接口的使用
com.mysql.cj.jdbc.JdbcConnection

使用JdbcConnection的程序包

程序包	说明
com.mysql.cj.jdbc
com.mysql.cj.jdbc.exceptions
com.mysql.cj.jdbc.ha
com.mysql.cj.jdbc.result

com.mysql.cj.jdbc中JdbcConnection的使用

实现JdbcConnection的com.mysql.cj.jdbc中的类

修饰符和类型	类	说明
class	ConnectionImpl	A Connection represents a session with a specific database.
class	ConnectionWrapper	This class serves as a wrapper for the connection object.

声明为JdbcConnection的com.mysql.cj.jdbc中的字段

修饰符和类型	字段	说明
protected JdbcConnection	DatabaseMetaData.conn	The connection to the database
protected JdbcConnection	StatementImpl.connection	The connection that created us
protected JdbcConnection	ConnectionWrapper.mc

返回JdbcConnection的com.mysql.cj.jdbc中的方法

修饰符和类型	方法	说明
protected JdbcConnection	ServerPreparedStatement.checkClosed()
protected JdbcConnection	StatementImpl.checkClosed()	Checks if closed() has been called, and throws an exception if so
JdbcConnection	ConnectionImpl.getActiveMySQLConnection()
JdbcConnection	ConnectionWrapper.getActiveMySQLConnection()
JdbcConnection	JdbcConnection.getActiveMySQLConnection()
static JdbcConnection	ConnectionImpl.getInstance(HostInfo hostInfo)	Creates a connection instance.
JdbcConnection	ConnectionImpl.getMultiHostParentProxy()
JdbcConnection	ConnectionWrapper.getMultiHostParentProxy()
JdbcConnection	JdbcConnection.getMultiHostParentProxy()
JdbcConnection	ConnectionImpl.getMultiHostSafeProxy()
JdbcConnection	ConnectionWrapper.getMultiHostSafeProxy()
JdbcConnection	JdbcConnection.getMultiHostSafeProxy()

参数类型为JdbcConnection的com.mysql.cj.jdbc中的方法

修饰符和类型	方法	说明
void	StatementImpl.executeSimpleNonQuery(JdbcConnection c, String nonQuery)
protected static CallableStatement	CallableStatement.getInstance(JdbcConnection conn, CallableStatement.CallableStatementParamInfo paramInfo)	Creates a callable statement instance
protected static CallableStatement	CallableStatement.getInstance(JdbcConnection conn, String sql, String db, boolean isFunctionCall)	Creates a callable statement instance
protected static ClientPreparedStatement	ClientPreparedStatement.getInstance(JdbcConnection conn, String sql, String db)	Creates a prepared statement instance
protected static ClientPreparedStatement	ClientPreparedStatement.getInstance(JdbcConnection conn, String sql, String db, QueryInfo cachedQueryInfo)	Creates a prepared statement instance
protected static ConnectionWrapper	ConnectionWrapper.getInstance(MysqlPooledConnection mysqlPooledConnection, JdbcConnection mysqlConnection, boolean forXa)
protected static DatabaseMetaData	DatabaseMetaData.getInstance(JdbcConnection connToSet, String databaseToSet, boolean checkForInfoSchema, ResultSetFactory resultSetFactory)
protected static MysqlPooledConnection	MysqlPooledConnection.getInstance(JdbcConnection connection)
protected static MysqlXAConnection	MysqlXAConnection.getInstance(JdbcConnection mysqlConnection, boolean logXaCommands)
protected static ServerPreparedStatement	ServerPreparedStatement.getInstance(JdbcConnection conn, String sql, String db, int resultSetType, int resultSetConcurrency)	Creates a prepared statement instance
protected static SuspendableXAConnection	SuspendableXAConnection.getInstance(JdbcConnection mysqlConnection)
boolean	ConnectionImpl.hasSameProperties(JdbcConnection c)
boolean	ConnectionWrapper.hasSameProperties(JdbcConnection c)
boolean	JdbcConnection.hasSameProperties(JdbcConnection c)	Does this connection have the same properties as another?
boolean	ConnectionImpl.isSameResource(JdbcConnection otherConnection)
boolean	ConnectionWrapper.isSameResource(JdbcConnection c)
boolean	JdbcConnection.isSameResource(JdbcConnection c)	Does this connection have the same resource name as the given connection (for XA)?
protected ClientPreparedStatement	ClientPreparedStatement.prepareBatchedInsertSQL(JdbcConnection localConn, int numBatches)	Returns a prepared statement for the number of batched parameters, used when re-writing batch INSERTs.
protected ClientPreparedStatement	ServerPreparedStatement.prepareBatchedInsertSQL(JdbcConnection localConn, int numBatches)
void	ConnectionImpl.setProxy(JdbcConnection proxy)
void	ConnectionWrapper.setProxy(JdbcConnection conn)
void	JdbcConnection.setProxy(JdbcConnection proxy)
protected void	StatementImpl.setupStreamingTimeout(JdbcConnection con)	Adjust net_write_timeout to a higher value if we're streaming result sets.

参数类型为JdbcConnection的com.mysql.cj.jdbc中的构造器

构造器	说明
CallableStatement(JdbcConnection conn, CallableStatement.CallableStatementParamInfo paramInfo)	Creates a new CallableStatement
CallableStatement(JdbcConnection conn, String sql, String db, boolean isFunctionCall)	Creates a new CallableStatement
ClientPreparedStatement(JdbcConnection conn, String db)	Constructor used by server-side prepared statements
ClientPreparedStatement(JdbcConnection conn, String sql, String db)	Constructor for the PreparedStatement class.
ClientPreparedStatement(JdbcConnection conn, String sql, String db, QueryInfo cachedQueryInfo)	Creates a new PreparedStatement object.
ConnectionWrapper(MysqlPooledConnection mysqlPooledConnection, JdbcConnection mysqlConnection, boolean forXa)	Construct a new LogicalHandle and set instance variables
DatabaseMetaData(JdbcConnection connToSet, String databaseToSet, ResultSetFactory resultSetFactory)	Creates a new DatabaseMetaData object.
DatabaseMetaDataUsingInfoSchema(JdbcConnection connToSet, String databaseToSet, ResultSetFactory resultSetFactory)
MysqlPooledConnection(JdbcConnection connection)	Construct a new MysqlPooledConnection and set instance variables
MysqlXAConnection(JdbcConnection connection, boolean logXaCommands)
ServerPreparedStatement(JdbcConnection conn, String sql, String db, int resultSetType, int resultSetConcurrency)	Creates a new ServerPreparedStatement object.
StatementImpl(JdbcConnection c, String db)	Constructor for a Statement.
SuspendableXAConnection(JdbcConnection connection)

com.mysql.cj.jdbc.exceptions中JdbcConnection的使用

参数类型为JdbcConnection的com.mysql.cj.jdbc.exceptions中的方法

修饰符和类型	方法	说明
static SQLException	SQLError.createCommunicationsException(JdbcConnection conn, PacketSentTimeHolder packetSentTimeHolder, PacketReceivedTimeHolder packetReceivedTimeHolder, Exception underlyingException, ExceptionInterceptor interceptor)

参数类型为JdbcConnection的com.mysql.cj.jdbc.exceptions中的构造器

构造器	说明
CommunicationsException(JdbcConnection conn, PacketSentTimeHolder packetSentTimeHolder, PacketReceivedTimeHolder packetReceivedTimeHolder, Exception underlyingException)
ConnectionFeatureNotAvailableException(JdbcConnection conn, PacketSentTimeHolder packetSentTimeHolder, Exception underlyingException)

com.mysql.cj.jdbc.ha中JdbcConnection的使用

com.mysql.cj.jdbc.ha中JdbcConnection的子接口

修饰符和类型	接口	说明
interface	LoadBalancedConnection
interface	ReplicationConnection

实现JdbcConnection的com.mysql.cj.jdbc.ha中的类

修饰符和类型	类	说明
class	LoadBalancedMySQLConnection
class	MultiHostMySQLConnection	Each instance of MultiHostMySQLConnection is coupled with a MultiHostConnectionProxy instance.
class	ReplicationMySQLConnection

返回JdbcConnection的com.mysql.cj.jdbc.ha中的方法

修饰符和类型	方法	说明
static JdbcConnection	FailoverConnectionProxy.createProxyInstance(ConnectionUrl connectionUrl)
JdbcConnection	MultiHostMySQLConnection.getActiveMySQLConnection()
JdbcConnection	ReplicationMySQLConnection.getActiveMySQLConnection()
JdbcConnection	ReplicationConnection.getCurrentConnection()
JdbcConnection	ReplicationConnectionProxy.getCurrentConnection()
JdbcConnection	ReplicationMySQLConnection.getCurrentConnection()
default JdbcConnection	ReplicationConnection.getMasterConnection()	已过时。
JdbcConnection	ReplicationConnectionProxy.getMasterConnection()	已过时。
JdbcConnection	MultiHostMySQLConnection.getMultiHostParentProxy()
JdbcConnection	MultiHostMySQLConnection.getMultiHostSafeProxy()
protected JdbcConnection	MultiHostConnectionProxy.getParentProxy()	Get this connection's parent proxy.
protected JdbcConnection	MultiHostConnectionProxy.getProxy()	Get this connection's proxy.
JdbcConnection	ReplicationConnection.getReplicaConnection()
JdbcConnection	ReplicationMySQLConnection.getReplicaConnection()
JdbcConnection	ReplicationConnectionProxy.getReplicasConnection()
default JdbcConnection	ReplicationConnection.getSlavesConnection()	已过时。
JdbcConnection	ReplicationConnectionProxy.getSlavesConnection()	已过时。
JdbcConnection	ReplicationConnection.getSourceConnection()
JdbcConnection	ReplicationConnectionProxy.getSourceConnection()
JdbcConnection	ReplicationMySQLConnection.getSourceConnection()
JdbcConnection	BalanceStrategy.pickConnection(InvocationHandler proxy, List<String> configuredHosts, Map<String,JdbcConnection> liveConnections, long[] responseTimes, int numRetries)	Called by the driver to pick a new connection to route requests over.

参数类型为JdbcConnection的com.mysql.cj.jdbc.ha中的方法

修饰符和类型	方法	说明
boolean	MultiHostMySQLConnection.hasSameProperties(JdbcConnection c)
boolean	ReplicationMySQLConnection.hasSameProperties(JdbcConnection c)
boolean	MultiHostMySQLConnection.isSameResource(JdbcConnection otherConnection)
protected void	LoadBalancedConnectionProxy.propagateProxyDown(JdbcConnection proxyConn)	Propagates the connection proxy down through all live connections.
protected void	MultiHostConnectionProxy.propagateProxyDown(JdbcConnection proxyConn)	Propagates the connection proxy down through the multi-host connections chain.
protected void	ReplicationConnectionProxy.propagateProxyDown(JdbcConnection proxyConn)	Propagates the connection proxy down through all live connections.
protected void	MultiHostConnectionProxy.setProxy(JdbcConnection proxyConn)	Sets this connection's proxy.
void	MultiHostMySQLConnection.setProxy(JdbcConnection proxy)
void	ReplicationMySQLConnection.setProxy(JdbcConnection proxy)

类型变量类型为JdbcConnection的com.mysql.cj.jdbc.ha中的方法参数

修饰符和类型	方法	说明
JdbcConnection	BalanceStrategy.pickConnection(InvocationHandler proxy, List<String> configuredHosts, Map<String,JdbcConnection> liveConnections, long[] responseTimes, int numRetries)	Called by the driver to pick a new connection to route requests over.
ConnectionImpl	BestResponseTimeBalanceStrategy.pickConnection(InvocationHandler proxy, List<String> configuredHosts, Map<String,JdbcConnection> liveConnections, long[] responseTimes, int numRetries)
ConnectionImpl	RandomBalanceStrategy.pickConnection(InvocationHandler proxy, List<String> configuredHosts, Map<String,JdbcConnection> liveConnections, long[] responseTimes, int numRetries)
ConnectionImpl	SequentialBalanceStrategy.pickConnection(InvocationHandler proxy, List<String> configuredHosts, Map<String,JdbcConnection> liveConnections, long[] responseTimes, int numRetries)
ConnectionImpl	ServerAffinityStrategy.pickConnection(InvocationHandler proxy, List<String> configuredHosts, Map<String,JdbcConnection> liveConnections, long[] responseTimes, int numRetries)

com.mysql.cj.jdbc.result中JdbcConnection的使用

声明为JdbcConnection的com.mysql.cj.jdbc.result中的字段

修饰符和类型	字段	说明
protected JdbcConnection	ResultSetImpl.connection	The Connection instance that created us

返回JdbcConnection的com.mysql.cj.jdbc.result中的方法

修饰符和类型	方法	说明
protected JdbcConnection	ResultSetImpl.checkClosed()	Ensures that the result set is not closed
JdbcConnection	ResultSetImpl.getConnection()

参数类型为JdbcConnection的com.mysql.cj.jdbc.result中的构造器

构造器	说明
ResultSetFactory(JdbcConnection connection, StatementImpl creatorStmt)
ResultSetImpl(OkPacket ok, JdbcConnection conn, StatementImpl creatorStmt)	Create a result set for an executeUpdate statement.
ResultSetImpl(ResultsetRows tuples, JdbcConnection conn, StatementImpl creatorStmt)	Creates a new ResultSet object.
UpdatableResultSet(ResultsetRows tuples, JdbcConnection conn, StatementImpl creatorStmt)	Creates a new ResultSet object.