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  1. Apache Arrow
  2. ARROW-6034

[C++][Gandiva] Add string functions in Gandiva

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      Description

      Add following functions in Gandiva -

      substr(str, offset, len) : returns substring of length len starting from offset. negative offset is counted from string end.

      substr(str, offset) : returns substring starting from offset. negative offset is counted from string end.

      concat(str1, str2) : concatenate two strings

      castVARCHAR(timestamp, len) : returns timestamp as string of length len

      convert_fromUTF8(binary): convert binary array to string

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              • Assignee:
                pprudhvi Prudhvi Porandla
                Reporter:
                pprudhvi Prudhvi Porandla
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