f4a5152337aa_reduce_size_of_email.py 文件源码

def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('user', 'email',
               existing_type=sa.String(length=75),
               type_=mysql.VARCHAR(length=255),
               existing_nullable=False)
    # ### end Alembic commands ###