Add conditional->eval relationship in DB

Author: mbillow

migrations/versions/5615d58892a1_.py

@@ -0,0 +1,36 @@
+"""Allow for Spring and Intro eval relationships
+
+Revision ID: 5615d58892a1
+Revises: 6f6b843e2b8f
+Create Date: 2017-04-27 15:40:40.640402
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '5615d58892a1'
+down_revision = '6f6b843e2b8f'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('conditional', sa.Column('i_evaluation', sa.Integer(), nullable=True))
+    op.add_column('conditional', sa.Column('s_evaluation', sa.Integer(), nullable=True))
+    op.drop_constraint('conditional_evaluation_fkey', 'conditional', type_='foreignkey')
+    op.create_foreign_key(None, 'conditional', 'spring_evals', ['s_evaluation'], ['id'])
+    op.create_foreign_key(None, 'conditional', 'freshman_eval_data', ['i_evaluation'], ['id'])
+    op.drop_column('conditional', 'evaluation')
+    ### end Alembic commands ###
+
+
+def downgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('conditional', sa.Column('evaluation', sa.INTEGER(), autoincrement=False, nullable=True))
+    op.drop_constraint(None, 'conditional', type_='foreignkey')
+    op.drop_constraint(None, 'conditional', type_='foreignkey')
+    op.create_foreign_key('conditional_evaluation_fkey', 'conditional', 'spring_evals', ['evaluation'], ['id'])
+    op.drop_column('conditional', 's_evaluation')
+    op.drop_column('conditional', 'i_evaluation')
+    ### end Alembic commands ###

migrations/versions/6f6b843e2b8f_.py

@@ -0,0 +1,28 @@
+"""Add relation between Conditional and Eval
+
+Revision ID: 6f6b843e2b8f
+Revises: e72e5d4d71f2
+Create Date: 2017-04-26 19:44:14.159135
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '6f6b843e2b8f'
+down_revision = 'e72e5d4d71f2'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('conditional', sa.Column('evaluation', sa.Integer(), nullable=True))
+    op.create_foreign_key(None, 'conditional', 'spring_evals', ['evaluation'], ['id'])
+    ### end Alembic commands ###
+
+
+def downgrade():
+    ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'conditional', type_='foreignkey')
+    op.drop_column('conditional', 'evaluation')
+    ### end Alembic commands ###