mirror of https://github.com/apache/cassandra
9 lines
380 B
Pig
9 lines
380 B
Pig
-- CassandraStorage
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rows = LOAD 'cassandra://MyKeyspace/MyColumnFamily' USING CassandraStorage();
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cols = FOREACH rows GENERATE flatten(columns);
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colnames = FOREACH cols GENERATE $0;
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namegroups = GROUP colnames BY (chararray) $0;
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namecounts = FOREACH namegroups GENERATE COUNT($1), group;
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orderednames = ORDER namecounts BY $0 DESC;
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topnames = LIMIT orderednames 50;
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dump topnames; |