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Add DataType::is_nested() #2707

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merged 2 commits into from
Sep 12, 2022
Merged

Add DataType::is_nested() #2707

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a9bfca1
Add DataType::is_nested()
kfastov Sep 12, 2022
1253502
Fix documentation for is_nested
kfastov Sep 12, 2022
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14 changes: 14 additions & 0 deletions arrow/src/datatypes/datatype.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -1439,6 +1439,20 @@ impl DataType {
)
}

/// Returns true if this type is nested (List, FixedSizeList, LargeList, Struct, Union, or Map)
pub fn is_nested(t: &DataType) -> bool {
use DataType::*;
matches!(
t,
List(_)
| FixedSizeList(_, _)
| LargeList(_)
| Struct(_)
| Union(_, _, _)
| Map(_, _)
)
}

/// Compares the datatype with another, ignoring nested field names
/// and metadata.
pub fn equals_datatype(&self, other: &DataType) -> bool {
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