GitHub user windpiger opened a pull request:
https://github.com/apache/spark/pull/16834
[WIP][SPARK-19488][SQL]fix csv infer schema when the field is Nan/Inf etc
## What changes were proposed in this pull request?
when csv infer schema, it does not use user defined csvoptions to parse the
field, such as `inf`, `-inf` which are should be parsed to DoubleType
this pr add `options.nanValue`, `options.negativeInf`,
`options.positiveIn` to check if the field is a DoubleType
## How was this patch tested?
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/windpiger/spark fixinferInfSchemaCsv
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16834.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 #16834
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commit 1e181bc12652f531a979ac32bafcd0a8f967d33e
Author: windpiger <[email protected]>
Date: 2017-02-07T15:05:22Z
[WIP][SPARK-19488][SQL]fix csv infer schema when the field is Nan/Inf etc
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