tree f48c588b1ba2d1d92176d20445ec7373fb2ede0f
parent 85d333c9f20bee03cdcc81d3f9e95836a476ddbf
author QiangCai <qiangcai@qq.com> 1582536678 +0800
committer Jacky Li <jacky.likun@qq.com> 1582559388 +0800

[Re-factory] Re-factory modules

Why is this PR needed?
there are too many spark-related modules.

What changes were proposed in this PR?
1. update docs
2. merge spark-common, spark2, spark-datasource and spark-common-test
into integration/spark
3. fix all testcases after moving modules

Does this PR introduce any user interface change?
No

Is any new testcase added?
No

This closes #3592