Miyakawa Taku created PIG-2901:
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Summary: 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
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 incorrect)
# Fixes a subject confusion of a sentence "When two bytearrays are used in
arithmetic expressions..."
# 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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