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https://issues.apache.org/jira/browse/PIG-1074?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yan Zhou updated PIG-1074:
--------------------------
Status: Patch Available (was: Open)
The syntax for an IDENTIFIER is now ( <LETTER> )+ ( <DIGIT> | <LETTER> |
<SPECIALCHAR> )* ( <SCOPEOP> ( <LETTER> )+ ( <DIGIT> | <LETTER> |
<SPECIALCHAR> )*)?
> Zebra store function should allow '::' in column names in output schema
> -----------------------------------------------------------------------
>
> Key: PIG-1074
> URL: https://issues.apache.org/jira/browse/PIG-1074
> Project: Pig
> Issue Type: Bug
> Reporter: Pradeep Kamath
> Assignee: Yan Zhou
> Fix For: 0.6.0, 0.7.0
>
> Attachments: PIG-1074.patch, PIG-1074.patch
>
>
> the following script fails:
> {noformat}
> a = load '/zebra/singlefile/studenttab10k' using
> org.apache.hadoop.zebra.pig.TableLoader() as (name, age, gpa);
> b = load '/zebra/singlefile/votertab10k' using
> org.apache.hadoop.zebra.pig.TableLoader() as (name, age, registration,
> contributions);
> c = filter a by age < 20;
> d = filter b by age < 20;
> store c into
> '/user/pig/out//ZebraMultiQuery_30.out.1' using
> org.apache.hadoop.zebra.pig.TableStorer('');
> store d into
> '/user/pig/out//ZebraMultiQuery_30.out.2' using
> org.apache.hadoop.zebra.pig.TableStorer('');
> e = cogroup c by name, d by name;
> f = foreach e generate flatten(c), flatten(d);
> store f into '/user/pig//ZebraMultiQuery_30.out.3'
> using org.apache.hadoop.zebra.pig.TableStorer('');
> {noformat}
> Here the schema of f has names like c::name and it looks like zebra storefunc
> does not allow '::' in column name
> The stack trace is
>
> ERROR 2997: Unable to recreate exception from backend error:
> java.io.IOException: ColumnGroup.Writer constructor failed : Partition
> constructor failed :Encountered " ":" ": "" at line 1, column 3.
>
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