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

Class ShardingSelectStatementValidator

java.lang.Object

org.apache.shardingsphere.sharding.route.engine.validator.dml.ShardingDMLStatementValidator<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement>

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

All Implemented Interfaces:

ShardingStatementValidator<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement>

public final class ShardingSelectStatementValidator
extends ShardingDMLStatementValidator<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement>

Sharding select statement validator.

Constructor Summary

Constructors

Constructor and Description
ShardingSelectStatementValidator()

Method Summary

Modifier and Type	Method and Description
void	postValidate(ShardingRule shardingRule, SQLStatementContext<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement> sqlStatementContext, RouteContext routeContext, org.apache.shardingsphere.infra.metadata.schema.ShardingSphereSchema schema) Validate whether sharding operation is supported after route.
void	preValidate(ShardingRule shardingRule, SQLStatementContext<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement> sqlStatementContext, List<Object> parameters, org.apache.shardingsphere.infra.metadata.schema.ShardingSphereSchema schema) Validate whether sharding operation is supported before route.

Methods inherited from class org.apache.shardingsphere.sharding.route.engine.validator.dml.ShardingDMLStatementValidator

checkSubqueryShardingValues, isNeedMergeShardingValues, validateShardingMultipleTable

Methods inherited from class java.lang.Object

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

Constructor Detail

ShardingSelectStatementValidator

public ShardingSelectStatementValidator()

Method Detail

preValidate

public void preValidate(ShardingRule shardingRule,
                        SQLStatementContext<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement> sqlStatementContext,
                        List<Object> parameters,
                        org.apache.shardingsphere.infra.metadata.schema.ShardingSphereSchema schema)

Description copied from interface: ShardingStatementValidator

Validate whether sharding operation is supported before route.

Parameters:

shardingRule - sharding rule

sqlStatementContext - SQL statement context

parameters - SQL parameters

schema - ShardingSphere schema

postValidate

public void postValidate(ShardingRule shardingRule,
                         SQLStatementContext<org.apache.shardingsphere.sql.parser.sql.common.statement.dml.SelectStatement> sqlStatementContext,
                         RouteContext routeContext,
                         org.apache.shardingsphere.infra.metadata.schema.ShardingSphereSchema schema)

Description copied from interface: ShardingStatementValidator

Validate whether sharding operation is supported after route.

Parameters:

shardingRule - sharding rule

sqlStatementContext - SQL statement context

routeContext - route context

schema - ShardingSphere schema