apache-pig

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getting started with pig

This mi开发者_开发技巧ght be a really stupid question but I\'m not able to install pig properly on my machine.[详细]

2023-04-13 00:57 分类：问答
Executing Pig on another framework

I understand that Pig Latin is a data flow language. In that sense it should be theoretically possible to execute Pig Latin in any framework though currently and it is meant to be executed in a Hadoop[详细]

2023-04-13 00:06 分类：问答
generating an id/counter for foreach in pig latin

I want some sort of unique identifier/line_number/counter to be generated/appended in my foreach construct while iterate开发者_StackOverflows through the records. Is there a way to accomplish this wit[详细]

2023-04-10 01:03 分类：问答
how to call a pig script within another pig script

I have a file in hdfs with 100 columns, which i want to proces using pig.I want to load this file into a tuple 开发者_如何转开发with columns names in a separate pig script, and reuse this script from[详细]

2023-04-07 23:07 分类：问答
Pass parameters to pig jython script

I\'m looking to embed a pig script in python, but I need to pass a few parameters to the python script and they don\'t seem to populate down.[详细]

2023-04-06 02:51 分类：问答
Pig Load problem with multiple delimiters

I have some data log lines like Sep 10 12:00:01 10.100.2.28 t: |US,en,5,7350,100,0.076241,0.开发者_Go百科105342,-1,0,1,5,2,14,,,0,5134,7f378ecef7,fec81ebe-468a-4ac7-b472-8bd1ee88bfc2[详细]

2023-04-05 09:06 分类：问答
Is it possible to detect and handle string collisions among grouped values when grouping in Hadoop Pig?

Assuming I have lines of data like the following that show user names and their favorite fruits: Alice\\tApple[详细]

2023-04-04 19:55 分类：问答
Regex to match 1 2 3 4,5,6

I have a file with lines in the following format 1 2 3 4,5,6 First three delimited by space and the last three delimited by commas.As an example i\'ve gi开发者_如何转开发ven 1-6 but the values can b[详细]

2023-04-04 16:25 分类：问答
Is it possible to cross-join a row in a relation with a tuple in that row in Pig?

I have a set of data that shows users, collections of fruit they like, and home city: Alice\\tApple:Orange\\tSacramento[详细]

2023-04-04 10:16 分类：问答
How Can I Load Every File In a Folder Using PIG?

I have a folder of files created daily that all store the same type of information. I\'d like to make a script that loads the newest 10 of them, UNIONs them, and then runs some other code on them. S开[详细]

2023-04-03 14:18 分类：问答