|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Created by PhpStorm. |
|
4
|
|
|
* Author: Adrian Dumitru |
|
5
|
|
|
* Date: 4/30/2017 9:55 PM |
|
6
|
|
|
*/ |
|
7
|
|
|
|
|
8
|
|
|
namespace Qpdb\QueryBuilder\Traits; |
|
9
|
|
|
|
|
10
|
|
|
|
|
11
|
|
|
use Qpdb\QueryBuilder\Dependencies\QueryException; |
|
12
|
|
|
use Qpdb\QueryBuilder\Dependencies\QueryHelper; |
|
13
|
|
|
use Qpdb\QueryBuilder\Dependencies\QueryStructure; |
|
14
|
|
|
|
|
15
|
|
|
/** |
|
16
|
|
|
* Trait GroupBy |
|
17
|
|
|
* @package Qpdb\QueryBuilder\Traits |
|
18
|
|
|
* @property QueryStructure $queryStructure |
|
19
|
|
|
*/ |
|
20
|
|
|
trait GroupBy |
|
21
|
|
|
{ |
|
22
|
|
|
|
|
23
|
|
|
/** |
|
24
|
|
|
* @param $column |
|
25
|
|
|
* @param array $allowedColumns |
|
26
|
|
|
* @return $this |
|
27
|
|
|
* @throws QueryException |
|
28
|
|
|
*/ |
|
29
|
|
|
public function groupBy( $column, array $allowedColumns = [] ) |
|
30
|
|
|
{ |
|
31
|
|
|
if ( !$this->validateColumn( $column, $allowedColumns ) ) |
|
|
|
|
|
|
32
|
|
|
throw new QueryException( 'Invalid column name in GROUP BY clause', QueryException::QUERY_ERROR_INVALID_COLUMN_NAME ); |
|
33
|
|
|
|
|
34
|
|
|
$column = $this->queryStructure->prepare($column); |
|
35
|
|
|
$this->queryStructure->setElement( QueryStructure::ORDER_BY, $column ); |
|
36
|
|
|
|
|
37
|
|
|
$this->queryStructure->setElement( QueryStructure::GROUP_BY, $column ); |
|
38
|
|
|
|
|
39
|
|
|
return $this; |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* @param int|string $column |
|
45
|
|
|
* @param array $allowedColumns |
|
46
|
|
|
* @return $this |
|
47
|
|
|
* @throws QueryException |
|
48
|
|
|
*/ |
|
49
|
|
|
public function groupByDesc( $column, array $allowedColumns = [] ) |
|
50
|
|
|
{ |
|
51
|
|
|
if ( !$this->validateColumn( $column, $allowedColumns ) ) |
|
52
|
|
|
throw new QueryException( 'Invalid column name in GROUP BY clause', QueryException::QUERY_ERROR_INVALID_COLUMN_NAME ); |
|
53
|
|
|
|
|
54
|
|
|
$column = $this->queryStructure->prepare($column); |
|
55
|
|
|
$this->queryStructure->setElement( QueryStructure::ORDER_BY, $column ); |
|
56
|
|
|
|
|
57
|
|
|
$this->queryStructure->setElement( QueryStructure::GROUP_BY, $column . ' DESC' ); |
|
58
|
|
|
|
|
59
|
|
|
return $this; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
|
|
63
|
|
|
/** |
|
64
|
|
|
* @param $expression |
|
65
|
|
|
* @return $this |
|
66
|
|
|
* @throws QueryException |
|
67
|
|
|
*/ |
|
68
|
|
|
public function groupByExpression( $expression ) |
|
69
|
|
|
{ |
|
70
|
|
|
$this->queryStructure->setElement( QueryStructure::GROUP_BY, $expression ); |
|
71
|
|
|
|
|
72
|
|
|
return $this; |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
|
|
76
|
|
|
/** |
|
77
|
|
|
* @return string |
|
78
|
|
|
*/ |
|
79
|
|
|
private function getGroupBySyntax() |
|
80
|
|
|
{ |
|
81
|
|
|
if ( count( $this->queryStructure->getElement( QueryStructure::GROUP_BY ) ) ) |
|
82
|
|
|
return 'GROUP BY ' . QueryHelper::implode( $this->queryStructure->getElement( QueryStructure::GROUP_BY ), ', ' ); |
|
83
|
|
|
|
|
84
|
|
|
return ''; |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
|
|
} |
adumitru68 /
QueryBuilder
Loading history...