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From "Mehant Baid" <baid.meh...@gmail.com>
Subject Review Request 16241: DRILL-323: Modify FunctionRegistry to handle functions with greater than two inputs correctly.
Date Fri, 13 Dec 2013 07:26:13 GMT

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Review request for drill and Jacques Nadeau.

Repository: drill-git


In FunctionRegistry (createByOp) while creating a logical expression for the operator we were
using the entire list of arguments instead of using two at a time. For example while performing
an 'add' with three numbers, instead of creating a logical expression with the first two inputs,
which would be input to another logical expression along with the third input, we were creating
a single logical expression with three inputs. In this case we would try and find a function
implementation for add with three inputs and fail. 

Minor modification to simply use the two arguments at a time and create the appropriate logical
expression tree.


  common/src/main/java/org/apache/drill/common/expression/FunctionRegistry.java 73e1925 
  exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestMultiInputAdd.java PRE-CREATION

  exec/java-exec/src/test/resources/functions/multi_input_add_test.json PRE-CREATION 

Diff: https://reviews.apache.org/r/16241/diff/


Added test that performs addition with four inputs. 


Mehant Baid

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