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db\QueryBuilder buildExistsCondition()

buildExistsCondition() public method

Creates an SQL expressions with the EXISTS operator.

public string buildExistsCondition ( $operator, $operands, &$params )
$operator string

The operator to use (e.g. EXISTS or NOT EXISTS)
$operands array

Contains only one element which is a yii\db\Query object representing the sub-query.
$params array

The binding parameters to be populated
return string

The generated SQL expression
throws yii\base\InvalidParamException

if the operand is not a yii\db\Query object.
doc_Yii
doc_Yii
2016-10-30 16:59:12
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