接口的使用
io.shardingsphere.core.metadata.datasource.DataSourceMetaData

使用DataSourceMetaData的程序包

程序包	说明
io.shardingsphere.core.metadata.datasource
io.shardingsphere.core.metadata.datasource.dialect
io.shardingsphere.spi.executor

io.shardingsphere.core.metadata.datasource中DataSourceMetaData的使用

返回DataSourceMetaData的io.shardingsphere.core.metadata.datasource中的方法

限定符和类型	方法和说明
DataSourceMetaData	ShardingDataSourceMetaData.getActualDataSourceMetaData(String actualDataSourceName) Get data source meta data.
static DataSourceMetaData	DataSourceMetaDataFactory.newInstance(DatabaseType databaseType, String url) Create new instance of data source meta data.

参数类型为DataSourceMetaData的io.shardingsphere.core.metadata.datasource中的方法

限定符和类型	方法和说明
boolean	DataSourceMetaData.isInSameDatabaseInstance(DataSourceMetaData dataSourceMetaData) Judge whether two of data sources are in the same database instance.

io.shardingsphere.core.metadata.datasource.dialect中DataSourceMetaData的使用

实现DataSourceMetaData的io.shardingsphere.core.metadata.datasource.dialect中的类

限定符和类型	类和说明
class	H2DataSourceMetaData Data source meta data for H2.
class	MySQLDataSourceMetaData Data source meta data for MySQL.
class	OracleDataSourceMetaData Data source meta data for Oracle.
class	PostgreSQLDataSourceMetaData Data source meta data for PostgreSQL.
class	SQLServerDataSourceMetaData Data source meta data for SQLServer.

参数类型为DataSourceMetaData的io.shardingsphere.core.metadata.datasource.dialect中的方法

限定符和类型	方法和说明
boolean	SQLServerDataSourceMetaData.isInSameDatabaseInstance(DataSourceMetaData dataSourceMetaData)
boolean	PostgreSQLDataSourceMetaData.isInSameDatabaseInstance(DataSourceMetaData dataSourceMetaData)
boolean	OracleDataSourceMetaData.isInSameDatabaseInstance(DataSourceMetaData dataSourceMetaData)
boolean	MySQLDataSourceMetaData.isInSameDatabaseInstance(DataSourceMetaData dataSourceMetaData)
boolean	H2DataSourceMetaData.isInSameDatabaseInstance(DataSourceMetaData dataSourceMetaData)

io.shardingsphere.spi.executor中DataSourceMetaData的使用

参数类型为DataSourceMetaData的io.shardingsphere.spi.executor中的方法

限定符和类型	方法和说明
void	SQLExecutionHook.start(RouteUnit routeUnit, DataSourceMetaData dataSourceMetaData, boolean isTrunkThread, Map<String,Object> shardingExecuteDataMap) Handle when SQL execution started.
void	SPISQLExecutionHook.start(RouteUnit routeUnit, DataSourceMetaData dataSourceMetaData, boolean isTrunkThread, Map<String,Object> shardingExecuteDataMap)