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Re: How do I load JSON in Pig? - Pig - [mail # user]
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...Maybe JsonLoader from ElephantBird can be useful? - https://github.com/kevinweil/elephant-bird/blob/master/pig/src/main/java/com/twitter/elephantbird/pig/load/JsonLoader.java. 2012/11/...
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Author: Adam Kawa,
2012-11-17, 23:40
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The essence from hundreds of posts from Apache Pig user mailing list - Pig - [mail # user]
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...Hi All, In October, I decided not to waste my time longer by reading football news, so that I started to read posts from Apache Pig user mailing lists instead to learn more! ;) My mott...
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Author: Adam Kawa,
2012-11-14, 15:46
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Re: Welcome our newest committer Cheolsoo Park - Pig - [mail # user]
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...Congrats! :) 2012/10/27 Jonathan Coveney :...
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Author: Adam Kawa,
2012-10-26, 22:50
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Re: Load table sorted by key - Pig - [mail # user]
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...Rows in HBase are sorted lexicographically, so that 1 precedes 10 and 100. You need to a) ORDER library BY id in Pig script or b) pad your HBase rowkey with zeros e.g. 001, 010, 100, 1...
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Author: Adam Kawa,
2012-10-24, 18:31
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Re: Reading a grouped file - Pig - [mail # user]
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...What I rather wanted to write is a = load 'group.txt' as (b1: bag {t1: tuple(id: int, points: int, type: chararray)}); dump a; because what you simply want to read is a bag with ...
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Author: Adam Kawa,
2012-10-23, 18:59
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Re: Reading a grouped file - Pig - [mail # user]
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...You may run something like: a = load 'bag.dat' as (b1: bag {t1: tuple(id: int, points: int, type: chararray)}, b2: bag {t: tuple(id: int, points: int, type: chararray)}); dump a; ...
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Author: Adam Kawa,
2012-10-23, 18:51
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Re: Reading BytesWritable in sequence file - Pig - [mail # user]
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...What I did was to: 1) extend FileInputLoadFunc class 2) add new type (BYTES_WRITABLE) to swich-case in methods: inferPigDataType(Type t) and translateWritableToPigDataType(Writable w, ...
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Author: Adam Kawa,
2012-10-22, 16:04
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[PIG-2883] MapKeysToBag and more UDFs to manipulate maps - Pig - [issue]
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...HBaseStorage allows a user to load many HBase columns by specifying the prefix. The problem is to access such columns later, if their names are dynamically created and hold some meaningful i...
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http://issues.apache.org/jira/browse/PIG-2883
Author: Adam Kawa,
2012-10-01, 19:20
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Apache Pig slides from the - Pig - [mail # user]
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...Hi All, I would like to share my slides from the presentation about Apache Pig that I gave at the 3rd meeting of WHUG (Warsaw Hadoop User Group) a couple of months ago. Here is a link ...
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Author: Adam Kawa,
2012-09-15, 10:16
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