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author | Cheng Hao <hao.cheng@intel.com> | 2015-01-21 13:05:56 -0800 |
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committer | Michael Armbrust <michael@databricks.com> | 2015-01-21 13:05:56 -0800 |
commit | 8361078efae7d79742d6be94cf5a15637ec860dd (patch) | |
tree | 8725739ba1d9015e1276ba3ddeae3c9c89d0f207 /mllib | |
parent | 812d3679f5f97df7b667cbc3365a49866ebc02d5 (diff) | |
download | spark-8361078efae7d79742d6be94cf5a15637ec860dd.tar.gz spark-8361078efae7d79742d6be94cf5a15637ec860dd.tar.bz2 spark-8361078efae7d79742d6be94cf5a15637ec860dd.zip |
[SPARK-5009] [SQL] Long keyword support in SQL Parsers
* The `SqlLexical.allCaseVersions` will cause `StackOverflowException` if the key word is too long, the patch will fix that by normalizing all of the keywords in `SqlLexical`.
* And make a unified SparkSQLParser for sharing the common code.
Author: Cheng Hao <hao.cheng@intel.com>
Closes #3926 from chenghao-intel/long_keyword and squashes the following commits:
686660f [Cheng Hao] Support Long Keyword and Refactor the SQLParsers
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