org.apache.shardingsphere.sharding.route.engine.validator.ddl

类 ShardingDDLStatementValidator<T extends org.apache.shardingsphere.sql.parser.sql.common.statement.ddl.DDLStatement>

java.lang.Object

org.apache.shardingsphere.sharding.route.engine.validator.ddl.ShardingDDLStatementValidator<T>

所有已实现的接口:

ShardingStatementValidator<T>

直接已知子类:

ShardingAlterIndexStatementValidator, ShardingAlterTableStatementValidator, ShardingAlterViewStatementValidator, ShardingCreateFunctionStatementValidator, ShardingCreateIndexStatementValidator, ShardingCreateProcedureStatementValidator, ShardingCreateTableStatementValidator, ShardingCreateViewStatementValidator, ShardingDropIndexStatementValidator, ShardingDropTableStatementValidator, ShardingPrepareStatementValidator, ShardingRenameTableStatementValidator

public abstract class ShardingDDLStatementValidator<T extends org.apache.shardingsphere.sql.parser.sql.common.statement.ddl.DDLStatement>
extends Object
implements ShardingStatementValidator<T>

Sharding ddl statement validator.

构造器概要

构造器

构造器和说明
ShardingDDLStatementValidator()

方法概要

限定符和类型	方法和说明
protected boolean	isRouteUnitDataNodeDifferentSize(ShardingRule shardingRule, RouteContext routeContext, String tableName) Judge whether route unit and data node are different size.
protected boolean	isSchemaContainsIndex(org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema schema, org.apache.shardingsphere.sql.parser.sql.common.segment.ddl.index.IndexSegment index) Judge whether schema contains index or not.
protected void	validateShardingTable(ShardingRule shardingRule, String operation, Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment> tables) Validate sharding table.
protected void	validateTableExist(org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema schema, Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment> tables) Validate table exist.
protected void	validateTableNotExist(org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema schema, Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment> tables) Validate table not exist.

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.shardingsphere.sharding.route.engine.validator.ShardingStatementValidator

postValidate, preValidate

构造器详细资料

ShardingDDLStatementValidator

public ShardingDDLStatementValidator()

方法详细资料

validateShardingTable

protected void validateShardingTable(ShardingRule shardingRule,
                                     String operation,
                                     Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment> tables)

Validate sharding table.

参数:

shardingRule - sharding rule

operation - operation

tables - tables

validateTableExist

protected void validateTableExist(org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema schema,
                                  Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment> tables)

Validate table exist.

参数:

schema - ShardingSphere schema

tables - tables

validateTableNotExist

protected void validateTableNotExist(org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema schema,
                                     Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.generic.table.SimpleTableSegment> tables)

Validate table not exist.

参数:

schema - ShardingSphere schema

tables - tables

isRouteUnitDataNodeDifferentSize

protected boolean isRouteUnitDataNodeDifferentSize(ShardingRule shardingRule,
                                                   RouteContext routeContext,
                                                   String tableName)

Judge whether route unit and data node are different size.

参数:

shardingRule - sharding rule

routeContext - route context

tableName - table name

返回:

route unit and data node are different size or not

isSchemaContainsIndex

protected boolean isSchemaContainsIndex(org.apache.shardingsphere.infra.metadata.database.schema.decorator.model.ShardingSphereSchema schema,
                                        org.apache.shardingsphere.sql.parser.sql.common.segment.ddl.index.IndexSegment index)

Judge whether schema contains index or not.

参数:

schema - ShardingSphere schema

index - index

返回:

whether schema contains index or not