1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Staudenmeir\LaravelCte\Query\Grammars; |
4
|
|
|
|
5
|
|
|
use Illuminate\Database\Query\Builder; |
6
|
|
|
use Illuminate\Support\Str; |
7
|
|
|
use Staudenmeir\LaravelCte\Query\Builder as CteBuilder; |
8
|
|
|
|
9
|
|
|
trait CompilesExpressions |
10
|
|
|
{ |
11
|
|
|
/** |
12
|
|
|
* Create a new grammar instance. |
13
|
|
|
*/ |
14
|
116 |
|
public function __construct() |
15
|
|
|
{ |
16
|
116 |
|
array_unshift($this->selectComponents, 'expressions'); |
17
|
|
|
|
18
|
116 |
|
$this->selectComponents[] = 'recursionLimit'; |
|
|
|
|
19
|
116 |
|
} |
20
|
|
|
|
21
|
|
|
/** |
22
|
|
|
* Compile the common table expressions. |
23
|
|
|
* |
24
|
|
|
* @param \Illuminate\Database\Query\Builder $query |
25
|
|
|
* @param array $expressions |
26
|
|
|
* @return string |
27
|
|
|
*/ |
28
|
116 |
|
public function compileExpressions(Builder $query, array $expressions) |
|
|
|
|
29
|
|
|
{ |
30
|
116 |
|
if (!$expressions) { |
|
|
|
|
31
|
112 |
|
return ''; |
32
|
|
|
} |
33
|
|
|
|
34
|
104 |
|
$recursive = $this->recursiveKeyword($expressions); |
35
|
|
|
|
36
|
104 |
|
$statements = []; |
37
|
|
|
|
38
|
104 |
|
foreach ($expressions as $expression) { |
39
|
104 |
|
$columns = $expression['columns'] ? '('.$this->columnize($expression['columns']).') ' : ''; |
|
|
|
|
40
|
|
|
|
41
|
104 |
|
$materialized = !is_null($expression['materialized']) |
42
|
18 |
|
? ($expression['materialized'] ? 'materialized ' : 'not materialized ') |
43
|
86 |
|
: ''; |
44
|
|
|
|
45
|
104 |
|
$statements[] = $this->wrapTable($expression['name']).' '.$columns.'as '.$materialized.'('.$expression['query'].')'; |
|
|
|
|
46
|
|
|
} |
47
|
|
|
|
48
|
104 |
|
return 'with '.$recursive.implode(', ', $statements); |
49
|
|
|
} |
50
|
|
|
|
51
|
|
|
/** |
52
|
|
|
* Get the "recursive" keyword. |
53
|
|
|
* |
54
|
|
|
* @param array $expressions |
55
|
|
|
* @return string |
56
|
|
|
*/ |
57
|
78 |
|
protected function recursiveKeyword(array $expressions) |
58
|
|
|
{ |
59
|
78 |
|
return collect($expressions)->where('recursive', true)->isNotEmpty() ? 'recursive ' : ''; |
|
|
|
|
60
|
|
|
} |
61
|
|
|
|
62
|
|
|
/** |
63
|
|
|
* Compile the recursion limit. |
64
|
|
|
* |
65
|
|
|
* @param \Illuminate\Database\Query\Builder $query |
66
|
|
|
* @param int|null $recursionLimit |
67
|
|
|
* @return string |
68
|
|
|
*/ |
69
|
15 |
|
public function compileRecursionLimit(Builder $query, $recursionLimit) |
|
|
|
|
70
|
|
|
{ |
71
|
15 |
|
if (is_null($recursionLimit)) { |
72
|
3 |
|
return ''; |
73
|
|
|
} |
74
|
|
|
|
75
|
12 |
|
return 'option (maxrecursion '.(int) $recursionLimit.')'; |
76
|
|
|
} |
77
|
|
|
|
78
|
|
|
/** |
79
|
|
|
* Compile a select query into SQL. |
80
|
|
|
* |
81
|
|
|
* @param \Illuminate\Database\Query\Builder $query |
82
|
|
|
* @return string |
83
|
|
|
*/ |
84
|
116 |
|
public function compileSelect(Builder $query) |
85
|
|
|
{ |
86
|
116 |
|
$sql = parent::compileSelect($query); |
87
|
|
|
|
88
|
116 |
|
if ($query instanceof CteBuilder) { |
89
|
116 |
|
if ($query->unionExpressions) { |
|
|
|
|
90
|
8 |
|
$sql = $this->compileExpressions($query, $query->unionExpressions) . " $sql"; |
91
|
|
|
} |
92
|
|
|
|
93
|
116 |
|
if (!is_null($query->unionRecursionLimit)) { |
|
|
|
|
94
|
4 |
|
$sql .= ' ' . $this->compileRecursionLimit($query, $query->unionRecursionLimit); |
95
|
|
|
} |
96
|
|
|
} |
97
|
|
|
|
98
|
116 |
|
return $sql; |
99
|
|
|
} |
100
|
|
|
|
101
|
|
|
/** |
102
|
|
|
* Compile an insert statement using a subquery into SQL. |
103
|
|
|
* |
104
|
|
|
* @param \Illuminate\Database\Query\Builder $query |
105
|
|
|
* @param array $columns |
106
|
|
|
* @param string $sql |
107
|
|
|
* @return string |
108
|
|
|
*/ |
109
|
7 |
|
public function compileInsertUsing(Builder $query, array $columns, string $sql) |
110
|
|
|
{ |
111
|
7 |
|
$expressions = $this->compileExpressions($query, $query->expressions); |
112
|
|
|
|
113
|
7 |
|
$recursionLimit = $this->compileRecursionLimit($query, $query->recursionLimit); |
114
|
|
|
|
115
|
7 |
|
$compiled = parent::compileInsertUsing($query, $columns, $sql); |
116
|
|
|
|
117
|
7 |
|
return (string) Str::of($compiled) |
118
|
7 |
|
->prepend($expressions, ' ') |
119
|
7 |
|
->append(' ', $recursionLimit) |
120
|
7 |
|
->trim(); |
121
|
|
|
} |
122
|
|
|
|
123
|
|
|
/** |
124
|
|
|
* Compile an update statement into SQL. |
125
|
|
|
* |
126
|
|
|
* @param \Illuminate\Database\Query\Builder $query |
127
|
|
|
* @param array $values |
128
|
|
|
* @return string |
129
|
|
|
*/ |
130
|
7 |
|
public function compileUpdate(Builder $query, array $values) |
131
|
|
|
{ |
132
|
7 |
|
$compiled = parent::compileUpdate($query, $values); |
133
|
|
|
|
134
|
7 |
|
return (string) Str::of($compiled) |
135
|
7 |
|
->prepend($this->compileExpressions($query, $query->expressions), ' ') |
136
|
7 |
|
->trim(); |
137
|
|
|
} |
138
|
|
|
|
139
|
|
|
/** |
140
|
|
|
* Prepare the bindings for an update statement. |
141
|
|
|
* |
142
|
|
|
* @param array $bindings |
143
|
|
|
* @param array $values |
144
|
|
|
* @return array |
145
|
|
|
*/ |
146
|
7 |
|
public function prepareBindingsForUpdate(array $bindings, array $values) |
147
|
|
|
{ |
148
|
7 |
|
$values = array_merge($bindings['expressions'], $values); |
149
|
|
|
|
150
|
7 |
|
unset($bindings['expressions']); |
151
|
|
|
|
152
|
7 |
|
return parent::prepareBindingsForUpdate($bindings, $values); |
153
|
|
|
} |
154
|
|
|
|
155
|
|
|
/** |
156
|
|
|
* Get the bindings for an update statement. |
157
|
|
|
* |
158
|
|
|
* @param \Illuminate\Database\Query\Builder $query |
159
|
|
|
* @param array $bindings |
160
|
|
|
* @param array $values |
161
|
|
|
* @return array |
162
|
|
|
*/ |
163
|
5 |
|
public function getBindingsForUpdate(Builder $query, array $bindings, array $values) |
|
|
|
|
164
|
|
|
{ |
165
|
5 |
|
return $this->prepareBindingsForUpdate($bindings, $values); |
166
|
|
|
} |
167
|
|
|
|
168
|
|
|
/** |
169
|
|
|
* Compile a delete statement into SQL. |
170
|
|
|
* |
171
|
|
|
* @param \Illuminate\Database\Query\Builder $query |
172
|
|
|
* @return string |
173
|
|
|
*/ |
174
|
7 |
|
public function compileDelete(Builder $query) |
175
|
|
|
{ |
176
|
7 |
|
$compiled = parent::compileDelete($query); |
177
|
|
|
|
178
|
7 |
|
return (string) Str::of($compiled) |
179
|
7 |
|
->prepend($this->compileExpressions($query, $query->expressions), ' ') |
180
|
7 |
|
->trim(); |
181
|
|
|
} |
182
|
|
|
} |
183
|
|
|
|