Package org.mariadb.jdbc

Class MariaDbConnection

java.lang.Object
org.mariadb.jdbc.MariaDbConnection
All Implemented Interfaces:
AutoCloseable, Connection, Wrapper
public class MariaDbConnection extends Object implements Connection

  • Field Details

    • logger

      private static final Logger logger

    • CALLABLE_STATEMENT_PATTERN

      private static final Pattern CALLABLE_STATEMENT_PATTERN
      Pattern to check the correctness of callable statement query string Legal queries, as documented in JDK have the form: {[?=]call[(arg1,..,,argn)]}

    • PREPARABLE_STATEMENT_PATTERN

      private static final Pattern PREPARABLE_STATEMENT_PATTERN
      Check that query can be executed with PREPARE.

    • lock

      public final ReentrantLock lock

    • protocol

      private final Protocol protocol
      the protocol to communicate with.

    • options

      private final Options options
      the properties for the client.

    • pooledConnection

      public MariaDbPooledConnection pooledConnection

    • nullCatalogMeansCurrent

      protected boolean nullCatalogMeansCurrent

    • callableStatementCache

      private CallableStatementCache callableStatementCache

    • lowercaseTableNames

      private volatile int lowercaseTableNames

    • canUseServerTimeout

      private boolean canUseServerTimeout

    • sessionStateAware

      private boolean sessionStateAware

    • stateFlag

      private int stateFlag

    • defaultTransactionIsolation

      private int defaultTransactionIsolation

    • savepointCount

      private int savepointCount
      save point count - to generate good names for the savepoints.

    • warningsCleared

      private boolean warningsCleared

  • Constructor Details

    • MariaDbConnection

      public MariaDbConnection(Protocol protocol)
      Creates a new connection with a given protocol and query factory.
      Parameters:
      protocol - the protocol to use.

  • Method Details

    • newConnection

      public static MariaDbConnection newConnection(UrlParser urlParser, GlobalStateInfo globalInfo) throws SQLException
      Create new connection Object.
      Parameters:
      urlParser - parser
      globalInfo - global info
      Returns:
      connection object
      Throws:
      SQLException - if any connection error occur

    • quoteIdentifier

      public static String quoteIdentifier(String string)

    • unquoteIdentifier

      @Deprecated public static String unquoteIdentifier(String string)
      Deprecated.
      since 1.3.0
      UnQuote string.
      Parameters:
      string - value
      Returns:
      unquote string

    • getProtocol

      protected Protocol getProtocol()

    • createStatement

      public Statement createStatement() throws SQLException
      creates a new statement.
      Specified by:
      createStatement in interface Connection
      Returns:
      a statement
      Throws:
      SQLException - if we cannot create the statement.

    • createStatement

      public Statement createStatement(int resultSetType, int resultSetConcurrency)
      Creates a Statement object that will generate ResultSet objects with the given type and concurrency. This method is the same as the createStatement method above, but it allows the default result set type and concurrency to be overridden. The holdability of the created result sets can be determined by calling getHoldability().
      Specified by:
      createStatement in interface Connection
      Parameters:
      resultSetType - a result set type; one of ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
      resultSetConcurrency - a concurrency type; one of ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
      Returns:
      a new Statement object that will generate ResultSet objects with the given type and concurrency

    • createStatement

      public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
      Creates a Statement object that will generate ResultSet objects with the given type, concurrency, and holdability. This method is the same as the createStatement method above, but it allows the default result set type, concurrency, and holdability to be overridden.
      Specified by:
      createStatement in interface Connection
      Parameters:
      resultSetType - one of the following ResultSet constants: ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
      resultSetConcurrency - one of the following ResultSet constants: ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
      resultSetHoldability - one of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT
      Returns:
      a new Statement object that will generate ResultSet objects with the given type, concurrency, and holdability
      See Also:

    • checkConnection

      private void checkConnection() throws SQLException
      Throws:
      SQLException

    • clientPrepareStatement

      public ClientSidePreparedStatement clientPrepareStatement(String sql) throws SQLException
      Create a new client prepared statement.
      Parameters:
      sql - the query.
      Returns:
      a client prepared statement.
      Throws:
      SQLException - if there is a problem preparing the statement.

    • serverPrepareStatement

      public ServerSidePreparedStatement serverPrepareStatement(String sql) throws SQLException
      Create a new server prepared statement.
      Parameters:
      sql - the query.
      Returns:
      a server prepared statement.
      Throws:
      SQLException - if there is a problem preparing the statement.

    • prepareStatement

      public PreparedStatement prepareStatement(String sql) throws SQLException
      creates a new prepared statement.
      Specified by:
      prepareStatement in interface Connection
      Parameters:
      sql - the query.
      Returns:
      a prepared statement.
      Throws:
      SQLException - if there is a problem preparing the statement.

    • prepareStatement

      public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException
      Creates a PreparedStatement object that will generate ResultSet objects with the given type and concurrency. This method is the same as the prepareStatement method above, but it allows the default result set type and concurrency to be overridden. The holdability of the created result sets can be determined by calling getHoldability().
      Specified by:
      prepareStatement in interface Connection
      Parameters:
      sql - a String object that is the SQL statement to be sent to the database; may contain one or more '?' IN parameters
      resultSetType - a result set type; one of ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
      resultSetConcurrency - a concurrency type; one of ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
      Returns:
      a new PreparedStatement object containing the pre-compiled SQL statement that will produce ResultSet objects with the given type and concurrency
      Throws:
      SQLException - if a database access error occurs, this method is called on a closed connection or the given parameters are notResultSet constants indicating type and concurrency

    • prepareStatement

      public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException

      Creates a PreparedStatement object that will generate ResultSet objects with the given type, concurrency, and holdability.

      This method is the same as the prepareStatement method above, but it allows the default result set type, concurrency, and holdability to be overridden.

      Specified by:
      prepareStatement in interface Connection
      Parameters:
      sql - a String object that is the SQL statement to be sent to the database; may contain one or more '?' IN parameters
      resultSetType - one of the following ResultSet constants: ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
      resultSetConcurrency - one of the following ResultSet constants: ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
      resultSetHoldability - one of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT
      Returns:
      a new PreparedStatement object, containing the pre-compiled SQL statement, that will generate ResultSet objects with the given type, concurrency, and holdability
      Throws:
      SQLException - if a database access error occurs, this method is called on a closed connection or the given parameters are not ResultSet constants indicating type, concurrency, and holdability
      See Also:

    • prepareStatement

      public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException

      Creates a default PreparedStatement object that has the capability to retrieve auto-generated keys. The given constant tells the driver whether it should make auto-generated keys available for retrieval. This parameter is ignored if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific).

      Note: This method is optimized for handling parametric SQL statements that benefit from precompilation. If the driver supports precompilation, the method prepareStatement will send the statement to the database for precompilation. Some drivers may not support precompilation. In this case, the statement may not be sent to the database until the PreparedStatement object is executed. This has no direct effect on users; however, it does affect which methods throw certain SQLExceptions.

      Result sets created using the returned PreparedStatement object will by default be type TYPE_FORWARD_ONLY and have a concurrency level of CONCUR_READ_ONLY. The holdability of the created result sets can be determined by calling getHoldability().

      Specified by:
      prepareStatement in interface Connection
      Parameters:
      sql - an SQL statement that may contain one or more '?' IN parameter placeholders
      autoGeneratedKeys - a flag indicating whether auto-generated keys should be returned; one of Statement.RETURN_GENERATED_KEYS or Statement.NO_GENERATED_KEYS
      Returns:
      a new PreparedStatement object, containing the pre-compiled SQL statement, that will have the capability of returning auto-generated keys
      Throws:
      SQLException - if a database access error occurs, this method is called on a closed connection or the given parameter is not a Statement constant indicating whether auto-generated keys should be returned

    • prepareStatement

      public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException

      Creates a default PreparedStatement object capable of returning the auto-generated keys designated by the given array. This array contains the indexes of the columns in the target table that contain the auto-generated keys that should be made available. The driver will ignore the array if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific).

      An SQL statement with or without IN parameters can be pre-compiled and stored in a PreparedStatement object. This object can then be used to efficiently execute this statement multiple times.

      Note: This method is optimized for handling parametric SQL statements that benefit from precompilation. If the driver supports precompilation, the method prepareStatement will send the statement to the database for precompilation. Some drivers may not support precompilation. In this case, the statement may not be sent to the database until the PreparedStatement object is executed. This has no direct effect on users; however, it does affect which methods throw certain SQLExceptions.

      Result sets created using the returned PreparedStatement object will by default be type TYPE_FORWARD_ONLY and have a concurrency level of CONCUR_READ_ONLY. The holdability of the created result sets can be determined by calling getHoldability().

      Specified by:
      prepareStatement in interface Connection
      Parameters:
      sql - an SQL statement that may contain one or more '?' IN parameter placeholders
      columnIndexes - an array of column indexes indicating the columns that should be returned from the inserted row or rows
      Returns:
      a new PreparedStatement object, containing the pre-compiled statement, that is capable of returning the auto-generated keys designated by the given array of column indexes
      Throws:
      SQLException - if a database access error occurs or this method is called on a closed connection

    • prepareStatement

      public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException

      Creates a default PreparedStatement object capable of returning the auto-generated keys designated by the given array. This array contains the names of the columns in the target table that contain the auto-generated keys that should be returned. The driver will ignore the array if the SQL statement is not an INSERT statement, or an SQL statement able to return auto-generated keys (the list of such statements is vendor-specific).

      An SQL statement with or without IN parameters can be pre-compiled and stored in a PreparedStatement object. This object can then be used to efficiently execute this statement multiple times.

      Note: This method is optimized for handling parametric SQL statements that benefit from precompilation. If the driver supports precompilation, the method prepareStatement will send the statement to the database for precompilation. Some drivers may not support precompilation. In this case, the statement may not be sent to the database until the PreparedStatement object is executed. This has no direct effect on users; however, it does affect which methods throw certain SQLExceptions.

      Result sets created using the returned PreparedStatement object will by default be type TYPE_FORWARD_ONLY and have a concurrency level of CONCUR_READ_ONLY. The holdability of the created result sets can be determined by calling getHoldability().

      Specified by:
      prepareStatement in interface Connection
      Parameters:
      sql - an SQL statement that may contain one or more '?' IN parameter placeholders
      columnNames - an array of column names indicating the columns that should be returned from the inserted row or rows
      Returns:
      a new PreparedStatement object, containing the pre-compiled statement, that is capable of returning the auto-generated keys designated by the given array of column names
      Throws:
      SQLException - if a database access error occurs or this method is called on a closed connection

    • internalPrepareStatement

      private PreparedStatement internalPrepareStatement(String sql, int resultSetScrollType, int resultSetConcurrency, int autoGeneratedKeys) throws SQLException
      Send ServerPrepareStatement or ClientPrepareStatement depending on SQL query and options If server side and PREPARE can be delayed, a facade will be return, to have a fallback on client prepareStatement.
      Parameters:
      sql - sql query
      resultSetScrollType - one of the following ResultSet constants: ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
      resultSetConcurrency - a concurrency type; one of ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
      autoGeneratedKeys - a flag indicating whether auto-generated keys should be returned; one of Statement.RETURN_GENERATED_KEYS or Statement.NO_GENERATED_KEYS
      Returns:
      PrepareStatement
      Throws:
      SQLException - if a connection error occur during the server preparation.

    • prepareCall

      public CallableStatement prepareCall(String sql) throws SQLException
      Creates a CallableStatement object for calling database stored procedures. The CallableStatement object provides methods for setting up its IN and OUT parameters, and methods for executing the call to a stored procedure. example : {?= call <procedure-name>[(<arg1>,<arg2>, ...)]} or {call <procedure-name>[(<arg1>,<arg2>, ...)]}

      Note: This method is optimized for handling stored procedure call statements.

      Specified by:
      prepareCall in interface Connection
      Parameters:
      sql - an SQL statement that may contain one or more '?' parameter placeholders. Typically this statement is specified using JDBC call escape syntax.
      Returns:
      a new default CallableStatement object containing the pre-compiled SQL statement
      Throws:
      SQLException - if a database access error occurs or this method is called on a closed connection

    • prepareCall

      public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException
      Creates a CallableStatement object that will generate ResultSet objects with the given type and concurrency. This method is the same as the prepareCall method above, but it allows the default result set type and concurrency to be overridden. The holdability of the created result sets can be determined by calling getHoldability().
      Specified by:
      prepareCall in interface Connection
      Parameters:
      sql - a String object that is the SQL statement to be sent to the database; may contain on or more '?' parameters
      resultSetType - a result set type; one of ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
      resultSetConcurrency - a concurrency type; one of ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
      Returns:
      a new CallableStatement object containing the pre-compiled SQL statement that will produce ResultSet objects with the given type and concurrency
      Throws:
      SQLException - if a database access error occurs, this method is called on a closed connection or the given parameters are not ResultSet constants indicating type and concurrency

    • prepareCall

      public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException
      Creates a CallableStatement object that will generate ResultSet objects with the given type and concurrency. This method is the same as the prepareCall method above, but it allows the default result set type, result set concurrency type and holdability to be overridden.
      Specified by:
      prepareCall in interface Connection
      Parameters:
      sql - a String object that is the SQL statement to be sent to the database; may contain on or more '?' parameters
      resultSetType - one of the following ResultSet constants: ResultSet.TYPE_FORWARD_ONLY, ResultSet.TYPE_SCROLL_INSENSITIVE, or ResultSet.TYPE_SCROLL_SENSITIVE
      resultSetConcurrency - one of the following ResultSet constants: ResultSet.CONCUR_READ_ONLY or ResultSet.CONCUR_UPDATABLE
      resultSetHoldability - one of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT
      Returns:
      a new CallableStatement object, containing the pre-compiled SQL statement, that will generate ResultSet objects with the given type, concurrency, and holdability
      Throws:
      SQLException - if a database access error occurs, this method is called on a closed connection or the given parameters are not ResultSet constants indicating type, concurrency, and holdability
      See Also:

    • createNewCallableStatement

      private CallableStatement createNewCallableStatement(String query, String procedureName, boolean isFunction, String databaseAndProcedure, String database, String arguments, int resultSetType, int resultSetConcurrency) throws SQLException
      Throws:
      SQLException

    • nativeSQL

      public String nativeSQL(String sql) throws SQLException
      Specified by:
      nativeSQL in interface Connection
      Throws:
      SQLException

    • getAutoCommit

      public boolean getAutoCommit() throws SQLException
      returns true if statements on this connection are auto commited.
      Specified by:
      getAutoCommit in interface Connection
      Returns:
      true if auto commit is on.
      Throws:
      SQLException - if there is an error

    • setAutoCommit

      public void setAutoCommit(boolean autoCommit) throws SQLException
      Sets whether this connection is auto commited.
      Specified by:
      setAutoCommit in interface Connection
      Parameters:
      autoCommit - if it should be auto commited.
      Throws:
      SQLException - if something goes wrong talking to the server.

    • commit

      public void commit() throws SQLException
      Sends commit to the server.
      Specified by:
      commit in interface Connection
      Throws:
      SQLException - if there is an error commiting.

    • rollback

      public void rollback() throws SQLException
      Rolls back a transaction.
      Specified by:
      rollback in interface Connection
      Throws:
      SQLException - if there is an error rolling back.

    • rollback

      public void rollback(Savepoint savepoint) throws SQLException

      Undoes all changes made after the given Savepoint object was set.

      This method should be used only when auto-commit has been disabled.

      Specified by:
      rollback in interface Connection
      Parameters:
      savepoint - the Savepoint object to roll back to
      Throws:
      SQLException - if a database access error occurs, this method is called while participating in a distributed transaction, this method is called on a closed connection, the Savepoint object is no longer valid, or this Connection object is currently in auto-commit mode
      See Also:

    • close

      public void close() throws SQLException
      close the connection.
      Specified by:
      close in interface AutoCloseable
      Specified by:
      close in interface Connection
      Throws:
      SQLException - if there is a problem talking to the server.

    • isClosed

      public boolean isClosed()
      checks if the connection is closed.
      Specified by:
      isClosed in interface Connection
      Returns:
      true if the connection is closed

    • getMetaData

      public DatabaseMetaData getMetaData()
      returns the meta data about the database.
      Specified by:
      getMetaData in interface Connection
      Returns:
      meta data about the db.

    • isReadOnly

      public boolean isReadOnly() throws SQLException
      Retrieves whether this Connection object is in read-only mode.
      Specified by:
      isReadOnly in interface Connection
      Returns:
      true if this Connection object is read-only; false otherwise
      Throws:
      SQLException - SQLException if a database access error occurs or this method is called on a closed connection

    • setReadOnly

      public void setReadOnly(boolean readOnly) throws SQLException
      Sets whether this connection is read only.
      Specified by:
      setReadOnly in interface Connection
      Parameters:
      readOnly - true if it should be read only.
      Throws:
      SQLException - if there is a problem

    • getCatalog

      public String getCatalog() throws SQLException

      Retrieves this Connection object's current catalog name.

      Specified by:
      getCatalog in interface Connection
      Returns:
      the current catalog name or null if there is none
      Throws:
      SQLException - if a database access error occurs or this method is called on a closed connection
      See Also:

    • setCatalog

      public void setCatalog(String catalog) throws SQLException

      Sets the given catalog name in order to select a subspace of this Connection object's database in which to work.

      If the driver does not support catalogs, it will silently ignore this request.

      MariaDB treats catalogs and databases as equivalent
      Specified by:
      setCatalog in interface Connection
      Parameters:
      catalog - the name of a catalog (subspace in this Connection object's database) in which to work
      Throws:
      SQLException - if a database access error occurs or this method is called on a closed connection
      See Also:

    • isServerMariaDb

      public boolean isServerMariaDb() throws SQLException
      Throws:
      SQLException

    • versionGreaterOrEqual

      public boolean versionGreaterOrEqual(int major, int minor, int patch)

    • getTransactionIsolation

      public int getTransactionIsolation() throws SQLException
      Retrieves this Connection object's current transaction isolation level.
      Specified by:
      getTransactionIsolation in interface Connection
      Returns:
      the current transaction isolation level, which will be one of the following constants: Connection.TRANSACTION_READ_UNCOMMITTED, Connection.TRANSACTION_READ_COMMITTED, Connection.TRANSACTION_REPEATABLE_READ, Connection.TRANSACTION_SERIALIZABLE, or Connection.TRANSACTION_NONE.
      Throws:
      SQLException - if a database access error occurs or this method is called on a closed connection
      See Also:

    • setTransactionIsolation

      public void setTransactionIsolation(int level) throws SQLException

      Attempts to change the transaction isolation level for this Connection object to the one given. The constants defined in the interface Connection are the possible transaction isolation levels.

      Note: If this method is called during a transaction, the result is implementation-defined.

      Specified by:
      setTransactionIsolation in interface Connection
      Parameters:
      level - one of the following Connection constants: Connection.TRANSACTION_READ_UNCOMMITTED, Connection.TRANSACTION_READ_COMMITTED, Connection.TRANSACTION_REPEATABLE_READ, or Connection.TRANSACTION_SERIALIZABLE. (Note that Connection.TRANSACTION_NONE cannot be used because it specifies that transactions are not supported.)
      Throws:
      SQLException - if a database access error occurs, this method is called on a closed connection or the given parameter is not one of the Connection constants
      See Also:

    • getWarnings

      public SQLWarning getWarnings() throws SQLException

      Retrieves the first warning reported by calls on this Connection object. If there is more than one warning, subsequent warnings will be chained to the first one and can be retrieved by calling the method SQLWarning.getNextWarning on the warning that was retrieved previously.

      This method may not be called on a closed connection; doing so will cause an SQLException to be thrown.

      Note: Subsequent warnings will be chained to this SQLWarning.

      Specified by:
      getWarnings in interface Connection
      Returns:
      the first SQLWarning object or null if there are none
      Throws:
      SQLException - if a database access error occurs or this method is called on a closed connection
      See Also:

    • clearWarnings

      public void clearWarnings() throws SQLException
      Clears all warnings reported for this Connection object. After a call to this method, the method getWarnings returns null until a new warning is reported for this Connection object.
      Specified by:
      clearWarnings in interface Connection
      Throws:
      SQLException - SQLException if a database access error occurs or this method is called on a closed connection

    • reenableWarnings

      public void reenableWarnings()
      Reenable warnings, when next statement is executed.

    • getTypeMap

      public Map<String,Class<?>> getTypeMap()
      Retrieves the Map object associated with this Connection object. Unless the application has added an entry, the type map returned will be empty.
      Specified by:
      getTypeMap in interface Connection
      Returns:
      the java.util.Map object associated with this Connection object
      Since:
      1.2
      See Also:

    • setTypeMap

      public void setTypeMap(Map<String,Class<?>> map) throws SQLException
      Installs the given TypeMap object as the type map for this Connection object. The type map will be used for the custom mapping of SQL structured types and distinct types.
      Specified by:
      setTypeMap in interface Connection
      Parameters:
      map - the java.util.Map object to install as the replacement for this Connection object's default type map
      Throws:
      SQLException - if a database access error occurs, this method is called on a closed connection or the given parameter is not a java.util.Map object
      See Also:

    • getHoldability

      public int getHoldability()
      Retrieves the current holdability of ResultSet objects created using this Connection object.
      Specified by:
      getHoldability in interface Connection
      Returns:
      the holdability, one of ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT
      Since:
      1.4
      See Also:

    • setHoldability

      public void setHoldability(int holdability)
      Changes the default holdability of ResultSet objects created using this Connection object to the given holdability. The default holdability of ResultSet objects can be be determined by invoking DatabaseMetaData.getResultSetHoldability().
      Specified by:
      setHoldability in interface Connection
      Parameters:
      holdability - a ResultSet holdability constant; one of ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT
      See Also:

    • setSavepoint

      public Savepoint setSavepoint() throws SQLException

      Creates an unnamed savepoint in the current transaction and returns the new Savepoint object that represents it.

      if setSavepoint is invoked outside of an active transaction, a transaction will be started at this newly created savepoint.

      Specified by:
      setSavepoint in interface Connection
      Returns:
      the new Savepoint object
      Throws:
      SQLException - if a database access error occurs, this method is called while participating in a distributed transaction, this method is called on a closed connection or this Connection object is currently in auto-commit mode
      Since:
      1.4
      See Also:

    • setSavepoint

      public Savepoint setSavepoint(String name) throws SQLException

      Creates a savepoint with the given name in the current transaction and returns the new Savepoint object that represents it.

      if setSavepoint is invoked outside of an active transaction, a transaction will be started at this newly created savepoint.
      Specified by:
      setSavepoint in interface Connection
      Parameters:
      name - a String containing the name of the savepoint
      Returns:
      the new Savepoint object
      Throws:
      SQLException - if a database access error occurs, this method is called while participating in a distributed transaction, this method is called on a closed connection or this Connection object is currently in auto-commit mode
      Since:
      1.4
      See Also:

    • releaseSavepoint

      public void releaseSavepoint(Savepoint savepoint) throws SQLException
      Removes the specified Savepoint and subsequent Savepoint objects from the current transaction. Any reference to the savepoint after it have been removed will cause an SQLException to be thrown.
      Specified by:
      releaseSavepoint in interface Connection
      Parameters:
      savepoint - the Savepoint object to be removed
      Throws:
      SQLException - if a database access error occurs, this method is called on a closed connection or the given Savepoint object is not a valid savepoint in the current transaction

    • createClob

      public Clob createClob()
      Constructs an object that implements the Clob interface. The object returned initially contains no data. The setAsciiStream, setCharacterStream and setString methods of the Clob interface may be used to add data to the Clob.
      Specified by:
      createClob in interface Connection
      Returns:
      An object that implements the Clob interface

    • createBlob

      public Blob createBlob()
      Constructs an object that implements the Blob interface. The object returned initially contains no data. The setBinaryStream and setBytes methods of the Blob interface may be used to add data to the Blob.
      Specified by:
      createBlob in interface Connection
      Returns:
      An object that implements the Blob interface

    • createNClob

      public NClob createNClob()
      Constructs an object that implements the NClob interface. The object returned initially contains no data. The setAsciiStream, setCharacterStream and setString methods of the NClob interface may be used to add data to the NClob.
      Specified by:
      createNClob in interface Connection
      Returns:
      An object that implements the NClob interface

    • createSQLXML

      public SQLXML createSQLXML() throws SQLException
      Constructs an object that implements the SQLXML interface. The object returned initially contains no data. The createXmlStreamWriter object and setString method of the SQLXML interface may be used to add data to the SQLXML object.
      Specified by:
      createSQLXML in interface Connection
      Returns:
      An object that implements the SQLXML interface
      Throws:
      SQLException - if an object that implements the SQLXML interface can not be constructed, this method is called on a closed connection or a database access error occurs.

    • isValid

      public boolean isValid(int timeout) throws SQLException

      Returns true if the connection has not been closed and is still valid. The driver shall submit a query on the connection or use some other mechanism that positively verifies the connection is still valid when this method is called.

      The query submitted by the driver to validate the connection shall be executed in the context of the current transaction.

      Specified by:
      isValid in interface Connection
      Parameters:
      timeout - - The time in seconds to wait for the database operation used to validate the connection to complete. If the timeout period expires before the operation completes, this method returns false. A value of 0 indicates a timeout is not applied to the database operation.
      Returns:
      true if the connection is valid, false otherwise
      Throws:
      SQLException - if the value supplied for timeout is less then 0
      Since:
      1.6
      See Also:

    • checkClientClose

      private void checkClientClose(String name) throws SQLClientInfoException
      Throws:
      SQLClientInfoException

    • checkClientReconnect

      private void checkClientReconnect(String name) throws SQLClientInfoException
      Throws:
      SQLClientInfoException

    • checkClientValidProperty

      private void checkClientValidProperty(String name) throws SQLClientInfoException
      Throws:
      SQLClientInfoException

    • buildClientQuery

      private String buildClientQuery(String name, String value)

    • setClientInfo

      public void setClientInfo(String name, String value) throws SQLClientInfoException

      Sets the value of the client info property specified by name to the value specified by value.

      Applications may use the DatabaseMetaData.getClientInfoProperties method to determine the client info properties supported by the driver and the maximum length that may be specified for each property.

      The driver stores the value specified in a suitable location in the database. For example in a special register, session parameter, or system table column. For efficiency the driver may defer setting the value in the database until the next time a statement is executed or prepared. Other than storing the client information in the appropriate place in the database, these methods shall not alter the behavior of the connection in anyway. The values supplied to these methods are used for accounting, diagnostics and debugging purposes only.

      The driver shall generate a warning if the client info name specified is not recognized by the driver.

      If the value specified to this method is greater than the maximum length for the property the driver may either truncate the value and generate a warning or generate a SQLClientInfoException. If the driver generates a SQLClientInfoException, the value specified was not set on the connection.

      The following are standard client info properties. Drivers are not required to support these properties however if the driver supports a client info property that can be described by one of the standard properties, the standard property name should be used.

      • ApplicationName - The name of the application currently utilizing the connection
      • ClientUser - The name of the user that the application using the connection is performing work for. This may not be the same as the user name that was used in establishing the connection.
      • ClientHostname - The hostname of the computer the application using the connection is running on.
      Specified by:
      setClientInfo in interface Connection
      Parameters:
      name - The name of the client info property to set
      value - The value to set the client info property to. If the value is null, the current value of the specified property is cleared.
      Throws:
      SQLClientInfoException - if the database server returns an error while setting the client info value on the database server or this method is called on a closed connection
      Since:
      1.6

    • setClientInfo

      public void setClientInfo(Properties properties) throws SQLClientInfoException

      Sets the value of the connection's client info properties. The Properties object contains the names and values of the client info properties to be set. The set of client info properties contained in the properties list replaces the current set of client info properties on the connection. If a property that is currently set on the connection is not present in the properties list, that property is cleared. Specifying an empty properties list will clear all of the properties on the connection. See setClientInfo (String, String) for more information.

      If an error occurs in setting any of the client info properties, a SQLClientInfoException is thrown. The SQLClientInfoException contains information indicating which client info properties were not set. The state of the client information is unknown because some databases do not allow multiple client info properties to be set atomically. For those databases, one or more properties may have been set before the error occurred.

      Specified by:
      setClientInfo in interface Connection
      Parameters:
      properties - the list of client info properties to set
      Throws:
      SQLClientInfoException - if the database server returns an error while setting the clientInfo values on the database server or this method is called on a closed connection
      Since:
      1.6
      See Also:

    • getClientInfo

      public Properties getClientInfo() throws SQLException
      Returns a list containing the name and current value of each client info property supported by the driver. The value of a client info property may be null if the property has not been set and does not have a default value.
      Specified by:
      getClientInfo in interface Connection
      Returns:
      A Properties object that contains the name and current value of each of the client info properties supported by the driver.
      Throws:
      SQLException - if the database server returns an error when fetching the client info values from the database or this method is called on a closed connection

    • getClientInfo

      public String getClientInfo(String name) throws SQLException
      Returns the value of the client info property specified by name. This method may return null if the specified client info property has not been set and does not have a default value. This method will also return null if the specified client info property name is not supported by the driver. Applications may use the DatabaseMetaData.getClientInfoProperties method to determine the client info properties supported by the driver.
      Specified by:
      getClientInfo in interface Connection
      Parameters:
      name - The name of the client info property to retrieve
      Returns:
      The value of the client info property specified
      Throws:
      SQLException - if the database server returns an error when fetching the client info value from the database or this method is called on a closed connection
      Since:
      1.6
      See Also:

    • createArrayOf

      public Array createArrayOf(String typeName, Object[] elements) throws SQLException
      Factory method for creating Array objects. Note: When createArrayOf is used to create an array object that maps to a primitive data type, then it is implementation-defined whether the Array object is an array of that primitive data type or an array of Object. Note: The JDBC driver is responsible for mapping the elements Object array to the default JDBC SQL type defined in java.sql.Types for the given class of Object. The default mapping is specified in Appendix B of the JDBC specification. If the resulting JDBC type is not the appropriate type for the given typeName then it is implementation defined whether an SQLException is thrown or the driver supports the resulting conversion.
      Specified by:
      createArrayOf in interface Connection
      Parameters:
      typeName - the SQL name of the type the elements of the array map to. The typeName is a database-specific name which may be the name of a built-in type, a user-defined type or a standard SQL type supported by this database. This is the value returned by Array.getBaseTypeName
      elements - the elements that populate the returned object
      Returns:
      an Array object whose elements map to the specified SQL type
      Throws:
      SQLException - if a database error occurs, the JDBC type is not appropriate for the typeName and the conversion is not supported, the typeName is null or this method is called on a closed connection

    • createStruct

      public Struct createStruct(String typeName, Object[] attributes) throws SQLException
      Factory method for creating Struct objects.
      Specified by:
      createStruct in interface Connection
      Parameters:
      typeName - the SQL type name of the SQL structured type that this Struct object maps to. The typeName is the name of a user-defined type that has been defined for this database. It is the value returned by Struct.getSQLTypeName.
      attributes - the attributes that populate the returned object
      Returns:
      a Struct object that maps to the given SQL type and is populated with the given attributes
      Throws:
      SQLException - if a database error occurs, the typeName is null or this method is called on a closed connection

    • unwrap

      public <T> T unwrap(Class<T> iface) throws SQLException
      Returns an object that implements the given interface to allow access to non-standard methods, or standard methods not exposed by the proxy. If the receiver implements the interface then the result is the receiver or a proxy for the receiver. If the receiver is a wrapper and the wrapped object implements the interface then the result is the wrapped object or a proxy for the wrapped object. Otherwise return the the result of calling unwrap recursively on the wrapped object or a proxy for that result. If the receiver is not a wrapper and does not implement the interface, then an SQLException is thrown.
      Specified by:
      unwrap in interface Wrapper
      Parameters:
      iface - A Class defining an interface that the result must implement.
      Returns:
      an object that implements the interface. May be a proxy for the actual implementing object.
      Throws:
      SQLException - If no object found that implements the interface
      Since:
      1.6

    • isWrapperFor

      public boolean isWrapperFor(Class<?> iface)
      Returns true if this either implements the interface argument or is directly or indirectly a wrapper for an object that does. Returns false otherwise. If this implements the interface then return true, else if this is a wrapper then return the result of recursively calling isWrapperFor on the wrapped object. If this does not implement the interface and is not a wrapper, return false. This method should be implemented as a low-cost operation compared to unwrap so that callers can use this method to avoid expensive unwrap calls that may fail. If this method returns true then calling unwrap with the same argument should succeed.
      Specified by:
      isWrapperFor in interface Wrapper
      Parameters:
      iface - a Class defining an interface.
      Returns:
      true if this implements the interface or directly or indirectly wraps an object that does.
      Since:
      1.6

    • getUsername

      @Deprecated public String getUsername()
      Deprecated.
      returns the username for the connection.
      Returns:
      the username.

    • getHostname

      @Deprecated public String getHostname()
      Deprecated.
      returns the hostname for the connection.
      Returns:
      the hostname.

    • getPort

      @Deprecated public int getPort()
      Deprecated.
      returns the port for the connection.
      Returns:
      the port

    • getPinGlobalTxToPhysicalConnection

      protected boolean getPinGlobalTxToPhysicalConnection()

    • setHostFailed

      public void setHostFailed()
      If failover is not activated, will close connection when a connection error occur.

    • getLowercaseTableNames

      public int getLowercaseTableNames() throws SQLException
      Are table case sensitive or not . Default Value: 0 (Unix), 1 (Windows), 2 (Mac OS X). If set to 0 (the default on Unix-based systems), table names and aliases and database names are compared in a case-sensitive manner. If set to 1 (the default on Windows), names are stored in lowercase and not compared in a case-sensitive manner. If set to 2 (the default on Mac OS X), names are stored as declared, but compared in lowercase.
      Returns:
      int value.
      Throws:
      SQLException - if a connection error occur

    • abort

      public void abort(Executor executor) throws SQLException
      Abort connection.
      Specified by:
      abort in interface Connection
      Parameters:
      executor - executor
      Throws:
      SQLException - if security manager doesn't permit it.

    • getNetworkTimeout

      public int getNetworkTimeout() throws SQLException
      Get network timeout.
      Specified by:
      getNetworkTimeout in interface Connection
      Returns:
      timeout
      Throws:
      SQLException - if database socket error occur

    • getSchema

      public String getSchema()
      Specified by:
      getSchema in interface Connection

    • setSchema

      public void setSchema(String arg0)
      Specified by:
      setSchema in interface Connection

    • setNetworkTimeout

      public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException
      Change network timeout.
      Specified by:
      setNetworkTimeout in interface Connection
      Parameters:
      executor - executor (can be null)
      milliseconds - network timeout in milliseconds.
      Throws:
      SQLException - if security manager doesn't permit it.

    • getServerThreadId

      public long getServerThreadId()

    • canUseServerTimeout

      public boolean canUseServerTimeout()

    • setDefaultTransactionIsolation

      public void setDefaultTransactionIsolation(int defaultTransactionIsolation)

    • reset

      public void reset() throws SQLException
      Reset connection set has it was after creating a "fresh" new connection. defaultTransactionIsolation must have been initialized.

      BUT : - session variable state are reset only if option useResetConnection is set and - if using the option "useServerPrepStmts", PREPARE statement are still prepared

      Throws:
      SQLException - if resetting operation failed

    • includeDeadLockInfo

      public boolean includeDeadLockInfo()

    • includeThreadsTraces

      public boolean includeThreadsTraces()