Trait ProvidesColumnByName 

pub trait ProvidesColumnByName {
    // Required methods
    fn schema_fields(&self) -> &ArrowFields;
    fn column_by_name(&self, name: &str) -> Option<&ArrayRef>;
}

Available on crate feature arrow-expression and crate feature default-engine-base and crate feature internal-api and (crate features arrow-conversion or declarative-plans or default-engine-base) only.

Required Methods

fn schema_fields(&self) -> &ArrowFields

fn column_by_name(&self, name: &str) -> Option<&ArrayRef>

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl ProvidesColumnByName for RecordBatch

fn schema_fields(&self) -> &ArrowFields

Available on crate feature internal-api only.

fn column_by_name(&self, name: &str) -> Option<&ArrayRef>

Available on crate feature internal-api only.

impl ProvidesColumnByName for StructArray

fn schema_fields(&self) -> &ArrowFields

Available on crate feature internal-api only.

fn column_by_name(&self, name: &str) -> Option<&ArrayRef>

Available on crate feature internal-api only.

Implementors