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

类 ShardingDMLStatementValidator<T extends org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement>

java.lang.Object

org.apache.shardingsphere.sharding.route.engine.validator.dml.ShardingDMLStatementValidator<T>

所有已实现的接口:

ShardingStatementValidator<T>

直接已知子类:

ShardingCopyStatementValidator, ShardingDeleteStatementValidator, ShardingInsertStatementValidator, ShardingUpdateStatementValidator

public abstract class ShardingDMLStatementValidator<T extends org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement>
extends Object
implements ShardingStatementValidator<T>

Sharding dml statement validator.

构造器概要

构造器

构造器和说明
ShardingDMLStatementValidator()

方法概要

限定符和类型	方法和说明
protected Optional<ShardingConditions>	createShardingConditions(SQLStatementContext<?> sqlStatementContext, ShardingRule shardingRule, Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.assignment.AssignmentSegment> assignments, List<Object> parameters) Create shardingConditions.
protected boolean	isSameRouteContext(RouteContext routeContext, RouteContext subRouteContext) Judge whether is same route context or not.
protected void	validateMultipleTable(ShardingRule shardingRule, SQLStatementContext<T> sqlStatementContext) Validate multiple table.

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

ShardingDMLStatementValidator

public ShardingDMLStatementValidator()

方法详细资料

validateMultipleTable

protected void validateMultipleTable(ShardingRule shardingRule,
                                     SQLStatementContext<T> sqlStatementContext)

Validate multiple table.

参数:

shardingRule - sharding rule

sqlStatementContext - sqlStatementContext

isSameRouteContext

protected boolean isSameRouteContext(RouteContext routeContext,
                                     RouteContext subRouteContext)

Judge whether is same route context or not.

参数:

routeContext - route context

subRouteContext - sub route context

返回:

whether is same route context or not

createShardingConditions

protected Optional<ShardingConditions> createShardingConditions(SQLStatementContext<?> sqlStatementContext,
                                                                ShardingRule shardingRule,
                                                                Collection<org.apache.shardingsphere.sql.parser.sql.common.segment.dml.assignment.AssignmentSegment> assignments,
                                                                List<Object> parameters)

Create shardingConditions.

参数:

sqlStatementContext - SQL statement context

shardingRule - shardingRule

assignments - assignments

parameters - parameter collection

返回:

sharding conditions