org.apache.calcite.adapter.cassandra

类 CassandraLimit

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.SingleRel

org.apache.calcite.adapter.cassandra.CassandraLimit

所有已实现的接口:

Cloneable, CassandraRel, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode

public class CassandraLimit
extends org.apache.calcite.rel.SingleRel
implements CassandraRel

Implementation of limits in Cassandra.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.calcite.adapter.cassandra.CassandraRel

CassandraRel.Implementor

从接口继承的嵌套类/接口 org.apache.calcite.rel.RelNode

org.apache.calcite.rel.RelNode.Context

字段概要

字段

限定符和类型	字段和说明
@Nullable org.apache.calcite.rex.RexNode	fetch
@Nullable org.apache.calcite.rex.RexNode	offset

从类继承的字段 org.apache.calcite.rel.SingleRel

input

从类继承的字段 org.apache.calcite.rel.AbstractRelNode

digest, id, rowType, traitSet

从接口继承的字段 org.apache.calcite.adapter.cassandra.CassandraRel

CONVENTION

构造器概要

构造器

构造器和说明
CassandraLimit(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode input, @Nullable org.apache.calcite.rex.RexNode offset, @Nullable org.apache.calcite.rex.RexNode fetch)

方法概要

限定符和类型	方法和说明
@Nullable org.apache.calcite.plan.RelOptCost	computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq)
CassandraLimit	copy(org.apache.calcite.plan.RelTraitSet traitSet, List<org.apache.calcite.rel.RelNode> newInputs)
org.apache.calcite.rel.RelWriter	explainTerms(org.apache.calcite.rel.RelWriter pw)
void	implement(CassandraRel.Implementor implementor)

从类继承的方法 org.apache.calcite.rel.SingleRel

childrenAccept, deriveRowType, estimateRowCount, getInput, getInputs, replaceInput

从类继承的方法 org.apache.calcite.rel.AbstractRelNode

accept, accept, collectVariablesSet, collectVariablesUsed, deepEquals, deepHashCode, equals, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getRelDigest, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesSet, hashCode, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, sole, toString

从类继承的方法 java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

从接口继承的方法 org.apache.calcite.rel.RelNode

accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, deepEquals, deepHashCode, estimateRowCount, explain, explain, fieldIsNullable, getConvention, getCorrelVariable, getDigest, getExpectedInputRowType, getInput, getInputs, getRelDigest, getRelTypeName, getRowType, getTable, getVariablesSet, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, replaceInput, stripped

从接口继承的方法 org.apache.calcite.plan.RelOptNode

getCluster, getDescription, getId, getTraitSet

字段详细资料

offset

public final @Nullable org.apache.calcite.rex.RexNode offset

fetch

public final @Nullable org.apache.calcite.rex.RexNode fetch

构造器详细资料

CassandraLimit

public CassandraLimit(org.apache.calcite.plan.RelOptCluster cluster,
                      org.apache.calcite.plan.RelTraitSet traitSet,
                      org.apache.calcite.rel.RelNode input,
                      @Nullable org.apache.calcite.rex.RexNode offset,
                      @Nullable org.apache.calcite.rex.RexNode fetch)

方法详细资料

computeSelfCost

public @Nullable org.apache.calcite.plan.RelOptCost computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner,
                                                                    org.apache.calcite.rel.metadata.RelMetadataQuery mq)

指定者:

computeSelfCost 在接口中 org.apache.calcite.rel.RelNode

覆盖:

computeSelfCost 在类中 org.apache.calcite.rel.AbstractRelNode

copy

public CassandraLimit copy(org.apache.calcite.plan.RelTraitSet traitSet,
                           List<org.apache.calcite.rel.RelNode> newInputs)

指定者:

copy 在接口中 org.apache.calcite.rel.RelNode

覆盖:

copy 在类中 org.apache.calcite.rel.AbstractRelNode

implement

public void implement(CassandraRel.Implementor implementor)

指定者:

implement 在接口中 CassandraRel

explainTerms

public org.apache.calcite.rel.RelWriter explainTerms(org.apache.calcite.rel.RelWriter pw)

覆盖:

explainTerms 在类中 org.apache.calcite.rel.SingleRel