fix query limit error after deleting some records

[javeme]

Change-Id: I2f97c117d04d53ae3d0fe4ae9be0ea54c843b728

[codecov]

Codecov Report

Merging #610 into master will decrease coverage by 0.77%.
The diff coverage is 80%.

@@             Coverage Diff              @@
##             master     #610      +/-   ##
============================================
- Coverage     71.38%   70.61%   -0.78%     
+ Complexity     3518     3487      -31     
============================================
  Files           216      216              
  Lines         16643    16647       +4     
  Branches       2372     2374       +2     
============================================
- Hits          11881    11755     -126     
- Misses         3515     3645     +130     
  Partials       1247     1247

Impacted Files	Coverage Δ	Complexity Δ
...gegraph/backend/store/memory/InMemoryDBTables.java	76.6% <100%> (ø)	0 <0> (ø)	⬇️
...m/baidu/hugegraph/backend/tx/GraphTransaction.java	82.65% <75%> (+0.1%)	214 <5> (+4)	⬆️
...baidu/hugegraph/backend/store/mysql/MysqlUtil.java	15.09% <0%> (-47.17%)	3% <0%> (-9%)
...egraph/backend/store/mysql/MysqlStoreProvider.java	58.33% <0%> (-33.34%)	3% <0%> (-4%)
...aidu/hugegraph/backend/store/mysql/MysqlStore.java	62.42% <0%> (-16.19%)	36% <0%> (-1%)
...idu/hugegraph/backend/store/mysql/MysqlTables.java	72.72% <0%> (-14.15%)	0% <0%> (-1%)
...u/hugegraph/backend/store/mysql/MysqlSessions.java	58.01% <0%> (-11.61%)	12% <0%> (-8%)
...aidu/hugegraph/backend/store/mysql/MysqlTable.java	71.47% <0%> (-8.06%)	63% <0%> (-10%)
...hugegraph/backend/store/mysql/MysqlSerializer.java	81.03% <0%> (-1.73%)	19% <0%> (-1%)
... and 1 more

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