[jira] [Created] (DRILL-422) Use pseudo-injection buffer in function implementation when it requires temporary buffer

["Jinfeng Ni (JIRA)" <ji...@apache.org>]

Jinfeng Ni created DRILL-422:
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             Summary: Use pseudo-injection buffer in function implementation when it requires temporary buffer
                 Key: DRILL-422
                 URL: https://issues.apache.org/jira/browse/DRILL-422
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Jinfeng Ni


In DRILL-379, the code uses a wrapper buffer over a java byte array for temporary buffer used by some string functions. However, such wrapper buffer will use big endian, different from Drill's native little endian. This may not be a big issue for string, but could cause serious issues for other types.  

In stead, we should use an approach where the buffer is provided from Drill fragment context through pseudo-injection to get the access to buffers, and the context will be responsible for cleaning things up.





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