io.prestosql.sql.planner

Class FragmentTableScanCounter

java.lang.Object

io.prestosql.sql.planner.FragmentTableScanCounter

public final class FragmentTableScanCounter
extends Object

Visitor to count number of tables scanned in the current fragment (fragments separated by ExchangeNodes).

TODO: remove this class after we make colocated_join always true

Method Summary

Modifier and Type	Method and Description
static int	countSources(List<PlanNode> nodes)
static boolean	hasMultipleSources(PlanNode... nodes)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

countSources

public static int countSources(List<PlanNode> nodes)

hasMultipleSources

public static boolean hasMultipleSources(PlanNode... nodes)