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https://issues.apache.org/jira/browse/PIG-2000?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xuefu Zhang updated PIG-2000:
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Attachment: PIG-2000.patch
Test-patch run:
[exec] +1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 3 new or
modified tests.
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[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
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[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
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[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
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[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
> Pig gives incorrect error message dealing with scalar projection
> ----------------------------------------------------------------
>
> Key: PIG-2000
> URL: https://issues.apache.org/jira/browse/PIG-2000
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.8.0, 0.9.0
> Reporter: Xuefu Zhang
> Assignee: Xuefu Zhang
> Fix For: 0.9.0
>
> Attachments: PIG-2000.patch
>
>
> For the following query:
> A = load 'x' as (u:tuple(x,y),v);
> B = load 'y';
> C = foreach B generate $0, A.u.x;
> error msg in 0.8:
> ERROR 1000: Error during parsing. Invalid alias: x in {u: (x: bytearray,y:
> bytearray),v: bytearray}
> error msg in 0.9:
> ERROR 1200: Pig script failed to parse: <line 4, column 27> Invalid scalar
> projection: A
> Both messages are not clear enough. For scalar support, we only support one
> level, which gives a syntax of R.f format.
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