Cheolsoo Park created PIG-3727:
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Summary: Fix split + skewed join
Key: PIG-3727
URL: https://issues.apache.org/jira/browse/PIG-3727
Project: Pig
Issue Type: Sub-task
Components: tez
Affects Versions: tez-branch
Reporter: Cheolsoo Park
Assignee: Cheolsoo Park
Fix For: tez-branch
The e2e SkewedJoin_6 test runs the following query-
{code}
a = load ':INPATH:/singlefile/studenttab10k';
b = filter a by $1 > 25;
c = join a by $0, b by $0 using 'skewed' parallel 7;
store c into ':OUTPATH:';
{code}
Currently, this fails with a compilation error in TezCompiler. Basically,
visitSkewedJoin() doesn't handle the POSplit that is inserted between load and
join.
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