com.pingcap.tikv.expression

类 RangePartitionPruner

java.lang.Object

com.pingcap.tikv.expression.RangePartitionPruner

public class RangePartitionPruner
extends Object

方法概要

限定符和类型	方法和说明
boolean	canBePruned(Expression filter) return false if table cannot be pruning or partition table is not enabled.
List<TiPartitionDef>	prune(List<Expression> filters)

从类继承的方法 java.lang.Object

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

方法详细资料

prune

public List<TiPartitionDef> prune(List<Expression> filters)

canBePruned

public boolean canBePruned(Expression filter)

return false if table cannot be pruning or partition table is not enabled. Return true if partition pruning can be applied.

参数:

filter - is a where condition. It must be a cnf and does not contain not or isnull.

返回:

true if partition pruning can apply on filter.