Dereference partial name failed
-------------------------------
Key: PIG-1927
URL: https://issues.apache.org/jira/browse/PIG-1927
Project: Pig
Issue Type: Bug
Reporter: Daniel Dai
Assignee: Daniel Dai
The following script fail:
{code}
a = load '1.txt' as (a0:int, a1);
b = group a by a0;
c = foreach b generate flatten(a);
d = cogroup c by (a0);
e = foreach d generate c.a0 as e0;
f = foreach e generate e0;
describe f;
{code}
Error message:
Caused by: Failed to generate logical plan. Nested exception:
org.apache.pig.impl.logicalLayer.FrontendException: ERROR 0: Cannot find field
a0 in a::a0#17:int,a::a1#18:bytearray
at
org.apache.pig.parser.LogicalPlanGenerator.alias_col_ref(LogicalPlanGenerator.java:12835)
at
org.apache.pig.parser.LogicalPlanGenerator.col_ref(LogicalPlanGenerator.java:12697)
at
org.apache.pig.parser.LogicalPlanGenerator.projectable_expr(LogicalPlanGenerator.java:7715)
at
org.apache.pig.parser.LogicalPlanGenerator.var_expr(LogicalPlanGenerator.java:7491)
at
org.apache.pig.parser.LogicalPlanGenerator.expr(LogicalPlanGenerator.java:6904)
at
org.apache.pig.parser.LogicalPlanGenerator.flatten_generated_item(LogicalPlanGenerator.java:5235)
at
org.apache.pig.parser.LogicalPlanGenerator.generate_clause(LogicalPlanGenerator.java:11022)
at
org.apache.pig.parser.LogicalPlanGenerator.foreach_plan(LogicalPlanGenerator.java:10789)
at
org.apache.pig.parser.LogicalPlanGenerator.foreach_clause(LogicalPlanGenerator.java:10670)
at
org.apache.pig.parser.LogicalPlanGenerator.op_clause(LogicalPlanGenerator.java:1280)
at
org.apache.pig.parser.LogicalPlanGenerator.general_statement(LogicalPlanGenerator.java:646)
at
org.apache.pig.parser.LogicalPlanGenerator.statement(LogicalPlanGenerator.java:467)
at
org.apache.pig.parser.LogicalPlanGenerator.query(LogicalPlanGenerator.java:365)
at
org.apache.pig.parser.QueryParserDriver.parse(QueryParserDriver.java:64)
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