groovyresultset.java

来自「大名鼎鼎的java动态脚本语言。已经通过了sun的认证」· Java 代码 · 共 1,569 行 · 第 1/5 页

JAVA
1,569
字号
    public double getDouble(String columnName) throws SQLException {        return getResultSet().getDouble(columnName);    }    /**     * Retrieves the value of the designated column in the current row     * of this <code>getResultSet()</code> object as     * a <code>java.math.BigDecimal</code> in the Java programming language.     *     * @param columnName the SQL name of the column     * @param scale      the number of digits to the right of the decimal point     * @return the column value; if the value is SQL <code>NULL</code>, the     *         value returned is <code>null</code>     * @throws SQLException if a database access error occurs     * @deprecated     */    public BigDecimal getBigDecimal(String columnName, int scale) throws SQLException {        return getResultSet().getBigDecimal(columnName, scale);    }    /**     * Retrieves the value of the designated column in the current row     * of this <code>getResultSet()</code> object as     * a <code>byte</code> array in the Java programming language.     * The bytes represent the raw values returned by the driver.     *     * @param columnName the SQL name of the column     * @return the column value; if the value is SQL <code>NULL</code>, the     *         value returned is <code>null</code>     * @throws SQLException if a database access error occurs     */    public byte[] getBytes(String columnName) throws SQLException {        return getResultSet().getBytes(columnName);    }    /**     * Retrieves the value of the designated column in the current row     * of this <code>getResultSet()</code> object as     * a <code>java.sql.Date</code> object in the Java programming language.     *     * @param columnName the SQL name of the column     * @return the column value; if the value is SQL <code>NULL</code>, the     *         value returned is <code>null</code>     * @throws SQLException if a database access error occurs     */    public java.sql.Date getDate(String columnName) throws SQLException {        return getResultSet().getDate(columnName);    }    /**     * Retrieves the value of the designated column in the current row     * of this <code>getResultSet()</code> object as     * a <code>java.sql.Time</code> object in the Java programming language.     *     * @param columnName the SQL name of the column     * @return the column value;     *         if the value is SQL <code>NULL</code>,     *         the value returned is <code>null</code>     * @throws SQLException if a database access error occurs     */    public java.sql.Time getTime(String columnName) throws SQLException {        return getResultSet().getTime(columnName);    }    /**     * Retrieves the value of the designated column in the current row     * of this <code>getResultSet()</code> object as     * a <code>java.sql.Timestamp</code> object.     *     * @param columnName the SQL name of the column     * @return the column value; if the value is SQL <code>NULL</code>, the     *         value returned is <code>null</code>     * @throws SQLException if a database access error occurs     */    public java.sql.Timestamp getTimestamp(String columnName) throws SQLException {        return getResultSet().getTimestamp(columnName);    }    /**     * Retrieves the value of the designated column in the current row     * of this <code>getResultSet()</code> object as a stream of     * ASCII characters. The value can then be read in chunks from the     * stream. This method is particularly     * suitable for retrieving large <code>LONGVARCHAR</code> values.     * The JDBC driver will     * do any necessary conversion from the database format into ASCII.     * <p/>     * <P><B>Note:</B> All the data in the returned stream must be     * read prior to getting the value of any other column. The next     * call to a getter method implicitly closes the stream. Also, a     * stream may return <code>0</code> when the method <code>available</code>     * is called whether there is data available or not.     *     * @param columnName the SQL name of the column     * @return a Java input stream that delivers the database column value     *         as a stream of one-byte ASCII characters.     *         If the value is SQL <code>NULL</code>,     *         the value returned is <code>null</code>.     * @throws SQLException if a database access error occurs     */    public java.io.InputStream getAsciiStream(String columnName) throws SQLException {        return getResultSet().getAsciiStream(columnName);    }    /**     * Retrieves the value of the designated column in the current row     * of this <code>getResultSet()</code> object as a stream of two-byte     * Unicode characters. The first byte is the high byte; the second     * byte is the low byte.     * <p/>     * The value can then be read in chunks from the     * stream. This method is particularly     * suitable for retrieving large <code>LONGVARCHAR</code> values.     * The JDBC technology-enabled driver will     * do any necessary conversion from the database format into Unicode.     * <p/>     * <P><B>Note:</B> All the data in the returned stream must be     * read prior to getting the value of any other column. The next     * call to a getter method implicitly closes the stream.     * Also, a stream may return <code>0</code> when the method     * <code>InputStream.available</code> is called, whether there     * is data available or not.     *     * @param columnName the SQL name of the column     * @return a Java input stream that delivers the database column value     *         as a stream of two-byte Unicode characters.     *         If the value is SQL <code>NULL</code>, the value returned     *         is <code>null</code>.     * @throws SQLException if a database access error occurs     * @deprecated use <code>getCharacterStream</code> instead     */    public java.io.InputStream getUnicodeStream(String columnName) throws SQLException {        return getResultSet().getUnicodeStream(columnName);    }    /**     * Retrieves the value of the designated column in the current row     * of this <code>getResultSet()</code> object as a stream of uninterpreted     * <code>byte</code>s.     * The value can then be read in chunks from the     * stream. This method is particularly     * suitable for retrieving large <code>LONGVARBINARY</code>     * values.     * <p/>     * <P><B>Note:</B> All the data in the returned stream must be     * read prior to getting the value of any other column. The next     * call to a getter method implicitly closes the stream. Also, a     * stream may return <code>0</code> when the method <code>available</code>     * is called whether there is data available or not.     *     * @param columnName the SQL name of the column     * @return a Java input stream that delivers the database column value     *         as a stream of uninterpreted bytes;     *         if the value is SQL <code>NULL</code>, the result is <code>null</code>     * @throws SQLException if a database access error occurs     */    public java.io.InputStream getBinaryStream(String columnName)            throws SQLException {        return getResultSet().getBinaryStream(columnName);    }    //=====================================================================    // Advanced features:    //=====================================================================    /**     * Retrieves the first warning reported by calls on this     * <code>getResultSet()</code> object.     * Subsequent warnings on this <code>getResultSet()</code> object     * will be chained to the <code>SQLWarning</code> object that     * this method returns.     * <p/>     * <P>The warning chain is automatically cleared each time a new     * row is read.  This method may not be called on a <code>getResultSet()</code>     * object that has been closed; doing so will cause an     * <code>SQLException</code> to be thrown.     * <p/>     * <B>Note:</B> This warning chain only covers warnings caused     * by <code>getResultSet()</code> methods.  Any warning caused by     * <code>Statement</code> methods     * (such as reading OUT parameters) will be chained on the     * <code>Statement</code> object.     *     * @return the first <code>SQLWarning</code> object reported or     *         <code>null</code> if there are none     * @throws SQLException if a database access error occurs or this method is     *                      called on a closed result set     */    public SQLWarning getWarnings() throws SQLException {        return getResultSet().getWarnings();    }    /**     * Clears all warnings reported on this <code>getResultSet()</code> object.     * After this method is called, the method <code>getWarnings</code>     * returns <code>null</code> until a new warning is     * reported for this <code>getResultSet()</code> object.     *     * @throws SQLException if a database access error occurs     */    public void clearWarnings() throws SQLException {        getResultSet().clearWarnings();    }    /**     * Retrieves the name of the SQL cursor used by this <code>getResultSet()</code>     * object.     * <p/>     * <P>In SQL, a result table is retrieved through a cursor that is     * named. The current row of a result set can be updated or deleted     * using a positioned update/delete statement that references the     * cursor name. To insure that the cursor has the proper isolation     * level to support update, the cursor's <code>SELECT</code> statement     * should be of the form <code>SELECT FOR UPDATE</code>. If     * <code>FOR UPDATE</code> is omitted, the positioned updates may fail.     * <p/>     * <P>The JDBC API supports this SQL feature by providing the name of the     * SQL cursor used by a <code>getResultSet()</code> object.     * The current row of a <code>getResultSet()</code> object     * is also the current row of this SQL cursor.     * <p/>     * <P><B>Note:</B> If positioned update is not supported, a     * <code>SQLException</code> is thrown.     *     * @return the SQL name for this <code>getResultSet()</code> object's cursor     * @throws SQLException if a database access error occurs     */    public String getCursorName() throws SQLException {        return getResultSet().getCursorName();    }    /**     * Retrieves the  number, types and properties of     * this <code>getResultSet()</code> object's columns.     *     * @return the description of this <code>getResultSet()</code> object's columns     * @throws SQLException if a database access error occurs     */    public ResultSetMetaData getMetaData() throws SQLException {        return getResultSet().getMetaData();    }    /**     * <p>Gets the value of the designated column in the current row     * of this <code>getResultSet()</code> object as     * an <code>Object</code> in the Java programming language.     * <p/>     * <p>This method will return the value of the given column as a     * Java object.  The type of the Java object will be the default     * Java object type corresponding to the column's SQL type,     * following the mapping for built-in types specified in the JDBC     * specification. If the value is an SQL <code>NULL</code>,     * the driver returns a Java <code>null</code>.     * <p/>     * <p>This method may also be used to read database-specific     * abstract data types.     * <p/>     * In the JDBC 2.0 API, the behavior of method     * <code>getObject</code> is extended to materialize     * data of SQL user-defined types.  When a column contains     * a structured or distinct value, the behavior of this method is as     * if it were a call to: <code>getObject(columnIndex,     * this.getStatement().getConnection().getTypeMap())</code>.     *     * @param columnIndex the first column is 1, the second is 2, ...     * @return a <code>java.lang.Object</code> holding the column value     * @throws SQLException if a database access error occurs     */    public Object getObject(int columnIndex) throws SQLException {        return getResultSet().getObject(columnIndex);    }    /**     * <p>Gets the value of the designated column in the current row     * of this <code>getResultSet()</code> object as     * an <code>Object</code> in the Java programming language.     * <p/>     * <p>This method will return the value of the given column as a     * Java object.  The type of the Java object will be the default     * Java object type corresponding to the column's SQL type,     * following the mapping for built-in types specified in the JDBC     * specification. If the value is an SQL <code>NULL</code>,     * the driver returns a Java <code>null</code>.     * <p/>     * This method may also be used to read database-specific     * abstract data types.     * <p/>     * In the JDBC 2.0 API, the behavior of the method     * <code>getObject</code> is extended to materialize     * data of SQL user-defined types.  When a column contains     * a structured or distinct value, the behavior of this method is as     * if it were a call to: <code>getObject(columnIndex,     * this.getStatement().getConnection().getTypeMap())</code>.     *     * @param columnName the SQL name of the column     * @return a <code>java.lang.Object</code> holding the column value     * @throws SQLException if a database access error occurs     */    public Object getObject(String columnName) throws SQLException {        return getResultSet().getObject(columnName);    }    //----------------------------------------------------------------    /**     * Maps the given <code>getResultSet()</code> column name to its     * <code>getResultSet()</code> column index.     *     * @param columnName the name of the column     * @return the column index of the given column name     * @throws SQLException if the <code>getResultSet()</code> object     *                      does not contain <code>columnName</code> or a database access error occurs     */

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?