'
-    key = db.Column(db.String, primary_key=True)
+    id = db.Column(db.Integer, primary_key=True)
+    key = db.Column(db.String)
     workflow_id = db.Column(db.Integer)
     study_id = db.Column(db.Integer)
     task_id = db.Column(db.String)

migrations/versions/0718ad13e5f3_.py

@@ -19,9 +19,10 @@ depends_on = None
 def upgrade():
     # ### commands auto generated by Alembic - please adjust! ###
     op.create_table('data_store',
+    sa.Column('id', sa.Integer(), nullable=False),
     sa.Column('key', sa.String(), nullable=False),
     sa.Column('value', sa.String(), nullable=True),
-    sa.PrimaryKeyConstraint('key')
+    sa.PrimaryKeyConstraint('id')
     )
     # ### end Alembic commands ###