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Posted to issues@hive.apache.org by "David Mollitor (Jira)" <ji...@apache.org> on 2019/10/21 22:52:00 UTC
[jira] [Updated] (HIVE-21303) Update TextRecordReader
[ https://issues.apache.org/jira/browse/HIVE-21303?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Mollitor updated HIVE-21303:
----------------------------------
Status: Open (was: Patch Available)
> Update TextRecordReader
> -----------------------
>
> Key: HIVE-21303
> URL: https://issues.apache.org/jira/browse/HIVE-21303
> Project: Hive
> Issue Type: Improvement
> Components: Query Processor
> Affects Versions: 4.0.0, 3.2.0
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Major
> Attachments: HIVE-21303.1.patch, HIVE-21303.2.patch
>
>
> Remove use of Deprecated {{org.apache.hadoop.mapred.LineRecordReader.LineReader}}
> For every call to {{next}}, the code dives into the configuration map to see if this feature is enabled. Just look it up once and cache the value.
> {code:java}
> public int next(Writable row) throws IOException {
> ...
> if (HiveConf.getBoolVar(conf, HiveConf.ConfVars.HIVESCRIPTESCAPE)) {
> return HiveUtils.unescapeText((Text) row);
> }
> return bytesConsumed;
> }
> {code}
> Other clean up.
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