comment on HBaseSQLContext
Merge branch 'hbase' of https://github.com/Huawei-Spark/spark into hwhbase
refactory
Add testcases for Select and temporarily change some HBaseCatalog internal functions to public for testing-purpose
fix the compilation errors
fix a NPE when a table does not exist
Merge branch 'hbase' of https://github.com/Huawei-Spark/spark into hbase
Merge branch 'hbase' of https://github.com/Huawei-Spark/spark into blk
refactor
minor formate fix