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https://issues.apache.org/jira/browse/HIVE-1644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12996042#comment-12996042
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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:
{noformat}
pctx.getTopOps().putAll(indexQueryPctx.getTopOps());
pctx.getTopToTable().putAll(indexQueryPctx.getTopToTable());
{noformat}
But then I get an execution-time exception; still looking into that.
{noformat}
[junit] java.io.IOException: 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
org.apache.hadoop.hive.ql.io.HiveFileFormatUtils.getPartitionDescFromPathRecursively(HiveFileFormatUtils.java:288)
[junit] at
org.apache.hadoop.hive.ql.index.compact.HiveCompactIndexInputFormat.doGetSplits(HiveCompactIndexInputFormat.java:45)
[junit] at
org.apache.hadoop.hive.ql.index.compact.HiveCompactIndexInputFormat.getSplits(HiveCompactIndexInputFormat.java:99)
...
{noformat}
> use filter pushdown for automatically accessing indexes
> -------------------------------------------------------
>
> Key: HIVE-1644
> URL: https://issues.apache.org/jira/browse/HIVE-1644
> 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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