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https://issues.apache.org/jira/browse/PIG-353?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Santhosh Srinivasan updated PIG-353:
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Attachment: bag_schema_bag_constant_as_clause.patch
Patch fixes the following issues:
1. Grunt parser can disambiguate '{' amongst the foreach nesting, bag constant
and bag schema declaration
2. The AS clause in conjunction with generate works. Fully qualified schema
specified with the AS clause is set correctly.
When a column is aliased in the generate statement, the schema should be fully
qualified. The patch failed testSUM1 in TestTypeChecking.java. A column cast to
type long was aliased as age. Since the type information for age was not
specified, bytearray is inferred as the type. Casts to bytearray are not
supported. As a result, the type checker flagged this as an error. In order to
fix, the alias had to be fully qualified, i.e., age:long
{code}
//old code
LogicalPlan plan1 = planTester.buildPlan("b = foreach a generate (long)age as
age, (int)gpa as gpa;") ;
//modified code
LogicalPlan plan1 = planTester.buildPlan("b = foreach a generate (long)age as
age:long, (int)gpa as gpa:int;") ;
{code}
Unit tests that still fail are:
[junit] Running org.apache.pig.test.TestBuiltin
[junit] Tests run: 23, Failures: 1, Errors: 2, Time elapsed: 14.297 sec
[junit] Test org.apache.pig.test.TestBuiltin FAILED
[junit] Running org.apache.pig.test.TestEvalPipeline
[junit] Tests run: 9, Failures: 1, Errors: 0, Time elapsed: 145.656 sec
[junit] Test org.apache.pig.test.TestEvalPipeline FAILED
[junit] Running org.apache.pig.test.TestFilterOpNumeric
[junit] Tests run: 8, Failures: 0, Errors: 1, Time elapsed: 57.466 sec
[junit] Test org.apache.pig.test.TestFilterOpNumeric FAILED
[junit] Running org.apache.pig.test.TestMRCompiler
[junit] Tests run: 16, Failures: 1, Errors: 0, Time elapsed: 0.37 sec
[junit] Test org.apache.pig.test.TestMRCompiler FAILED
[junit] Running org.apache.pig.test.TestStoreOld
[junit] Tests run: 3, Failures: 0, Errors: 2, Time elapsed: 40.966 sec
[junit] Test org.apache.pig.test.TestStoreOld FAILED
> Certain parse errors force exit from grunt (interactive mode)
> -------------------------------------------------------------
>
> Key: PIG-353
> URL: https://issues.apache.org/jira/browse/PIG-353
> Project: Pig
> Issue Type: Bug
> Affects Versions: types_branch
> Reporter: Olga Natkovich
> Assignee: Santhosh Srinivasan
> Fix For: types_branch
>
> Attachments: bag_schema_bag_constant_as_clause.patch,
> bag_schema_in_pigscript_parser.patch
>
>
> I tried the following load:
> A = load 'foo' as (B: bag{T: tuple(I: int)});
> and it gave me a huge stack and through me out of grunt
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