Join Logical Operator
Join
is a binary logical operator, i.e. works with two logical operators. Join
has a join type and an optional expression condition for the join.
Join
is created when…FIXME
Note
|
CROSS JOIN is just an INNER JOIN with no join condition. |
Join
has output schema attributes…FIXME
Creating Join Instance
Join
takes the following when created:
-
Logical plan of the left side
-
Logical plan of the right side
-
Join condition (if available) as a Catalyst expression