JoinSelection

JoinSelection is a Strategy that…​FIXME

Caution
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When applied to a LogicalPlan, its processing varies per join type.

Table 1. JoinSelection’s Cases
Name Behaviour

ExtractEquiJoinKeys

Join

ExtractEquiJoinKeys

ExtractEquiJoinKeys is a pattern used to destructure a Join into a tuple of (JoinType, Seq[Expression], Seq[Expression], Option[Expression], LogicalPlan, LogicalPlan).

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