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Re: removing last item in a bag - Pig - [mail # user]
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...Hi Johnny, I forgot to mention the bag will be varying sizes, so I can not use the method you described. On Tue, Mar 12, 2013 at 4:50 PM, Johnny Zhang wrote: ...
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Author: Chan, Tim,
2013-03-13, 00:28
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removing last item in a bag - Pig - [mail # user]
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...How do I remove the last item in a bag. For example: (group_1,{(2012-12-15,a),(2012-12-17,a),(2012-12-23,c)}) I would like to remove the last item so that the following is...
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Author: Chan, Tim,
2013-03-12, 23:33
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Re: removing dupes from a bag while saving first occurrence - Pig - [mail # user]
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...Using a distinct before the group by does not guarantee the date order. I need to keep the earliest occurrence of 'a' and discard all later occurrences of 'a'. On Fri, Mar 8, 2013 at ...
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Author: Chan, Tim,
2013-03-08, 23:12
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removing dupes from a bag while saving first occurrence - Pig - [mail # user]
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...If I have a bag and would like to remove dupes, while saving the first occurrence, is this possible? For example, for the following bag: (group_1,{(2012-12-15,a),(2012-12-17,a),(...
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Author: Chan, Tim,
2013-03-08, 22:00
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Re: Declaring schema for unknown number of columns - Pig - [mail # user]
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...Hi Jinyuan, Since I don't know how many columns I will have, I do something like this. six_month_and_variable_month_sales_2 = FOREACH six_month_and_variable_month_sales GE...
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Author: Chan, Tim,
2013-01-08, 01:48
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Declaring schema for unknown number of columns - Pig - [mail # user]
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...Is it possible to declare a schema when doing a LOAD for data in which you do not know the total number of columns? For instance. I know the data contains 6 or more columns. These colu...
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Author: Chan, Tim,
2013-01-07, 22:19
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Simplifying schema? - Pig - [mail # user]
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...After many joins, my relation's schema because very verbose. For example: e::d::c::b::a::column1:bytearray, e::d::c::b::a::column2:bytearray Is there a way simplify the sch...
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Author: Chan, Tim,
2012-12-08, 18:48
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RE: ordering tuple after grouping - Pig - [mail # user]
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...Dear Gianmarco, It works great! Thanks. Tim ________________________________________ From: Gianmarco De Francisci Morales [[EMAIL PROTECTED]] Sent: Monday, April 16, 2012 1:43 PM...
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Author: Chan, Tim,
2012-04-16, 23:03
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ordering tuple after grouping - Pig - [mail # user]
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...Given data: (1, 55, abc) (2, 23, asd) (1, 85, xyz) (1, 2, aaa) I would like to group on $0 and then have my grouped tuple be ordered by $1 . Is this possible? The output s...
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Author: Chan, Tim,
2012-04-16, 20:31
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RE: working with data with varying column length - Pig - [mail # user]
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...This feature does not appear to be available for 0.8.1. Is this correct? ________________________________________ From: Prashant Kommireddi [[EMAIL PROTECTED]] Sent: Wednesday, February 22, ...
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Author: Chan, Tim,
2012-02-23, 00:35
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