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From " (JIRA)" <>
Subject [jira] [Commented] (HIVE-243) ^C breaks out of running query, but not whole CLI
Date Tue, 10 May 2011 21:57:47 GMT

] commented on HIVE-243:

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(Updated 2011-05-10 21:55:56.707055)

Review request for hive.


Fixed some white space formatting


Fixed by adding INT signal hander that interrupts the CLI thread. The CLI thread gets InterruptedException
and it stops the current command.

This addresses bug HIVE-243.

Diffs (updated)

  trunk/cli/src/java/org/apache/hadoop/hive/cli/ 1100312 
  trunk/common/src/java/org/apache/hadoop/hive/common/ PRE-CREATION

  trunk/common/src/java/org/apache/hadoop/hive/common/ PRE-CREATION

  trunk/metastore/src/java/org/apache/hadoop/hive/metastore/ 1100312 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ 1100312 
  trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/ 1100312 



Manual test Ctrl+C on bunch of command (show tables, select, etc)
Tested interrupting the command on large data set in different stages of the processing (JDO,
MapReduce, building the input summary).
example queries:
explain select count(*) from xyz where ds = '2011-02-01';
select count(*) from xyz where ds = '2011-02-01';



> ^C breaks out of running query, but not whole CLI
> -------------------------------------------------
>                 Key: HIVE-243
>                 URL:
>             Project: Hive
>          Issue Type: Wish
>          Components: Query Processor
>    Affects Versions: 0.8.0
>            Reporter: Adam Kramer
> It would be lovely if, when I know a query is bad, I could just ^C out of it. I can do
that now, but the whole CLI quits.
> It'd be quite nice if it took an extra ^C to break the CLI, or if there was some control
character to break out of a query without breaking out of the CLI.

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