Module datafusion::logicalplan

This module provides a logical query plan enum that can describe queries. Logical query plans can be created from a SQL statement or built programmatically via the Table API.

Logical query plans can then be optimized and executed directly, or translated into physical query plans and executed.

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