[PIG-1820] New logical plan: FilterLogicExpressionSimplifier fail to deal with UDF

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.8.0
• Fix Version/s: 0.8.1
• Component/s: impl
• Hadoop Flags: Reviewed
• Assignee: Daniel Dai
• Reporter: Daniel Dai
• Created: 24/Jan/11 23:31
• Updated: 25/Apr/11 21:27
• Resolved: 18/Feb/11 01:32

Description

The following script fail:

a = load '1.txt' as (a0, a1);
b = filter a by (a0 is not null or a1 is not null) and IsEmpty(a0);
explain b;

Error message:
Caused by: java.lang.ClassCastException: org.apache.pig.newplan.logical.expression.UserFuncExpression cannot be cast to org.apache.pig.newplan.logical.expression.BinaryExpression
at org.apache.pig.newplan.logical.rules.LogicalExpressionSimplifier$LogicalExpressionSimplifierTransformer.handleBinary(LogicalExpressionSimplifier.java:561)
at org.apache.pig.newplan.logical.rules.LogicalExpressionSimplifier$LogicalExpressionSimplifierTransformer.handleAnd(LogicalExpressionSimplifier.java:429)
at org.apache.pig.newplan.logical.rules.LogicalExpressionSimplifier$LogicalExpressionSimplifierTransformer.inferRelationship(LogicalExpressionSimplifier.java:397)
at org.apache.pig.newplan.logical.rules.LogicalExpressionSimplifier$LogicalExpressionSimplifierTransformer.handleDNFOr(LogicalExpressionSimplifier.java:281)
at org.apache.pig.newplan.logical.rules.LogicalExpressionSimplifier$LogicalExpressionSimplifierTransformer.checkDNFLeaves(LogicalExpressionSimplifier.java:192)
at org.apache.pig.newplan.logical.rules.LogicalExpressionSimplifier$LogicalExpressionSimplifierTransformer.transform(LogicalExpressionSimplifier.java:108)
at org.apache.pig.newplan.optimizer.PlanOptimizer.optimize(PlanOptimizer.java:110)