Cml\Interfaces\Db::max PHP Метод

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max() публичный Метод

获取 MAX(字段名或*) 的结果
public max ( string $field = '*', boolean | string $isMulti = false, boolean | string $useMaster = false ) : mixed
$field string 要统计的字段名
$isMulti boolean | string 结果集是否为多条 默认只有一条。传字符串时相当于执行了 groupBy($isMulti)
$useMaster boolean | string 是否使用主库 默认读取从库
Результат mixed 
    public function max($field = '*', $isMulti = false, $useMaster = false);
Db
__construct
__destruct
_and
_or
affectedRows
avg
buildSql
callProcedure
chunk
columns
commit
conditionFactory
connect
count
decrement
delete
get
getAllTableStatus
getDbFields
getOne
getOneValue
getPk
getTables
groupBy
having
increment
insertId
join
lBrackets
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limit
max
min
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set
startTransAction
sum
table
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union
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version
where
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whereGt
whereGte
whereIn
whereLike
whereLt
whereLte
whereNot
whereNotBetween
whereNotIn
whereNotLike
whereNotNull
whereNull
whereRegExp