Login Register

db\Query queryScalar()

queryScalar() protected method

Queries a scalar value by setting select() first.

Restores the value of select to make this query reusable.

protected boolean\|string queryScalar ( $selectExpression, $db )
$selectExpression	string\|yii\db\Expression
$db	yii\db\Connection\|null

Links:

http://www.yiiframework.com/doc-2.0/yii-db-query.html#queryScalar()-detail

doc_Yii

2016-10-30 16:59:04

Comments

Leave a Comment

Please login to continue.

Popular Articles

sphinx\Query queryScalar() queryScalar() protected method Queries a scalar value by setting select() first. Restores the value of select to make this query reusable. prot

db_query db_query($query, array $args = array(), array $options = array()) Executes an arbitrary query string against the active database. Use this function f

db\Query each() each() public method Starts a batch query and retrieves data row by row. This method is similar to batch() except that in each iteration of the r

db\Query exists() exists() public method Returns a value indicating whether the query result contains any row of data. public boolean exists ( $db = null )$db yi

db\Query innerJoin() innerJoin() public method Appends an INNER JOIN part to the query. public $this innerJoin ( $table, $on = '', $params = [] )$table string|arra