yii\db\Command::queryColumn PHP 메소드

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queryColumn() 공개 메소드

This method is best used when only the first column of result (i.e. the first element in each row) is needed for a query.
public queryColumn ( ) : array
리턴 array the first column of the query result. Empty array is returned if the query results in nothing. 
    public function queryColumn()
    {
        return $this->queryInternal('fetchAll', \PDO::FETCH_COLUMN);
    }
Command
addColumn
addCommentOnColumn
addCommentOnTable
addForeignKey
addPrimaryKey
alterColumn
batchInsert
bindParam
bindPendingParams
bindValue
bindValues
cache
cancel
checkIntegrity
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delete
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dropCommentFromColumn
dropCommentFromTable
dropForeignKey
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execute
getRawSql
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insert
noCache
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query
queryAll
queryColumn
queryInternal
queryOne
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refreshTableSchema
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