Cml\Interfaces\Db::getOneValue PHP Метод

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getOneValue() публичный Метод

获取一列

public getOneValue ( string $column, boolean $useMaster = false ) : boolean \| mixed
$column	string	列名
$useMaster	boolean	是否使用主库默认读取从库
Результат	boolean \| mixed

    public function getOneValue($column, $useMaster = false);

__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

leftJoin

limit

max

min

orderBy

paginate

plunk

rBrackets

rightJoin

rollBack

savePoint

select

set

startTransAction

sum

table

truncate

union

update

version

where

whereBetween

whereGt

whereGte

whereIn

whereLike

whereLt

whereLte

whereNot

whereNotBetween

whereNotIn

whereNotLike

whereNotNull

whereNull

whereRegExp