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From "Miyakawa Taku (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (PIG-2901) Errors and lacks in document "Pig Latin Basics"
Date Sat, 01 Sep 2012 13:28:07 GMT

     [ https://issues.apache.org/jira/browse/PIG-2901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Miyakawa Taku updated PIG-2901:

    Attachment: PIG-2901.patch
> Errors and lacks in document "Pig Latin Basics"
> -----------------------------------------------
>                 Key: PIG-2901
>                 URL: https://issues.apache.org/jira/browse/PIG-2901
>             Project: Pig
>          Issue Type: Bug
>          Components: documentation
>    Affects Versions: 0.10.0
>            Reporter: Miyakawa Taku
>         Attachments: PIG-2901.patch
> This is a patch to fix errors and lacks in document "Pig Latin Basics".
> # States that COGROUP groups records with a null key _from different relations_ separately.
> # "A map key must be a -scalar- +chararray+ "
> # Removes a statement which says that a star expression is a tuple expression (it seems
> # Fixes a subject confusion of a sentence "When two bytearrays are used in arithmetic
> # Updates a link to Java API documentation.
> # Fixes a tuple example: "LOAD 'data' as..." -> "A = LOAD 'data' as..."
> # "the asterisk (\*) is used to project all -tuples- +fields+ "
> # A result of COGROUP with two relations contains _three_ fields, not _two_
> # Removes an example of COGROUP INNER, which is deprecated
> # Removes a sentence which says "JOIN operator always performs an inner join". Actually,
JOIN also perform an outer join.
> # JOIN "Performs an outer join of two -ore more- relations"
> # Replaces an example of "-Dpig.additional.jars" with a jar file on HDFS. The current
version incorrectly shows an example of a Pig script on HDFS.
> # Fixes typos, lack of hyperlinks, inappropriate indentation, and incorrect chaptering.

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