fix hbase/rocksdb shard bug

[zhoney]

Change-Id: Ifce3d450712104c067a57c361351c9e047bc0cfa

[codecov]

Codecov Report

Merging #1306 (c36d768) into master (f0d1146) will increase coverage by 0.22%.
The diff coverage is 80.00%.

@@             Coverage Diff              @@
##             master    #1306      +/-   ##
============================================
+ Coverage     62.11%   62.33%   +0.22%     
  Complexity     5772     5772              
============================================
  Files           377      377              
  Lines         31501    31502       +1     
  Branches       4413     4412       -1     
============================================
+ Hits          19566    19638      +72     
+ Misses         9946     9871      -75     
- Partials       1989     1993       +4     

Impacted Files	Coverage Δ	Complexity Δ
...om/baidu/hugegraph/backend/store/BackendTable.java	73.33% <75.00%> (+48.50%)	11.00 <0.00> (ø)
...aidu/hugegraph/backend/store/hbase/HbaseTable.java	78.75% <100.00%> (ø)	37.00 <0.00> (ø)
...a/com/baidu/hugegraph/backend/query/Condition.java	78.38% <0.00%> (-0.37%)	32.00% <0.00%> (ø%)

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[javeme]

is the test not covered? prefer to add one test case