THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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alter table processedevents add partition 20100819 hdfs://data/processedevents/20100819/data
select advertiser_id, count(clicks)
from processedevents
where date = '20100819'
group by advertiser_id;
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With HCatalog, Robert does not need to modify the table structure.
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select advertiser_id, count(clicks)
from processedevents
where date = ‘20100819’
group by advertiser_id;
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HCatalog Web API
WebHCat is a REST API for HCatalog. (REST means stands for "representational state transfer.) The ", a style of API based on HTTP verbs). The original name of WebHCat was Templeton. For more information, see the WebHCat manual.
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Next: HCatalog Installation General: HCatalog Manual – WebHCat Manual – Hive Wiki Home – Hive Project Site |