elenst@xenial:~$ sudo apt-get remove mariadb-plugin-columnstore

Reading package lists... Done

Building dependency tree       

Reading state information... Done

The following packages were automatically installed and are no longer required:

  libboost-atomic1.58.0 libboost-chrono1.58.0 libboost-regex1.58.0 libboost-thread1.58.0 libjemalloc1 libsnappy1v5

  snapd-login-service

Use 'sudo apt autoremove' to remove them.

The following packages will be REMOVED:

  mariadb-plugin-columnstore

0 upgraded, 0 newly installed, 1 to remove and 4 not upgraded.

After this operation, 32,3 MB disk space will be freed.

Do you want to continue? [Y/n] y

(Reading database ... 213650 files and directories currently installed.)

Removing mariadb-plugin-columnstore (1:10.5.4+maria~xenial) ...

ERROR 1064 (42000) at line 1: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '2' at line 1

Mariab Columnstore uninstall completed

200620  2:59:55      4 Connect  root@localhost on  using Socket

                     4 Query    DROP DATABASE IF EXISTS infinidb_querystats

                     4 Quit     

                     5 Connect  root@localhost on  using Socket

                     5 Query    DELETE FROM mysql.func WHERE dl="libcalmysql.so"

                     5 Quit     

                     6 Connect  root@localhost on  using Socket

                     6 Query    DROP DATABASE IF EXISTS calpontsys

                     6 Quit     

                     7 Connect  root@localhost on  using Socket

                     7 Query    DROP PROCEDURE IF EXISTS infinidb_querystats.calSetUserPriority

                     7 Quit     

                     8 Connect  root@localhost on  using Socket

                     8 Query    DROP PROCEDURE IF EXISTS infinidb_querystats.calRemoveUserPriority(IN host VARCHAR(50), IN usr VARCHAR(50))

                     8 Quit     

                     9 Connect  root@localhost on  using Socket

                     9 Query    DROP PROCEDURE IF EXISTS infinidb_querystats.calShowProcessList

                     9 Query    2

                     9 Quit     

                    10 Connect  root@localhost on  using Socket

                    10 Query    DROP DATABASE IF EXISTS columnstore_info

                    10 Quit