public static class QueryPlan.EquiJoinNode extends QueryPlan.BranchQueryPlanNode
An equi-join is the most common type of join.
At query runtime, this decides the best best way to perform the join, either by
left, right
Constructor and Description |
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EquiJoinNode(QueryPlanNode left,
QueryPlanNode right,
Variable[] left_cols,
Variable[] right_cols) |
Modifier and Type | Method and Description |
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Object |
clone()
Deep clone.
|
Table |
evaluate(QueryContext context)
Evaluates the node and returns the result as a Table.
|
debugString, discoverCorrelatedVariables, discoverTableNames, left, right, titleString
public EquiJoinNode(QueryPlanNode left, QueryPlanNode right, Variable[] left_cols, Variable[] right_cols)
public Table evaluate(QueryContext context)
QueryPlanNode
public Object clone() throws CloneNotSupportedException
QueryPlan.BranchQueryPlanNode
clone
in interface QueryPlanNode
clone
in class QueryPlan.BranchQueryPlanNode
CloneNotSupportedException
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