GitHub user HyukjinKwon opened a pull request:
https://github.com/apache/spark/pull/15292
[SPARK-17719][SQL] Unify and tie up options in a single place in JDBC
datasource package
## What changes were proposed in this pull request?
This PR proposes to fix arbitrary usages among `Map[String, String]`,
`Properties` and `JDBCOptions` instances in `execution/jdbc` package.
This PR includes some changes as below:
- Unify `Map[String, String]`, `Properties` and `JDBCOptions` in
`execution/jdbc` package to `JDBCOptions`.
- Move `batchsize`, `fetchszie`, `driver` and `isolationlevel` options into
`JDBCOptions` instance.
- Document `batchSize` and `isolationlevel` with marking both read-only
options and write-only options.
- Throw exceptions fast by checking arguments first rather than in
execution time (e.g. for `fetchsize`.
## How was this patch tested?
Existing tests should cover this.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/HyukjinKwon/spark SPARK-17719
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/15292.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 #15292
----
commit 53b2c3d86a4daec3fbd74a4d7b4da0737231ab6b
Author: hyukjinkwon <[email protected]>
Date: 2016-09-29T04:51:04Z
Unify and tie up options in a single place in JDBC datasource API
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