Examples with CUBRIDResultSetMetaDataProxy com.cubrid.jdbc.proxy.driver.CUBRIDResultSetMetaDataProxy used on opensource projects

Example 16 with CUBRIDResultSetMetaDataProxy

use of com.cubrid.jdbc.proxy.driver.CUBRIDResultSetMetaDataProxy in project cubrid-manager by CUBRID.

the class ExportToXlsxHandler method exportByQuerying.

public void exportByQuerying(String tableName) throws IOException, SQLException {
    if (StringUtil.isEmpty(tableName)) {
        return;
    }
    long totalRecord = exportConfig.getTotalCount(tableName);
    if (totalRecord == 0) {
        return;
    }
    // 1048576: limit xlsx row number.
    int rowLimit = ImportFileConstants.XLSX_ROW_LIMIT;
    // 16384: limit xlsx column number.
    int columnLimit = ImportFileConstants.XLSX_COLUMN_LIMIT;
    int cellCharacterLimit = ImportFileConstants.XLSX_CELL_CHAR_LIMIT;
    boolean hasNextPage = true;
    long beginIndex = 1;
    String whereCondition = exportConfig.getWhereCondition(tableName);
    XlsxWriterHelper xlsxWriterhelper = new XlsxWriterHelper();
    //create memory workbook
    XSSFWorkbook workbook = new XSSFWorkbook();
    Calendar cal = Calendar.getInstance();
    int datetimeStyleIndex = ((XSSFCellStyle) xlsxWriterhelper.getStyles(workbook).get("datetime")).getIndex();
    int timestampStyleIndex = ((XSSFCellStyle) xlsxWriterhelper.getStyles(workbook).get("timestamp")).getIndex();
    int dateStyleIndex = ((XSSFCellStyle) xlsxWriterhelper.getStyles(workbook).get("date")).getIndex();
    int timeStyleIndex = ((XSSFCellStyle) xlsxWriterhelper.getStyles(workbook).get("time")).getIndex();
    int sheetNum = 0;
    int xssfRowNum = 0;
    File file = new File(exportConfig.getDataFilePath(tableName));
    Map<String, File> fileMap = new HashMap<String, File>();
    XlsxWriterHelper.SpreadsheetWriter sheetWriter = null;
    Connection conn = null;
    CUBRIDPreparedStatementProxy pStmt = null;
    CUBRIDResultSetProxy rs = null;
    boolean isInitedColumnTitle = false;
    List<String> columnTitles = new ArrayList<String>();
    try {
        conn = getConnection();
        String sql = QueryUtil.getSelectSQL(conn, tableName);
        isPaginating = isPagination(whereCondition, sql, whereCondition);
        int exportedCount = 0;
        while (hasNextPage) {
            String executeSQL = null;
            if (isPaginating) {
                long endIndex = beginIndex + RSPAGESIZE;
                executeSQL = getExecuteSQL(sql, beginIndex, endIndex, whereCondition);
                executeSQL = dbInfo.wrapShardQuery(executeSQL);
                beginIndex = endIndex + 1;
            } else {
                executeSQL = getExecuteSQL(sql, whereCondition);
                executeSQL = dbInfo.wrapShardQuery(sql);
                beginIndex = totalRecord + 1;
            }
            pStmt = getStatement(conn, executeSQL, tableName);
            rs = (CUBRIDResultSetProxy) pStmt.executeQuery();
            CUBRIDResultSetMetaDataProxy rsmt = (CUBRIDResultSetMetaDataProxy) rs.getMetaData();
            int colCount = rsmt.getColumnCount();
            if (colCount >= columnLimit && !isConfirmColumnLimit) {
                isConfirmColumnLimit = true;
                Display.getDefault().syncExec(new Runnable() {

                    public void run() {
                        if (!CommonUITool.openConfirmBox(Messages.exportColumnCountOverWarnInfo)) {
                            isExit = true;
                        }
                    }
                });
                if (isExit) {
                    return;
                }
                colCount = columnLimit;
            }
            if (!isInitedColumnTitle) {
                columnTitles = getColumnTitleList(rsmt);
                isInitedColumnTitle = true;
                if (isExit) {
                    return;
                }
                if (sheetWriter != null) {
                    try {
                        XlsxWriterHelper.writeSheetWriter(sheetWriter);
                    } catch (IOException e) {
                        sheetWriter = null;
                        throw e;
                    }
                }
                sheetWriter = createSheetWriter(workbook, xlsxWriterhelper, sheetNum++, fileMap, columnTitles, xssfRowNum);
                if (exportConfig.isFirstRowAsColumnName()) {
                    xssfRowNum++;
                }
            }
            try {
                while (rs.next()) {
                    sheetWriter.insertRow(xssfRowNum);
                    for (int k = 1; k <= colCount; k++) {
                        String colType = rsmt.getColumnTypeName(k);
                        colType = FieldHandlerUtils.amendDataTypeByResult(rs, k, colType);
                        int precision = rsmt.getPrecision(k);
                        setIsHasBigValue(colType, precision);
                        Object cellValue = FieldHandlerUtils.getRsValueForExport(colType, rs, k, exportConfig.getNULLValueTranslation());
                        // We need judge the CLOB/BLOD data by column type
                        if (DataType.DATATYPE_BLOB.equals(colType) || DataType.DATATYPE_CLOB.equals(colType)) {
                            if (DataType.DATATYPE_BLOB.equals(colType)) {
                                String fileName = exportBlobData(tableName, rs, k);
                                String dataCellValue = DataType.NULL_EXPORT_FORMAT;
                                if (StringUtil.isNotEmpty(fileName)) {
                                    dataCellValue = DBAttrTypeFormatter.FILE_URL_PREFIX + tableName + BLOB_FOLDER_POSTFIX + File.separator + fileName;
                                }
                                sheetWriter.createCell(k - 1, dataCellValue);
                            } else {
                                String fileName = exportClobData(tableName, rs, k);
                                String dataCellValue = DataType.NULL_EXPORT_FORMAT;
                                if (StringUtil.isNotEmpty(fileName)) {
                                    dataCellValue = DBAttrTypeFormatter.FILE_URL_PREFIX + tableName + CLOB_FOLDER_POSTFIX + File.separator + fileName;
                                }
                                sheetWriter.createCell(k - 1, dataCellValue);
                            }
                        } else if (cellValue instanceof Long) {
                            sheetWriter.createCell(k - 1, ((Long) cellValue).longValue());
                        } else if (cellValue instanceof Double) {
                            sheetWriter.createCell(k - 1, ((Double) cellValue).doubleValue());
                        } else if (cellValue instanceof Date) {
                            cal.setTime((Date) cellValue);
                            if (DataType.DATATYPE_DATETIME.equals(colType)) {
                                sheetWriter.createCell(k - 1, cal, datetimeStyleIndex);
                            } else if (DataType.DATATYPE_DATE.equals(colType)) {
                                sheetWriter.createCell(k - 1, cal, dateStyleIndex);
                            } else if (DataType.DATATYPE_TIME.equals(colType)) {
                                sheetWriter.createCell(k - 1, cal, timeStyleIndex);
                            } else {
                                sheetWriter.createCell(k - 1, cal, timestampStyleIndex);
                            }
                        } else {
                            String cellStr = cellValue.toString().length() > cellCharacterLimit ? cellValue.toString().substring(0, cellCharacterLimit) : cellValue.toString();
                            sheetWriter.createCell(k - 1, Export.covertXMLString(cellStr));
                        }
                    }
                    sheetWriter.endRow();
                    xssfRowNum++;
                    exportedCount++;
                    if ((xssfRowNum + 1) % rowLimit == 0) {
                        xssfRowNum = 0;
                        if (sheetWriter != null) {
                            try {
                                XlsxWriterHelper.writeSheetWriter(sheetWriter);
                            } catch (IOException e) {
                                sheetWriter = null;
                                throw e;
                            }
                        }
                        sheetWriter = createSheetWriter(workbook, xlsxWriterhelper, sheetNum, fileMap, columnTitles, xssfRowNum);
                        sheetNum++;
                        if (exportConfig.isFirstRowAsColumnName()) {
                            xssfRowNum++;
                        }
                    }
                    if (exportedCount >= COMMIT_LINES) {
                        exportDataEventHandler.handleEvent(new ExportDataSuccessEvent(tableName, exportedCount));
                        exportedCount = 0;
                    }
                    if (stop) {
                        break;
                    }
                }
                exportDataEventHandler.handleEvent(new ExportDataSuccessEvent(tableName, exportedCount));
                exportedCount = 0;
            } catch (Exception e) {
                LOGGER.error("", e);
                exportDataEventHandler.handleEvent(new ExportDataFailedOneTableEvent(tableName));
            } finally {
                QueryUtil.freeQuery(pStmt, rs);
            }
            if (hasNextPage(beginIndex, totalRecord)) {
                hasNextPage = true;
            } else {
                hasNextPage = false;
            }
            System.gc();
        }
    } finally {
        QueryUtil.freeQuery(conn);
        try {
            if (sheetWriter != null) {
                XlsxWriterHelper.writeSheetWriter(sheetWriter);
            }
        } catch (IOException e) {
            sheetWriter = null;
            throw e;
        } finally {
            XlsxWriterHelper.writeWorkbook(workbook, xlsxWriterhelper, fileMap, file);
        }
    }
}

Example 17 with CUBRIDResultSetMetaDataProxy

use of com.cubrid.jdbc.proxy.driver.CUBRIDResultSetMetaDataProxy in project cubrid-manager by CUBRID.

the class GetInfoDataTask method fillColumnData.

/**
	 * fill table column data by rs,all data is saved to allColumnList
	 *
	 * @param rs CUBRIDResultSetProxy
	 * @throws SQLException if failed
	 */
private void fillColumnData(CUBRIDResultSetProxy rs) throws SQLException {
    CUBRIDResultSetMetaDataProxy rsmt = (CUBRIDResultSetMetaDataProxy) rs.getMetaData();
    int cntColumn = rsmt.getColumnCount();
    if (null == allColumnList) {
        return;
    }
    if (doesGetOidInfo) {
        allColumnList.add(0, new ColumnInfo("0", DataType.DATATYPE_OID, DataType.DATATYPE_OID, null, 0, 0));
    }
    for (int i = 1; i <= cntColumn; i++) {
        String columnName = rsmt.getColumnName(i);
        String typeName = rsmt.getColumnTypeName(i) == null ? "" : rsmt.getColumnTypeName(i);
        int scale = rsmt.getScale(i);
        int precision = rsmt.getPrecision(i);
        String elementTypeName = rsmt.getElementTypeName(i) == null ? "" : rsmt.getElementTypeName(i);
        if (typeName.length() == 0) {
            int typeIndex = rsmt.getColumnType(i);
            switch(typeIndex) {
                case Types.BLOB:
                    typeName = DataType.DATATYPE_BLOB;
                    break;
                case Types.CLOB:
                    typeName = DataType.DATATYPE_CLOB;
                    break;
                default:
                    typeName = "";
            }
        }
        ColumnInfo colInfo = new ColumnInfo(i + "", columnName, typeName.toUpperCase(Locale.getDefault()), elementTypeName.toUpperCase(Locale.getDefault()), precision, scale);
        allColumnList.add(colInfo);
    }
}