map indexlabel various range types to RANGE

[zhoney]

Change-Id: I0e3d241de3bef100a3d789486c3eae96d203b791

[codecov]

Codecov Report

Merging #628 into master will increase coverage by 0.82%.
The diff coverage is 0%.

@@             Coverage Diff              @@
##             master     #628      +/-   ##
============================================
+ Coverage     71.56%   72.38%   +0.82%     
- Complexity     3707     3740      +33     
============================================
  Files           218      218              
  Lines         17293    17296       +3     
  Branches       2437     2437              
============================================
+ Hits          12375    12520     +145     
+ Misses         3636     3495     -141     
+ Partials       1282     1281       -1

Impacted Files	Coverage Δ	Complexity Δ
...java/com/baidu/hugegraph/schema/SchemaElement.java	80% <0%> (-5.72%)	18 <0> (ø)
...du/hugegraph/backend/tx/GraphIndexTransaction.java	80.72% <0%> (+0.41%)	166% <0%> (ø)	⬇️
...hugegraph/backend/store/mysql/MysqlSerializer.java	82.75% <0%> (+1.72%)	20% <0%> (+1%)	⬆️
...aidu/hugegraph/backend/store/mysql/MysqlTable.java	79.86% <0%> (+8.05%)	74% <0%> (+10%)	⬆️
...u/hugegraph/backend/store/mysql/MysqlSessions.java	69.61% <0%> (+11.6%)	20% <0%> (+8%)	⬆️
...idu/hugegraph/backend/store/mysql/MysqlTables.java	88.5% <0%> (+13.4%)	1% <0%> (ø)	⬇️
...aidu/hugegraph/backend/store/mysql/MysqlStore.java	79.09% <0%> (+18.07%)	37% <0%> (+1%)	⬆️
...egraph/backend/store/mysql/MysqlStoreProvider.java	91.66% <0%> (+33.33%)	7% <0%> (+4%)	⬆️
...baidu/hugegraph/backend/store/mysql/MysqlUtil.java	62.26% <0%> (+47.16%)	12% <0%> (+9%)	⬆️

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