code format
*search:range

example'veda-schema:test_datetime0' > '2014-01-01T04:00:00' && 'veda-schema:test_datetime0' < '2014-01-03T04:00:00'

equals

'veda-schema:test_datetime0' == [2014-01-01T04:00:00, 2014-01-03T04:00:00]