GitHub user cloud-fan opened a pull request:
https://github.com/apache/spark/pull/14599
[SPARK-17013][SQL] handle corner case for negative integral literal
## What changes were proposed in this pull request?
Spark 2.0 parses negative numeric literals as the unary minus of positive
literals. This introduces problems for the edge cases such as
-9223372036854775809 being parsed as decimal instead of bigint.
This PR fixes it by make negative integral a direct literal in parser.
## How was this patch tested?
number-format.sql
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/cloud-fan/spark bug
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/14599.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 #14599
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commit 65f6d6ca5c6efad5eb5b80881b1e650fca7d2bec
Author: Wenchen Fan <wenc...@databricks.com>
Date: 2016-08-11T08:36:05Z
corner case for negative literal
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