lia-mysql/dist/installer/mysql.js

JavaScript library of data standards.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.MysqlInstaller = void 0;
const base_1 = require("./base");
const mysql2_1 = require("mysql2");
const lang_1 = require("../lang");
class MysqlInstaller extends base_1.BaseInstaller {
    /**
     *
     * @param configs
     * @param target mysql
     * @param debug debug model
     */
    constructor(configs, target, debug = false) {
        target = target ? target : global;
        if (!target.__SQL_CACHE) {
            target.__SQL_CACHE = {};
        }
        if (!target.SQLS) {
            target.SQLS = {};
        }
        let mul = !(configs instanceof lang_1.Config);
        if (mul) {
            if (configs.uri || configs.host) {
                mul = false;
            }
        }
        super('MYSQL', target, debug, mul);
        this.configs = configs;
    }
    async load() {
        await super.load();
        return this;
    }
    async install() {
        if (this.multiple) {
            for (const key in this.configs) {
                await this.createClient(this.configs[key], key);
            }
        }
        else {
            await this.createClient(this.configs, 'default');
        }
    }
    querySql(connect, sql, params) {
        return new Promise((resolve, reject) => {
            connect.query(sql, params, (error, result) => {
                if (error) {
                    reject(error);
                }
                else {
                    resolve(result);
                }
            });
        });
    }
    /**
     * @private
     * @param name
     */
    _matchName(name) {
        return name.toUpperCase();
    }
    createClient(options, name) {
        name = this._matchName(name);
        const id = this.randomStr();
        const config = options;
        // eslint-disable-next-line @typescript-eslint/no-this-alias
        const _this = this;
        return new Promise((resolve, reject) => {
            // 使用连接池，提升性能
            let pool1 = (0, mysql2_1.createPool)(config);
            // const pool = pool1.promise();
            pool1.on('acquire', (connection) => {
                _this.logSys(`client[ ${id} ]: acquire`);
            });
            pool1.on('connection', (connection) => {
                _this.logSys(`client[ ${id} ]: connection`);
            });
            pool1.on('enqueue', () => {
                _this.logSys(`client[ ${id} ]: enqueue`);
            });
            pool1.on('release', (connection) => {
                _this.logSys(`client[ ${id} ]: release`);
            });
            let client = new lang_1.Client(pool1);
            if (name === 'DEFAULT') {
                _this._target.SQL = client;
            }
            _this._target.SQLS[name] = client;
            resolve(client);
        });
    }
}
exports.MysqlInstaller = MysqlInstaller;
//# sourceMappingURL=mysql.js.map