Receive schema from flight data

[viirya]

Which issue does this PR close?

Closes #1669.

Rationale for this change

What changes are included in this PR?

Are there any user-facing changes?

[codecov-commenter]

Codecov Report

Merging #1670 (3628b43) into master (f74ad34) will decrease coverage by 0.00%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #1670      +/-   ##
==========================================
- Coverage   83.11%   83.10%   -0.01%     
==========================================
  Files         193      193              
  Lines       55875    55881       +6     
==========================================
+ Hits        46439    46441       +2     
- Misses       9436     9440       +4     

Impacted Files	Coverage Δ
...ng/src/flight_client_scenarios/integration_test.rs	0.00% <0.00%> (ø)
arrow/src/array/transform/mod.rs	86.80% <0.00%> (+0.11%)	⬆️
arrow/src/datatypes/datatype.rs	66.80% <0.00%> (+0.39%)	⬆️

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[tustvold]

Nice 👍

I do wonder if we should provide a flight client abstraction to hide these edge-cases from unsuspecting users, including ourselves 😄

[viirya]

I hope this is the only issue we need to deal with.

[viirya]

Thank you @tustvold !