ARROW-7051: [C++] Improve MakeArrayOfNull to support creation of multiple arrays - #12116

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jvanstraten wants to merge 25 commits into

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jvanstraten:ARROW-7051-Improve-MakeArrayOfNull-to-support-creat

Commits on Feb 10, 2022

Remove dead code in memory pool
jvanstraten
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91aaf46
Add MakeBufferOfZeros() and supporting MemoryPool abstractions
jvanstraten
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297f0d7
Separate MakeArrayOfNull and MakeArrayFromScalar into mutable and immutable variants
jvanstraten
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389a188
Fix one instance of mutable access to result of MakeArrayOfNulls()
jvanstraten
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4db1397
Fix compilation on some compilers, clean up slightly
jvanstraten
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fc5fac9
Fix missing pointer dereference
jvanstraten
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d181c1d
Refactor NULLPTR to nullptr in .cc files
jvanstraten
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2d5064c
Allow mmap-based optimization for immutable zeros to be disabled using a macro
jvanstraten
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700f5c9
Fix typo/lint violation
jvanstraten
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5dc66ef
Fix docstrings to align with earlier refactor
jvanstraten
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bd3810c
Refactor @param to \param
jvanstraten
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498d12f
Use BytesForBits utility function
jvanstraten
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9d055d1
Fix MakeMutableArrayOfNull not being fully mutable for nested types
jvanstraten
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7ce1bc6
Refactor ImmutableNullArrayFactory to NullArrayFactory and NullArrayFactory to MutableNullArrayFactory for consistency with public functions
jvanstraten
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9056106
Hide ImmutableZeros class using Buffer interface, extend abstractions to MemoryManager interface
jvanstraten
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81aa078

Commits on Feb 14, 2022

Fix lint violation due to typo
jvanstraten
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3a10fca
Fix possibly custom memory pool not used for creation of buffer
jvanstraten
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a4c3413
Add missing is_mutable() override
jvanstraten
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41ebefc

Commits on Feb 15, 2022

Commits on Feb 16, 2022

Use internal::atomic[load|store] for shared_ptr for compatibility
jvanstraten
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dee486a

Commits on Feb 17, 2022

Revert addition of special memory manager for immutable zeros
jvanstraten
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976dcf6