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https://issues.apache.org/jira/browse/PIG-1636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=12913714#action_12913714
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Daniel Dai commented on PIG-1636:
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test-patch result:
[exec] +1 overall.
[exec]
[exec] +1 @author. The patch does not contain any @author tags.
[exec]
[exec] +1 tests included. The patch appears to include 3 new or
modified tests.
[exec]
[exec] +1 javadoc. The javadoc tool did not generate any warning
messages.
[exec]
[exec] +1 javac. The applied patch does not increase the total number
of javac compiler warnings.
[exec]
[exec] +1 findbugs. The patch does not introduce any new Findbugs
warnings.
[exec]
[exec] +1 release audit. The applied patch does not increase the
total number of release audit warnings.
All tests pass.
Scalar fail if the scalar variable is generated by limit
Key: PIG-1636
URL: https://issues.apache.org/jira/browse/PIG-1636
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: 0.8.0
Reporter: Daniel Dai
Assignee: Daniel Dai
Fix For: 0.8.0
Attachments: PIG-1636-1.patch
The following script fail:
{code}
a = load 'studenttab10k' as (name: chararray, age: int, gpa: float);
b = group a all;
c = foreach b generate SUM(a.age) as total;
c1= limit c 1;
d = foreach a generate name, age/(double)c1.total as d_sum;
store d into '111';
{code}
The problem is we have a reference to c1 in d. In the optimizer, we push
limit before foreach, d still reference to limit, and we get the wrong schema
for the scalar.
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