GitHub user cenyuhai opened a pull request:
https://github.com/apache/spark/pull/15014
[SPARK-17429][SQL] use ImplicitCastInputTypes with function Length
## What changes were proposed in this pull request?
select length(11);
select length(2.0);
these sql will return errors, but hive is ok.
this PR will support casting input types implicitly for function length
the correct result is:
select length(11) return 2
select length(2.0) return 3
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cenyuhai/spark SPARK-17429
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15014.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #15014
commit 869eaaf23f79eefbc6a8ff7a7b9efbc4a9f8c6b7
Author: å²çæµ· <261810...@qq.com>
Date: 2016-08-21T03:55:04Z
Merge pull request #8 from apache/master
merge latest code to my fork
commit b6b0d0a41c1aa59bc97a0aa438619d903b78b108
Author: å²çæµ· <261810...@qq.com>
Date: 2016-09-06T03:03:08Z
Merge pull request #9 from apache/master
Merge latest code to my fork
commit abd7924eab25b6dfdfd78c23a78dadcb3b9fbe1e
Author: å²çæµ· <261810...@qq.com>
Date: 2016-09-08T17:10:12Z
Merge pull request #10 from apache/master
Merge latest code to my fork
commit 51fe8a1d141f700a2b417878c1c19af25d922198
Author: cenyuhai
Date: 2016-09-08T17:46:37Z
use ImplicitCastInputTypes for Length
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