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db\Query $union

$union public property

This is used to construct the UNION clause(s) in a SQL statement. Each array element is an array of the following structure:

query: either a string or a yii\db\Query object representing a query
all: boolean, whether it should be UNION ALL or UNION

public array $union = null

Links:

http://www.yiiframework.com/doc-2.0/yii-db-query.html#$union-detail

doc_Yii

2016-10-30 16:58:53

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