Crate datafusion_common
source · [−]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
Represents a dynamically typed, nullable single value.
This is the single-valued counter-part of arrow’s Array
.
Constants
The max precision and scale for decimal128
Traits
Provides schema information needed by certain methods of Expr
(defined in the datafusion-common crate).
Trait used to map a NativeTime to a ScalarType.
Convenience trait to convert Schema like things to DFSchema and DFSchemaRef with fewer keystrokes
Type Definitions
A reference-counted reference to a DFSchema
.
Result type for operations that could result in an DataFusionError