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Trait re_data_store::ArrayExt

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pub trait ArrayExt: Array {
    // Required methods
    fn get_child_length(&self, child_nr: usize) -> usize;
    fn clean_for_polars(&self) -> Box<dyn Array>;
}

Required Methods§

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fn get_child_length(&self, child_nr: usize) -> usize

Returns the length of the child array at the given index.

  • Panics if self is not a ListArray<i32>.
  • Panics if child_nr is out of bounds.
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fn clean_for_polars(&self) -> Box<dyn Array>

Create a new Array which avoids problematic types for polars.

This does the following conversion:

  • FixedSizeList -> List
  • Union -> Struct

Nested types are expanded and cleaned recursively

Implementations on Foreign Types§

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impl ArrayExt for dyn Array

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fn get_child_length(&self, child_nr: usize) -> usize

Return the length of the first child.

Panics

Panics if Self is not a ListArray<i32>, or if the array is empty (no children).

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fn clean_for_polars(&self) -> Box<dyn Array>

Create a new Array which avoids problematic types for polars.

This does the following conversion:

  • FixedSizeList -> List
  • Union -> Struct

Nested types are expanded and cleaned recursively

Implementors§