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Pig, mail # user - How do I load JSON in Pig?


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Russell Jurney 2012-11-17, 22:09
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Dan Young 2012-11-18, 01:23
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Arian Pasquali 2012-11-18, 02:30
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Russell Jurney 2012-11-18, 04:32
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Russell Jurney 2012-11-18, 17:19
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Arian Pasquali 2012-11-18, 22:46
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Arian Pasquali 2012-11-19, 00:31
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Russell Jurney 2012-11-19, 16:23
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Russell Jurney 2012-11-19, 19:27
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Re: How do I load JSON in Pig?
Russell Jurney 2012-11-19, 19:30
Talking to myself... never mind, guava and json-simple are included with
Pig.
On Mon, Nov 19, 2012 at 2:27 PM, Russell Jurney <[EMAIL PROTECTED]>wrote:

> Got it building. Are google collections and json-simple external deps?
>
>
> On Mon, Nov 19, 2012 at 11:23 AM, Russell Jurney <[EMAIL PROTECTED]
> > wrote:
>
>> It seems that everyone can build elephant-bird but me:
>> https://github.com/kevinweil/elephant-bird/issues/272
>>
>>
>> On Sun, Nov 18, 2012 at 7:31 PM, Arian Pasquali <[EMAIL PROTECTED]>wrote:
>>
>>> I dont think you really need to build it.
>>> you can find it at any maven repository.
>>>
>>> Arian Rodrigo Pasquali
>>> FEUP, SAPO Labs
>>> http://www.arianpasquali.com
>>> twitter @arianpasquali
>>>
>>>
>>>
>>> 2012/11/18 Arian Pasquali <[EMAIL PROTECTED]>
>>>
>>> > U dont need to build neither
>>> > Just download those two jar I used in my example.
>>> >
>>> > Arian
>>> >
>>> > Em domingo, 18 de novembro de 2012, Russell Jurney escreveu:
>>> >
>>> >> Thanks - looks like I don't have to specify the schema, which is good.
>>> >>
>>> >> I'll try and build elephant-bird.
>>> >>
>>> >> Russell Jurney http://datasyndrome.com
>>> >>
>>> >> On Nov 17, 2012, at 9:30 PM, Arian Pasquali <[EMAIL PROTECTED]>
>>> >> wrote:
>>> >>
>>> >> > keep calm
>>> >> > and use elephant-bird
>>> >> > https://github.com/kevinweil/elephant-bird<
>>> >>
>>> https://github.com/kevinweil/elephant-bird/blob/master/pig/src/main/java/com/twitter/elephantbird/pig/load/JsonLoader.java
>>> >> >
>>> >> >
>>> >> > I posted here yesterday an example how to load tweets in json
>>> >> > here goes again. I hope it helps.
>>> >> >
>>> >> >  register 'elephant-bird-core-3.0.0.jar'
>>> >> >    register 'elephant-bird-pig-3.0.0.jar'
>>> >> >    register 'google-collections-1.0.jar'
>>> >> >    register 'json-simple-1.1.jar'
>>> >> >
>>> >> >    json_lines = LOAD
>>> >> > '/twitter_data/tweets/stream/v1/json/2012_10_10/08' USING
>>> >> > com.twitter.elephantbird.pig.load.JsonLoader();
>>> >> >
>>> >> >    geo_tweets = FOREACH json_lines GENERATE (CHARARRAY) $0#'id' AS
>>> >> > id, (CHARARRAY) $0#'geoLocation' AS geoLocation;
>>> >> >
>>> >> >    only_not_nulls = FILTER geo_tweets BY geoLocation is not null;
>>> >> >    store only_not_nulls into '/twitter_data/results/geo_tweets';
>>> >> >
>>> >> >
>>> >> >
>>> >> > Arian Rodrigo Pasquali
>>> >> > FEUP, SAPO Labs
>>> >> > http://www.arianpasquali.com
>>> >> > twitter @arianpasquali
>>> >> >
>>> >> >
>>> >> >
>>> >> > 2012/11/18 Dan Young <[EMAIL PROTECTED]>
>>> >> >
>>> >> >> No sure if this helps, but in 0.11 I've been using this on EMR for
>>> >> some of
>>> >> >> our JSON data....
>>> >> >>
>>> >> >> raw = load 'hdfs:///cleaned_logs/clicks2/$year_id/$month_id/part-*'
>>> >> USING
>>> >> >>
>>> >> >>
>>> >>
>>> JsonLoader('a:chararray,at:chararray,c1:(url:chararray,useragent:chararray,referrer:chararray,window:(innerheight:chararray,innerwidth:chararray,outerheight:chararray,outerwidth:chararray),resolution:(height:chararray,width:chararray)),cst:chararray,d:(a:chararray,b:chararray),i:chararray,id:chararray,ip:chararray,k:chararray,l:(lat:chararray,lng:chararray),p:chararray,pv:chararray,sa:chararray,sid:chararray,sst:chararray,t:chararray,uuid:chararray,v:chararray');
>>> >> >>
>>> >> >>
>>> >> >> Regards,
>>> >> >>
>>> >> >> Dano
>>> >> >>
>>> >> >>
>>> >> >>
>>> >> >> On Sat, Nov 17, 2012 at 3:09 PM, Russell Jurney <
>>> >> [EMAIL PROTECTED]
>>> >> >>> wrote:
>>> >> >>
>>> >> >>> I have some JSON data with a uniform schema. I want to load it in
>>> Pig.
>>> >> >>> JsonStorage doesn't work, because the data has no schema.
>>> >> >>>
>>> >> >>> How can I load JSON data in Pig?
>>> >> >>>
>>> >> >>> --
>>> >> >>> Russell Jurney twitter.com/rjurney [EMAIL PROTECTED]
>>> >> >>> datasyndrome.com
>>> >> >>>
>>> >> >>
>>> >>
>>> >
>>> >
>>> > --
>>> > Sent from Gmail Mobile
>>> >
>>>
>>
>>
>>
>> --
>> Russell Jurney twitter.com/rjurney [EMAIL PROTECTED] datasyndrome.

Russell Jurney twitter.com/rjurney [EMAIL PROTECTED] datasyndrome.com
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Russell Jurney 2012-11-19, 19:33
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Russell Jurney 2012-11-19, 19:35
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Deepak Tiwari 2012-11-19, 20:22
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Saxifrage Cucvara 2012-11-21, 05:56
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David LaBarbera 2012-11-21, 14:25
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Saxifrage Cucvara 2012-11-21, 22:36
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Adam Kawa 2012-11-17, 23:40
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Russell Jurney 2012-11-18, 22:46