org.apache.shardingsphere.infra.federation.optimizer.context.planner

类 OptimizerPlannerContextFactory

java.lang.Object

org.apache.shardingsphere.infra.federation.optimizer.context.planner.OptimizerPlannerContextFactory

public final class OptimizerPlannerContextFactory
extends Object

Optimizer planner context factory.

构造器概要

构造器

构造器和说明
OptimizerPlannerContextFactory()

方法概要

限定符和类型	方法和说明
static Map<String,OptimizerPlannerContext>	create(Map<String,ShardingSphereDatabase> databases) Create optimizer planner context map.
static org.apache.calcite.prepare.CalciteCatalogReader	createCatalogReader(String schemaName, org.apache.calcite.schema.Schema schema, org.apache.calcite.rel.type.RelDataTypeFactory relDataTypeFactory, org.apache.calcite.config.CalciteConnectionConfig connectionConfig) Create catalog reader.
static Properties	createConnectionProperties() Create connection properties.
static org.apache.calcite.sql2rel.SqlToRelConverter	createConverter(org.apache.calcite.prepare.CalciteCatalogReader catalogReader, org.apache.calcite.sql.validate.SqlValidator validator, org.apache.calcite.rel.type.RelDataTypeFactory relDataTypeFactory) Create Converter.
static org.apache.calcite.sql.validate.SqlValidator	createValidator(org.apache.calcite.prepare.CalciteCatalogReader catalogReader, org.apache.calcite.rel.type.RelDataTypeFactory relDataTypeFactory, org.apache.calcite.config.CalciteConnectionConfig connectionConfig) Create validator.

从类继承的方法 java.lang.Object

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

构造器详细资料

OptimizerPlannerContextFactory

public OptimizerPlannerContextFactory()

方法详细资料

create

public static Map<String,OptimizerPlannerContext> create(Map<String,ShardingSphereDatabase> databases)

Create optimizer planner context map.

参数:

databases - databases

返回:

created optimizer planner context map

createConnectionProperties

public static Properties createConnectionProperties()

Create connection properties.

返回:

properties

createCatalogReader

public static org.apache.calcite.prepare.CalciteCatalogReader createCatalogReader(String schemaName,
                                                                                  org.apache.calcite.schema.Schema schema,
                                                                                  org.apache.calcite.rel.type.RelDataTypeFactory relDataTypeFactory,
                                                                                  org.apache.calcite.config.CalciteConnectionConfig connectionConfig)

Create catalog reader.

参数:

schemaName - schema name

schema - schema

relDataTypeFactory - rel data type factory

connectionConfig - connection config

返回:

calcite catalog reader

createValidator

public static org.apache.calcite.sql.validate.SqlValidator createValidator(org.apache.calcite.prepare.CalciteCatalogReader catalogReader,
                                                                           org.apache.calcite.rel.type.RelDataTypeFactory relDataTypeFactory,
                                                                           org.apache.calcite.config.CalciteConnectionConfig connectionConfig)

Create validator.

参数:

catalogReader - catalog reader

relDataTypeFactory - rel data type factory

connectionConfig - connection config

返回:

sql validator

createConverter

public static org.apache.calcite.sql2rel.SqlToRelConverter createConverter(org.apache.calcite.prepare.CalciteCatalogReader catalogReader,
                                                                           org.apache.calcite.sql.validate.SqlValidator validator,
                                                                           org.apache.calcite.rel.type.RelDataTypeFactory relDataTypeFactory)

Create Converter.

参数:

catalogReader - catalog reader

validator - validator

relDataTypeFactory - rel data type factory

返回:

sql to rel converter