4.21.3

app/migrations/versions/2020_032012_4e4a759ac4b5_.py

@@ -0,0 +1,31 @@
+"""empty message
+
+Revision ID: 4e4a759ac4b5
+Revises: dbd80d290f04
+Create Date: 2020-03-20 12:12:45.699045
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '4e4a759ac4b5'
+down_revision = 'dbd80d290f04'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('alias_used_on', sa.Column('user_id', sa.Integer(), nullable=True))
+    op.create_foreign_key(None, 'alias_used_on', 'users', ['user_id'], ['id'], ondelete='cascade')
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'alias_used_on', type_='foreignkey')
+    op.drop_column('alias_used_on', 'user_id')
+    # ### end Alembic commands ###