expand docs for FixedSizeListArray#4622
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alamb
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Aug 2, 2023
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| /// │ [C,NULL] │ │ 1 │ │ │ 0 │ │ NULL │ │ 2 | ||
| /// └─────────────┘ │ └───┘ ├───┤ ├──────┤ │ | ||
| /// | │ 0 │ │ NULL │ │ 3 |
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When an array element is null, the values can be anything (valid). So I suggest using ???? to show that the contents could be something unknown:
Suggested change
| /// │ [C,NULL] │ │ 1 │ │ │ 0 │ │ NULL │ │ 2 | |
| /// └─────────────┘ │ └───┘ ├───┤ ├──────┤ │ | |
| /// | │ 0 │ │ NULL │ │ 3 | |
| /// │ [C,NULL] │ │ 1 │ │ │ 0 │ │ ???? │ │ 2 | |
| /// └─────────────┘ │ └───┘ ├───┤ ├──────┤ │ | |
| /// | │ 0 │ │ ???? │ │ 3 |
| /// Logical Values │ Validity ├───┤ ├──────┤ │ | ||
| /// (nulls) │ │ 1 │ │ C │ │ 4 | ||
| /// │ ├───┤ ├──────┤ │ | ||
| /// │ │ 0 │ │ NULL │ │ 5 |
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Same thing here:
Suggested change
| /// │ │ 0 │ │ NULL │ │ 5 | |
| /// │ │ 0 │ │ ??? │ │ 5 |
| /// ``` | ||
| /// | ||
| /// [`StringArray`]: crate::array::StringArray | ||
| /// An array of [fixed size arrays](https://arrow.apache.org/docs/format/Columnar.html#fixed-size-list-layout) |
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I think this link formatting is a little off
Suggested change
| /// An array of [fixed size arrays](https://arrow.apache.org/docs/format/Columnar.html#fixed-size-list-layout) | |
| /// [fixed size arrays]: https://arrow.apache.org/docs/format/Columnar.html#fixed-size-list-layout |
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Pushed the recommended changes @alamb . Thanks for the review! |
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|
Thank you |
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Which issue does this PR close?
Relates to #4607
Rationale for this change
Added extra docs to FixedSizeListArray to document its logical and physical layout.
What changes are included in this PR?
Just docs
Are there any user-facing changes?
Noe
Noe