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get_indexed_field in datafusion_expr::field_util - Rust
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Function datafusion_expr::field_util::get_indexed_field

source · [−]
pub fn get_indexed_field(
    data_type: &DataType,
    key: &ScalarValue
) -> Result<Field>
Expand description

Returns the field access indexed by key from a DataType::List or DataType::Struct

Error

Errors if

  • the data_type is not a Struct or,
  • there is no field key is not of the required index type