text: """Initial Migration
  
  Revision ID: e0db4a4bded5
  Revises: e6fe05f9afbc
  Create Date: 2021-11-10 00:07:43.438481
  
  """
  from alembic import op
  import sqlalchemy as sa
  
  
  # revision identifiers, used by Alembic.
  revision = 'e0db4a4bded5'
  down_revision = 'e6fe05f9afbc'
  branch_labels = None
  depends_on = None
  
  
  def upgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.add_column('users', sa.Column('username', sa.String(length=200), nullable=True))
      op.create_index(op.f('ix_users_username'), 'users', ['username'], unique=False)
      # ### end Alembic commands ###
  
  
  def downgrade():
      # ### commands auto generated by Alembic - please adjust! ###
      op.drop_index(op.f('ix_users_username'), table_name='users')
      op.drop_column('users', 'username')
      # ### end Alembic commands ###
  