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Quang HoangGitHub
b87370d6071
Quang Hoang authored and GitHub committed e9f0b3f7a33
ARROW-17458: [C++] Cast between decimal and string (#14232)

* Update cast_string and cast_decimal function kernels to support string <--> decimal
* Rely on existing converter/parser: Decimal::ToString, Decimal::FromString
* Follow current layout closely

Relates to: https://issues.apache.org/jira/browse/ARROW-17042 and https://issues.apache.org/jira/browse/ARROW-17458

Authored-by: Quang Hoang <quanghgx@gmail.com>
Signed-off-by: Weston Pace <weston.pace@gmail.com>