Padding nulls to the input tuple according to input schema
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Key: PIG-1188
URL: https://issues.apache.org/jira/browse/PIG-1188
Project: Pig
Issue Type: Bug
Components: impl
Affects Versions: 0.6.0
Reporter: Daniel Dai
Fix For: 0.7.0
Currently, the number of fields in the input tuple is determined by the data.
When we have schema, we should generate input data according to the schema, and
padding nulls if necessary. Here is one example:
Pig script:
{code}
a = load '1.txt' as (a0, a1);
dump a;
{code}
Input file:
{code}
1 2
1 2 3
1
{code}
Current result:
{code}
(1,2)
(1,2,3)
(1)
{code}
Desired result:
{code}
(1,2)
(1,2)
(1, null)
{code}
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