如何向服务器发送大量数据库请求

import psycopg2
from psycopg2 import pool

try:
    postgreSQL_pool = psycopg2.pool.SimpleConnectionPool(1, 20, user="user", password="password", host="host", port="port", database="database")
    if (postgreSQL_pool):
        print("Connection pool created successfully")
except (Exception, psycopg2.DatabaseError) as error:
    print(f"Error while connecting to PostgreSQL {error}")

import psycopg2

def execute_batch(conn, sql, records):
    try:
        with conn.cursor() as cur:
            psycopg2.extras.execute_batch(cur, sql, records)
        conn.commit()
    except Exception as e:
        print(f"Batch execution failed: {e}")

# Example usage
conn = psycopg2.connect(database="yourdb", user="youruser", password="yourpass", host="yourhost", port="yourport")
sql = "INSERT INTO yourtable (column1, column2) VALUES (%s, %s)"
records = [("value1", "value2"), ("value3", "value4")]
execute_batch(conn, sql, records)

import asyncio
import aiosqlite

async def fetch_data(db_name, query):
    async with aiosqlite.connect(db_name) as db:
        cursor = await db.execute(query)
        return await cursor.fetchall()

async def main():
    tasks = [fetch_data('example.db', 'SELECT * FROM table') for _ in range(10)]
    results = await asyncio.gather(*tasks)
    print(results)

asyncio.run(main())