org.apache.calcite.adapter.cassandra

类 CassandraProject

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.SingleRel

org.apache.calcite.rel.core.Project

org.apache.calcite.adapter.cassandra.CassandraProject

所有已实现的接口:

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

public class CassandraProject
extends org.apache.calcite.rel.core.Project
implements CassandraRel

Implementation of Project relational expression in Cassandra.

嵌套类概要

从类继承的嵌套类/接口 org.apache.calcite.rel.core.Project

org.apache.calcite.rel.core.Project.Flags

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

从类继承的字段 org.apache.calcite.rel.core.Project

exps, hints, variablesSet

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
CassandraProject(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode input, List<? extends org.apache.calcite.rex.RexNode> projects, org.apache.calcite.rel.type.RelDataType rowType)

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)
org.apache.calcite.rel.core.Project	copy(org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode input, List<org.apache.calcite.rex.RexNode> projects, org.apache.calcite.rel.type.RelDataType rowType)
void	implement(CassandraRel.Implementor implementor)

从类继承的方法 org.apache.calcite.rel.core.Project

accept, containsOver, copy, copy, deepEquals0, deepHashCode0, explainTerms, getAliasedProjects, getFlags, getHints, getMapping, getMapping, getNamedProjects, getPartialMapping, getPermutation, getPermutation, getProjects, getVariablesSet, isBoxed, isMapping, isValid

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, collectVariablesSet, collectVariablesUsed, deepEquals, deepHashCode, equals, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getRelDigest, getRelTypeName, getRowType, getTable, getTraitSet, hashCode, isEnforcer, 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, copy, 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

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

attachHints, withHints

构造器详细资料

CassandraProject

public CassandraProject(org.apache.calcite.plan.RelOptCluster cluster,
                        org.apache.calcite.plan.RelTraitSet traitSet,
                        org.apache.calcite.rel.RelNode input,
                        List<? extends org.apache.calcite.rex.RexNode> projects,
                        org.apache.calcite.rel.type.RelDataType rowType)

方法详细资料

copy

public org.apache.calcite.rel.core.Project copy(org.apache.calcite.plan.RelTraitSet traitSet,
                                                org.apache.calcite.rel.RelNode input,
                                                List<org.apache.calcite.rex.RexNode> projects,
                                                org.apache.calcite.rel.type.RelDataType rowType)

指定者:

copy 在类中 org.apache.calcite.rel.core.Project

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.core.Project

implement

public void implement(CassandraRel.Implementor implementor)

指定者:

implement 在接口中 CassandraRel