Miyakawa Taku created PIG-3085:
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Summary: Errors and lacks in document "Built In Functions"
Key: PIG-3085
URL: https://issues.apache.org/jira/browse/PIG-3085
Project: Pig
Issue Type: Bug
Components: documentation
Affects Versions: 0.10.0
Reporter: Miyakawa Taku
Errors and lacks in document "Built In Functions"
This is a patch to fix errors in document "Built In Functions".
# Heading of the result table of ROUND function is wrongly written as
??CEIL(x)??
# "Syntax" clause of LAST_INDEX_OF function is wrongly written as
??LAST_INDEX_OF(expression)??, but the function actually takes three arguments
# "Syntax" clause of REGEX_EXTRACT_ALL function is wrongly written as
??REGEX_EXTRACT (string, regex)??
# An example of REPLACE function is terminated by a semicolon:
??REPLACE(string,'software','wiki');??, but the semicolon is not necessary in
Pig Latin syntax
# "limit" argument of STRSPLIT function is described as ??The number of times
the pattern ... is applied??. But actually, _limit-1_ is the maximum number of
times the pattern is applied, and "limit" means the maximum length of the
result tuple (if the value is positive). If the value is 0 or negative, not
limit is applied.
# An example program of TOP function does not work, because it uses ??COUNT(*)??
# Fixes typos
# "COUNT_STAR is used -the- +to+ count ..."
# "delimit in JsonLoader or -JsonStorer- +JsonStorage+ ..."
# "using field -deliminters- +delimiters+ ..."
# "If you store -reading- +using+ delimiter "#" ..."
# "The STORE -function- +statement+ specifies that the files ..."
# "Limit" -> "limit" in a term definition of STRSPLIT function
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