lupdo/dist/esm/support/pdo-pool.js

Database Abstraction Layer for Node js

import { Pool as TarnPool } from 'tarn';
export class PdoPool extends TarnPool {
    constructor(poolOptions) {
        const { killResource, killTimeoutMillis, kill, ...tarnOptions } = poolOptions;
        super(tarnOptions);
        this.timeout = null;
        this.killer = kill;
        this.killResource = killResource ?? false;
        this.killTimeoutMillis = killTimeoutMillis ?? 10000;
    }
    async destroy() {
        if (this.killResource) {
            this.timeout = setTimeout(async () => {
                for (const used of this.used) {
                    await this.killer(used.resource);
                    this._executeEventHandlers('kill');
                    this.release(used.resource);
                }
            }, this.killTimeoutMillis);
        }
        const res = await super.destroy();
        if (this.timeout !== null) {
            clearTimeout(this.timeout);
            this.timeout = null;
        }
        return res;
    }
}
export default PdoPool;