Limit Optimizer throw exception "ERROR 2156: Error while fixing projections"
----------------------------------------------------------------------------
Key: PIG-995
URL: https://issues.apache.org/jira/browse/PIG-995
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: 0.3.0
Reporter: Daniel Dai
Fix For: 0.6.0
The following script fail:
A = load '1.txt' AS (a0, a1, a2);
B = order A by a1;
C = limit B 10;
D = foreach C generate $0;
dump D;
Error log:
Caused by: org.apache.pig.impl.plan.VisitorException: ERROR 2156: Error while
fixing projections. Projection map of node to be replaced is null.
at
org.apache.pig.impl.logicalLayer.ProjectFixerUpper.visit(ProjectFixerUpper.java:138)
at org.apache.pig.impl.logicalLayer.LOProject.visit(LOProject.java:408)
at org.apache.pig.impl.logicalLayer.LOProject.visit(LOProject.java:58)
at
org.apache.pig.impl.plan.DepthFirstWalker.depthFirst(DepthFirstWalker.java:65)
at
org.apache.pig.impl.plan.DepthFirstWalker.walk(DepthFirstWalker.java:50)
at org.apache.pig.impl.plan.PlanVisitor.visit(PlanVisitor.java:51)
at org.apache.pig.impl.logicalLayer.LOForEach.rewire(LOForEach.java:761)
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
