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
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Note
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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:
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Logical plan of the left side
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Logical plan of the right side
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Join condition (if available) as a Catalyst expression