Re-exports

pub use scalar::ScalarType;
pub use scalar::ScalarValue;

Modules

This module provides ScalarValue, an enum that can be used for storage of single elements

Macros

Structs

A named reference to a qualified field in a schema.

DFField wraps an Arrow field and adds an optional qualifier

DFSchema wraps an Arrow schema and adds relation names

Enums

DataFusion error

Schema-related errors

Traits

Provides schema information needed by certain methods of Expr (defined in the datafusion-common crate).

Convenience trait to convert Schema like things to DFSchema and DFSchemaRef with fewer keystrokes

Functions

Create a “field not found” DataFusion::SchemaError

Type Definitions

A reference-counted reference to a DFSchema.

Result type for operations that could result in an DataFusionError