Jin Shang comments

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                                            Jin Shang

ARROW-17668: [C++][Gandiva] Add parser frontend for Gandiva

@github-actions crossbow submit -g nightly-release

ARROW-17668: [C++][Gandiva] Add parser frontend for Gandiva

@github-actions crossbow submit -g nightly-release

ARROW-17668: [C++][Gandiva] Add parser frontend for Gandiva

@github-actions crossbow submit -g nightly-release

ARROW-17668: [C++][Gandiva] Add parser frontend for Gandiva

@github-actions crossbow submit -g nightly-release

ARROW-13426: [C++][Gandiva] Use platform pointer sizes in code generation

> Is it worth keeping this open/reviving it? cc @js8544 This feature is definitely worth having, if the author would like to resolve the conflicts.

ARROW-17812: [Gandiva][Docs] Add C++ Gandiva User Guide

Thanks!

ARROW-17812: [Gandiva][Docs] Add C++ Gandiva User Guide

@pitrou Would you mind reviewing this PR? I am planning on improving Gandiva's doc based on Will's work.

ARROW-18185: [C++][Compute] Support KEEP_NULL option for compute::Filter

Benchmark result on my machine: https://gist.github.com/js8544/7a1a1e798e41b42f51ccb4112bd2a2c2 Benchmark name ending with 2 (every third benchmark) is with filtered_value_behavior = KEEP_NULL, it is faster than the other two options in most cases,...

ARROW-18185: [C++][Compute] Support KEEP_NULL option for compute::Filter

CI failures are unrelated

clangd does not include C++ system headers in the search path for files with a ".h" extension

I am having the same issue when compiling Tensorflow on a Mac M1 pro. Clangd treated the header files as C files until I added the `"--cxxopt=-xc++"` flag to refresh_compile_commands....