iagate-querykit/dist/adapters/postgresql.js

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

import { createRequire } from 'node:module';
let pg;
function ensurePg() {
    if (pg)
        return;
    const mocked = globalThis.__vitest_mocks__?.pg;
    if (mocked) {
        pg = mocked;
        return;
    }
    try {
        const req = createRequire(import.meta.url);
        pg = req('pg');
    }
    catch {
        throw new Error('pg is required: npm install pg');
    }
}
function toPgParams(sql) {
    let index = 0;
    const out = sql.replace(/\?/g, () => `$${++index}`);
    return { sql: out };
}
export class PostgresExecutor {
    config;
    dialect = 'postgres';
    pool;
    constructor(config = {}) {
        this.config = config;
        ensurePg();
        const { Pool } = pg;
        this.pool = new Pool({
            connectionString: config.connectionString,
            host: config.host,
            port: config.port,
            user: config.user,
            password: config.password,
            database: config.database,
            ssl: config.ssl,
            max: config.poolSize || 10,
        });
    }
    async executeQuery(sql, bindings = []) {
        const { sql: text } = toPgParams(sql);
        const res = await this.pool.query({ text, values: bindings });
        return { data: res.rows, affectedRows: res.rowCount };
    }
}