[][src]Module datafusion::logicalplan

Logical query plan

Structs

FunctionMeta

Logical representation of a UDF (user-defined function)

Enums

Expr

Relation expression

FunctionType

Enumeration of supported function types (Scalar and Aggregate)

LogicalPlan

The LogicalPlan represents different types of relations (such as Projection, Selection, etc) and can be created by the SQL query planner and the DataFrame API.

Operator

Operators applied to expressions

ScalarValue

ScalarValue enumeration

Functions

can_coerce_from

Verify a given type cast can be performed