iagate-querykit/dist/adapters/mysql.js

QueryKit: lightweight TypeScript query toolkit with models, views, triggers, events, scheduler and adapters (better-sqlite3).

import { createRequire } from 'node:module';
let mysql;
function ensureMysql() {
    if (mysql)
        return;
    const mocked = globalThis.__vitest_mocks__?.mysql2;
    if (mocked) {
        mysql = mocked;
        return;
    }
    try {
        const req = createRequire(import.meta.url);
        mysql = req('mysql2/promise');
    }
    catch {
        throw new Error('mysql2 is required: npm install mysql2');
    }
}
function convertPlaceholders(sql) { return sql; }
export class MysqlExecutor {
    config;
    dialect = 'mysql';
    pool;
    constructor(config) {
        this.config = config;
        ensureMysql();
        this.pool = mysql.createPool({
            host: config.host || '127.0.0.1',
            port: config.port || 3306,
            user: config.user,
            password: config.password,
            database: config.database,
            connectionLimit: config.connectionLimit || 10,
            decimalNumbers: true,
            namedPlaceholders: false,
        });
    }
    async executeQuery(sql, bindings = []) {
        const conv = convertPlaceholders(sql);
        const [rows, info] = await this.pool.execute(conv, bindings);
        if (/^\s*select/i.test(conv)) {
            return { data: rows };
        }
        return [rows, info];
    }
}