Ubuntu 16.04 default mycli version is too low, Ctrl - r search function is not even history. He intended to look to upgrade mycli, the results took two hours to complete the upgrade.
Record it, into a domestic source code from github, python 2.7:
sudo pip install -i https://pypi.tuna.tsinghua.edu.cn/simple -U https://github.com/dbcli/mycli/archive/master.zip
