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https://issues.apache.org/jira/browse/PIG-319?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pi Song updated PIG-319:
------------------------
Attachment: fix_union.patch
Currently our UNION implementation doesn't handle injected inputs. This patch
will add that functionality.
For CROSS, I don't see any implementation at all.
> Union, Cross is not working
> ---------------------------
>
> Key: PIG-319
> URL: https://issues.apache.org/jira/browse/PIG-319
> Project: Pig
> Issue Type: Bug
> Components: impl
> Affects Versions: types_branch
> Reporter: Daniel Dai
> Fix For: types_branch
>
> Attachments: fix_union.patch
>
>
> union and cross operator is not working in branches/types. For example:
> a = load 'a';
> b = load 'b';
> c = union a, b;
> d = cross a, b;
> dump c; // fail
> dump d; // fail
> Error message: " Attempt to give operator of type
> org.apache.pig.impl.physicalLayer.relationalOperators.POLoad multiple inputs.
> This operator does not support multiple inputs."
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