Indexes for accelerating joins
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Key: PIG-209
URL: https://issues.apache.org/jira/browse/PIG-209
Project: Pig
Issue Type: New Feature
Components: data
Reporter: John DeTreville
Computing the inner join of a very large table (i.e., bag or mapping) with a
smaller table can take time proportional to the size of the very large table.
This time required can be greatly reduced if the very large table is indexed,
taking time proportional to the size of the smaller table. It should be
possible for clients to index tables for use by future joins.
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