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[PIG-2633] Create a SchemaBag which generates a Bag with a known Schema via code gen - Pig - [issue]
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...This is related to PIG-2632. The idea is to also extend that and create a known version based on a given Schema....
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http://issues.apache.org/jira/browse/PIG-2633
Author: Jonathan Coveney,
2012-11-19, 20:16
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[PIG-2424] Add OUTER_FLATTEN operator which, on an empty bag, returns null instead of throwing away the row - Pig - [issue]
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...It would be useful if Pig had a flatten operator which didn't throw away a row given an empty bag....
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http://issues.apache.org/jira/browse/PIG-2424
Author: Jonathan Coveney,
2012-11-19, 19:38
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Re: Accessing tuple field names from within a python udf - Pig - [mail # user]
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...In the java interface, there is a getInputSchema() method. You could make this available in the python side of things. This would be a useful addition. 2012/11/16 Martin Goodson ...
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Author: Jonathan Coveney,
2012-11-16, 19:21
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Re: Accessing tuple field names from within a python udf - Pig - [mail # user]
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...Martin, That is a reasonable workaround. Even in java UDF's, you can't directly access fields by name. Tuples are indexed only by numbers. Using the Schema is how I would do it. ...
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Author: Jonathan Coveney,
2012-11-15, 20:20
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Re: The essence from hundreds of posts from Apache Pig user mailing list - Pig - [mail # user]
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...This is great! PS "I really liked the simple explanation of FLATTEN: it turns Tuples into columns (because Tuples contain columns) and turns Bags into rows (because Bags contain rows)....
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Author: Jonathan Coveney,
2012-11-15, 20:19
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Re: Re: Pig UT last nearly 8 hours and TestEvalPipeline2 lasts for 37 minutes - Pig - [mail # user]
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...There are a couple of ways to shorten the time... one (super helpful one) would be to look at tests using the MiniCluster, and convert them to use local mode. A lot of tests are run using a ...
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Author: Jonathan Coveney,
2012-11-15, 00:55
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Re: Join implementations - Pig - [mail # dev]
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...A key class that aids in understanding how the physical layer works is the LogToPhyTranslationVisitor. You can look at the visitor for the LOJoin logical operator and see what it does for di...
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Author: Jonathan Coveney,
2012-11-14, 02:47
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Re: Dynamically generating load/store path - Pig - [mail # user]
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...If it's a parameter, it could just be passed in as a $var 2012/11/13 Miki Tebeka ...
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Author: Jonathan Coveney,
2012-11-14, 00:45
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Re: Jenkins / Clover - Pig - [mail # dev]
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...Yes, please. This has been necessary for a while! 2012/11/8 Gianmarco De Francisci Morales ...
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Author: Jonathan Coveney,
2012-11-09, 01:08
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Re: Boolean pig UDF constructor - Pig - [mail # user]
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...UDF's can only be given String arguments, period. So you can pass it a boolean in String form and parse it. 2012/11/8 meghana narasimhan ...
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Author: Jonathan Coveney,
2012-11-08, 18:35
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