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  1. Apache Arrow
  2. ARROW-7660

[C++][Gandiva] Optimise castVarchar(string, int) function for single byte characters

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      The current castVarchar function does byte by byte check for handling multibyte characters. Since most of the time string consists of single byte characters optimise it for that case and move to the slow path when multibyte characters detected.

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              projjal Projjal Chanda
              projjal Projjal Chanda
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