log
Merge remote-tracking branch 'origin/i20' into i20
.
log
XARowKeyConditionFilterTest
Merge branch 'i20' of github.com:XingCloud/incubator-drill into i20
&& befor and ; patterns not duplicate
and opeartion supports multi operators
Merge branch 'i20' into i36
Merge remote-tracking branch 'origin/i20' into i20
log for time cost in readers
Merge branch 'i20' into i36