Module datafusion::physical_plan::join_utils

Join related functionality used both on logical and physical plans

Structs

ColumnIndex

Information about the index and placement (left or right) of the columns

JoinFilter

Filter applied before join output

Enums

JoinSide

Used in ColumnIndex to distinguish which side the index is for

Functions

build_join_schema

Creates a schema for a join operation. The fields from the left side are first

check_join_is_valid

Checks whether the schemas “left” and “right” and columns “on” represent a valid join. They are valid whenever their columns’ intersection equals the set on

Type Definitions

JoinOn

The on clause of the join, as vector of (left, right) columns.

JoinOnRef

Reference for JoinOn.