Rohini Palaniswamy created PIG-3661:
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Summary: Piggybank AvroStorage fails if used in more than one load
or store statement
Key: PIG-3661
URL: https://issues.apache.org/jira/browse/PIG-3661
Project: Pig
Issue Type: Bug
Affects Versions: 0.11.1
Reporter: Rohini Palaniswamy
Assignee: Rohini Palaniswamy
Fix For: 0.13.0
To reproduce:
A =load '/tmp/data' as (a1:int, a2:int, a3:int);
B = load '/tmp/data1' as (b1:chararray, b2:chararray, b3:chararray);
store A into '/tmp/out/a' using
org.apache.pig.piggybank.storage.avro.AvroStorage();
store B into '/tmp/out2/b' using
org.apache.pig.piggybank.storage.avro.AvroStorage();
It either fails in the map job if schema is incompatible, or B gets schema of A
and B merged leading to incorrect results.
Reason is schema is stored and accessed from a property of UDFContext without
using a context signature.
UDFContext context = UDFContext.getUDFContext();
Properties property = context.getUDFProperties(ResourceSchema.class);
String prevSchemaStr =
property.getProperty(AVRO_OUTPUT_SCHEMA_PROPERTY);
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