Note
SQL optimizer and rewriter (assisted SQL tuning) developed based on Xiaomi's soar.
- PHP >= 7.3
- ext-json
- ext-mbstring
- Laravel - laravel-soar, laravel-web-soar
- ThinkPHP - think-soar
- Hyperf - hyperf-soar
- Webman - webman-soar
- Yii2
- Symfony
- Slim
composer require guanguans/soar-php -vQuick start
<?php
require __DIR__.'/vendor/autoload.php';
use Guanguans\SoarPHP\Soar;
// Quickly create a soar instance
$soar = Soar::create();
/**
* Create a custom soar instance
* Options @see examples/soar.options.example.php
*/
$soar = Soar::create(
[
// 测试环境数据库配置.
'-test-dsn' => [
'host' => '127.0.0.1',
'port' => '3306',
'dbname' => 'laravel',
'username' => 'root',
'password' => 'root',
'disable' => false,
],
// 日志输出位置 (default "soar.log").
'-log-output' => __DIR__.'/logs/soar.log',
// 优化建议输出格式，目前支持: json, text, markdown, html等 (default "markdown").
'-report-type' => 'json',
],
'自定义的 soar 路径'
);
// Final run: /Users/yaozm/Documents/develop/soar-php/bin/soar.darwin-amd64 '-version=true'
$soar->clone() // Clone soar and avoid the option to manipulate the original soar.
->addVersion(true) // Add -version value of the option is `true`
->addVerbose(true) // Add -verbose value of the option is `true`
->removeVersion() // Remove -version option
->setVersion(true) // Set -version value of the option is `true`
->mergeVersion(true) // Merge -version value of the option is `true`
->onlyVersion() // Only keep -version option
->dump() // Dump debug information
->run(); // Run⚠️ When running in a unix OS non-cli environment, may throw `Fatal error: ...Exit Code: 2(Misuse of shell builtins)...`
// Fatal error: Uncaught Guanguans\SoarPHP\Exceptions\ProcessFailedException: The command "'/Users/yaozm/Documents/develop/soar-php/bin/soar.darwin-amd64' '-report-type=json' '-query=select * from users;'" failed. Exit Code: 2(Misuse of shell builtins) Working directory: /Users/yaozm/Documents/develop/soar-php Output: ================ Error Output: ================ panic: runtime error: invalid memory address or nil pointer dereference [signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1938665] goroutine 1 [running]: github.com/pingcap/tidb/util/memory.MemTotalNormal() pkg/mod/github.com/pingcap/[email protected]/util/memory/meminfo.go:41 +0x65 github.com/pingcap/tidb/util/memory.init.0() pkg/mod/github.com/pingcap/[email protected]/util/memory/meminfo.go:134 +0x175 in /Users/yaozm/Documents/develop/soar-php/src/Concerns/WithRunable.php:36 Stack trace: #0 /Users/yaozm/Documents/develop/soar-php/test.php(163): Guanguans\SoarPHP\Soar->run() #1 /User in /Users/yaozm/Documents/develop/soar-php/src/Concerns/WithRunable.php on line 36
$soar->setSudoPassword('your sudo password'); // Set a sudo password to run the soar command with sudo to avoid the above errors.SQL Scores(SQL fingerprint、Score、Explain interpretation、Heuristic rule suggestions、Index rule suggestions)
$sqls = <<<'sql'
SELECT * FROM users;
SELECT DATE_FORMAT (t.last_update,'%Y-%m-%d'),COUNT (DISTINCT (t.city)) FROM city t WHERE t.last_update> '2018-10-22 00:00:00' AND t.city LIKE '%Chrome%' AND t.city='eip' GROUP BY DATE_FORMAT(t.last_update,'%Y-%m-%d') ORDER BY DATE_FORMAT(t.last_update,'%Y-%m-%d');
DELETE city FROM city LEFT JOIN country ON city.country_id=country.country_id WHERE country.country IS NULL;
UPDATE city INNER JOIN country ON city.country_id=country.country_id INNER JOIN address ON city.city_id=address.city_id SET city.city='Abha',city.last_update='2006-02-15 04:45:25',country.country='Afghanistan' WHERE city.city_id=10;
INSERT INTO city (country_id) SELECT country_id FROM country;
REPLACE INTO city (country_id) SELECT country_id FROM country;
ALTER TABLE inventory ADD INDEX `idx_store_film` (`store_id`,`film_id`),ADD INDEX `idx_store_film` (`store_id`,`film_id`),ADD INDEX `idx_store_film` (`store_id`,`film_id`);
DROP TABLE `users`;
CREATE TABLE `users` (
`id` bigint unsigned NOT NULL AUTO_INCREMENT,
`name` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
`email` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
`email_verified_at` timestamp NULL DEFAULT NULL,
`password` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,
`remember_token` varchar(100) COLLATE utf8mb4_unicode_ci DEFAULT NULL,
`created_at` timestamp NULL DEFAULT NULL,
`updated_at` timestamp NULL DEFAULT NULL,
PRIMARY KEY (`id`),
UNIQUE KEY `users_email_unique` (`email`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
sql;
$soar->scores($sqls);
$soar->htmlScores($sqls);
$soar->markdownScores($sqls);
$soar->arrayScores($sqls);
$soar->jsonScores($sqls);array:9 [
0 => array:8 [
"ID" => "30AFCB1E1344BEBD"
"Fingerprint" => "select * from users"
"Score" => 80
"Sample" => "SELECT * FROM users"
"Explain" => array:1 [
0 => array:6 [
"Item" => "EXP.000"
"Severity" => "L0"
"Summary" => "Explain信息"
"Content" => """
| id | select\_type | table | partitions | type | possible_keys | key | key\_len | ref | rows | filtered | scalability | Extra |\n
|---|---|---|---|---|---|---|---|---|---|---|---|---|\n
| 1 | SIMPLE | *users* | NULL | ALL | NULL | NULL | NULL | NULL | 1 | ☠️ **100.00%** | ☠️ **O(n)** | NULL |\n
\n
"""
"Case" => """
### Explain信息解读\n
\n
#### SelectType信息解读\n
\n
* **SIMPLE**: 简单SELECT(不使用UNION或子查询等).\n
\n
#### Type信息解读\n
\n
* ☠️ **ALL**: 最坏的情况, 从头到尾全表扫描.\n
"""
"Position" => 0
]
]
"HeuristicRules" => array:1 [
0 => array:6 [
"Item" => "CLA.001"
"Severity" => "L4"
"Summary" => "最外层 SELECT 未指定 WHERE 条件"
"Content" => "SELECT 语句没有 WHERE 子句，可能检查比预期更多的行(全表扫描)。对于 SELECT COUNT(*) 类型的请求如果不要求精度，建议使用 SHOW TABLE STATUS 或 EXPLAIN 替代。"
"Case" => "select id from tbl"
"Position" => 0
]
]
"IndexRules" => null
"Tables" => array:1 [
0 => "`laravel`.`users`"
]
]
1 => array:8 [
"ID" => "23D3498A40F9900D"
"Fingerprint" => "select date_format (t.last_update,?),count (distinct (t.city)) from city t where t.last_update> ? and t.city like ? and t.city=? group by date_format(t.last_update,?) order by date_format(t.last_update,?)"
"Score" => 0
"Sample" => "SELECT DATE_FORMAT (t.last_update,'%Y-%m-%d'),COUNT (DISTINCT (t.city)) FROM city t WHERE t.last_update> '2018-10-22 00:00:00' AND t.city LIKE '%Chrome%' AND t.city='eip' GROUP BY DATE_FORMAT(t.last_update,'%Y-%m-%d') ORDER BY DATE_FORMAT(t.last_update,'%Y-%m-%d')"
"Explain" => null
"HeuristicRules" => array:7 [
0 => array:6 [
"Item" => "ALI.001"
"Severity" => "L0"
"Summary" => "建议使用 AS 关键字显示声明一个别名"
"Content" => "在列或表别名(如"tbl AS alias")中, 明确使用 AS 关键字比隐含别名(如"tbl alias")更易懂。"
"Case" => "select name from tbl t1 where id < 1000"
"Position" => 0
]
1 => array:6 [
"Item" => "ARG.001"
"Severity" => "L4"
"Summary" => "不建议使用前项通配符查找"
"Content" => "例如 "％foo"，查询参数有一个前项通配符的情况无法使用已有索引。"
"Case" => "select c1,c2,c3 from tbl where name like '%foo'"
"Position" => 0
]
2 => array:6 [
"Item" => "CLA.009"
"Severity" => "L2"
"Summary" => "ORDER BY 的条件为表达式"
"Content" => "当 ORDER BY 条件为表达式或函数时会使用到临时表，如果在未指定 WHERE 或 WHERE 条件返回的结果集较大时性能会很差。"
"Case" => "select description from film where title ='ACADEMY DINOSAUR' order by length-language_id;"
"Position" => 0
]
3 => array:6 [
"Item" => "CLA.010"
"Severity" => "L2"
"Summary" => "GROUP BY 的条件为表达式"
"Content" => "当 GROUP BY 条件为表达式或函数时会使用到临时表，如果在未指定 WHERE 或 WHERE 条件返回的结果集较大时性能会很差。"
"Case" => "select description from film where title ='ACADEMY DINOSAUR' GROUP BY length-language_id;"
"Position" => 0
]
4 => array:6 [
"Item" => "ERR.000"
"Severity" => "L8"
"Summary" => "No available MySQL environment, build-in sql parse failed: line 1 column 61 near "DISTINCT (t.city)) FROM city t WHERE t.last_update> '2018-10-22 00:00:00' AND t.city LIKE '%Chrome%' AND t.city='eip' GROUP BY DATE_FORMAT(t.last_update,'%Y-%m-%d') ORDER BY DATE_FORMAT(t.last_update,'%Y-%m-%d')" "
"Content" => "line 1 column 61 near "DISTINCT (t.city)) FROM city t WHERE t.last_update> '2018-10-22 00:00:00' AND t.city LIKE '%Chrome%' AND t.city='eip' GROUP BY DATE_FORMAT(t.last_update,'%Y-%m-%d') ORDER BY DATE_FORMAT(t.last_update,'%Y-%m-%d')" "
"Case" => ""
"Position" => 0
]
5 => array:6 [
"Item" => "ERR.002"
"Severity" => "L8"
"Summary" => "MySQL execute failed"
"Content" => "You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DISTINCT (t.city)) FROM city t WHERE t.last_update> '2018-10-22 00:00:00' AND t.' at line 1"
"Case" => ""
"Position" => 0
]
6 => array:6 [
"Item" => "KEY.008"
"Severity" => "L4"
"Summary" => "ORDER BY 多个列但排序方向不同时可能无法使用索引"
"Content" => "在 MySQL 8.0 之前当 ORDER BY 多个列指定的排序方向不同时将无法使用已经建立的索引。"
"Case" => "SELECT * FROM tbl ORDER BY a DESC, b ASC;"
"Position" => 0
]
]
"IndexRules" => null
"Tables" => null
]
2 => array:8 [
"ID" => "E759EFCE5B432198"
"Fingerprint" => "delete city from city left join country on city.country_id=country.country_id where country.country is null"
"Score" => 80
"Sample" => "DELETE city FROM city LEFT JOIN country ON city.country_id=country.country_id WHERE country.country IS NULL"
"Explain" => null
"HeuristicRules" => array:2 [
0 => array:6 [
"Item" => "JOI.007"
"Severity" => "L4"
"Summary" => "不建议使用联表删除或更新"
"Content" => "当需要同时删除或更新多张表时建议使用简单语句，一条 SQL 只删除或更新一张表，尽量不要将多张表的操作在同一条语句。"
"Case" => "UPDATE users u LEFT JOIN hobby h ON u.id = h.uid SET u.name = 'pianoboy' WHERE h.hobby = 'piano';"
"Position" => 0
]
1 => array:6 [
"Item" => "SEC.003"
"Severity" => "L0"
"Summary" => "使用DELETE/DROP/TRUNCATE等操作时注意备份"
"Content" => "在执行高危操作之前对数据进行备份是十分有必要的。"
"Case" => "delete from table where col = 'condition'"
"Position" => 0
]
]
"IndexRules" => null
"Tables" => array:2 [
0 => "`laravel`.`city`"
1 => "`laravel`.`country`"
]
]
3 => array:8 [
"ID" => "67B0C3CE9FA26F37"
"Fingerprint" => "update city inner join country on city.country_id=country.country_id inner join address on city.city_id=address.city_id set city.city=?,city.last_update=?,country.country=? where city.city_id=?"
"Score" => 80
"Sample" => "UPDATE city INNER JOIN country ON city.country_id=country.country_id INNER JOIN address ON city.city_id=address.city_id SET city.city='Abha',city.last_update='2006-02-15 04:45:25',country.country='Afghanistan' WHERE city.city_id=10"
"Explain" => null
"HeuristicRules" => array:1 [
0 => array:6 [
"Item" => "JOI.007"
"Severity" => "L4"
"Summary" => "不建议使用联表删除或更新"
"Content" => "当需要同时删除或更新多张表时建议使用简单语句，一条 SQL 只删除或更新一张表，尽量不要将多张表的操作在同一条语句。"
"Case" => "UPDATE users u LEFT JOIN hobby h ON u.id = h.uid SET u.name = 'pianoboy' WHERE h.hobby = 'piano';"
"Position" => 0
]
]
"IndexRules" => null
"Tables" => array:3 [
0 => "`laravel`.`address`"
1 => "`laravel`.`city`"
2 => "`laravel`.`country`"
]
]
4 => array:8 [
"ID" => "3656B13CC4F888E2"
"Fingerprint" => "insert into city (country_id) select country_id from country"
"Score" => 65
"Sample" => "INSERT INTO city (country_id) SELECT country_id FROM country"
"Explain" => null
"HeuristicRules" => array:2 [
0 => array:6 [
"Item" => "CLA.001"
"Severity" => "L4"
"Summary" => "最外层 SELECT 未指定 WHERE 条件"
"Content" => "SELECT 语句没有 WHERE 子句，可能检查比预期更多的行(全表扫描)。对于 SELECT COUNT(*) 类型的请求如果不要求精度，建议使用 SHOW TABLE STATUS 或 EXPLAIN 替代。"
"Case" => "select id from tbl"
"Position" => 0
]
1 => array:6 [
"Item" => "LCK.001"
"Severity" => "L3"
"Summary" => "INSERT INTO xx SELECT 加锁粒度较大请谨慎"
"Content" => "INSERT INTO xx SELECT 加锁粒度较大请谨慎"
"Case" => "INSERT INTO tbl SELECT * FROM tbl2;"
"Position" => 0
]
]
"IndexRules" => null
"Tables" => array:2 [
0 => "`laravel`.`city`"
1 => "`laravel`.`country`"
]
]
5 => array:8 [
"ID" => "E3DDA1A929236E72"
"Fingerprint" => "replace into city (country_id) select country_id from country"
"Score" => 65
"Sample" => "REPLACE INTO city (country_id) SELECT country_id FROM country"
"Explain" => null
"HeuristicRules" => array:2 [
0 => array:6 [
"Item" => "CLA.001"
"Severity" => "L4"
"Summary" => "最外层 SELECT 未指定 WHERE 条件"
"Content" => "SELECT 语句没有 WHERE 子句，可能检查比预期更多的行(全表扫描)。对于 SELECT COUNT(*) 类型的请求如果不要求精度，建议使用 SHOW TABLE STATUS 或 EXPLAIN 替代。"
"Case" => "select id from tbl"
"Position" => 0
]
1 => array:6 [
"Item" => "LCK.001"
"Severity" => "L3"
"Summary" => "INSERT INTO xx SELECT 加锁粒度较大请谨慎"
"Content" => "INSERT INTO xx SELECT 加锁粒度较大请谨慎"
"Case" => "INSERT INTO tbl SELECT * FROM tbl2;"
"Position" => 0
]
]
"IndexRules" => null
"Tables" => array:2 [
0 => "`laravel`.`city`"
1 => "`laravel`.`country`"
]
]
6 => array:8 [
"ID" => "9BB74D074BA0727C"
"Fingerprint" => "alter table inventory add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`),add index `idx_store_film` (`store_id`,`film_id`)"
"Score" => 100
"Sample" => "ALTER TABLE inventory ADD INDEX `idx_store_film` (`store_id`,`film_id`),ADD INDEX `idx_store_film` (`store_id`,`film_id`),ADD INDEX `idx_store_film` (`store_id`,`film_id`)"
"Explain" => null
"HeuristicRules" => array:1 [
0 => array:6 [
"Item" => "KEY.004"
"Severity" => "L0"
"Summary" => "提醒：请将索引属性顺序与查询对齐"
"Content" => "如果为列创建复合索引，请确保查询属性与索引属性的顺序相同，以便DBMS在处理查询时使用索引。如果查询和索引属性订单没有对齐，那么DBMS可能无法在查询处理期间使用索引。"
"Case" => "create index idx1 on tbl (last_name,first_name)"
"Position" => 0
]
]
"IndexRules" => null
"Tables" => array:1 [
0 => "`laravel`.`inventory`"
]
]
7 => array:8 [
"ID" => "C77607894B4EFCC6"
"Fingerprint" => "drop table `users`"
"Score" => 100
"Sample" => "DROP TABLE `users`"
"Explain" => null
"HeuristicRules" => array:1 [
0 => array:6 [
"Item" => "SEC.003"
"Severity" => "L0"
"Summary" => "使用DELETE/DROP/TRUNCATE等操作时注意备份"
"Content" => "在执行高危操作之前对数据进行备份是十分有必要的。"
"Case" => "delete from table where col = 'condition'"
"Position" => 0
]
]
"IndexRules" => null
"Tables" => array:1 [
0 => "`laravel`.`users`"
]
]
8 => array:8 [
"ID" => "D0870E395F2CA834"
"Fingerprint" => "create table `users` ( `id` bigint unsigned not null auto_increment, `name` varchar(?) collate utf8mb4_unicode_ci not ?, `email` varchar(?) collate utf8mb4_unicode_ci not ?, `email_verified_at` timestamp ? default ?, `password` varchar(?) collate utf8mb4_unicode_ci not ?, `remember_token` varchar(?) collate utf8mb4_unicode_ci default ?, `created_at` timestamp ? default ?, `updated_at` timestamp ? default ?, primary key (`id`), unique key `users_email_unique` (`email`) ) engine=innodb default charset=utf8mb4 collate=utf8mb4_unicode_ci"
"Score" => 75
"Sample" => """
CREATE TABLE `users` (\n
`id` bigint unsigned NOT NULL AUTO_INCREMENT,\n
`name` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,\n
`email` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,\n
`email_verified_at` timestamp NULL DEFAULT NULL,\n
`password` varchar(255) COLLATE utf8mb4_unicode_ci NOT NULL,\n
`remember_token` varchar(100) COLLATE utf8mb4_unicode_ci DEFAULT NULL,\n
`created_at` timestamp NULL DEFAULT NULL,\n
`updated_at` timestamp NULL DEFAULT NULL,\n
PRIMARY KEY (`id`),\n
UNIQUE KEY `users_email_unique` (`email`)\n
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci
"""
"Explain" => null
"HeuristicRules" => array:7 [
0 => array:6 [
"Item" => "CLA.011"
"Severity" => "L1"
"Summary" => "建议为表添加注释"
"Content" => "为表添加注释能够使得表的意义更明确，从而为日后的维护带来极大的便利。"
"Case" => "CREATE TABLE `test1` (`ID` bigint(20) NOT NULL AUTO_INCREMENT,`c1` varchar(128) DEFAULT NULL,PRIMARY KEY (`ID`)) ENGINE=InnoDB DEFAULT CHARSET=utf8"
"Position" => 0
]
1 => array:6 [
"Item" => "COL.004"
"Severity" => "L1"
"Summary" => "请为列添加默认值"
"Content" => "请为列添加默认值，如果是 ALTER 操作，请不要忘记将原字段的默认值写上。字段无默认值，当表较大时无法在线变更表结构。"
"Case" => "CREATE TABLE tbl (col int) ENGINE=InnoDB;"
"Position" => 0
]
2 => array:6 [
"Item" => "COL.005"
"Severity" => "L1"
"Summary" => "列未添加注释"
"Content" => "建议对表中每个列添加注释，来明确每个列在表中的含义及作用。"
"Case" => "CREATE TABLE tbl (col int) ENGINE=InnoDB;"
"Position" => 0
]
3 => array:6 [
"Item" => "COL.011"
"Severity" => "L0"
"Summary" => "当需要唯一约束时才使用 NULL，仅当列不能有缺失值时才使用 NOT NULL"
"Content" => "NULL 和0是不同的，10乘以 NULL 还是 NULL。NULL 和空字符串是不一样的。将一个字符串和标准 SQL 中的 NULL 联合起来的结果还是 NULL。NULL 和 FALSE 也是不同的。AND、OR 和 NOT 这三个布尔操作如果涉及 NULL，其结果也让很多人感到困惑。当您将一列声明为 NOT NULL 时，也就是说这列中的每一个值都必须存在且是有意义的。使用 NULL 来表示任意类型不存在的空值。 当您将一列声明为 NOT NULL 时，也就是说这列中的每一个值都必须存在且是有意义的。"
"Case" => "select c1,c2,c3 from tbl where c4 is null or c4 <> 1"
"Position" => 49
]
4 => array:6 [
"Item" => "KWR.003"
"Severity" => "L1"
"Summary" => "不建议使用复数做列名或表名"
"Content" => "表名应该仅仅表示表里面的实体内容，不应该表示实体数量，对应于 DO 类名也是单数形式，符合表达习惯。"
"Case" => "CREATE TABLE tbl ( `books` int )"
"Position" => 0
]
5 => array:6 [
"Item" => "SEC.002"
"Severity" => "L0"
"Summary" => "不使用明文存储密码"
"Content" => "使用明文存储密码或者使用明文在网络上传递密码都是不安全的。如果攻击者能够截获您用来插入密码的SQL语句，他们就能直接读到密码。另外，将用户输入的字符串以明文的形式插入到纯SQL语句中，也会让攻击者发现它。如果您能够读取密码，黑客也可以。解决方案是使用单向哈希函数对原始密码进行加密编码。哈希是指将输入字符串转化成另一个新的、不可识别的字符串的函数。对密码加密表达式加点随机串来防御“字典攻击”。不要将明文密码输入到SQL查询语句中。在应用程序代码中计算哈希串，只在SQL查询中使用哈希串。"
"Case" => "create table test(id int,name varchar(20) not null,password varchar(200)not null)"
"Position" => 0
]
6 => array:6 [
"Item" => "STA.003"
"Severity" => "L1"
"Summary" => "索引起名不规范"
"Content" => "建议普通二级索引以idx_为前缀，唯一索引以uk_为前缀。"
"Case" => "select col from now where type!=0"
"Position" => 0
]
]
"IndexRules" => null
"Tables" => array:1 [
0 => "`laravel`.`users`"
]
]
]
soar help
$soar->help()Usage of /Users/yaozm/Documents/develop/soar-php/bin/soar.darwin-amd64:
-allow-charsets string
AllowCharsets (default "utf8,utf8mb4")
-allow-collates string
AllowCollates
-allow-drop-index
AllowDropIndex, 允许输出删除重复索引的建议
-allow-engines string
AllowEngines (default "innodb")
-allow-online-as-test
AllowOnlineAsTest, 允许线上环境也可以当作测试环境
-blacklist string
指定 blacklist 配置文件的位置，文件中的 SQL 不会被评审。一行一条SQL，可以是指纹，也可以是正则
-check-config
Check configs
-cleanup-test-database
单次运行清理历史1小时前残余的测试库。
-column-not-allow-type string
ColumnNotAllowType (default "boolean")
-config string
Config file path
-delimiter string
Delimiter, SQL分隔符 (default ";")
-drop-test-temporary
DropTestTemporary, 是否清理测试环境产生的临时库表 (default true)
-dry-run
是否在预演环境执行 (default true)
-explain
Explain, 是否开启Explain执行计划分析 (default true)
-explain-format string
ExplainFormat [json, traditional] (default "traditional")
-explain-max-filtered float
ExplainMaxFiltered, filtered大于该配置给出警告 (default 100)
-explain-max-keys int
ExplainMaxKeyLength, 最大key_len (default 3)
-explain-max-rows int
ExplainMaxRows, 最大扫描行数警告 (default 10000)
-explain-min-keys int
ExplainMinPossibleKeys, 最小possible_keys警告
-explain-sql-report-type string
ExplainSQLReportType [pretty, sample, fingerprint] (default "pretty")
-explain-type string
ExplainType [extended, partitions, traditional] (default "extended")
-explain-warn-access-type string
ExplainWarnAccessType, 哪些access type不建议使用 (default "ALL")
-explain-warn-extra string
ExplainWarnExtra, 哪些extra信息会给警告 (default "Using temporary,Using filesort")
-explain-warn-scalability string
ExplainWarnScalability, 复杂度警告名单, 支持O(n),O(log n),O(1),O(?) (default "O(n)")
-explain-warn-select-type string
ExplainWarnSelectType, 哪些select_type不建议使用
-ignore-rules string
IgnoreRules, 忽略的优化建议规则 (default "COL.011")
-index-prefix string
IdxPrefix (default "idx_")
-list-heuristic-rules
ListHeuristicRules, 打印支持的评审规则列表
-list-report-types
ListReportTypes, 打印支持的报告输出类型
-list-rewrite-rules
ListRewriteRules, 打印支持的重写规则列表
-list-test-sqls
ListTestSqls, 打印测试case用于测试
-log-level int
LogLevel, 日志级别, [0:Emergency, 1:Alert, 2:Critical, 3:Error, 4:Warning, 5:Notice, 6:Informational, 7:Debug] (default 3)
-log-output string
LogOutput, 日志输出位置 (default "soar.log")
-log_err_stacks
log stack traces for errors
-log_rotate_max_size uint
size in bytes at which logs are rotated (glog.MaxSize) (default 1887436800)
-markdown-extensions int
MarkdownExtensions, markdown 转 html支持的扩展包, 参考blackfriday (default 94)
-markdown-html-flags int
MarkdownHTMLFlags, markdown 转 html 支持的 flag, 参考blackfriday
-max-column-count int
MaxColCount, 单表允许的最大列数 (default 40)
-max-distinct-count int
MaxDistinctCount, 单条 SQL 中 Distinct 的最大数量 (default 5)
-max-group-by-cols-count int
MaxGroupByColsCount, 单条 SQL 中 GroupBy 包含列的最大数量 (default 5)
-max-in-count int
MaxInCount, IN()最大数量 (default 10)
-max-index-bytes int
MaxIdxBytes, 索引总长度限制 (default 3072)
-max-index-bytes-percolumn int
MaxIdxBytesPerColumn, 索引中单列最大字节数 (default 767)
-max-index-cols-count int
MaxIdxColsCount, 复合索引中包含列的最大数量 (default 5)
-max-index-count int
MaxIdxCount, 单表最大索引个数 (default 10)
-max-join-table-count int
MaxJoinTableCount, 单条 SQL 中 JOIN 表的最大数量 (default 5)
-max-pretty-sql-length int
MaxPrettySQLLength, 超出该长度的SQL会转换成指纹输出 (default 1024)
-max-query-cost int
MaxQueryCost, last_query_cost 超过该值时将给予警告 (default 9999)
-max-subquery-depth int
MaxSubqueryDepth (default 5)
-max-text-cols-count int
MaxTextColsCount, 表中含有的 text/blob 列的最大数量 (default 2)
-max-total-rows uint
MaxTotalRows, 计算散粒度时，当数据行数大于MaxTotalRows即开启数据库保护模式，不计算散粒度 (default 9999999)
-max-value-count int
MaxValueCount, INSERT/REPLACE 单次批量写入允许的行数 (default 100)
-max-varchar-length int
MaxVarcharLength (default 1024)
-min-cardinality float
MinCardinality，索引列散粒度最低阈值，散粒度低于该值的列不添加索引，建议范围0.0 ~ 100.0
-online-dsn string
OnlineDSN, 线上环境数据库配置, username:********@tcp(ip:port)/schema (default "tcp/information_schema?timeout=3s&charset=utf8")
-only-syntax-check
OnlySyntaxCheck, 只做语法检查不输出优化建议
-print-config
Print configs
-profiling
Profiling, 开启数据采样的情况下在测试环境执行Profile
-query string
待评审的 SQL 或 SQL 文件，如 SQL 中包含特殊字符建议使用文件名。
-report-css string
ReportCSS, 当 ReportType 为 html 格式时使用的 css 风格，如不指定会提供一个默认风格。CSS可以是本地文件，也可以是一个URL
-report-javascript string
ReportJavascript, 当 ReportType 为 html 格式时使用的javascript脚本，如不指定默认会加载SQL pretty 使用的 javascript。像CSS一样可以是本地文件，也可以是一个URL
-report-title string
ReportTitle, 当 ReportType 为 html 格式时，HTML 的 title (default "SQL优化分析报告")
-report-type string
ReportType, 优化建议输出格式，目前支持: json, text, markdown, html等 (default "markdown")
-rewrite-rules string
RewriteRules, 生效的重写规则 (default "delimiter,orderbynull,groupbyconst,dmlorderby,having,star2columns,insertcolumns,distinctstar")
-sampling
Sampling, 数据采样开关
-sampling-condition string
SamplingCondition, 数据采样条件，如： WHERE xxx LIMIT xxx
-sampling-statistic-target int
SamplingStatisticTarget, 数据采样因子，对应 PostgreSQL 的 default_statistics_target (default 100)
-show-last-query-cost
ShowLastQueryCost
-show-warnings
ShowWarnings
-spaghetti-query-length int
SpaghettiQueryLength, SQL最大长度警告，超过该长度会给警告 (default 2048)
-test-dsn string
TestDSN, 测试环境数据库配置, username:********@tcp(ip:port)/schema (default "tcp/information_schema?timeout=3s&charset=utf8")
-trace
Trace, 开启数据采样的情况下在测试环境执行Trace
-unique-key-prefix string
UkPrefix (default "uk_")
-verbose
Verbose
-version
Print version info
composer testPlease see CHANGELOG for more information on what has changed recently.
Please see CONTRIBUTING for details.
Please review our security policy on how to report security vulnerabilities.
Thanks goes to these wonderful people (emoji key):
 kamly 🐛 |
 Leslie Lau 🐛 |
 D.J.Hwang 🤔 |
 海彬 🐛 |
 imcm 🤔 |
This project follows the all-contributors specification. Contributions of any kind welcome!
The MIT License (MIT). Please see License File for more information.