GitHub user rdblue opened a pull request:
https://github.com/apache/spark/pull/16107
SPARK-18677: Fix parsing ['key'] in JSON path expressions.
## What changes were proposed in this pull request?
This fixes the parser rule to match named expressions, which doesn't work
for two reasons:
1. The name match is not coerced to a regular expression (missing .r)
2. The surrounding literals are incorrect and attempt to escape a single
quote, which is unnecessary
## How was this patch tested?
This adds test cases for named expressions using the bracket syntax,
including one with quoted spaces.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rdblue/spark SPARK-18677-fix-json-path
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16107.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 #16107
----
commit 1c0cc097c5ee6f35da6fab732d7e7408d6306d1e
Author: Ryan Blue <b...@apache.org>
Date: 2016-12-01T20:24:58Z
SPARK-18677: Fix parsing ['key'] in JSON path expressions.
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