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From "John Sichi (JIRA)" <>
Subject [jira] Commented: (HIVE-1644) use filter pushdown for automatically accessing indexes
Date Thu, 17 Feb 2011 20:20:24 GMT


John Sichi commented on HIVE-1644:

You're pretty close with the first method; if I uncomment it and add one line, I can get it
as far as execution:


But then I get an execution-time exception; still looking into that.

    [junit] cannot find dir = pfile:/Users/jsichi/open/hive-trunk/build/ql/test/data/warehouse/src/kv1.txt
in pathToPartitionInfo: [pfile:/Users/jsichi/open/hive-trunk/build/ql/test/data/warehouse/default__src_src_index__]
    [junit] 	at
    [junit] 	at org.apache.hadoop.hive.ql.index.compact.HiveCompactIndexInputFormat.doGetSplits(
    [junit] 	at org.apache.hadoop.hive.ql.index.compact.HiveCompactIndexInputFormat.getSplits(

> use filter pushdown for automatically accessing indexes
> -------------------------------------------------------
>                 Key: HIVE-1644
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>          Components: Indexing
>    Affects Versions: 0.7.0
>            Reporter: John Sichi
>            Assignee: Russell Melick
>         Attachments: HIVE-1644.1.patch
> HIVE-1226 provides utilities for analyzing filters which have been pushed down to a table
scan.  The next step is to use these for selecting available indexes and generating access
plans for those indexes.

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