new parser : duplicate ConstantExpressions created in inner plan
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Key: PIG-1795
URL: https://issues.apache.org/jira/browse/PIG-1795
Project: Pig
Issue Type: Sub-task
Components: impl
Reporter: Thejas M Nair
Assignee: Xuefu Zhang
Fix For: 0.9.0
For the query -
{code}
A = load 'x' using org.apache.pig.TextLoader( 'a', 'b' ) as ( u:int, v:long,
w:bytearray);
B = filter A by 2 > 1;
{code}
The plan generated has duplicate ConstExpressions in the inner plan of the
filter -
{code}
Generated logical plan: #-----------------------------------------------
# New Logical Plan:
#-----------------------------------------------
B: (Name: LOFilter Schema: null)
| |
| (Name: Constant Type: null Uid: null)
|
| (Name: GreaterThan Type: null Uid: null)
| |
| |---(Name: Constant Type: null Uid: null)
| |
| |---(Name: Constant Type: null Uid: null)
|
| (Name: Constant Type: null Uid: null)
|
|---A: (Name: LOLoad Schema: null)
{code}
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