Commit with pool

I have a script that is inserting tons of rows inside a mysql table. At the end of the script I do:

1. At the beginning of the script: Create Pool
   this.pool = await mysql.createPool({ host: "xxxx.de", user: "xxx", password: "xxx", database: "xxx" });

2. Add all my entries: Insert each

   const params = [entry.portal, entry.portalId || "", entry.title, entry.company || "", entry.region || "", entry.start || "", entry.duration || "", entry.jobType || "", entry.link, entry.description, entry.crawlTaskId, 'ACTIVE', entry.link];

    const sql = 'INSERT INTO jobs SET portal=?, portalId=?, title=?, company=?, region=?, start=?, duration=?, jobType=?, link=?, description=?, crawlTaskId=?, status=?, linkHash=SHA2(?, 256)';

    try {
        await this.pool.execute(sql, params);
        return true;
    } catch (error) {
        console.log(error);
        return false;
    }

3. At the end of the script

Database.prototype.close = async function(){
    await this.pool.commit();
    await this.pool.close();
}

I get the error

(node:23600) UnhandledPromiseRejectionWarning: TypeError: this.pool.commit is not a function

Can I just remove the commit statement? And does a pool.close() flush all insertions to the database?
I'm a bit scared that if I do no commit some entries will be lost.

Best Regards

The issue mentions mysql.createPool, pool.execute, pool.commit, and pool.close, but no repository files or tests. Start by locating the pool API and transaction documentation, then verify the documented behavior for committing inserts and closing a pool. Done means the supported pool lifecycle and commit behavior are clearly explained for this usage.