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Posted to dev@hive.apache.org by Syed Albiz <s....@gmail.com> on 2011/08/19 10:10:32 UTC

Review Request: HIVE-1953: Hive should process comments in CliDriver

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/1587/
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Review request for hive and Yongqiang He.


Summary
-------

skip comments in cliDriver.main() instead of passing down to command processors.


This addresses bug HIVE-1953.
    https://issues.apache.org/jira/browse/HIVE-1953


Diffs
-----

  cli/src/java/org/apache/hadoop/hive/cli/CliDriver.java a2976b5 

Diff: https://reviews.apache.org/r/1587/diff


Testing
-------

tested build, since the test suite goes through driver, adding a query file test case did not work.


Thanks,

Syed


Re: Review Request: HIVE-1953: Hive should process comments in CliDriver

Posted by Syed Albiz <s....@gmail.com>.

> On 2011-08-19 21:08:09, Charles Chen wrote:
> > Currently if you type something like
> > 
> > EXPLAIN SELECT "abcd
> > --
> > efgh" as field from invites;
> > 
> > the string "abcd\n--\nefgh"with the newlines is accepted--this diff removes the line with the "--" which seems incorrect.

Good point. Similarly, if you try something like EXPLAIN SELECT "abcd;
it fails right now because the cliDriver tokenizes end of statements on semi-colons. The problem here is that cliDriver only partially tokenizes the input before passing it to the Driver which tokenizes things correctly. There is a workaround here which is to add a recognized escape before the --, but that should not be necessary.


- Syed


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This is an automatically generated e-mail. To reply, visit:
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On 2011-08-19 08:10:32, Syed Albiz wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/1587/
> -----------------------------------------------------------
> 
> (Updated 2011-08-19 08:10:32)
> 
> 
> Review request for hive and Yongqiang He.
> 
> 
> Summary
> -------
> 
> skip comments in cliDriver.main() instead of passing down to command processors.
> 
> 
> This addresses bug HIVE-1953.
>     https://issues.apache.org/jira/browse/HIVE-1953
> 
> 
> Diffs
> -----
> 
>   cli/src/java/org/apache/hadoop/hive/cli/CliDriver.java a2976b5 
> 
> Diff: https://reviews.apache.org/r/1587/diff
> 
> 
> Testing
> -------
> 
> tested build, since the test suite goes through driver, adding a query file test case did not work.
> 
> 
> Thanks,
> 
> Syed
> 
>


Re: Review Request: HIVE-1953: Hive should process comments in CliDriver

Posted by Charles Chen <ch...@fb.com>.
-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/1587/#review1564
-----------------------------------------------------------


Currently if you type something like

EXPLAIN SELECT "abcd
--
efgh" as field from invites;

the string "abcd\n--\nefgh"with the newlines is accepted--this diff removes the line with the "--" which seems incorrect.

- Charles


On 2011-08-19 08:10:32, Syed Albiz wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/1587/
> -----------------------------------------------------------
> 
> (Updated 2011-08-19 08:10:32)
> 
> 
> Review request for hive and Yongqiang He.
> 
> 
> Summary
> -------
> 
> skip comments in cliDriver.main() instead of passing down to command processors.
> 
> 
> This addresses bug HIVE-1953.
>     https://issues.apache.org/jira/browse/HIVE-1953
> 
> 
> Diffs
> -----
> 
>   cli/src/java/org/apache/hadoop/hive/cli/CliDriver.java a2976b5 
> 
> Diff: https://reviews.apache.org/r/1587/diff
> 
> 
> Testing
> -------
> 
> tested build, since the test suite goes through driver, adding a query file test case did not work.
> 
> 
> Thanks,
> 
> Syed
> 
>