4.21.3

app/migrations/versions/2021_101111_2fbcad5527d7_.py

@@ -0,0 +1,34 @@
+"""empty message
+
+Revision ID: 2fbcad5527d7
+Revises: 0b1c9ea11aef
+Create Date: 2021-10-11 11:17:46.750252
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '2fbcad5527d7'
+down_revision = '0b1c9ea11aef'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column('users', sa.Column('alternative_id', sa.String(length=128), nullable=True))
+    op.create_unique_constraint(None, 'users', ['alternative_id'])
+
+    # set alternative_id to id
+    op.execute('UPDATE users SET alternative_id = id')
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'users', type_='unique')
+    op.drop_column('users', 'alternative_id')
+    # ### end Alembic commands ###