Zebra store function should allow '::' in column names in output schema
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Key: PIG-1074
URL: https://issues.apache.org/jira/browse/PIG-1074
Project: Pig
Issue Type: Bug
Reporter: Pradeep Kamath
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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