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https://issues.apache.org/jira/browse/PIG-2315?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Daniel Dai updated PIG-2315:
----------------------------
Attachment: PIG-2315-1.patch
Attach a patch to fix the issue by adding a cast only foreach below:
A1 = foreach A1 generate a as a:chararray;
=>
A1 = foreach A1 generate a;
A1 = foreach A1 generate (chararray)a;
b = foreach a generate flatten(nb) as (year, name:chararray);
=>
b = foreach a generate flatten(nb) as (year, name);
b = foreach b generate year, (chararray)name;
vLogFields = FOREACH vLogs GENERATE FLATTEN(LFV(TOTUPLE(*), ('timestamp',
'runTime', 'cpuTime'))) as (ts:chararray, runTime:double, cpuTime:double);
=> vLogFields = FOREACH vLogs GENERATE FLATTEN(LFV(TOTUPLE(*), ('timestamp',
'runTime', 'cpuTime'))) as (ts, runTime, cpuTime);
vLogFields = FOREACH vLogFields GENERATE (chararray)ts, (double)runTime,
(double)cpuTime;
> Make as clause work in generate
> -------------------------------
>
> Key: PIG-2315
> URL: https://issues.apache.org/jira/browse/PIG-2315
> Project: Pig
> Issue Type: Bug
> Reporter: Olga Natkovich
> Assignee: Gianmarco De Francisci Morales
> Fix For: 0.12.0
>
> Attachments: PIG-2315-1.patch
>
>
> Currently, the following syntax is supported and ignored causing confusing
> with users:
> A1 = foreach A1 generate a as a:chararray ;
> After this statement a just retains its previous type
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