GitHub user SharpRay opened a pull request:
https://github.com/apache/spark/pull/18451
[SPARK-18004][SQL] Make sure the date or timestamp related predicate can be
pushed down to Oracle correctly
## What changes were proposed in this pull request?
Move `compileValue` method in JDBCRDD to JdbcDialect, and override the
`compileValue` method in OracleDialect to rewrite the Oracle-specific timestamp
and date literals in where clause.
## How was this patch tested?
An integration test has been added.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/SharpRay/spark extend-compileValue-to-dialects
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18451.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 #18451
----
commit 770bf9c80a3f0411d97fa397b2e162af76d9a022
Author: Rui Zha <[email protected]>
Date: 2017-06-28T08:37:31Z
[SPARK-18006][SQL] Make sure date or timestamp related predicate is pushed
down correctly
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