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Posted to dev@hive.apache.org by "John Sichi (Resolved) (JIRA)" <ji...@apache.org> on 2011/12/14 02:02:30 UTC
[jira] [Resolved] (HIVE-1040) use sed rather than diff for masking
out noise in diff-based tests
[ https://issues.apache.org/jira/browse/HIVE-1040?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
John Sichi resolved HIVE-1040.
------------------------------
Resolution: Fixed
Fix Version/s: 0.9.0
Hadoop Flags: Reviewed
Committed to trunk. Thanks Marek!
> use sed rather than diff for masking out noise in diff-based tests
> ------------------------------------------------------------------
>
> Key: HIVE-1040
> URL: https://issues.apache.org/jira/browse/HIVE-1040
> Project: Hive
> Issue Type: Improvement
> Components: Testing Infrastructure
> Affects Versions: 0.4.1
> Reporter: John Sichi
> Assignee: Marek Sapota
> Priority: Minor
> Fix For: 0.9.0
>
> Attachments: HIVE-1040-code-patch.patch, HIVE-1040.1.patch, HIVE-1040.2.patch, HIVE-1040.D597.1.patch, HIVE-1040.D597.2.patch, HIVE-1040.D597.3.patch, HIVE-1040.D597.4.patch, HIVE-1040.final.patch
>
>
> The current diff -I approach has two problems: (1) it does not allow resolution finer than line-level, so it's impossible to mask out pattern occurrences within a line, and (2) it produces unmasked files, so if you run diff on the command line to compare the result .q.out with the checked-in file, you see the noise.
> My suggestion is to first run sed to replace noise patterns with an unlikely-to-occur string like ZYZZYZVA, and then diff the pre-masked files without using any -I.
> This would require a one-time hit to update all existing .q.out files so that they would contain the pre-masked results.
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