V2EX shrugginG
shrugginG

shrugginG

V2EX 第 631790 号会员,加入于 2023-05-30 20:18:06 +08:00
shrugginG 最近回复了
@lnbiuc 这个自己手动指向一个 mihomo 内核就行了
308 天前
回复了 apollo007 创建的主题 问与答 求推荐:午休折叠床
牧高笛有一款躺椅,虽然不能全躺平,但是角度够大,我已经在实验室用了一年多了
突然想起了之前实习三个同门挤一个车公庄 2 居月租 9000 的日子
同问
2024-09-19 09:25:53 +08:00
回复了 shrugginG 创建的主题 MySQL mysql 小白请教大佬一个问题
@redog 感谢解答,这个内外表的概念我确实没有了解,看来确实该加强学习了哈哈,还有就是 phishy_url 是很多表的汇总表,里面应该是有 300w+的数据量的,所以之前非常慢。
2024-09-10 23:29:40 +08:00
回复了 shrugginG 创建的主题 MySQL mysql 小白请教大佬一个问题
@HolderRoberts
-- auto-generated definition
create table phishy_urls
(
id int auto_increment
primary key,
url varchar(2048) not null,
url_sha256 char(64) not null,
ecrimex tinyint(1) default 0 null,
ecrimex_brand varchar(255) null,
phishtank tinyint(1) default 0 null,
phishtank_brand varchar(255) null,
openphish tinyint(1) default 0 null,
openphish_brand varchar(255) null,
created_at timestamp default CURRENT_TIMESTAMP not null,
is_crawled tinyint(1) default 0 null,
page_url varchar(2048) null,
is_accessible tinyint(1) null,
is_completed tinyint(1) null,
status_code smallint unsigned null,
title varchar(255) collate utf8mb4_unicode_ci null,
ip varchar(39) null,
port int null,
updated_at timestamp default CURRENT_TIMESTAMP not null on update CURRENT_TIMESTAMP,
traffic_captured tinyint(1) default 0 null,
last_crawled_time datetime null,
constraint url_sha256_unique
unique (url_sha256)
);
2024-09-08 10:38:47 +08:00
回复了 shrugginG 创建的主题 MySQL mysql 小白请教大佬一个问题
@sagaxu 我用 explain 测试过了
```
EXPLAIN
INSERT INTO phishing_intelligence.phishtank_database (phish_id, url, url_sha256, phish_detail_url, submission_time,
verified, verification_time, online, target, etag)
VALUES ('8746113', 'https://free-5477419.webadorsite.com/',
'66c5960b2546bb5d7807213f8d0b6c574ac9b329aca4cc9db6ded49dbc7c4662',
'http://www.phishtank.com/phish_detail.php?phish_id=8746113', '2024-09-06T11:43:49', 'yes',
'2024-09-06T11:53:23', 'yes', 'Other', '7c90038b7ae65365a87c0ef8615e98e4');
```
结果是
```
[
{
"id": 1,
"select_type": "INSERT",
"table": "phishtank_database",
"partitions": null,
"type": "ALL",
"possible_keys": null,
"key": null,
"key_len": null,
"ref": null,
"rows": null,
"filtered": null,
"Extra": null
}
]
```
我看了这应该就是全表扫描了吧,根本没有用到唯一索引
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