Type error message does not include complex type
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Key: PIG-1499
URL: https://issues.apache.org/jira/browse/PIG-1499
Project: Pig
Issue Type: Improvement
Components: impl
Affects Versions: 0.7.0
Environment: Hadoop 0.20.104.3.1007030707
Apache Pig version 0.7.0.20.100.1.1006041903 (r951530)
Reporter: Sherry Chen
Priority: Minor
When loading data as a bag, if the schema specification is not correct, error
message does not include useful information about bag.
For example, input file as "input.txt", working script as "working.pig", non
working as "not_working.pig" as following:
input.txt
{(2, 3)}
{(4, 6)}
{(5, 7)}
not_working.pig
A = LOAD 'input.txt' AS (f1:bag[T:tuple(t1, t2)]);
describe A;
dump A;
working .pig
A = LOAD 'input.txt' AS (f1:bag{T:tuple(t1, t2)});
describe A;
dump A;
if run: " pig -latest -x local working.pig", we get result:
({(2, 3)})
({(4, 6)})
({(5, 7)})
if run " pig -latest -x local not_working.pig", we get:
ERROR org.apache.pig.tools.grunt.Grunt - ERROR 1000: Error during parsing.
Encountered " "bag" "bag "" at line 1, column 29.
Was expecting one of:
"int" ...
"long" ...
"float" ...
"double" ...
"chararray" ...
"bytearray" ...
"int" ...
"long" ...
"float" ...
"double" ...
"chararray" ...
"bytearray" ...
Please include bag{} map[] tuple() in Error message for better addressing the
error.
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