|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Helix\DB\Fluent\Value; |
|
4
|
|
|
|
|
5
|
|
|
use Helix\DB\Fluent\AbstractTrait; |
|
6
|
|
|
use Helix\DB\Fluent\Num; |
|
7
|
|
|
use Helix\DB\Fluent\Text; |
|
8
|
|
|
|
|
9
|
|
|
/** |
|
10
|
|
|
* Produces aggregate expressions for the instance. |
|
11
|
|
|
*/ |
|
12
|
|
|
trait AggregateTrait { |
|
13
|
|
|
|
|
14
|
|
|
use AbstractTrait; |
|
15
|
|
|
|
|
16
|
|
|
/** |
|
17
|
|
|
* `AVG($this)` |
|
18
|
|
|
* |
|
19
|
|
|
* @return Num |
|
20
|
|
|
*/ |
|
21
|
|
|
public function avg () { |
|
22
|
|
|
return Num::factory($this->db, "AVG({$this})"); |
|
23
|
|
|
} |
|
24
|
|
|
|
|
25
|
|
|
/** |
|
26
|
|
|
* `AVG(DISTINCT $this)` |
|
27
|
|
|
* |
|
28
|
|
|
* @return Num |
|
29
|
|
|
*/ |
|
30
|
|
|
public function avgDistinct () { |
|
31
|
|
|
return Num::factory($this->db, "AVG(DISTINCT {$this})"); |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* `COUNT($this)` |
|
36
|
|
|
* |
|
37
|
|
|
* @return Num |
|
38
|
|
|
*/ |
|
39
|
|
|
public function count () { |
|
40
|
|
|
return Num::factory($this->db, "COUNT({$this})"); |
|
41
|
|
|
} |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* `COUNT(DISTINCT $this)` |
|
45
|
|
|
* |
|
46
|
|
|
* @return Num |
|
47
|
|
|
*/ |
|
48
|
|
|
public function countDistinct () { |
|
49
|
|
|
return Num::factory($this->db, "COUNT(DISTINCT {$this})"); |
|
50
|
|
|
} |
|
51
|
|
|
|
|
52
|
|
|
/** |
|
53
|
|
|
* `GROUP_CONCAT($this)` using a delimiter. |
|
54
|
|
|
* |
|
55
|
|
|
* @param string $delimiter |
|
56
|
|
|
* @return Text |
|
57
|
|
|
*/ |
|
58
|
|
|
public function groupConcat (string $delimiter = ',') { |
|
59
|
|
|
$delimiter = $this->db->quote($delimiter); |
|
60
|
|
|
if ($this->db->isSQLite()) { |
|
61
|
|
|
return Text::factory($this->db, "GROUP_CONCAT({$this},{$delimiter})"); |
|
62
|
|
|
} |
|
63
|
|
|
return Text::factory($this->db, "GROUP_CONCAT({$this} SEPARATOR {$delimiter})"); |
|
64
|
|
|
} |
|
65
|
|
|
|
|
66
|
|
|
/** |
|
67
|
|
|
* `MAX($this)` |
|
68
|
|
|
* |
|
69
|
|
|
* @return Num |
|
70
|
|
|
*/ |
|
71
|
|
|
public function max () { |
|
72
|
|
|
return Num::factory($this->db, "MAX({$this})"); |
|
73
|
|
|
} |
|
74
|
|
|
|
|
75
|
|
|
/** |
|
76
|
|
|
* `MIN($this)` |
|
77
|
|
|
* |
|
78
|
|
|
* @return Num |
|
79
|
|
|
*/ |
|
80
|
|
|
public function min () { |
|
81
|
|
|
return Num::factory($this->db, "MIN({$this})"); |
|
82
|
|
|
} |
|
83
|
|
|
|
|
84
|
|
|
/** |
|
85
|
|
|
* `SUM($this)` |
|
86
|
|
|
* |
|
87
|
|
|
* @return Num |
|
88
|
|
|
*/ |
|
89
|
|
|
public function sum () { |
|
90
|
|
|
return Num::factory($this->db, "SUM({$this})"); |
|
91
|
|
|
} |
|
92
|
|
|
|
|
93
|
|
|
/** |
|
94
|
|
|
* `SUM(DISTINCT $this)` |
|
95
|
|
|
* |
|
96
|
|
|
* @return Num |
|
97
|
|
|
*/ |
|
98
|
|
|
public function sumDistinct () { |
|
99
|
|
|
return Num::factory($this->db, "SUM(DISTINCT {$this})"); |
|
100
|
|
|
} |
|
101
|
|
|
} |
|
102
|
|
|
|
hfw /
db
