| | |
| | | return result; |
| | | } |
| | | |
| | | public static boolean genTable(Connection connect, String tableName, String tableDesc, List<Map<String, Object>> listColumn, Map<String, String> mapPK, Map<String, String> mapIndex) throws SQLException { |
| | | public static List<String> genTable(String tableName, String tableDesc, List<Map<String, Object>> listColumn, Map<String, String> mapPK, Map<String, String> mapIndex) { |
| | | List<String> list = new ArrayList<>(); |
| | | |
| | | String sql = "CREATE TABLE \"public\".\"" + tableName + "\" (\n"; |
| | | |
| | | Map<String, String> mapColumnDesc = new HashMap<>(); |
| | | int idx = 0; |
| | | boolean result = Boolean.FALSE; |
| | | |
| | | result = GenCodeGauss.execSql(connect, "DROP TABLE IF EXISTS \"public\".\"" + tableName + "\";\n"); |
| | | list.add("-- \"" + tableName + "\" - \"" + tableDesc + "\"\nDROP TABLE IF EXISTS \"public\".\"" + tableName + "\";\n"); |
| | | |
| | | // 遍历列,构建sql |
| | | for (Map<String, Object> column : listColumn) { |
| | | idx++; |
| | | String name = column.get("name").toString(); |
| | | String type = column.get("type").toString(); |
| | | String desc = column.get("description").toString(); |
| | | String isNullable = column.get("isNullable").toString(); |
| | | Object desc = column.get("description"); |
| | | Object isNullable = column.get("isNullable"); |
| | | |
| | | mapColumnDesc.put(name, desc); |
| | | mapColumnDesc.put(name, ParameterUtil.dealNullStr(desc)); |
| | | |
| | | sql += "\t\"" + name + "\" " + GenCodeGauss.mysqlType2Gauss(type); |
| | | switch (type) { |
| | |
| | | } |
| | | sql += ")\n" + |
| | | ";\n"; |
| | | result = GenCodeGauss.execSql(connect, sql); |
| | | list.add(sql); |
| | | sql = ""; |
| | | |
| | | sql += "COMMENT ON TABLE \"public\".\"" + tableName + "\" IS '" + tableDesc + "';\n"; |
| | |
| | | for (Map.Entry<String, String> desc : mapColumnDesc.entrySet()) { |
| | | sql += "COMMENT ON COLUMN \"public\".\"" + tableName + "\".\"" + desc.getKey() + "\" IS '" + desc.getValue().replace("\r\n", " ").replace("\n", " ") + "';\n"; |
| | | } |
| | | result = GenCodeGauss.execSql(connect, sql); |
| | | list.add("-- 字段描述\n" + sql); |
| | | sql = ""; |
| | | |
| | | // 设置主键 |
| | |
| | | } |
| | | } |
| | | sql += "ALTER TABLE \"public\".\"" + tableName + "\" ADD CONSTRAINT \"PK_" + tableName + "\" PRIMARY KEY (\"id\");\n"; |
| | | result = GenCodeGauss.execSql(connect, sql); |
| | | list.add("-- 设置主键\n" + sql); |
| | | sql = ""; |
| | | |
| | | // 触发器:自动赋值最后更新时间 |
| | | sql += "CREATE TRIGGER \"TG_" + tableName + "\" BEFORE INSERT OR UPDATE ON \"public\".\"" + tableName + "\"\n" + |
| | | "FOR EACH ROW\n" + |
| | | "EXECUTE PROCEDURE \"public\".\"update_timestamp_column\"();"; |
| | | result = GenCodeGauss.execSql(connect, sql); |
| | | list.add("-- 触发器:自动赋值最后更新时间\n" + sql); |
| | | sql = ""; |
| | | |
| | | list.add("-- 创建索引\n"); |
| | | // 遍历索引,构建sql |
| | | for (Map.Entry<String, String> index : mapIndex.entrySet()) { |
| | | if (!mapPK.containsKey(index.getKey())) { |
| | | sql += "CREATE INDEX \"" + index.getKey() + "\" ON \"public\".\"test_info\"(\"" + index.getValue() + "\");\n"; |
| | | result = GenCodeGauss.execSql(connect, sql); |
| | | list.add(sql); |
| | | sql = ""; |
| | | } |
| | | } |
| | | return result; |
| | | return list; |
| | | } |
| | | |
| | | private static String mysqlType2Gauss(String type) { |
| | |
| | | return mapPK; |
| | | } |
| | | |
| | | public static List<Map<String, Object>> getListAll(Connection connect, String tableName, String dbSchema) { |
| | | public static List<Map<String, Object>> getListAll(Connection connect, String sql) { |
| | | List<Map<String, Object>> result = new ArrayList<>(); |
| | | String sql = "SELECT * FROM " + dbSchema + "." + tableName; |
| | | try (PreparedStatement pStmt = connect.prepareStatement(sql)) { |
| | | try (ResultSet rs = pStmt.executeQuery()) { |
| | | //获取键名 |
| | |
| | | return result; |
| | | } |
| | | |
| | | public static List<Boolean> insertAll(Connection connect, List<Map<String, Object>> list, String tableName, Integer onceCount) { |
| | | List<Boolean> result = new ArrayList<>(); |
| | | public static List<String> insertAll(List<Map<String, Object>> list, String tableName, Integer onceCount) { |
| | | List<String> result = new ArrayList<>(); |
| | | String insertSql = "INSERT INTO public." + tableName + "(\""; |
| | | List<String> listColumn = new ArrayList<>(); |
| | | for (String column : list.get(0).keySet()) { |
| | |
| | | insertSql += StringUtil.join(listColumn, "\",\"") + "\") VALUES"; |
| | | |
| | | String sql = ""; |
| | | List<Object> listValue = new ArrayList<>(); |
| | | for (int i = 0; i < list.size(); i++) { |
| | | if (StringUtil.isNullOrEmpty(sql)) { |
| | | sql = insertSql; |
| | |
| | | } |
| | | listColValue.add(item.getValue()); |
| | | } |
| | | sql += "\n(" + StringUtil.join(listColValue.stream().map(c -> "?").collect(Collectors.toList())) + "),"; |
| | | listValue.addAll(listColValue); |
| | | sql += "\n(" + StringUtil.join(listColValue.stream().map(GenCodeGauss::getSqlValue).collect(Collectors.toList())) + "),"; |
| | | |
| | | if (i > 0 && i % onceCount == 0) { |
| | | sql = sql.substring(0, sql.length() - 1); |
| | | try (PreparedStatement pStmt = connect.prepareStatement(sql)) { |
| | | for (int j = 0; j < listValue.size(); j++) { |
| | | pStmt.setObject(j + 1, listValue.get(j)); |
| | | } |
| | | listValue = new ArrayList<>(); |
| | | boolean insertList = pStmt.execute(); |
| | | result.add(insertList); |
| | | System.out.println("插入数据" + Math.max(i - onceCount, 0) + " - " + i + ",结果:" + insertList); |
| | | } catch (SQLException e) { |
| | | e.printStackTrace(); |
| | | } |
| | | |
| | | result.add(sql + ";"); |
| | | |
| | | sql = ""; |
| | | } |
| | | } |
| | | if (StringUtil.isNotNullOrEmpty(sql)) { |
| | | sql = sql.substring(0, sql.length() - 1); |
| | | try (PreparedStatement pStmt = connect.prepareStatement(sql)) { |
| | | for (int j = 0; j < listValue.size(); j++) { |
| | | Object value = listValue.get(j); |
| | | if (Objects.equals("", value)) { |
| | | // TODO 神奇的gauss,''会判定为null,如果有非空约束,会插入失败 |
| | | value = " "; |
| | | } |
| | | pStmt.setObject(j + 1, value); |
| | | } |
| | | listValue = new ArrayList<>(); |
| | | boolean insertList = pStmt.execute(); |
| | | result.add(insertList); |
| | | System.out.println("插入数据" + (list.size() - list.size() % onceCount) + " - " + list.size() + ",结果:" + insertList); |
| | | } catch (SQLException e) { |
| | | e.printStackTrace(); |
| | | } |
| | | |
| | | result.add(sql + ";"); |
| | | } |
| | | return result; |
| | | } |
| | | private static String getSqlValue(Object value) { |
| | | if (Objects.isNull(value)) { |
| | | return "null"; |
| | | } |
| | | if (value instanceof String) { |
| | | return "'" + value + "'"; |
| | | } |
| | | if (value instanceof Date) { |
| | | return "'" + LocalDateTimeUtil.toFormatFullString(((Date)value).getTime()) + "'"; |
| | | } |
| | | if (value instanceof LocalDate) { |
| | | return "'" + LocalDateTimeUtil.toFormatString((LocalDate)value) + "'"; |
| | | } |
| | | if (value instanceof LocalDateTime) { |
| | | return "'" + LocalDateTimeUtil.toFormatFullString((LocalDateTime)value) + "'"; |
| | | } |
| | | if (value instanceof Calendar) { |
| | | return "'" + CalendarUtil.toDateTimeMSStr((Calendar)value) + "'"; |
| | | } |
| | | return value.toString(); |
| | | } |
| | | |
| | | public static String getAutoUpdateTimeFunction() { |
| | | return "CREATE OR REPLACE FUNCTION \"public\".\"update_timestamp_column\"()\n" + |
| | | " RETURNS \"pg_catalog\".\"trigger\" AS $BODY$\n" + |
| | | "BEGIN\n" + |
| | | "NEW.update_time := current_timestamp;\n" + |
| | | "RETURN NEW;\n" + |
| | | "END;\n" + |
| | | "$BODY$\n" + |
| | | " LANGUAGE plpgsql VOLATILE\n" + |
| | | " COST 100"; |
| | | } |
| | | |
| | | public static List<String> export(Connection connect, String dbSchema, boolean isData, boolean isAutoUpdateTimeFunc) { |
| | | List<String> listTable = new ArrayList<>(); |
| | | List<String> listData = new ArrayList<>(); |
| | | if (isAutoUpdateTimeFunc) { |
| | | listTable.add(GenCodeGauss.getAutoUpdateTimeFunction()); |
| | | } |
| | | // 获取所有表 |
| | | Map<String, String> tables = GenCodeGauss.getTables(connect, dbSchema); |
| | | // 遍历所有表 |
| | | for (Map.Entry<String, String> table : tables.entrySet()) { |
| | | String tabName = table.getKey(); |
| | | String tabDesc = table.getValue(); |
| | | |
| | | // 获取所有列 |
| | | List<Map<String, Object>> listCol = GenCodeGauss.getColumns(connect, tabName); |
| | | |
| | | Map<String, String> mapPK = GenCodeGauss.getPK(connect, tabName); |
| | | |
| | | Map<String, String> mapIndex = GenCodeGauss.getIndex(connect, tabName); |
| | | |
| | | // 生成表的sql |
| | | List<String> listGenTable = GenCodeGauss.genTable(tabName, tabDesc, listCol, mapPK, mapIndex); |
| | | listTable.addAll(listGenTable); |
| | | |
| | | if (isData) { |
| | | // 获取mysql表所有数据 |
| | | String sqlSelect = "SELECT * FROM " + table.getKey(); |
| | | Integer count = 1; |
| | | Integer pageSize = ConstantFactory.NUM500; |
| | | String orderBy = "id"; |
| | | Object lastId = null; |
| | | while (count > 0) { |
| | | count = 0; |
| | | String sql = sqlSelect + (Objects.isNull(lastId) ? "" : " WHERE " + orderBy + " > " + GenCodeGauss.toDBValue(lastId) + "") + " ORDER BY " + orderBy + " LIMIT " + pageSize; |
| | | List<Map<String, Object>> list = GenCodeGauss.getListAll(connect, sql); |
| | | if (ListUtil.isNullOrEmpty(list)) { |
| | | continue; |
| | | } |
| | | count = list.size(); |
| | | lastId = list.get(list.size() - 1).get(orderBy); |
| | | |
| | | // 批量插入gauss数据库 |
| | | List<String> insertAll = GenCodeGauss.insertAll(list, table.getKey(), ConstantFactory.NUM50); |
| | | listData.add(StringUtil.join(insertAll, "\n")); |
| | | } |
| | | } |
| | | } |
| | | if (ListUtil.isNotNullOrEmpty(listData)) { |
| | | listTable.addAll(listData); |
| | | } |
| | | return listTable; |
| | | } |
| | | } |