Marios Trivyzas f3c207d27b SQL: Implement CURRENT_TIME/CURTIME functions ()
After `TIME` SQL data type is introduced, implement
`CURRENT_TIME/CURTIME` functions similarly to CURRENT_TIMESTAMP
that return the system's current time (only, without the date part).

Closes: 
(cherry picked from commit 9feede781409d0e264ce45951a25b28ff129b187)
2019-04-04 11:45:20 +02:00
..