GitHub user viirya opened a pull request:
https://github.com/apache/spark/pull/11168
[SPARK-13277][SQL] ANTLR ignores other rule using the USING keyword
JIRA: https://issues.apache.org/jira/browse/SPARK-13277
There is an ANTLR warning during compilation:
warning(200):
org/apache/spark/sql/catalyst/parser/SparkSqlParser.g:938:7:
Decision can match input such as "KW_USING Identifier" using multiple
alternatives: 2, 3
As a result, alternative(s) 3 were disabled for that input
This patch is to fix it.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/viirya/spark-1 fix-parser-using
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/11168.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 #11168
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commit 4cb9d2a0401d10277195c7853999cc89a0853abd
Author: Liang-Chi Hsieh <vii...@gmail.com>
Date: 2016-02-11T07:49:42Z
Fix an ANTLR warning during compilation.
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