org.apache.shardingsphere.infra.federation.optimizer.metadata.translatable

类 FederationTranslatableTable

java.lang.Object

org.apache.calcite.schema.impl.AbstractTable

org.apache.shardingsphere.infra.federation.optimizer.metadata.translatable.FederationTranslatableTable

所有已实现的接口:

org.apache.calcite.schema.QueryableTable, org.apache.calcite.schema.Table, org.apache.calcite.schema.TranslatableTable, org.apache.calcite.schema.Wrapper

public final class FederationTranslatableTable
extends org.apache.calcite.schema.impl.AbstractTable
implements org.apache.calcite.schema.QueryableTable, org.apache.calcite.schema.TranslatableTable

Federation translatable table.

构造器概要

构造器

构造器和说明
FederationTranslatableTable()

方法概要

限定符和类型	方法和说明
<T> org.apache.calcite.linq4j.Queryable<T>	asQueryable(org.apache.calcite.linq4j.QueryProvider queryProvider, org.apache.calcite.schema.SchemaPlus schema, String tableName)
Type	getElementType()
org.apache.calcite.linq4j.tree.Expression	getExpression(org.apache.calcite.schema.SchemaPlus schema, String tableName, Class clazz)
org.apache.calcite.rel.type.RelDataType	getRowType(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)
org.apache.calcite.schema.Statistic	getStatistic()
org.apache.calcite.linq4j.Enumerable<Object[]>	project(org.apache.calcite.DataContext root, int[] projects) Execute filter and project when query the federation translatable table.
org.apache.calcite.linq4j.Enumerable<Object[]>	projectAndFilter(org.apache.calcite.DataContext root, String[] filterValues, int[] projects) Execute filter and project when query the federation translatable table.
org.apache.calcite.rel.RelNode	toRel(org.apache.calcite.plan.RelOptTable.ToRelContext context, org.apache.calcite.plan.RelOptTable relOptTable)
String	toString()

从类继承的方法 org.apache.calcite.schema.impl.AbstractTable

getJdbcTableType, isRolledUp, rolledUpColumnValidInsideAgg, unwrap

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.calcite.schema.Table

getJdbcTableType, isRolledUp, rolledUpColumnValidInsideAgg

从接口继承的方法 org.apache.calcite.schema.Wrapper

maybeUnwrap, unwrapOrThrow

构造器详细资料

FederationTranslatableTable

public FederationTranslatableTable()

方法详细资料

getRowType

public org.apache.calcite.rel.type.RelDataType getRowType(org.apache.calcite.rel.type.RelDataTypeFactory typeFactory)

指定者:

getRowType 在接口中 org.apache.calcite.schema.Table

projectAndFilter

public org.apache.calcite.linq4j.Enumerable<Object[]> projectAndFilter(org.apache.calcite.DataContext root,
                                                                       String[] filterValues,
                                                                       int[] projects)

Execute filter and project when query the federation translatable table.

参数:

root - data context

filterValues - right value in filter condition

projects - fields to be projected

返回:

enumerable result

project

public org.apache.calcite.linq4j.Enumerable<Object[]> project(org.apache.calcite.DataContext root,
                                                              int[] projects)

Execute filter and project when query the federation translatable table.

参数:

root - data context

projects - fields to be projected

返回:

enumerable result

getExpression

public org.apache.calcite.linq4j.tree.Expression getExpression(org.apache.calcite.schema.SchemaPlus schema,
                                                               String tableName,
                                                               Class clazz)

指定者:

getExpression 在接口中 org.apache.calcite.schema.QueryableTable

getElementType

public Type getElementType()

指定者:

getElementType 在接口中 org.apache.calcite.schema.QueryableTable

asQueryable

public <T> org.apache.calcite.linq4j.Queryable<T> asQueryable(org.apache.calcite.linq4j.QueryProvider queryProvider,
                                                              org.apache.calcite.schema.SchemaPlus schema,
                                                              String tableName)

指定者:

asQueryable 在接口中 org.apache.calcite.schema.QueryableTable

toRel

public org.apache.calcite.rel.RelNode toRel(org.apache.calcite.plan.RelOptTable.ToRelContext context,
                                            org.apache.calcite.plan.RelOptTable relOptTable)

指定者:

toRel 在接口中 org.apache.calcite.schema.TranslatableTable

toString

public String toString()

覆盖:

toString 在类中 Object

getStatistic

public org.apache.calcite.schema.Statistic getStatistic()

指定者:

getStatistic 在接口中 org.apache.calcite.schema.Table

覆盖:

getStatistic 在类中 org.apache.calcite.schema.impl.AbstractTable