org.apache.calcite.adapter.cassandra

类 CassandraTableScan

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.core.TableScan

org.apache.calcite.adapter.cassandra.CassandraTableScan

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 CassandraTableScan
extends org.apache.calcite.rel.core.TableScan
implements CassandraRel

Relational expression representing a scan of a Cassandra collection.

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

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

hints, table

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

限定符	构造器和说明
protected	CassandraTableScan(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.plan.RelOptTable table, CassandraTable cassandraTable, @Nullable org.apache.calcite.rel.type.RelDataType projectRowType) Creates a CassandraTableScan.

方法概要

限定符和类型	方法和说明
org.apache.calcite.rel.RelNode	copy(org.apache.calcite.plan.RelTraitSet traitSet, List<org.apache.calcite.rel.RelNode> inputs)
org.apache.calcite.rel.type.RelDataType	deriveRowType()
void	implement(CassandraRel.Implementor implementor)
void	register(org.apache.calcite.plan.RelOptPlanner planner)

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

accept, computeSelfCost, estimateRowCount, explainTerms, getHints, getTable, identity, identity, project

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

accept, childrenAccept, collectVariablesSet, collectVariablesUsed, deepEquals, deepHashCode, equals, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getInputs, getRelDigest, getRelTypeName, getRowType, getTraitSet, getVariablesSet, hashCode, isEnforcer, isValid, metadata, onRegister, recomputeDigest, replaceInput, 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, computeSelfCost, deepEquals, deepHashCode, estimateRowCount, explain, explain, fieldIsNullable, getConvention, getCorrelVariable, getDigest, getExpectedInputRowType, getInput, getInputs, getRelDigest, getRelTypeName, getRowType, getTable, getVariablesSet, isEnforcer, isValid, metadata, onRegister, recomputeDigest, 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

CassandraTableScan

protected CassandraTableScan(org.apache.calcite.plan.RelOptCluster cluster,
                             org.apache.calcite.plan.RelTraitSet traitSet,
                             org.apache.calcite.plan.RelOptTable table,
                             CassandraTable cassandraTable,
                             @Nullable org.apache.calcite.rel.type.RelDataType projectRowType)

Creates a CassandraTableScan.

参数:

cluster - Cluster

traitSet - Traits

table - Table

cassandraTable - Cassandra table

projectRowType - Fields and types to project; null to project raw row

方法详细资料

copy

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

指定者:

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

覆盖:

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

deriveRowType

public org.apache.calcite.rel.type.RelDataType deriveRowType()

覆盖:

deriveRowType 在类中 org.apache.calcite.rel.core.TableScan

register

public void register(org.apache.calcite.plan.RelOptPlanner planner)

指定者:

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

覆盖:

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

implement

public void implement(CassandraRel.Implementor implementor)

指定者:

implement 在接口中 CassandraRel