⭐ 欢迎来到虫虫下载站! | 📦 资源下载 📁 资源专辑 ℹ️ 关于我们
⭐ 虫虫下载站

📄 simpletextresultset.java

📁 codebook!
💻 JAVA
📖 第 1 页 / 共 4 页
字号:
    // getFloat - JDBC API    // Get the value of a column in the current row as a Java float.    //    //    columnIndex        the first column is 1, the second is 2, ...    //    // Returns the column value; if the value is SQL NULL the result is 0    //------------------------------------------------------------------------    public float getFloat(        int columnIndex)        throws SQLException    {        // We could coerce the data, but for now an exception is thrown        throw DataTypeNotSupported();    }    //------------------------------------------------------------------------    // getDouble - JDBC API    // Get the value of a column in the current row as a Java double.    //    //    columnIndex        the first column is 1, the second is 2, ...    //    // Returns the column value; if the value is SQL NULL the result is 0    //------------------------------------------------------------------------    public double getDouble(        int columnIndex)        throws SQLException    {        // We could coerce the data, but for now an exception is thrown        throw DataTypeNotSupported();    }    //------------------------------------------------------------------------    // getBigDecimal - JDBC API    // Get the value of a column in the current row as a java.math.BigDecimal    // object.    //    //    columnIndex        the first column is 1, the second is 2, ...    //    scale            the number of digits to the right of the decimal    //    // Returns the column value; if the value is SQL NULL the result is null    //------------------------------------------------------------------------    public java.math.BigDecimal getBigDecimal(        int columnIndex,        int scale)        throws SQLException    {        String s = getString(columnIndex);        java.math.BigDecimal d = null;        if (s != null) {            java.math.BigInteger i = new java.math.BigInteger(s);            d = new java.math.BigDecimal (i, scale);        }        return d;    }    //------------------------------------------------------------------------    // getBytes - JDBC API    // Get the value of a column in the current row as a Java byte array.    // The bytes represent the raw values returned by the driver.    //    //    columnIndex        the first column is 1, the second is 2, ...    //    // Returns the column value; if the value is SQL NULL the result is null    //------------------------------------------------------------------------    public byte[] getBytes(        int columnIndex)        throws SQLException    {        // Verify the column        verify(columnIndex);        byte b[] = null;        if (inMemoryRows != null) {            b = (getColumn(rowNum, columnIndex)).getBytes();        }        else {            CommonValue value = getValue(columnIndex);            if (value != null) {                b = value.getBytes();            }        }        if (b == null) {            lastNull = true;        }        return b;    }    //------------------------------------------------------------------------    // getDate - JDBC API    // Get the value of a column in the current row as a java.sql.Date object.    //    //    columnIndex        the first column is 1, the second is 2, ...    //    // Returns the column value; if the value is SQL NULL the result is null    //------------------------------------------------------------------------    public java.sql.Date getDate(        int columnIndex)        throws SQLException    {        // We could coerce the data, but for now an exception is thrown        throw DataTypeNotSupported();    }    //------------------------------------------------------------------------    // getTime - JDBC API    // Get the value of a column in the current row as a java.sql.Time object.    //    //    columnIndex        the first column is 1, the second is 2, ...    //    // Returns the column value; if the value is SQL NULL the result is null    //------------------------------------------------------------------------    public java.sql.Time getTime(        int columnIndex)        throws SQLException    {        // We could coerce the data, but for now an exception is thrown        throw DataTypeNotSupported();    }    //------------------------------------------------------------------------    // getTimestamp - JDBC API    // Get the value of a column in the current row as a java.sql.Timestamp    // object.    //    //    columnIndex        the first column is 1, the second is 2, ...    //    // Returns the column value; if the value is SQL NULL the result is null    //------------------------------------------------------------------------    public java.sql.Timestamp getTimestamp(        int columnIndex)        throws SQLException    {        // We could coerce the data, but for now an exception is thrown        throw DataTypeNotSupported();    }    //------------------------------------------------------------------------    // A column value can be retrieved as a stream of ASCII characters    // and then read in chunks from the stream.  This method is particularly    // suitable for retrieving large LONGVARCHAR values.  The JDBC driver will    // do any necessary conversion from the database format into ASCII.    //    // Note:  All the data in the returned stream must    // be read prior to getting the value of any other column. The    // next call to a get method implicitly closes the stream.    //    //    columnIndex        the first column is 1, the second is 2, ...    //    // Returns a Java input stream that delivers the database column value    // as a stream of one byte ASCII characters.  If the value is SQL NULL    // then the result is null.    //------------------------------------------------------------------------    public java.io.InputStream getAsciiStream(        int columnIndex)        throws SQLException    {        // Binary InputStreams are the only InputStream types supported        throw DataTypeNotSupported();    }    //------------------------------------------------------------------------    // getUnicodeStream - JDBC API    // A column value can be retrieved as a stream of Unicode characters    // and then read in chunks from the stream.  This method is particularly    // suitable for retrieving large LONGVARCHAR values.  The JDBC driver will    // do any necessary conversion from the database format into Unicode.    //    // Note:  All the data in the returned stream must    // be read prior to getting the value of any other column. The    // next call to a get method implicitly closes the stream.    //    //    columnIndex        the first column is 1, the second is 2, ...    //    // Returns a Java input stream that delivers the database column value    // as a stream of two byte Unicode characters.  If the value is SQL NULL    // then the result is null.    //------------------------------------------------------------------------    public java.io.InputStream getUnicodeStream(        int columnIndex)        throws SQLException    {        // Binary InputStreams are the only InputStream types supported        throw DataTypeNotSupported();    }    //------------------------------------------------------------------------    // getBinaryStream - JDBC API    // A column value can be retrieved as a stream of uninterpreted bytes    // and then read in chunks from the stream.  This method is particularly    // suitable for retrieving large LONGVARBINARY values.    //    // Note:  All the data in the returned stream must    // be read prior to getting the value of any other column. The    // next call to a get method implicitly closes the stream.    //    //    columnIndex        the first column is 1, the second is 2, ...    //    // Returns a Java input stream that delivers the database column value    // as a stream of uninterpreted bytes.  If the value is SQL NULL    // then the result is null.    //------------------------------------------------------------------------    public java.io.InputStream getBinaryStream(        int columnIndex)        throws SQLException    {        // Verify the column        verify(columnIndex);        CommonValue value = null;        if (inMemoryRows != null) {            value = getColumn(rowNum, columnIndex);        }        else {            value = getValue(columnIndex);        }        int length = -1;        // Get the length, if possible        if (value != null) {            byte b[] = value.getBytes();            if (b != null) {                length = b.length;            }        }        SimpleTextInputStream inputStream = new SimpleTextInputStream(                    value, SimpleTextInputStream.STREAM_TYPE_BINARY,                    length);        return inputStream;    }    //======================================================================    // Methods for accessing results by column name    //======================================================================    //------------------------------------------------------------------------    // getString - JDBC API    // Get the value of a column in the current row as a Java String.    //    //    columnName        is the SQL name of the column    //    // Returns the column value; if the value is SQL NULL the result is null    //------------------------------------------------------------------------    public String getString(        String columnName)        throws SQLException    {        return getString(findColumn(columnName));    }    //------------------------------------------------------------------------    // getBoolean - JDBC API    // Get the value of a column in the current row as a Java boolean.    //    //    columnName        is the SQL name of the column    //    // Returns the column value; if the value is SQL NULL the result is false    //------------------------------------------------------------------------    public boolean getBoolean(        String columnName)        throws SQLException    {        return getBoolean(findColumn(columnName));    }    //------------------------------------------------------------------------    // getByte - JDBC API    // Get the value of a column in the current row as a Java byte.    //    //    columnName        is the SQL name of the column    //    // Returns the column value; if the value is SQL NULL the result is 0    //------------------------------------------------------------------------    public byte getByte(        String columnName)        throws SQLException    {        return getByte(findColumn(columnName));    }    //------------------------------------------------------------------------    // getShort - JDBC API    // Get the value of a column in the current row as a Java short.    //    //    columnName        is the SQL name of the column    //    // Returns the column value; if the value is SQL NULL the result is 0    //------------------------------------------------------------------------    public short getShort(        String columnName)        throws SQLException    {        return getShort(findColumn(columnName));    }    //------------------------------------------------------------------------    // getInt - JDBC API    // Get the value of a column in the current row as a Java int.    //    //    columnName        is the SQL name of the column    //    // Returns the column value; if the value is SQL NULL the result is 0    //------------------------------------------------------------------------    public int getInt(        String columnName)        throws SQLException    {        return getInt(findColumn(columnName));    }    //------------------------------------------------------------------------    // getLong - JDBC API    // Get the value of a column in the current row as a Java long.    //    //    columnName        is the SQL name of the column    //    // Returns the column value; if the value is SQL NULL the result is 0    //------------------------------------------------------------------------    public long getLong(        String columnName)        throws SQLException    {        return getLong(findColumn(columnName));    }    //------------------------------------------------------------------------    // getFloat - JDBC API    // Get the value of a column in the current row as a Java float.    //    //    columnName        is the SQL name of the column    //    // Returns the column value; if the value is SQL NULL the result is 0    //------------------------------------------------------------------------    public float getFloat(        String columnName)        throws SQLException    {        return getFloat(findColumn(columnName));    }    //------------------------------------------------------------------------    // getDouble - JDBC API    // Get the value of a column in the current row as a Java double.    //    //    columnName        is the SQL name of the column    //    // Returns the column value; if the value is SQL NULL the result is 0    //------------------------------------------------------------------------    public double getDouble(        String columnName)        throws SQLException    {        return getDouble(findColumn(columnName));    }    //------------------------------------------------------------------------    // getBigDecimal - JDBC API    // Get the value of a column in the current row as a java.math.BigDecimal    // object.    //    //    columnName        is the SQL name of the column    //    scale            the number of digits to the right of the decimal    //    // Returns the column value; if the value is SQL NULL the result is null    //------------------------------------------------------------------------    public java.math.BigDecimal getBigDecimal(        String columnName,

⌨️ 快捷键说明

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