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1 | <?php declare(strict_types=1); |
2 | /* |
3 | * This file is part of Aplus Framework Database Library. |
4 | * |
5 | * (c) Natan Felles <natanfelles@gmail.com> |
6 | * |
7 | * For the full copyright and license information, please view the LICENSE |
8 | * file that was distributed with this source code. |
9 | */ |
10 | namespace Framework\Database\Definition; |
11 | |
12 | use Framework\Database\Statement; |
13 | use LogicException; |
14 | |
15 | /** |
16 | * Class CreateSchema. |
17 | * |
18 | * @see https://mariadb.com/kb/en/create-database/ |
19 | * |
20 | * @package database |
21 | */ |
22 | class CreateSchema extends Statement |
23 | { |
24 | /** |
25 | * @return static |
26 | */ |
27 | public function orReplace() : static |
28 | { |
29 | $this->sql['or_replace'] = true; |
30 | return $this; |
31 | } |
32 | |
33 | protected function renderOrReplace() : ?string |
34 | { |
35 | if ( ! isset($this->sql['or_replace'])) { |
36 | return null; |
37 | } |
38 | return ' OR REPLACE'; |
39 | } |
40 | |
41 | /** |
42 | * @return static |
43 | */ |
44 | public function ifNotExists() : static |
45 | { |
46 | $this->sql['if_not_exists'] = true; |
47 | return $this; |
48 | } |
49 | |
50 | protected function renderIfNotExists() : ?string |
51 | { |
52 | if ( ! isset($this->sql['if_not_exists'])) { |
53 | return null; |
54 | } |
55 | if (isset($this->sql['or_replace'])) { |
56 | throw new LogicException( |
57 | 'Clauses OR REPLACE and IF NOT EXISTS can not be used together' |
58 | ); |
59 | } |
60 | return ' IF NOT EXISTS'; |
61 | } |
62 | |
63 | /** |
64 | * @param string $schemaName |
65 | * |
66 | * @return static |
67 | */ |
68 | public function schema(string $schemaName) : static |
69 | { |
70 | $this->sql['schema'] = $schemaName; |
71 | return $this; |
72 | } |
73 | |
74 | protected function renderSchema() : string |
75 | { |
76 | if (isset($this->sql['schema'])) { |
77 | return ' ' . $this->database->protectIdentifier($this->sql['schema']); |
78 | } |
79 | throw new LogicException('SCHEMA name must be set'); |
80 | } |
81 | |
82 | /** |
83 | * @param string $charset |
84 | * |
85 | * @return static |
86 | */ |
87 | public function charset(string $charset) : static |
88 | { |
89 | $this->sql['charset'] = $charset; |
90 | return $this; |
91 | } |
92 | |
93 | protected function renderCharset() : ?string |
94 | { |
95 | if ( ! isset($this->sql['charset'])) { |
96 | return null; |
97 | } |
98 | $charset = $this->database->quote($this->sql['charset']); |
99 | return " CHARACTER SET = {$charset}"; |
100 | } |
101 | |
102 | /** |
103 | * @param string $collation |
104 | * |
105 | * @return static |
106 | */ |
107 | public function collate(string $collation) : static |
108 | { |
109 | $this->sql['collation'] = $collation; |
110 | return $this; |
111 | } |
112 | |
113 | protected function renderCollate() : ?string |
114 | { |
115 | if ( ! isset($this->sql['collation'])) { |
116 | return null; |
117 | } |
118 | $collation = $this->database->quote($this->sql['collation']); |
119 | return " COLLATE = {$collation}"; |
120 | } |
121 | |
122 | public function sql() : string |
123 | { |
124 | $sql = 'CREATE' . $this->renderOrReplace(); |
125 | $sql .= ' SCHEMA' . $this->renderIfNotExists(); |
126 | $sql .= $this->renderSchema() . \PHP_EOL; |
127 | $part = $this->renderCharset(); |
128 | if ($part) { |
129 | $sql .= $part . \PHP_EOL; |
130 | } |
131 | $part = $this->renderCollate(); |
132 | if ($part) { |
133 | $sql .= $part . \PHP_EOL; |
134 | } |
135 | return $sql; |
136 | } |
137 | |
138 | /** |
139 | * Runs the CREATE SCHEMA statement. |
140 | * |
141 | * @return int|string The number of affected rows |
142 | */ |
143 | public function run() : int|string |
144 | { |
145 | return $this->database->exec($this->sql()); |
146 | } |
147 | } |