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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-2155) Improve error messages emitted during semantic analysis
Date Tue, 17 May 2011 06:07:47 GMT

    [ https://issues.apache.org/jira/browse/HIVE-2155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13034596#comment-13034596
] 

Hudson commented on HIVE-2155:
------------------------------

Integrated in Hive-trunk-h0.20 #732 (See [https://builds.apache.org/hudson/job/Hive-trunk-h0.20/732/])
    HIVE-2155. Improve error messages emitted during semantic analysis
(Syed Albiz via jvs)


> Improve error messages emitted during semantic analysis
> -------------------------------------------------------
>
>                 Key: HIVE-2155
>                 URL: https://issues.apache.org/jira/browse/HIVE-2155
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Syed S. Albiz
>            Assignee: Syed S. Albiz
>             Fix For: 0.8.0
>
>         Attachments: HIVE-2155.1.patch, HIVE-2155.2.patch, HIVE-2155.3.patch, HIVE-2155.4.patch,
HIVE-2155.5.patch
>
>
> Follow-up to HIVE-1731.
> A number of issues raised in HIVE-1731 were caused by SemanticAnalyzer not reporting
errors correctly.
> Specifically, the following issues need to be addressed:
> - Line numbers are not always provided and sometimes emitted as (0:-1), which is useless
> - Insufficient or unclear context strings are provided
> Specific issues described in HIVE-1731:
> FAILED: Error in semantic analysis: Schema of both sides of union should match: destinationid:_col1
_col2
> * No line/col numbers, context strings provide internal aliases instead of actual column
names
> FAILED: Error in semantic analysis: line 0:-1 Both Left and Right Aliases Encountered
in Join time
> * Incorrect line/col number info, no context strings to describe the aliases encountered
> FAILED: Error in semantic analysis: AS clause has an invalid number of aliases
> * No line/col numbers, not context string to show the aliases encountered
> FAILED: Error in semantic analysis: line 1:94 Expression Not In Group By Key a
> * testcase: SELECT a.id, VAR(a.cnt) FROM mytable a
> * Context string is unhelpful, needs to provide the actual expression, not just the table
reference

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