SIDDHARTH TEOTIA created ARROW-1310:
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             Summary: Revert ARROW-886
                 Key: ARROW-1310
                 URL: https://issues.apache.org/jira/browse/ARROW-1310
             Project: Apache Arrow
          Issue Type: Bug
            Reporter: SIDDHARTH TEOTIA
            Assignee: SIDDHARTH TEOTIA


We don't need to reallocate the underlying offsetVector every time a variable 
length vector is reallocated. 

Reallocation of offsetVector is taken care of by setSafe() function of the 
offsetVector. 

The setSafe() function of the Variable Length Vector will decide whether to 
call realloc() or not. However, this should not decide whether offsetVector 
needs reallocation or not. When setSafe() calls offsetVector.setSafe(), the 
latter will decide whether to reallocate the vector or not.



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