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Add doc example for creating FixedSizeListArray #1426

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HaoYang670
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Signed-off-by: remzi [email protected]

Which issue does this PR close?

Closes #1392.

Signed-off-by: remzi <[email protected]>
@github-actions github-actions bot added the arrow Changes to the arrow crate label Mar 11, 2022
/// .add_buffer(Buffer::from_slice_ref(&[0, 1, 2, 3, 4, 5, 6, 7, 8]))
/// .build()
/// .unwrap();
//// // Construct a list array from the above two
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Extra space

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Done.

@jackwener
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BTW, I found that some examples include many assert_check. Just there is a question for me, is it necessary to include many checks in the example?

/// .add_buffer(Buffer::from_slice_ref(&[0, 1, 2, 3, 4, 5, 6, 7, 8]))
/// .build()
/// .unwrap();
//// // Construct a list array from the above two
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"from above two"?

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@@ -342,6 +342,46 @@ pub type LargeListArray = GenericListArray<i64>;

/// A list array where each element is a fixed-size sequence of values with the same
/// type whose maximum length is represented by a i32.
/// # Example
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nit: can we add a blank line before?

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Done

/// assert_eq!(0, list_array.null_count());
/// assert_eq!(6, list_array.value_offset(2));
/// assert_eq!(3, list_array.value_length());
/// assert_eq!(
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maybe it's clearer to compare whole array content here, for instance, checking list_array.value(1) is [0, 1, 2], list_array.value(2) is [3, 4, 5], etc.

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Done!

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Codecov Report

Merging #1426 (6cc1876) into master (4bcc7a6) will decrease coverage by 0.49%.
The diff coverage is n/a.

Impacted file tree graph

@@            Coverage Diff             @@
##           master    #1426      +/-   ##
==========================================
- Coverage   83.17%   82.68%   -0.50%     
==========================================
  Files         182      185       +3     
  Lines       53439    53822     +383     
==========================================
+ Hits        44449    44502      +53     
- Misses       8990     9320     +330     
Impacted Files Coverage Δ
arrow/src/array/array_list.rs 95.52% <ø> (ø)
arrow/src/array/array_binary.rs 92.62% <0.00%> (-0.67%) ⬇️
arrow/src/datatypes/datatype.rs 66.40% <0.00%> (-0.40%) ⬇️
arrow/src/array/transform/mod.rs 86.31% <0.00%> (-0.12%) ⬇️
arrow/src/compute/kernels/substring.rs 98.24% <0.00%> (-0.04%) ⬇️
arrow-flight/src/lib.rs 18.54% <0.00%> (ø)
arrow/src/compute/kernels/window.rs 100.00% <0.00%> (ø)
arrow-flight/src/sql/mod.rs 0.00% <0.00%> (ø)
arrow-flight/examples/flight_sql_server.rs 0.00% <0.00%> (ø)
arrow-flight/src/sql/server.rs 0.00% <0.00%> (ø)
... and 6 more

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LGTM

@sunchao sunchao merged commit 729934c into apache:master Mar 12, 2022
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sunchao commented Mar 12, 2022

Merged, thanks!

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Add doc examples for creating FixedSizeListArray
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