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Posted to dev@pig.apache.org by "Xuefu Zhang (JIRA)" <ji...@apache.org> on 2011/03/31 19:11:05 UTC
[jira] [Commented] (PIG-1947) Incorrect line number is reported
during parsing
[ https://issues.apache.org/jira/browse/PIG-1947?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13014072#comment-13014072 ]
Xuefu Zhang commented on PIG-1947:
----------------------------------
There were issues with previous release as well. For instance, for the following query,
A = load 'x' as ( u:int, v:chararray );
sh ls;
B = foreach A generate u , v; C = distinct 'xxx';
store C into 'y';
The error message:
2011-03-31 10:02:56,186 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1000: Error during parsing. Encountered " <QUOTEDSTRING> "\'xxx\' "" at line 3, column 14.
Was expecting one of:
<IDENTIFIER> ...
"(" ...
"(" ...
While correct line number is reported, 'xxx' is nowhere near column 14.
The point is that we need a better design to handle the error origin as the process of parsing happens in two different parsers.
> Incorrect line number is reported during parsing
> ------------------------------------------------
>
> Key: PIG-1947
> URL: https://issues.apache.org/jira/browse/PIG-1947
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.9.0
> Reporter: Xuefu Zhang
> Assignee: Xuefu Zhang
> Fix For: 0.9.0
>
>
> In case of errors in script, Pig parser doesn't report correct the line number always. For example:
> script:
> A = load 'x' as ( u:int, v:chararray );
> sh ls -l;
> B = foreach A generate u + v;
> store B into 'y';
> error reported:
> 2011-03-30 17:48:04,649 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1039: <file line.pig, line 2, column 25> (Name: Add Type: int Uid: 7)incompatible types in Add Operator left hand side:Unknown right hand side:Unknown
> Incorrect line number is also reported when a single line contains multiple Pig statement, such as:
> A = load 'x' as( u:int, v:chararray); B = foreach A generate u + v;
> store B into 'y';
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