Regression: an invalid query regarding union onschema becoming valid
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Key: PIG-2063
URL: https://issues.apache.org/jira/browse/PIG-2063
Project: Pig
Issue Type: Bug
Affects Versions: 0.9.0
Reporter: Xuefu Zhang
Assignee: Thejas M Nair
Fix For: 0.9.0
The following query fails in 0.8:
A = load 'x' as (x:long, y:chararray);
B = load 'y' as (x:long, y:float);
C = union onschema A, B;
grunt> C = union onschema A, B;
2011-05-12 09:01:47,031 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR
1031: Incompatible types for merging schemas. Field schema: y: chararray Other
field schema: y: float
However, in 0.9 validation doesn't catch the error. It seems float is cast to
chararray automatically.
grunt> describe C;
C: {x: long,y: chararray}
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