Module variant_get 

Re-exports

use arrow::array; 🔒

use arrow::array::Array; 🔒

use arrow::array::ArrayRef; 🔒

use arrow::array::GenericListArray; 🔒

use arrow::array::GenericListViewArray; 🔒

use arrow::array::ListLikeArray; 🔒

use arrow::array::StructArray; 🔒

use arrow::array::UInt64Array; 🔒

use arrow::array::make_array; 🔒

use arrow::buffer::NullBuffer; 🔒

use arrow::compute::CastOptions; 🔒

use arrow::compute::take; 🔒

use arrow::datatypes::Field; 🔒

use arrow::error::Result; 🔒

use arrow_schema::ArrowError; 🔒

use arrow_schema::DataType; 🔒

use arrow_schema::FieldRef; 🔒

use parquet_variant::VariantPath; 🔒

use parquet_variant::VariantPathElement; 🔒

use crate::ShreddingState; 🔒

use crate::variant_array::all_null_value_column; 🔒

use crate::variant_to_arrow::make_variant_to_arrow_row_builder; 🔒

use crate::VariantArray; 🔒

use crate::VariantType; 🔒

use crate::unshred_variant; 🔒

use crate::unshred_variant; 🔒

use arrow::array::AsArray; 🔒

use std::sync::Arc; 🔒

Structs

GetOptions

Controls the action of the variant_get kernel.

Enums

ShreddedPathStep 🔒

Functions

follow_list_like_index 🔒

Take one list-like element (at index) per input row as the next path step.

follow_shredded_path_element 🔒

Given a shredded variant field – a (value?, typed_value?) pair – try to take one path step deeper. For a VariantPathElement::Field, if there is no typed_value at this level, if typed_value is not a struct, or if the requested field name does not exist, traversal returns a missing-path step (Missing or NotShredded depending on whether value exists).

requested_field_is_shredded 🔒

Returns true if as_field requests shredded Variant output.

shredded_get_path 🔒

Follows the given path as far as possible through shredded variant fields. If the path ends on a shredded field, return it directly. Otherwise, use a row shredder to follow the rest of the path and extract the requested value on a per-row basis.

try_perfect_shredding 🔒

variant_get

Returns an array with the specified path extracted from the variant values.