sql migration

migrations/versions/2020_070423_270d598c51e3_.py

@@ -0,0 +1,44 @@
+"""empty message
+
+Revision ID: 270d598c51e3
+Revises: 7128f87af701
+Create Date: 2020-07-04 23:32:25.297082
+
+"""
+import sqlalchemy_utils
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = '270d598c51e3'
+down_revision = '7128f87af701'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('public_domain',
+    sa.Column('id', sa.Integer(), autoincrement=True, nullable=False),
+    sa.Column('created_at', sqlalchemy_utils.types.arrow.ArrowType(), nullable=False),
+    sa.Column('updated_at', sqlalchemy_utils.types.arrow.ArrowType(), nullable=True),
+    sa.Column('domain', sa.String(length=128), nullable=False),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('domain')
+    )
+    op.add_column('users', sa.Column('default_random_alias_public_domain_id', sa.Integer(), nullable=True))
+    op.drop_constraint('users_default_random_alias_domain_id_fkey', 'users', type_='foreignkey')
+    op.create_foreign_key(None, 'users', 'custom_domain', ['default_random_alias_domain_id'], ['id'], ondelete='SET NULL')
+    op.create_foreign_key(None, 'users', 'public_domain', ['default_random_alias_public_domain_id'], ['id'], ondelete='SET NULL')
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_constraint(None, 'users', type_='foreignkey')
+    op.drop_constraint(None, 'users', type_='foreignkey')
+    op.create_foreign_key('users_default_random_alias_domain_id_fkey', 'users', 'custom_domain', ['default_random_alias_domain_id'], ['id'])
+    op.drop_column('users', 'default_random_alias_public_domain_id')
+    op.drop_table('public_domain')
+    # ### end Alembic commands ###