Type Checking, incorrect error message
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Key: PIG-1928
URL: https://issues.apache.org/jira/browse/PIG-1928
Project: Pig
Issue Type: Bug
Reporter: Xuefu Zhang
Assignee: Thejas M Nair
Pig gives incorrect error message for the following query:
A =LOAD 'x' USING PigStorage() AS ( Fint:int, Flong:long, Fdouble:double,
Ffloat:float, Fchar:chararray, Fchararray:chararray, Fbytearray:bytearray,
Fmap:map[], Fbag:BAG{ t:tuple( name, age, avg ) }, Ftuple:( name:chararray,
age:int, avg:float) );
B =GROUP A ALL;
X =FOREACH B GENERATE A.Fint, SUM( A.Fint + ( 1 + 0) );
STORE X INTO 'y.out' USING PigStorage();
Error message given:
2011-03-21 16:53:14,602 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR
1039: incompatible types in Add Operator left hand side:Unknown
null#63:tuple(Fint#42:int) right hand side:Unknown
In 0.8, the following error msg is given:
2011-03-21 22:10:30,945 [main] ERROR org.apache.pig.tools.grunt.Grunt - ERROR
1039: In alias X, incompatible types in Add Operator left hand side:bag right
hand side:int
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