Examples of org.gdbms.engine.data.driver.DriverException

org.gdbms.engine.data.driver.DriverException
Excepci�n lanzada cuando un driver no pudo resolver la petici�n que se le realiz�. En un driver de fichero tendr� como causa una IOException, en un driver de DB tendr� una SQLException, ... @author Fernando Gonz�lez Cort�s

     */
    public int getFieldCount() throws DriverException {
        try {
            return resultSet.getMetaData().getColumnCount();
        } catch (SQLException e) {
            throw new DriverException(e);
        }
    }

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     */
    public String getFieldName(int fieldId) throws DriverException {
        try {
            return resultSet.getMetaData().getColumnName(fieldId + 1);
        } catch (SQLException e) {
            throw new DriverException(e);
        }
    }

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     */
    public int getFieldType(int i) throws DriverException {
        try {
            return resultSet.getMetaData().getColumnType(i + 1);
        } catch (SQLException e) {
            throw new DriverException(e);
        }
    }

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                pks.add(rs.getString("COLUMN_NAME"));
            }
            
            ret.setPrimaryKey(pks.toArray(new String[0]));
        } catch (SQLException e) {
            throw new DriverException(e);
        }
    }

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                            .getFieldType(i), driverMetadata.getFieldParams(i));
        }


        String[] pks = driverMetadata.getPrimaryKeys();
        if (pks.length == 0) {
            throw new DriverException("No primary key specified");
        } else {
            sql += ", PRIMARY KEY(" + pks[0];
            for (int i = 1; i < pks.length; i++) {
                sql += ", " + pks[i];
            }
            sql += ")";
        }
        
        sql += ")";


        try {
            Statement st = c.createStatement();
            st.execute(sql);
            st.close();
        } catch (SQLException e) {
            throw new DriverException(e.getMessage() + ":" + sql, e);
        }
    }

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    public boolean isReadOnly(int fieldId) throws DriverException {
        try {
            return resultSet.getMetaData().isReadOnly(fieldId + 1);
        } catch (SQLException e) {
            throw new DriverException(e);
        }
    }

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     */
    public void open(Connection con, String tableName, String orderFieldName) throws DriverException {
        try {
            jdbcSupport = JDBCSupport.newJDBCSupport(con, tableName, orderFieldName);
        } catch (SQLException e) {
            throw new DriverException(e);
        }
    }

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     */
    public void close() throws DriverException {
        try {
            jdbcSupport.close();
        } catch (SQLException e) {
            throw new DriverException(e);
        }
    }

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    public void redo() throws DriverException {
        try {
            dataSource.setFieldValue(index, fieldIndex, newValue);
        } catch (DriverException e) {
            throw new DriverException(e);
        }
    }

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    public void undo() throws DriverException {
        try {
            dataSource.undoSet(index, fieldIndex, oldValue);
        } catch (DriverException e) {
            throw new DriverException(e);
        }
    }

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