peewee创建连接前的前置操作wireshark抓包实现

目录

• 抓包
• 对应用户sql
• Request Query 究竟是啥呢？

抓包

from core.mysql.models import ParseMonitoringDetail
from peewee import fn
from loguru import logger
group_by_parser_name: bool = True
group_by_error_class_name: bool = True
group_by_track_source_id: bool = True
query = (ParseMonitoringDetail
       编程  .select(
             ParseMonitoringDetail.parser_name,
             ParseMonitoringDetail.error_class_name,
             ParseMonitoringDetail.track_source_id,
             fn.COUNT("*").alias('task_count')
         )
         .where(ParseMonitoringDehttp://www.devze.comtail.success == False)
         .order_by(fn.COUNT("*").alias('task_count').desc()))
if group_by_parser_name:
    query = query.group_by(
        ParseMonitoringDetail.parser_name,
    )
if group_by_error_class_name:
    query = query.group_by(
        ParseMonitoringDetail.error_class_name,
    )
if group_by_track_source_id:
    query = query.group_by(
        ParseMonitoringDetail.track_source_id
    )
logger.debug(f'sql: {str(query)}')
result = query.dicts().execute()
result = list(result)
logger.debug(result)

对应用户sql

执行上面的代码，对应用户的 sql 只有一个

SELECT
    `t1`.`parser_name`,
    `t1`.`error_class_name`,
    `t1`.`track_source_id`,
    COUNT('*') AS `task_count`
FROM
    `parse_monitoring_detail` AS `t1`
jsWHERE
    (`t1`.`success` = 0)
GROUP BY
    `t1`.`track_source_id`
ORDER BY
    `task_count` DESC

但是从 wireshark 抓包可以看到有多个 Request Query

192.168.26.31 是客户端

192.168.38.223 是 Mysql server

Request Query 究竟是啥呢？

第一个 Request Query

SET NAMES utf8mb4

第二个 Request Query

SET sql_mode='PIPES_AS_CONCAT'

第三个 Request Query

SELECT
    `t1`.`parser_name`,
    `t1`.`error_class_name`,
    `t1`.`track_source_id`,
    COUNT('*') AS `task_count`
FROM
    `parse_monitoring_detail` AS `t1`
WHERE
    (`t1`.`success` = 0)
GROUP BY
    `t1`.`track_source_id`
ORDER BY
    `task_count` DESC

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