DX-105463: [C++][Gandiva] Add TimestampIR for unit-aware timestamp[us/ns] support#137

lriggs merged 7 commits into

dremio:dremio_27.0_23_19dremio/arrow:dremio_27.0_23_19from

lriggs:nanos_dremio_27.0_23_19lriggs/arrow:nanos_dremio_27.0_23_19Copy head branch name to clipboard