GitHub user twalthr opened a pull request:
https://github.com/apache/flink/pull/2529
[FLINK-4241] [table] Cryptic expression parser exceptions
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This PR improves the error message of the `ExpressionParser`. I tried my
best but it is not easy to improve the message as we are using `RegexParsers`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/twalthr/flink FLINK-4241
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/flink/pull/2529.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 #2529
commit 7d8d69f8b52983ccf078adfa2a78bf0855ec7cf9
Author: twalthr
Date: 2016-09-21T15:12:31Z
[FLINK-4241] [table] Cryptic expression parser exceptions
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