[cherry-pick] make tispark reading data from a hash partition table

[marsishandsome]

cherry-pick #966

[marsishandsome]

/run-all-tests

[codecov-io]

Codecov Report

❗ No coverage uploaded for pull request base (release-2.1@890d175). Click here to learn what that means.
The diff coverage is 33.33%.

@@              Coverage Diff              @@
##             release-2.1   #1089   +/-   ##
=============================================
  Coverage               ?   53.4%           
  Complexity             ?    1122           
=============================================
  Files                  ?     153           
  Lines                  ?    7024           
  Branches               ?     817           
=============================================
  Hits                   ?    3751           
  Misses                 ?    2900           
  Partials               ?     373

Impacted Files	Coverage Δ	Complexity Δ
...ain/java/com/pingcap/tikv/meta/TiPartitionDef.java	81.81% <33.33%> (ø)	4 <0> (?)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 890d175...8425b50. Read the comment docs.