程序包 org.hibernate.engine.jdbc.spi

接口 StatementPreparer

public interface StatementPreparer

Contracting for preparing SQL statements

作者:

Steve Ebersole, Brett Meyer

方法概要

修饰符和类型	方法	说明
Statement	createStatement()	Create a statement.
PreparedStatement	prepareQueryStatement(String sql, boolean isCallable, ScrollMode scrollMode)	Get a prepared statement for use in loading / querying.
PreparedStatement	prepareStatement(String sql)	Prepare a statement.
PreparedStatement	prepareStatement(String sql, boolean isCallable)	Prepare a statement.
PreparedStatement	prepareStatement(String sql, int autoGeneratedKeys)	Prepare an INSERT statement, specifying how auto-generated (by the database) keys should be handled.
PreparedStatement	prepareStatement(String sql, String[] columnNames)	Prepare an INSERT statement, specifying columns which are auto-generated values to be returned.

方法详细资料

createStatement

Statement createStatement()

Create a statement.

返回:

the statement

prepareStatement

PreparedStatement prepareStatement(String sql)

Prepare a statement.

参数:

sql - The SQL the statement to be prepared

返回:

the prepared statement

prepareStatement

PreparedStatement prepareStatement(String sql,
                                   boolean isCallable)

Prepare a statement.

参数:

sql - The SQL the statement to be prepared

isCallable - Whether to prepare as a callable statement.

返回:

the prepared statement

prepareStatement

PreparedStatement prepareStatement(String sql,
                                   int autoGeneratedKeys)

Prepare an INSERT statement, specifying how auto-generated (by the database) keys should be handled. Really this is a boolean, but JDBC opted to define it instead using 2 int constants:

• Statement.RETURN_GENERATED_KEYS
• Statement.NO_GENERATED_KEYS

Generated keys are accessed afterwards via Statement.getGeneratedKeys()

参数:

sql - The INSERT SQL

autoGeneratedKeys - The autoGeneratedKeys flag

返回:

the prepared statement

另请参阅:

Connection.prepareStatement(String, int)

prepareStatement

PreparedStatement prepareStatement(String sql,
                                   String[] columnNames)

Prepare an INSERT statement, specifying columns which are auto-generated values to be returned. Generated keys are accessed afterwards via Statement.getGeneratedKeys()

参数:

sql - - the SQL for the statement to be prepared

columnNames - The name of the columns to be returned in the generated keys result set.

返回:

the prepared statement

另请参阅:

Connection.prepareStatement(String, String[])

prepareQueryStatement

PreparedStatement prepareQueryStatement(String sql,
                                        boolean isCallable,
                                        ScrollMode scrollMode)

Get a prepared statement for use in loading / querying.

参数:

sql - The SQL the statement to be prepared

isCallable - Whether to prepare as a callable statement.

scrollMode - (optional) scroll mode to be applied to the resulting result set; may be null to indicate no scrolling should be applied.

返回:

the prepared statement