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

接口 ShardingStatementValidator<T extends org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement>

类型参数:

T - type of SQL statement

所有已知实现类:

ShardingAlterIndexStatementValidator, ShardingAlterTableStatementValidator, ShardingAlterViewStatementValidator, ShardingCopyStatementValidator, ShardingCreateFunctionStatementValidator, ShardingCreateIndexStatementValidator, ShardingCreateProcedureStatementValidator, ShardingCreateTableStatementValidator, ShardingCreateViewStatementValidator, ShardingDDLStatementValidator, ShardingDeleteStatementValidator, ShardingDMLStatementValidator, ShardingDropIndexStatementValidator, ShardingDropTableStatementValidator, ShardingInsertStatementValidator, ShardingPrepareStatementValidator, ShardingRenameTableStatementValidator, ShardingUpdateStatementValidator

public interface ShardingStatementValidator<T extends org.apache.shardingsphere.sql.parser.sql.common.statement.SQLStatement>

Sharding statement validator.

方法概要

限定符和类型	方法和说明
void	postValidate(ShardingRule shardingRule, SQLStatementContext<T> sqlStatementContext, List<Object> parameters, org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase database, org.apache.shardingsphere.infra.config.props.ConfigurationProperties props, RouteContext routeContext) Validate whether sharding operation is supported after route.
void	preValidate(ShardingRule shardingRule, SQLStatementContext<T> sqlStatementContext, List<Object> parameters, org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase database, org.apache.shardingsphere.infra.config.props.ConfigurationProperties props) Validate whether sharding operation is supported before route.

方法详细资料

preValidate

void preValidate(ShardingRule shardingRule,
                 SQLStatementContext<T> sqlStatementContext,
                 List<Object> parameters,
                 org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase database,
                 org.apache.shardingsphere.infra.config.props.ConfigurationProperties props)

Validate whether sharding operation is supported before route.

参数:

shardingRule - sharding rule

sqlStatementContext - SQL statement context

parameters - SQL parameters

database - database

props - props

postValidate

void postValidate(ShardingRule shardingRule,
                  SQLStatementContext<T> sqlStatementContext,
                  List<Object> parameters,
                  org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase database,
                  org.apache.shardingsphere.infra.config.props.ConfigurationProperties props,
                  RouteContext routeContext)

Validate whether sharding operation is supported after route.

参数:

shardingRule - sharding rule

sqlStatementContext - SQL statement context

parameters - SQL parameters

database - database

props - props

routeContext - route context