gettablelock

We have vietablelocks and cleartablelocks commands

If we need an explicit columnstore lock without table lock on mariadb level,
so it is only possible to run a "fake" cpimport run on the table.

Like "lock table tablename" on mariadb , an intentionally lock should be possible.

gettablelock

which creates a table lock, which can unset with cleartablelock.