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[PIG-3368] doc pig flatten operator applied to empty vs null bag - Pig - [issue]
...Pig docs state that FLATTEN(field_of_type_bag) may generate a cross-product in the case when an additional field is projected, e.g.:y = FOREACH x GENERATE f1, FLATTEN(fbag) as f2;Additionall...
http://issues.apache.org/jira/browse/PIG-3368    Author: Andy Schlaikjer, 2014-05-27, 23:16
[PIG-3451] EvalFunc<T> ctor reflection to determine value of type param T is brittle - Pig - [issue]
...The EvalFunc<T> base class has logic in its default ctor to attempt to determine the runtime type of its type parameter T. This logic is brittle when the derived class has type paramet...
http://issues.apache.org/jira/browse/PIG-3451    Author: Andy Schlaikjer, 2013-10-18, 06:02
[PIG-2991] Clarify document of Algebraic contracts - Pig - [issue]
...Documentation of Algebraic contracts is somewhat confusing.It took me a while to understand that Initial impl exec method is passed a singleton bag of X, and should return the single X value...
http://issues.apache.org/jira/browse/PIG-2991    Author: Andy Schlaikjer, 2012-10-18, 19:47
[PIG-2915] Builtin TOP udf is sensitive to null input bags - Pig - [issue]
...TOP(max, sortField, inputBag) is sensitive to null inputBag arguments.In some cases it is preferable for a UDF to simply return null for null inputs e.g. to avoid conditional logic in a scri...
http://issues.apache.org/jira/browse/PIG-2915    Author: Andy Schlaikjer, 2012-09-12, 16:50
Re: Accessing first element in nested bag. - Pig - [mail # user]
...Try something like this:  {code} bags = LOAD '$INPUT_PATH' AS (bag: {(value: chararray)}); first = FOREACH bags {   one = LIMIT bag 1;   GENERATE one AS value; } {code}  ...
   Author: Andy Schlaikjer, 2012-07-08, 00:41
[PIG-2715] Cannot specify schema field alias for map value via piglatin - Pig - [issue]
...Programmatically, pig components are able to define schema field aliases for map values, but the same cannot be done via piglatin. For example:%default INPUT_PATH 'map_value_alias_bug.tsv';A...
http://issues.apache.org/jira/browse/PIG-2715    Author: Andy Schlaikjer, 2012-05-23, 00:24
Re: Design issue, need feedback - Pig - [mail # user]
...Another possible solution: Use json for your storage and load via JsonLoader:  https://github.com/kevinweil/elephant-bird/blob/master/src/java/com/twitter/elephantbird/pig/load/JsonLoad...
   Author: Andy Schlaikjer, 2012-05-22, 14:56
[expand - 1 more] - Re: Problem loading sequence files with Elephant Bird - Pig - [mail # user]
...Chris, the console output mentions file "/opt/shared_storage/log_ analysis_pig_python_scripts/pig_1337299061301.log". Does this contain any kind of stack trace? Were you running the script i...
   Author: Andy Schlaikjer, 2012-05-18, 18:24
[PIG-2685] error in EvalFunc ctor when implementing Algebraic UDF whose return type is parameterized - Pig - [issue]
...EvalFunc ctor uses reference equality instead of value equality when verifying return type of "final" UDF and parent Algebraic UDF are equal. This is fine in the case when both values are Cl...
http://issues.apache.org/jira/browse/PIG-2685    Author: Andy Schlaikjer, 2012-05-08, 23:57
[PIG-2680] TOBAG output schema reporting - Pig - [issue]
...TOBAG only reports an output schema beyond {(NULL)} when all input field schemas match deeply, including field schema aliases. This seems wrong to me. Shouldn't it just require recursive typ...
http://issues.apache.org/jira/browse/PIG-2680    Author: Andy Schlaikjer, 2012-05-08, 22:52
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