A SQL statement is precompiled and stored in a
* PreparedStatement object. This object can then be used to
* efficiently execute this statement multiple times.
*
*
Note: The setter methods (setShort, setString,
* and so on) for setting IN parameter values
* must specify types that are compatible with the defined SQL type of
* the input parameter. For instance, if the IN parameter has SQL type
* INTEGER, then the method setInt should be used.
*
*
If arbitrary parameter type conversions are required, the method
* setObject should be used with a target SQL type.
*
* In the following example of setting a parameter, con represents
* an active connection:
*
* PreparedStatement pstmt = con.prepareStatement("UPDATE EMPLOYEES
* SET SALARY = ? WHERE ID = ?");
* pstmt.setBigDecimal(1, 153833.00)
* pstmt.setInt(2, 110592)
*
*
* @see Connection#prepareStatement
* @see ResultSet
*/
public interface PreparedStatement extends Statement {
/**
* Executes the SQL query in this PreparedStatement object
* and returns the ResultSet object generated by the query.
*
* @return a ResultSet object that contains the data produced by the
* query; never null
* @exception SQLException if a database access error occurs;
* this method is called on a closed PreparedStatement or the SQL
* statement does not return a ResultSet object
* @throws SQLTimeoutException when the driver has determined that the
* timeout value that was specified by the {@code setQueryTimeout}
* method has been exceeded and has at least attempted to cancel
* the currently running {@code Statement}
*/
ResultSet executeQuery() throws SQLException;
/**
* Executes the SQL statement in this PreparedStatement object,
* which must be an SQL Data Manipulation Language (DML) statement, such as INSERT, UPDATE or
* DELETE; or an SQL statement that returns nothing,
* such as a DDL statement.
*
* @return either (1) the row count for SQL Data Manipulation Language (DML) statements
* or (2) 0 for SQL statements that return nothing
* @exception SQLException if a database access error occurs;
* this method is called on a closed PreparedStatement
* or the SQL statement returns a ResultSet object
* @throws SQLTimeoutException when the driver has determined that the
* timeout value that was specified by the {@code setQueryTimeout}
* method has been exceeded and has at least attempted to cancel
* the currently running {@code Statement}
*/
int executeUpdate() throws SQLException;
/**
* Sets the designated parameter to SQL NULL.
*
* Note: You must specify the parameter's SQL type.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param sqlType the SQL type code defined in java.sql.Types
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @exception SQLFeatureNotSupportedException if sqlType is
* a ARRAY, BLOB, CLOB,
* DATALINK, JAVA_OBJECT, NCHAR,
* NCLOB, NVARCHAR, LONGNVARCHAR,
* REF, ROWID, SQLXML
* or STRUCT data type and the JDBC driver does not support
* this data type
*/
void setNull(int parameterIndex, int sqlType) throws SQLException;
/**
* Sets the designated parameter to the given Java boolean value.
* The driver converts this
* to an SQL BIT or BOOLEAN value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement;
* if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setBoolean(int parameterIndex, boolean x) throws SQLException;
/**
* Sets the designated parameter to the given Java byte value.
* The driver converts this
* to an SQL TINYINT value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setByte(int parameterIndex, byte x) throws SQLException;
/**
* Sets the designated parameter to the given Java short value.
* The driver converts this
* to an SQL SMALLINT value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setShort(int parameterIndex, short x) throws SQLException;
/**
* Sets the designated parameter to the given Java int value.
* The driver converts this
* to an SQL INTEGER value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setInt(int parameterIndex, int x) throws SQLException;
/**
* Sets the designated parameter to the given Java long value.
* The driver converts this
* to an SQL BIGINT value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setLong(int parameterIndex, long x) throws SQLException;
/**
* Sets the designated parameter to the given Java float value.
* The driver converts this
* to an SQL REAL value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setFloat(int parameterIndex, float x) throws SQLException;
/**
* Sets the designated parameter to the given Java double value.
* The driver converts this
* to an SQL DOUBLE value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setDouble(int parameterIndex, double x) throws SQLException;
/**
* Sets the designated parameter to the given java.math.BigDecimal value.
* The driver converts this to an SQL NUMERIC value when
* it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException;
/**
* Sets the designated parameter to the given Java String value.
* The driver converts this
* to an SQL VARCHAR or LONGVARCHAR value
* (depending on the argument's
* size relative to the driver's limits on VARCHAR values)
* when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setString(int parameterIndex, String x) throws SQLException;
/**
* Sets the designated parameter to the given Java array of bytes. The driver converts
* this to an SQL VARBINARY or LONGVARBINARY
* (depending on the argument's size relative to the driver's limits on
* VARBINARY values) when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setBytes(int parameterIndex, byte x[]) throws SQLException;
/**
* Sets the designated parameter to the given java.sql.Date value
* using the default time zone of the virtual machine that is running
* the application.
* The driver converts this
* to an SQL DATE value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setDate(int parameterIndex, java.sql.Date x)
throws SQLException;
/**
* Sets the designated parameter to the given java.sql.Time value.
* The driver converts this
* to an SQL TIME value when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setTime(int parameterIndex, java.sql.Time x)
throws SQLException;
/**
* Sets the designated parameter to the given java.sql.Timestamp value.
* The driver
* converts this to an SQL TIMESTAMP value when it sends it to the
* database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement */
void setTimestamp(int parameterIndex, java.sql.Timestamp x)
throws SQLException;
/**
* Sets the designated parameter to the given input stream, which will have
* the specified number of bytes.
* When a very large ASCII value is input to a LONGVARCHAR
* parameter, it may be more practical to send it via a
* java.io.InputStream. Data will be read from the stream
* as needed until end-of-file is reached. The JDBC driver will
* do any necessary conversion from ASCII to the database char format.
*
*
Note: This stream object can either be a standard
* Java stream object or your own subclass that implements the
* standard interface.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the Java input stream that contains the ASCII parameter value
* @param length the number of bytes in the stream
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setAsciiStream(int parameterIndex, java.io.InputStream x, int length)
throws SQLException;
/**
* Sets the designated parameter to the given input stream, which
* will have the specified number of bytes.
*
* When a very large Unicode value is input to a LONGVARCHAR
* parameter, it may be more practical to send it via a
* java.io.InputStream object. The data will be read from the
* stream as needed until end-of-file is reached. The JDBC driver will
* do any necessary conversion from Unicode to the database char format.
*
*The byte format of the Unicode stream must be a Java UTF-8, as defined in the
*Java Virtual Machine Specification.
*
*
Note: This stream object can either be a standard
* Java stream object or your own subclass that implements the
* standard interface.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x a java.io.InputStream object that contains the
* Unicode parameter value
* @param length the number of bytes in the stream
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @exception SQLFeatureNotSupportedException if the JDBC driver does not support
* this method
* @deprecated
*/
void setUnicodeStream(int parameterIndex, java.io.InputStream x,
int length) throws SQLException;
/**
* Sets the designated parameter to the given input stream, which will have
* the specified number of bytes.
* When a very large binary value is input to a LONGVARBINARY
* parameter, it may be more practical to send it via a
* java.io.InputStream object. The data will be read from the
* stream as needed until end-of-file is reached.
*
*
Note: This stream object can either be a standard
* Java stream object or your own subclass that implements the
* standard interface.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the java input stream which contains the binary parameter value
* @param length the number of bytes in the stream
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void setBinaryStream(int parameterIndex, java.io.InputStream x,
int length) throws SQLException;
/**
* Clears the current parameter values immediately.
*
In general, parameter values remain in force for repeated use of a
* statement. Setting a parameter value automatically clears its
* previous value. However, in some cases it is useful to immediately
* release the resources used by the current parameter values; this can
* be done by calling the method clearParameters.
*
* @exception SQLException if a database access error occurs or
* this method is called on a closed PreparedStatement
*/
void clearParameters() throws SQLException;
//----------------------------------------------------------------------
// Advanced features:
/**
* Sets the value of the designated parameter with the given object.
* This method is like the method setObject
* above, except that it assumes a scale of zero.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the object containing the input parameter value
* @param targetSqlType the SQL type (as defined in java.sql.Types) to be
* sent to the database
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @exception SQLFeatureNotSupportedException if targetSqlType is
* a ARRAY, BLOB, CLOB,
* DATALINK, JAVA_OBJECT, NCHAR,
* NCLOB, NVARCHAR, LONGNVARCHAR,
* REF, ROWID, SQLXML
* or STRUCT data type and the JDBC driver does not support
* this data type
* @see Types
*/
void setObject(int parameterIndex, Object x, int targetSqlType)
throws SQLException;
/**
*
Sets the value of the designated parameter using the given object.
* The second parameter must be of type Object; therefore, the
* java.lang equivalent objects should be used for built-in types.
*
*
The JDBC specification specifies a standard mapping from
* Java Object types to SQL types. The given argument
* will be converted to the corresponding SQL type before being
* sent to the database.
*
*
Note that this method may be used to pass datatabase-
* specific abstract data types, by using a driver-specific Java
* type.
*
* If the object is of a class implementing the interface SQLData,
* the JDBC driver should call the method SQLData.writeSQL
* to write it to the SQL data stream.
* If, on the other hand, the object is of a class implementing
* Ref, Blob, Clob, NClob,
* Struct, java.net.URL, RowId, SQLXML
* or Array, the driver should pass it to the database as a
* value of the corresponding SQL type.
*
*Note: Not all databases allow for a non-typed Null to be sent to
* the backend. For maximum portability, the setNull or the
* setObject(int parameterIndex, Object x, int sqlType)
* method should be used
* instead of setObject(int parameterIndex, Object x).
*
* Note: This method throws an exception if there is an ambiguity, for example, if the
* object is of a class implementing more than one of the interfaces named above.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the object containing the input parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs;
* this method is called on a closed PreparedStatement
* or the type of the given object is ambiguous
*/
void setObject(int parameterIndex, Object x) throws SQLException;
/**
* Executes the SQL statement in this PreparedStatement object,
* which may be any kind of SQL statement.
* Some prepared statements return multiple results; the execute
* method handles these complex statements as well as the simpler
* form of statements handled by the methods executeQuery
* and executeUpdate.
*
* The execute method returns a boolean to
* indicate the form of the first result. You must call either the method
* getResultSet or getUpdateCount
* to retrieve the result; you must call getMoreResults to
* move to any subsequent result(s).
*
* @return true if the first result is a ResultSet
* object; false if the first result is an update
* count or there is no result
* @exception SQLException if a database access error occurs;
* this method is called on a closed PreparedStatement
* or an argument is supplied to this method
* @throws SQLTimeoutException when the driver has determined that the
* timeout value that was specified by the {@code setQueryTimeout}
* method has been exceeded and has at least attempted to cancel
* the currently running {@code Statement}
* @see Statement#execute
* @see Statement#getResultSet
* @see Statement#getUpdateCount
* @see Statement#getMoreResults
*/
boolean execute() throws SQLException;
//--------------------------JDBC 2.0-----------------------------
/**
* Adds a set of parameters to this PreparedStatement
* object's batch of commands.
*
* @exception SQLException if a database access error occurs or
* this method is called on a closed PreparedStatement
* @see Statement#addBatch
* @since 1.2
*/
void addBatch() throws SQLException;
/**
* Sets the designated parameter to the given Reader
* object, which is the given number of characters long.
* When a very large UNICODE value is input to a LONGVARCHAR
* parameter, it may be more practical to send it via a
* java.io.Reader object. The data will be read from the stream
* as needed until end-of-file is reached. The JDBC driver will
* do any necessary conversion from UNICODE to the database char format.
*
*
Note: This stream object can either be a standard
* Java stream object or your own subclass that implements the
* standard interface.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param reader the java.io.Reader object that contains the
* Unicode data
* @param length the number of characters in the stream
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @since 1.2
*/
void setCharacterStream(int parameterIndex,
java.io.Reader reader,
int length) throws SQLException;
/**
* Sets the designated parameter to the given
* REF(<structured-type>) value.
* The driver converts this to an SQL REF value when it
* sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x an SQL REF value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.2
*/
void setRef (int parameterIndex, Ref x) throws SQLException;
/**
* Sets the designated parameter to the given java.sql.Blob object.
* The driver converts this to an SQL BLOB value when it
* sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x a Blob object that maps an SQL BLOB value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.2
*/
void setBlob (int parameterIndex, Blob x) throws SQLException;
/**
* Sets the designated parameter to the given java.sql.Clob object.
* The driver converts this to an SQL CLOB value when it
* sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x a Clob object that maps an SQL CLOB value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.2
*/
void setClob (int parameterIndex, Clob x) throws SQLException;
/**
* Sets the designated parameter to the given java.sql.Array object.
* The driver converts this to an SQL ARRAY value when it
* sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x an Array object that maps an SQL ARRAY value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.2
*/
void setArray (int parameterIndex, Array x) throws SQLException;
/**
* Retrieves a ResultSetMetaData object that contains
* information about the columns of the ResultSet object
* that will be returned when this PreparedStatement object
* is executed.
*
* Because a PreparedStatement object is precompiled, it is
* possible to know about the ResultSet object that it will
* return without having to execute it. Consequently, it is possible
* to invoke the method getMetaData on a
* PreparedStatement object rather than waiting to execute
* it and then invoking the ResultSet.getMetaData method
* on the ResultSet object that is returned.
*
* NOTE: Using this method may be expensive for some drivers due
* to the lack of underlying DBMS support.
*
* @return the description of a ResultSet object's columns or
* null if the driver cannot return a
* ResultSetMetaData object
* @exception SQLException if a database access error occurs or
* this method is called on a closed PreparedStatement
* @exception SQLFeatureNotSupportedException if the JDBC driver does not support
* this method
* @since 1.2
*/
ResultSetMetaData getMetaData() throws SQLException;
/**
* Sets the designated parameter to the given java.sql.Date value,
* using the given Calendar object. The driver uses
* the Calendar object to construct an SQL DATE value,
* which the driver then sends to the database. With
* a Calendar object, the driver can calculate the date
* taking into account a custom timezone. If no
* Calendar object is specified, the driver uses the default
* timezone, which is that of the virtual machine running the application.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @param cal the Calendar object the driver will use
* to construct the date
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @since 1.2
*/
void setDate(int parameterIndex, java.sql.Date x, Calendar cal)
throws SQLException;
/**
* Sets the designated parameter to the given java.sql.Time value,
* using the given Calendar object. The driver uses
* the Calendar object to construct an SQL TIME value,
* which the driver then sends to the database. With
* a Calendar object, the driver can calculate the time
* taking into account a custom timezone. If no
* Calendar object is specified, the driver uses the default
* timezone, which is that of the virtual machine running the application.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @param cal the Calendar object the driver will use
* to construct the time
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @since 1.2
*/
void setTime(int parameterIndex, java.sql.Time x, Calendar cal)
throws SQLException;
/**
* Sets the designated parameter to the given java.sql.Timestamp value,
* using the given Calendar object. The driver uses
* the Calendar object to construct an SQL TIMESTAMP value,
* which the driver then sends to the database. With a
* Calendar object, the driver can calculate the timestamp
* taking into account a custom timezone. If no
* Calendar object is specified, the driver uses the default
* timezone, which is that of the virtual machine running the application.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @param cal the Calendar object the driver will use
* to construct the timestamp
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @since 1.2
*/
void setTimestamp(int parameterIndex, java.sql.Timestamp x, Calendar cal)
throws SQLException;
/**
* Sets the designated parameter to SQL NULL.
* This version of the method setNull should
* be used for user-defined types and REF type parameters. Examples
* of user-defined types include: STRUCT, DISTINCT, JAVA_OBJECT, and
* named array types.
*
*
Note: To be portable, applications must give the
* SQL type code and the fully-qualified SQL type name when specifying
* a NULL user-defined or REF parameter. In the case of a user-defined type
* the name is the type name of the parameter itself. For a REF
* parameter, the name is the type name of the referenced type. If
* a JDBC driver does not need the type code or type name information,
* it may ignore it.
*
* Although it is intended for user-defined and Ref parameters,
* this method may be used to set a null parameter of any JDBC type.
* If the parameter does not have a user-defined or REF type, the given
* typeName is ignored.
*
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param sqlType a value from java.sql.Types
* @param typeName the fully-qualified name of an SQL user-defined type;
* ignored if the parameter is not a user-defined type or REF
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @exception SQLFeatureNotSupportedException if sqlType is
* a ARRAY, BLOB, CLOB,
* DATALINK, JAVA_OBJECT, NCHAR,
* NCLOB, NVARCHAR, LONGNVARCHAR,
* REF, ROWID, SQLXML
* or STRUCT data type and the JDBC driver does not support
* this data type or if the JDBC driver does not support this method
* @since 1.2
*/
void setNull (int parameterIndex, int sqlType, String typeName)
throws SQLException;
//------------------------- JDBC 3.0 -----------------------------------
/**
* Sets the designated parameter to the given java.net.URL value.
* The driver converts this to an SQL DATALINK value
* when it sends it to the database.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the java.net.URL object to be set
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.4
*/
void setURL(int parameterIndex, java.net.URL x) throws SQLException;
/**
* Retrieves the number, types and properties of this
* PreparedStatement object's parameters.
*
* @return a ParameterMetaData object that contains information
* about the number, types and properties for each
* parameter marker of this PreparedStatement object
* @exception SQLException if a database access error occurs or
* this method is called on a closed PreparedStatement
* @see ParameterMetaData
* @since 1.4
*/
ParameterMetaData getParameterMetaData() throws SQLException;
//------------------------- JDBC 4.0 -----------------------------------
/**
* Sets the designated parameter to the given java.sql.RowId object. The
* driver converts this to a SQL ROWID value when it sends it
* to the database
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the parameter value
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
*
* @since 1.6
*/
void setRowId(int parameterIndex, RowId x) throws SQLException;
/**
* Sets the designated paramter to the given String object.
* The driver converts this to a SQL NCHAR or
* NVARCHAR or LONGNVARCHAR value
* (depending on the argument's
* size relative to the driver's limits on NVARCHAR values)
* when it sends it to the database.
*
* @param parameterIndex of the first parameter is 1, the second is 2, ...
* @param value the parameter value
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if the driver does not support national
* character sets; if the driver can detect that a data conversion
* error could occur; if a database access error occurs; or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.6
*/
void setNString(int parameterIndex, String value) throws SQLException;
/**
* Sets the designated parameter to a Reader object. The
* Reader reads the data till end-of-file is reached. The
* driver does the necessary conversion from Java character format to
* the national character set in the database.
* @param parameterIndex of the first parameter is 1, the second is 2, ...
* @param value the parameter value
* @param length the number of characters in the parameter data.
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if the driver does not support national
* character sets; if the driver can detect that a data conversion
* error could occur; if a database access error occurs; or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.6
*/
void setNCharacterStream(int parameterIndex, Reader value, long length) throws SQLException;
/**
* Sets the designated parameter to a java.sql.NClob object. The driver converts this to a
* SQL NCLOB value when it sends it to the database.
* @param parameterIndex of the first parameter is 1, the second is 2, ...
* @param value the parameter value
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if the driver does not support national
* character sets; if the driver can detect that a data conversion
* error could occur; if a database access error occurs; or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.6
*/
void setNClob(int parameterIndex, NClob value) throws SQLException;
/**
* Sets the designated parameter to a Reader object. The reader must contain the number
* of characters specified by length otherwise a SQLException will be
* generated when the PreparedStatement is executed.
*This method differs from the setCharacterStream (int, Reader, int) method
* because it informs the driver that the parameter value should be sent to
* the server as a CLOB. When the setCharacterStream method is used, the
* driver may have to do extra work to determine whether the parameter
* data should be sent to the server as a LONGVARCHAR or a CLOB
* @param parameterIndex index of the first parameter is 1, the second is 2, ...
* @param reader An object that contains the data to set the parameter value to.
* @param length the number of characters in the parameter data.
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs; this method is called on
* a closed PreparedStatement or if the length specified is less than zero.
*
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.6
*/
void setClob(int parameterIndex, Reader reader, long length)
throws SQLException;
/**
* Sets the designated parameter to a InputStream object. The inputstream must contain the number
* of characters specified by length otherwise a SQLException will be
* generated when the PreparedStatement is executed.
* This method differs from the setBinaryStream (int, InputStream, int)
* method because it informs the driver that the parameter value should be
* sent to the server as a BLOB. When the setBinaryStream method is used,
* the driver may have to do extra work to determine whether the parameter
* data should be sent to the server as a LONGVARBINARY or a BLOB
* @param parameterIndex index of the first parameter is 1,
* the second is 2, ...
* @param inputStream An object that contains the data to set the parameter
* value to.
* @param length the number of bytes in the parameter data.
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs;
* this method is called on a closed PreparedStatement;
* if the length specified
* is less than zero or if the number of bytes in the inputstream does not match
* the specfied length.
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
*
* @since 1.6
*/
void setBlob(int parameterIndex, InputStream inputStream, long length)
throws SQLException;
/**
* Sets the designated parameter to a Reader object. The reader must contain the number
* of characters specified by length otherwise a SQLException will be
* generated when the PreparedStatement is executed.
* This method differs from the setCharacterStream (int, Reader, int) method
* because it informs the driver that the parameter value should be sent to
* the server as a NCLOB. When the setCharacterStream method is used, the
* driver may have to do extra work to determine whether the parameter
* data should be sent to the server as a LONGNVARCHAR or a NCLOB
* @param parameterIndex index of the first parameter is 1, the second is 2, ...
* @param reader An object that contains the data to set the parameter value to.
* @param length the number of characters in the parameter data.
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if the length specified is less than zero;
* if the driver does not support national character sets;
* if the driver can detect that a data conversion
* error could occur; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
*
* @since 1.6
*/
void setNClob(int parameterIndex, Reader reader, long length)
throws SQLException;
/**
* Sets the designated parameter to the given java.sql.SQLXML object.
* The driver converts this to an
* SQL XML value when it sends it to the database.
*
*
* @param parameterIndex index of the first parameter is 1, the second is 2, ...
* @param xmlObject a SQLXML object that maps an SQL XML value
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs;
* this method is called on a closed PreparedStatement
* or the java.xml.transform.Result,
* Writer or OutputStream has not been closed for
* the SQLXML object
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
*
* @since 1.6
*/
void setSQLXML(int parameterIndex, SQLXML xmlObject) throws SQLException;
/**
*
Sets the value of the designated parameter with the given object. The second
* argument must be an object type; for integral values, the
* java.lang equivalent objects should be used.
*
* If the second argument is an InputStream then the stream must contain
* the number of bytes specified by scaleOrLength. If the second argument is a
* Reader then the reader must contain the number of characters specified
* by scaleOrLength. If these conditions are not true the driver will generate a
* SQLException when the prepared statement is executed.
*
*
The given Java object will be converted to the given targetSqlType
* before being sent to the database.
*
* If the object has a custom mapping (is of a class implementing the
* interface SQLData),
* the JDBC driver should call the method SQLData.writeSQL to
* write it to the SQL data stream.
* If, on the other hand, the object is of a class implementing
* Ref, Blob, Clob, NClob,
* Struct, java.net.URL,
* or Array, the driver should pass it to the database as a
* value of the corresponding SQL type.
*
*
Note that this method may be used to pass database-specific
* abstract data types.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the object containing the input parameter value
* @param targetSqlType the SQL type (as defined in java.sql.Types) to be
* sent to the database. The scale argument may further qualify this type.
* @param scaleOrLength for java.sql.Types.DECIMAL
* or java.sql.Types.NUMERIC types,
* this is the number of digits after the decimal point. For
* Java Object types InputStream and Reader,
* this is the length
* of the data in the stream or reader. For all other types,
* this value will be ignored.
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs;
* this method is called on a closed PreparedStatement or
* if the Java Object specified by x is an InputStream
* or Reader object and the value of the scale parameter is less
* than zero
* @exception SQLFeatureNotSupportedException if targetSqlType is
* a ARRAY, BLOB, CLOB,
* DATALINK, JAVA_OBJECT, NCHAR,
* NCLOB, NVARCHAR, LONGNVARCHAR,
* REF, ROWID, SQLXML
* or STRUCT data type and the JDBC driver does not support
* this data type
* @see Types
*
* @since 1.6
*/
void setObject(int parameterIndex, Object x, int targetSqlType, int scaleOrLength)
throws SQLException;
/**
* Sets the designated parameter to the given input stream, which will have
* the specified number of bytes.
* When a very large ASCII value is input to a LONGVARCHAR
* parameter, it may be more practical to send it via a
* java.io.InputStream. Data will be read from the stream
* as needed until end-of-file is reached. The JDBC driver will
* do any necessary conversion from ASCII to the database char format.
*
*
Note: This stream object can either be a standard
* Java stream object or your own subclass that implements the
* standard interface.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the Java input stream that contains the ASCII parameter value
* @param length the number of bytes in the stream
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @since 1.6
*/
void setAsciiStream(int parameterIndex, java.io.InputStream x, long length)
throws SQLException;
/**
* Sets the designated parameter to the given input stream, which will have
* the specified number of bytes.
* When a very large binary value is input to a LONGVARBINARY
* parameter, it may be more practical to send it via a
* java.io.InputStream object. The data will be read from the
* stream as needed until end-of-file is reached.
*
*
Note: This stream object can either be a standard
* Java stream object or your own subclass that implements the
* standard interface.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the java input stream which contains the binary parameter value
* @param length the number of bytes in the stream
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @since 1.6
*/
void setBinaryStream(int parameterIndex, java.io.InputStream x,
long length) throws SQLException;
/**
* Sets the designated parameter to the given Reader
* object, which is the given number of characters long.
* When a very large UNICODE value is input to a LONGVARCHAR
* parameter, it may be more practical to send it via a
* java.io.Reader object. The data will be read from the stream
* as needed until end-of-file is reached. The JDBC driver will
* do any necessary conversion from UNICODE to the database char format.
*
*
Note: This stream object can either be a standard
* Java stream object or your own subclass that implements the
* standard interface.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param reader the java.io.Reader object that contains the
* Unicode data
* @param length the number of characters in the stream
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @since 1.6
*/
void setCharacterStream(int parameterIndex,
java.io.Reader reader,
long length) throws SQLException;
//-----
/**
* Sets the designated parameter to the given input stream.
* When a very large ASCII value is input to a LONGVARCHAR
* parameter, it may be more practical to send it via a
* java.io.InputStream. Data will be read from the stream
* as needed until end-of-file is reached. The JDBC driver will
* do any necessary conversion from ASCII to the database char format.
*
*
Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *
Note: Consult your JDBC driver documentation to determine if
* it might be more efficient to use a version of
* setAsciiStream which takes a length parameter.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the Java input stream that contains the ASCII parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.6
*/
void setAsciiStream(int parameterIndex, java.io.InputStream x)
throws SQLException;
/**
* Sets the designated parameter to the given input stream.
* When a very large binary value is input to a LONGVARBINARY
* parameter, it may be more practical to send it via a
* java.io.InputStream object. The data will be read from the
* stream as needed until end-of-file is reached.
*
*
Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *
Note: Consult your JDBC driver documentation to determine if
* it might be more efficient to use a version of
* setBinaryStream which takes a length parameter.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param x the java input stream which contains the binary parameter value
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.6
*/
void setBinaryStream(int parameterIndex, java.io.InputStream x)
throws SQLException;
/**
* Sets the designated parameter to the given Reader
* object.
* When a very large UNICODE value is input to a LONGVARCHAR
* parameter, it may be more practical to send it via a
* java.io.Reader object. The data will be read from the stream
* as needed until end-of-file is reached. The JDBC driver will
* do any necessary conversion from UNICODE to the database char format.
*
*
Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *
Note: Consult your JDBC driver documentation to determine if
* it might be more efficient to use a version of
* setCharacterStream which takes a length parameter.
*
* @param parameterIndex the first parameter is 1, the second is 2, ...
* @param reader the java.io.Reader object that contains the
* Unicode data
* @exception SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.6
*/
void setCharacterStream(int parameterIndex,
java.io.Reader reader) throws SQLException;
/**
* Sets the designated parameter to a Reader object. The
* Reader reads the data till end-of-file is reached. The
* driver does the necessary conversion from Java character format to
* the national character set in the database.
*
Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *
Note: Consult your JDBC driver documentation to determine if
* it might be more efficient to use a version of
* setNCharacterStream which takes a length parameter.
*
* @param parameterIndex of the first parameter is 1, the second is 2, ...
* @param value the parameter value
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if the driver does not support national
* character sets; if the driver can detect that a data conversion
* error could occur; if a database access error occurs; or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.6
*/
void setNCharacterStream(int parameterIndex, Reader value) throws SQLException;
/**
* Sets the designated parameter to a Reader object.
* This method differs from the setCharacterStream (int, Reader) method
* because it informs the driver that the parameter value should be sent to
* the server as a CLOB. When the setCharacterStream method is used, the
* driver may have to do extra work to determine whether the parameter
* data should be sent to the server as a LONGVARCHAR or a CLOB
*
*
Note: Consult your JDBC driver documentation to determine if
* it might be more efficient to use a version of
* setClob which takes a length parameter.
*
* @param parameterIndex index of the first parameter is 1, the second is 2, ...
* @param reader An object that contains the data to set the parameter value to.
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs; this method is called on
* a closed PreparedStatementor if parameterIndex does not correspond to a parameter
* marker in the SQL statement
*
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
* @since 1.6
*/
void setClob(int parameterIndex, Reader reader)
throws SQLException;
/**
* Sets the designated parameter to a InputStream object.
* This method differs from the setBinaryStream (int, InputStream)
* method because it informs the driver that the parameter value should be
* sent to the server as a BLOB. When the setBinaryStream method is used,
* the driver may have to do extra work to determine whether the parameter
* data should be sent to the server as a LONGVARBINARY or a BLOB
*
*
Note: Consult your JDBC driver documentation to determine if
* it might be more efficient to use a version of
* setBlob which takes a length parameter.
*
* @param parameterIndex index of the first parameter is 1,
* the second is 2, ...
* @param inputStream An object that contains the data to set the parameter
* value to.
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement; if a database access error occurs;
* this method is called on a closed PreparedStatement or
* if parameterIndex does not correspond
* to a parameter marker in the SQL statement,
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
*
* @since 1.6
*/
void setBlob(int parameterIndex, InputStream inputStream)
throws SQLException;
/**
* Sets the designated parameter to a Reader object.
* This method differs from the setCharacterStream (int, Reader) method
* because it informs the driver that the parameter value should be sent to
* the server as a NCLOB. When the setCharacterStream method is used, the
* driver may have to do extra work to determine whether the parameter
* data should be sent to the server as a LONGNVARCHAR or a NCLOB
*
Note: Consult your JDBC driver documentation to determine if
* it might be more efficient to use a version of
* setNClob which takes a length parameter.
*
* @param parameterIndex index of the first parameter is 1, the second is 2, ...
* @param reader An object that contains the data to set the parameter value to.
* @throws SQLException if parameterIndex does not correspond to a parameter
* marker in the SQL statement;
* if the driver does not support national character sets;
* if the driver can detect that a data conversion
* error could occur; if a database access error occurs or
* this method is called on a closed PreparedStatement
* @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method
*
* @since 1.6
*/
void setNClob(int parameterIndex, Reader reader)
throws SQLException;
}