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@bxjs/base

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bxjs base framework & api

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"use strict"; var __extends = (this && this.__extends) || (function () { var extendStatics = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; }; return function (d, b) { extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; })(); var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) { return new (P || (P = Promise))(function (resolve, reject) { function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } } function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } } function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); } step((generator = generator.apply(thisArg, _arguments || [])).next()); }); }; var __generator = (this && this.__generator) || function (thisArg, body) { var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g; return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g; function verb(n) { return function (v) { return step([n, v]); }; } function step(op) { if (f) throw new TypeError("Generator is already executing."); while (_) try { if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t; if (y = 0, t) op = [op[0] & 2, t.value]; switch (op[0]) { case 0: case 1: t = op; break; case 4: _.label++; return { value: op[1], done: false }; case 5: _.label++; y = op[1]; op = [0]; continue; case 7: op = _.ops.pop(); _.trys.pop(); continue; default: if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; } if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; } if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; } if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; } if (t[2]) _.ops.pop(); _.trys.pop(); continue; } op = body.call(thisArg, _); } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; } if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true }; } }; Object.defineProperty(exports, "__esModule", { value: true }); /** * 研究阿里云的OTS表格设计将session、cache、user三种缓存信息算法构建在此之上。 */ var TableStore = require('tablestore'); var Long = TableStore.Long; var _ = require('lodash'); var NoSqlInterface = /** @class */ (function () { function NoSqlInterface(table, config) { if (config === void 0) { config = 'default'; } } return NoSqlInterface; }()); // export async function test() { // const ots = new NoSqlAliyunTablestore('session_test3') // // let out = await ots.create(60) // // FIXME 首次创建表需要有一定的系统延迟时间,需要放到install过程中进行维护。 // // let out = await ots.insert('x', {a: 'aaa', b: {value: 'bbbb', timestamp: Date.now()}}) // // let out = await ots.update('x', {a: 'aaa2', b: 'bbb2'}) // // let out = await ots.update('x', {a: null, b: 1529666053100}) // // let out = await ots.delete('x') // // let out // // out = await ots.insert('x', {a: 'aaa', b: {value: 'bbbb', timestamp: Date.now()}}) // // out = await ots.query('x') // 取全部的字段 // // out = await ots.query('x', ['a']) // 取部分字段 // // out = await ots.query('y') // 取不存在的主键 // // // out = await ots.create(24*60*60,2) // // out = await ots.insert('z', {a: 'aaa'+Date(), b: {value: 'bbbb'+Date(), timestamp: Date.now()}}) // // out = await ots.update('z', {a: 'aaa'+Date(), b: 'bbbb'+Date()}) // // out = await ots.query('z', null, 2) // out = await ots.query('z', null, 1) // // 用最佳方案去实现字段 // return out // } // 对于阿里云tablestore的单表功能简单封装处理(一个主键并作为分区唯一区分一个记录,仅用于缓存功能实现。 // 封装特点:每个记录一条主键并作为分区,每个记录有无数个kv值可供配置,每个kv值都有一个时间戳超时时间在表上单独配置。) var NoSqlAliyunTablestore = /** @class */ (function (_super) { __extends(NoSqlAliyunTablestore, _super); function NoSqlAliyunTablestore(table, config) { if (config === void 0) { config = 'default'; } var _this = _super.call(this, table, config) || this; var instances = xconfig('plugins.nosql'); xassert(instances && _.isPlainObject(instances) && config in instances, ERR$CONFIG, { instances: instances }); _this._table = table; _this._schema = { KEYS: { id: 'string' // 表的唯一记录主键值同时也是分区 } }; _this._client = new TableStore.Client({ accessKeyId: instances[config].OTS_ACCESS_KEY_ID, secretAccessKey: instances[config].OTS_SECRETE_ACCESS_KEY, endpoint: instances[config].OTS_ENDPOINT, instancename: instances[config].OTS_INSTANCENAME }); return _this; } Object.defineProperty(NoSqlAliyunTablestore.prototype, "table", { set: function (value) { this._table = value; }, enumerable: true, configurable: true }); // 约定所有表都需要有自增主键id作为内部唯一标识码,其余三个主键必须全部为字符串。(后端需要扩展int和date基本数据类型以及操作符重载实现优化开发) // 属性字段可以根据业务演变任意的扩展增加由业务代码对于老数据不存在新增字段值的情况做兼容处理 NoSqlAliyunTablestore.prototype.insert = function (id, kvt) { return __awaiter(this, void 0, void 0, function () { var _a, _b, __this__, params, k; return __generator(this, function (_c) { xassert(Object.keys(kvt).length <= 128); // 规避跨行限制总计属性128个 __this__ = this; params = { tableName: this._table, // 插入的时候需要确保不存在对应的数据以防止出错 condition: new TableStore.Condition(TableStore.RowExistenceExpectation.EXPECT_NOT_EXIST, null), primaryKey: [], attributeColumns: [], // 按照下面数据格式进行schema定义的验证以及数据类型转换 // primaryKey: [{'gid': Long.fromNumber(20013)}, {'uid': Long.fromNumber(20013)}], // attributeColumns: [ // {'col1': '表格存储'}, // {'col2': '2', 'timestamp': currentTimeStamp}, // 允许修改时间戳乐观锁功能实现暂不支持 // {'col3': 3.1}, // {'col4': -0.32}, // {'col5': Long.fromNumber(123456789)} // ], // primaryKey: [ // {'short_id': 'pk1'}, // {[AUTO_KEY_NAME]: TableStore.PK_AUTO_INCR} // ], // attributeColumns: [ // {'appcode': 'app1'} // ], returnContent: { returnType: TableStore.ReturnType.Primarykey } }; // 拼接主键以及属性字段值 params.primaryKey = [{ 'id': id }]; for (k in kvt) { xassert(k != 'id' && k != 'timestamp'); // 两个预留内部标识符不可作为属性名 if (_.isString(kvt[k])) { params.attributeColumns.push((_a = {}, _a[k] = kvt[k], _a)); } else { params.attributeColumns.push((_b = {}, _b[k] = kvt[k]['value'], _b.timestamp = kvt[k]['timestamp'], _b)); } } return [2 /*return*/, new Promise(function (resolve, reject) { try { __this__._client.putRow(params, function (err, out) { if (err) { xthrow(new Error(err), reject, { params: params, out: out }); return; } // 正常返回的数据格式 //{"consumed":{"capacity_unit":{"read":0,"write":1}},"row":{ // "primaryKey":[{"name":"short_id","value":"abcd"},{"name":"id","value":1520765502347000}], // "attributes":[]}, // "RequestId":"00056720-cf8d-d4a8-8ae8-970a17894ce6"} resolve(out); }); } catch (err) { xthrow(err, reject); } })]; }); }); }; NoSqlAliyunTablestore.prototype.update = function (id, kvt) { return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, this._update_or_replace(id, kvt, false)]; case 1: return [2 /*return*/, _a.sent()]; } }); }); }; NoSqlAliyunTablestore.prototype.replace = function (id, kvt) { return __awaiter(this, void 0, void 0, function () { return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, this._update_or_replace(id, kvt, true)]; case 1: return [2 /*return*/, _a.sent()]; } }); }); }; // 条件更新必须要填写主键记录值(仅仅允许更新属性字段而主键字段是不允许更新的, // 整列更新和删除列属于运维操作禁止应用中使用需要单独接口以及权限认证) NoSqlAliyunTablestore.prototype._update_or_replace = function (id, kvt, isIgnoreRowNonExist) { if (isIgnoreRowNonExist === void 0) { isIgnoreRowNonExist = false; } return __awaiter(this, void 0, void 0, function () { var _a, _b, __this__, params, PUT, DELETE, DELETE_ALL, k; return __generator(this, function (_c) { xassert(Object.keys(kvt).length > 0 && Object.keys(kvt).length <= 128); // 规避跨行限制总计属性128个 __this__ = this; console.log('整行更新table:', this._table); console.log('更新的字段:', JSON.stringify(kvt)); params = { tableName: this._table, condition: new TableStore.Condition(isIgnoreRowNonExist ? TableStore.RowExistenceExpectation.IGNORE : TableStore.RowExistenceExpectation.EXPECT_EXIST, null), primaryKey: [{ id: id }], // updateOfAttributeColumns: [{'PUT': [{'col1': 'test6'}]}] updateOfAttributeColumns: [] // updateOfAttributeColumns: [ // { 'PUT': [{ 'col4': Long.fromNumber(4) }, { 'col5': '5' }, { 'col6': Long.fromNumber(6) }] }, // { 'DELETE': [{ 'col1': Long.fromNumber(1496826473186) }] }, // 删除指定时间戳版本数据 // { 'DELETE_ALL': ['col2'] } // 删除所有版本的字段数据 // ] }; PUT = []; DELETE = []; DELETE_ALL = []; for (k in kvt) { // 如果变量值为null类型则表示删除对应的字段值,如果为整数表示删除指定时间戳版本,否则表示添加或更新对应字段值。 if (!kvt[k]) { DELETE_ALL.push(k); } else if (_.isInteger(kvt[k])) { DELETE.push((_a = {}, _a[k] = Long.fromNumber(kvt[k]), _a)); } else if (_.isString(kvt[k])) { PUT.push((_b = {}, _b[k] = kvt[k], _b)); } else { xassert(false, ERR$PARAM, { id: id, kvt: kvt }); } } if (PUT.length > 0) params.updateOfAttributeColumns.push({ PUT: PUT }); if (DELETE.length > 0) params.updateOfAttributeColumns.push({ DELETE: DELETE }); if (DELETE_ALL.length > 0) params.updateOfAttributeColumns.push({ DELETE_ALL: DELETE_ALL }); return [2 /*return*/, new Promise(function (resolve, reject) { try { console.log('更新数据记录:', JSON.stringify(params)); __this__._client.updateRow(params, function (err, data) { console.log('更新的结果或返回值:', JSON.stringify(err)); console.log('更新的结果或返回值1:', JSON.stringify(data)); if (err) { xthrow(new Error(err), reject, { params: params, data: data }); return; } resolve(); }); } catch (err) { xthrow(err, reject); } })]; }); }); }; // 以主键作为条件删除记录值 NoSqlAliyunTablestore.prototype.delete = function (id) { return __awaiter(this, void 0, void 0, function () { var __this__, params; return __generator(this, function (_a) { __this__ = this; console.log('删除指定的表:', this._table); params = { tableName: this._table, condition: new TableStore.Condition(TableStore.RowExistenceExpectation.IGNORE, null), // primaryKey: [{ 'gid': Long.fromNumber(8) }, { 'uid': Long.fromNumber(80) }] primaryKey: [{ id: id }] }; return [2 /*return*/, new Promise(function (resolve, reject) { try { __this__._client.deleteRow(params, function (err, data) { if (err) { xthrow(new Error(err), reject, { params: params, data: data }); return; } resolve(); }); } catch (err) { xthrow(err, reject); } })]; }); }); }; // 范围查询需要数据自动同步到opensearch进行索引同步后进行各种复杂的查询操作实现免运维系统的实现 // 单表逻辑条件的简单and与equal的查询,返回满足条件的第一条记录 (合并为一个查询兼容mongodb的查询扩展) NoSqlAliyunTablestore.prototype.query = function (id, keys, max_version) { if (keys === void 0) { keys = null; } if (max_version === void 0) { max_version = 1; } return __awaiter(this, void 0, void 0, function () { var __this__, params; return __generator(this, function (_a) { __this__ = this; params = { tableName: this._table, columnsToGet: keys, // columns_to_get 获取期望的列最多128个一次获取总数,应用上应该将KEY视为分组总数。 // 如何规避宽表的分页限制?? FIXME 先从应用上规避限制一个应用最多不超过128个属性,通过JSON进行扩展存储。 primaryKey: [{ id: id }], // primaryKey: [{'gid': Long.fromNumber(20013)}, {'uid': Long.fromNumber(20013)}], columnFilter: null, maxVersions: max_version, }; return [2 /*return*/, new Promise(function (resolve, reject) { __this__._client.getRow(params, function (err, data) { if (err) { xthrow(new Error(err), reject, { params: params, data: data }); return; } // 返回数据格式类型进行转换处理 // {"consumed":{"capacity_unit":{"read":1,"write":0}}, // "row":{"primaryKey":[{"name":"gid","value":20013},{"name":"uid","value":20013}], // "attributes":[{"columnName":"col1","columnValue":"表格存储","timestamp":1520734520286}, // {"columnName":"col2","columnValue":"2","timestamp":1520734520064}, // {"columnName":"col3","columnValue":3.1,"timestamp":1520734520286}, // {"columnName":"col4","columnValue":-0.32,"timestamp":1520734520286}, // {"columnName":"col5","columnValue":123456789,"timestamp":1520734520286}] // }, // "next_token":null,"RequestId":"00056719-e2ad-73b1-dbd8-970a19522f4b"} // 将数据结果进行转换处理合并为一个普通对象给应用使用 try { var out = {}; if (!data.row) { return resolve(null); } if (data.row.primaryKey) { for (var k in data.row.primaryKey) { out[data.row.primaryKey[k].name] = data.row.primaryKey[k].value; } } if (data.row.attributes) { for (var k in data.row.attributes) { out[data.row.attributes[k].columnName] = data.row.attributes[k].columnValue; } } // xlog(data) // TODO 当存在多个版本数据的时候解析不正确,应该是多个版本的属性值字段的组合才正确。 resolve(_.isEmpty(out) ? null : out); } catch (err) { xthrow(new Error(err), reject, { params: params, data: data }); return; } }); })]; }); }); }; // 销毁表 NoSqlAliyunTablestore.prototype.destroy = function () { return __awaiter(this, void 0, void 0, function () { var err_1, i, out, err_2; return __generator(this, function (_a) { switch (_a.label) { case 0: _a.trys.push([0, 2, , 3]); return [4 /*yield*/, this._destroy()]; case 1: _a.sent(); return [3 /*break*/, 3]; case 2: err_1 = _a.sent(); return [2 /*return*/]; case 3: i = 0; _a.label = 4; case 4: if (!(i < 100)) return [3 /*break*/, 9]; _a.label = 5; case 5: _a.trys.push([5, 6, , 8]); out = this.describe(); xlog(out); return [3 /*break*/, 8]; case 6: err_2 = _a.sent(); return [4 /*yield*/, xsleep(100)]; case 7: _a.sent(); return [3 /*break*/, 9]; case 8: i++; return [3 /*break*/, 4]; case 9: return [2 /*return*/]; } }); }); }; NoSqlAliyunTablestore.prototype._destroy = function () { return __awaiter(this, void 0, void 0, function () { var __this__, params; return __generator(this, function (_a) { __this__ = this; params = { tableName: this._table }; return [2 /*return*/, new Promise(function (resolve, reject) { __this__._client.deleteTable(params, function (err, data) { if (err) { xthrow(new Error(err), reject, { params: params }); return; } resolve(); }); })]; }); }); }; // 创建表 NoSqlAliyunTablestore.prototype.create = function (timeout, max_versions) { if (timeout === void 0) { timeout = -1; } if (max_versions === void 0) { max_versions = 1; } return __awaiter(this, void 0, void 0, function () { var i, out, err_3; return __generator(this, function (_a) { switch (_a.label) { case 0: return [4 /*yield*/, this._create(timeout, max_versions) // 10秒钟等待超时创建表正常完成 ]; case 1: _a.sent(); i = 0; _a.label = 2; case 2: if (!(i < 100)) return [3 /*break*/, 8]; _a.label = 3; case 3: _a.trys.push([3, 4, , 6]); out = this.describe(); xlog(out); return [3 /*break*/, 6]; case 4: err_3 = _a.sent(); return [4 /*yield*/, xsleep(100)]; case 5: _a.sent(); return [3 /*break*/, 7]; case 6: return [3 /*break*/, 8]; case 7: i++; return [3 /*break*/, 2]; case 8: return [2 /*return*/]; } }); }); }; NoSqlAliyunTablestore.prototype._create = function (timeout, max_versions) { if (timeout === void 0) { timeout = -1; } if (max_versions === void 0) { max_versions = 1; } return __awaiter(this, void 0, void 0, function () { var __this__, params, k, obj, out; return __generator(this, function (_a) { switch (_a.label) { case 0: // OTS最长超时时间为1天的兼容处理 if (timeout != -1 && timeout < 86400) { timeout = 86400; } __this__ = this; params = { tableMeta: { tableName: this._table, primaryKey: [], }, reservedThroughput: { capacityUnit: { read: 0, write: 0 } }, tableOptions: { timeToLive: timeout, maxVersions: max_versions, } }; // 自动转换schema定义为OTS的数据结构 for (k in this._schema.KEYS) { obj = { name: k, type: _.upperCase(this._schema.KEYS[k]) }; // if (k == AUTO_KEY_NAME) { // obj['option'] = 'AUTO_INCREMENT' // } params.tableMeta.primaryKey.push(obj); } return [4 /*yield*/, new Promise(function (resolve, reject) { __this__._client.createTable(params, function (err, data) { if (err) { xthrow(new Error(err), reject, { params: params, data: data }); return; } resolve(); }); }) // FIXME 表创建后有一定的延时时间才能生效,需要维持一定的等待时间确保正常执行完成。 // TODO 延时算法自动完成时间戳的处理。 ]; case 1: out = _a.sent(); // FIXME 表创建后有一定的延时时间才能生效,需要维持一定的等待时间确保正常执行完成。 // TODO 延时算法自动完成时间戳的处理。 return [2 /*return*/, out]; } }); }); }; // 查询当前表的描述信息 NoSqlAliyunTablestore.prototype.describe = function () { return __awaiter(this, void 0, void 0, function () { var __this__, params; return __generator(this, function (_a) { __this__ = this; params = { tableName: this._table }; return [2 /*return*/, new Promise(function (resolve, reject) { __this__._client.describeTable(params, function (err, data) { if (err) { xthrow(new Error(err), reject, { params: params }); return; } resolve(data); }); })]; }); }); }; // 表配置信息的更新处理(时间戳以及版本号) NoSqlAliyunTablestore.prototype.change = function (param) { return __awaiter(this, void 0, void 0, function () { var __this__, params; return __generator(this, function (_a) { __this__ = this; params = { tableName: this._table, tableOptions: { // 保存的最大版本数, 设置为1即代表每列上最多保存一个版本(保存最新的版本). maxVersions: param.maxVersions ? param.maxVersions : 1, // 数据的过期时间, 单位秒, -1代表永不过期. 假如设置过期时间为一年, 即为 365 * 24 * 3600 timeToLive: param.timeoutSeconds ? param.timeoutSeconds : -1, }, reservedThroughput: { capacityUnit: { // 为了提升并发度确保预留最小读写数量的配置避免服务共享可能产生的资源竞争不稳定问题 read: param.reservedThroughputRead ? param.reservedThroughputRead : 0, write: param.reservedThroughputWrite ? param.reservedThroughputWrite : 0, } }, }; return [2 /*return*/, new Promise(function (resolve, reject) { __this__._client.updateTable(params, function (err, data) { if (err) { xthrow(new Error(err), reject, { params: params }); return; } resolve(data); }); })]; }); }); }; // 重置表 NoSqlAliyunTablestore.prototype.reset = function () { return __awaiter(this, void 0, void 0, function () { var err_4; return __generator(this, function (_a) { switch (_a.label) { case 0: _a.trys.push([0, 2, , 3]); return [4 /*yield*/, this.destroy()]; case 1: _a.sent(); return [3 /*break*/, 3]; case 2: err_4 = _a.sent(); return [3 /*break*/, 3]; case 3: return [4 /*yield*/, this.create()]; case 4: _a.sent(); return [2 /*return*/]; } }); }); }; return NoSqlAliyunTablestore; }(NoSqlInterface)); exports.NoSqlAliyunTablestore = NoSqlAliyunTablestore; //# 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* 研究阿里云的OTS表格设计将session、cache、user三种缓存信息算法构建在此之上。\n */\nconst TableStore = require('tablestore')\nconst Long = TableStore.Long\nconst _ = require('lodash')\n\nabstract class NoSqlInterface {\n    constructor(table: string, config: string | {}[] = 'default') {\n    }\n\n    // 约定所有表都需要有自增主键id作为内部唯一标识码，其余三个主键必须全部为字符串。（后端需要扩展int和date基本数据类型以及操作符重载实现优化开发）\n    // 属性字段可以根据业务演变任意的扩展增加由业务代码对于老数据不存在新增字段值的情况做兼容处理\n    public abstract async insert(id, kvt: { [index: string]: string | { value: string, timestamp: number } }) ;\n\n    // 条件更新必须要填写主键记录值(仅仅允许更新属性字段而主键字段是不允许更新的，\n    //      整列更新和删除列属于运维操作禁止应用中使用需要单独接口以及权限认证)\n    public abstract async update(id: string, kvt: { [index: string]: string | null | number }) ;\n\n    // 以主键作为条件删除记录值\n    public abstract async delete(id: string);\n\n    // 分页查询一次检索N条记录\n    public abstract async query(id: string, keys: string[] | null, max_version: number): Promise<any>;\n\n    // 销毁表\n    public abstract async destroy();\n\n    // 创建表\n    public abstract async create();\n\n    // 查询当前表的描述信息\n    public abstract async describe();\n\n    // 变更表\n    public abstract async change(param: {\n        maxVersions?: number, timeoutSeconds: number,\n        reservedThroughputRead?: number, reservedThroughputWrite?: number\n    });\n\n    // 重置表\n    public abstract async reset();\n}\n\n// export async function test() {\n//     const ots = new NoSqlAliyunTablestore('session_test3')\n//     // let out = await ots.create(60)\n//     // FIXME 首次创建表需要有一定的系统延迟时间，需要放到install过程中进行维护。\n//     // let out = await ots.insert('x', {a: 'aaa', b: {value: 'bbbb', timestamp: Date.now()}})\n//     // let out = await ots.update('x', {a: 'aaa2', b: 'bbb2'})\n//     // let out = await ots.update('x', {a: null, b: 1529666053100})\n//     // let out = await ots.delete('x')\n//\n//     let out\n//     // out = await ots.insert('x', {a: 'aaa', b: {value: 'bbbb', timestamp: Date.now()}})\n//     // out = await ots.query('x')  // 取全部的字段\n//     // out = await ots.query('x', ['a'])  // 取部分字段\n//     // out = await ots.query('y')  // 取不存在的主键\n//\n//     // out = await ots.create(24*60*60,2)\n//     // out = await ots.insert('z', {a: 'aaa'+Date(), b: {value: 'bbbb'+Date(), timestamp: Date.now()}})\n//     // out = await ots.update('z', {a: 'aaa'+Date(), b: 'bbbb'+Date()})\n//     // out = await ots.query('z', null, 2)\n//     out = await ots.query('z', null, 1)\n//     // 用最佳方案去实现字段\n//     return out\n// }\n\n// 对于阿里云tablestore的单表功能简单封装处理（一个主键并作为分区唯一区分一个记录，仅用于缓存功能实现。\n// 封装特点：每个记录一条主键并作为分区，每个记录有无数个kv值可供配置，每个kv值都有一个时间戳超时时间在表上单独配置。）\nexport class NoSqlAliyunTablestore extends NoSqlInterface {\n    private _table: string\n    private _client: any\n    private _schema: any\n\n    set table(value) {\n        this._table = value\n    }\n\n    constructor(table: string, config: string = 'default') {\n        super(table, config)\n 