Ankit Singhal created HIVE-18873:
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Summary: Skipping predicate pushdown silently at HiveInputFormat
can cause storage handlers to produce erroneous result
Key: HIVE-18873
URL: https://issues.apache.org/jira/browse/HIVE-18873
Project: Hive
Issue Type: Bug
Affects Versions: 3.0.0
Reporter: Ankit Singhal
Assignee: Ankit Singhal
Fix For: 3.0.0
{code:java}
// disable filter pushdown for mapreduce when there are more than one table
aliases,
// since we don't clone jobConf per alias
if (mrwork != null && mrwork.getAliases() != null &&
mrwork.getAliases().size() > 1 &&
jobConf.get(ConfVars.HIVE_EXECUTION_ENGINE.varname).equals("mr")) {
return;
}
{code}
I believe this needs to be handled at OpProcFactory so that hive doesn't
believe that predicate is handled by storage handler.
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