Commits
Wes McKinney authored 24332893142
ARROW-696: [C++] Support decimals in IPC and JSON reader/writer to enable integration tests Also adds `arrow::decimal` function and renames `decimal` namespace to `DecimalUtil`. The decimal array tests have been consolidated in array-test.cc. Fixed a signedness bug in HexEncode used in JSON write and pretty printing Author: Wes McKinney <wes.mckinney@twosigma.com> Closes #1049 from wesm/ARROW-696 and squashes the following commits: 73b767cf [Wes McKinney] Support + test decimals in JSON reader/writer c8ca538e [Wes McKinney] Implement IPC roundtrip for decimals 9f7cef6b [Wes McKinney] Some decimal API refinements. Add failing IPC test for decimals