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| 1 | <?php |
| 2 | /** |
| 3 | * Jingga |
| 4 | * |
| 5 | * PHP Version 8.1 |
| 6 | * |
| 7 | * @package phpOMS\DataStorage\Database\Schema\Grammar |
| 8 | * @copyright Dennis Eichhorn |
| 9 | * @license OMS License 2.0 |
| 10 | * @version 1.0.0 |
| 11 | * @link https://jingga.app |
| 12 | */ |
| 13 | declare(strict_types=1); |
| 14 | |
| 15 | namespace phpOMS\DataStorage\Database\Schema\Grammar; |
| 16 | |
| 17 | use phpOMS\DataStorage\Database\BuilderAbstract; |
| 18 | use phpOMS\DataStorage\Database\Query\Builder; |
| 19 | use phpOMS\DataStorage\Database\Schema\Builder as SchemaBuilder; |
| 20 | use phpOMS\DataStorage\Database\Schema\QueryType; |
| 21 | |
| 22 | /** |
| 23 | * Database query grammar. |
| 24 | * |
| 25 | * @package phpOMS\DataStorage\Database\Schema\Grammar |
| 26 | * @license OMS License 2.0 |
| 27 | * @link https://jingga.app |
| 28 | * @since 1.0.0 |
| 29 | */ |
| 30 | class MysqlGrammar extends Grammar |
| 31 | { |
| 32 | /** |
| 33 | * System identifier. |
| 34 | * |
| 35 | * @var string |
| 36 | * @since 1.0.0 |
| 37 | */ |
| 38 | public string $systemIdentifierStart = '`'; |
| 39 | |
| 40 | /** |
| 41 | * System identifier. |
| 42 | * |
| 43 | * @var string |
| 44 | * @since 1.0.0 |
| 45 | */ |
| 46 | public string $systemIdentifierEnd = '`'; |
| 47 | |
| 48 | /** |
| 49 | * {@inheritdoc} |
| 50 | */ |
| 51 | public function compilePostQueries(BuilderAbstract $query) : array |
| 52 | { |
| 53 | /** @var SchemaBuilder $query */ |
| 54 | |
| 55 | $sql = []; |
| 56 | switch ($query->getType()) { |
| 57 | case QueryType::CREATE_TABLE: |
| 58 | foreach ($query->createFields as $name => $field) { |
| 59 | if (isset($field['meta']['multi_autoincrement'])) { |
| 60 | $tmpSql = 'CREATE TRIGGER update_' . $name |
| 61 | . ' BEFORE INSERT ON ' . $query->createTable |
| 62 | . ' FOR EACH ROW BEGIN' |
| 63 | . ' SET NEW.' . $name . ' = (' |
| 64 | . 'SELECT COALESCE(MAX(' . $name . '), 0) + 1' |
| 65 | . ' FROM ' . $query->createTable |
| 66 | . ' WHERE'; |
| 67 | |
| 68 | foreach ($field['meta']['multi_autoincrement'] as $index => $autoincrement) { |
| 69 | $tmpSql .= ($index > 0 ? ' AND' : '') . ' ' . $autoincrement . ' = NEW.' . $autoincrement; |
| 70 | } |
| 71 | |
| 72 | $tmpSql .= ' LIMIT 1); END;'; |
| 73 | |
| 74 | $sql[] = $tmpSql; |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | break; |
| 79 | default: |
| 80 | return []; |
| 81 | } |
| 82 | |
| 83 | return $sql; |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Compile remove |
| 88 | * |
| 89 | * @param Builder $query Builder |
| 90 | * @param array $remove Remove data |
| 91 | * |
| 92 | * @return string |
| 93 | * |
| 94 | * @since 1.0.0 |
| 95 | */ |
| 96 | protected function compileAlterRemove(BuilderAbstract $query, array $remove) : string |
| 97 | { |
| 98 | $keyWord = $remove['type'] === 'CONSTRAINT' ? 'FOREIGN KEY ' : 'COLUMN'; |
| 99 | |
| 100 | return 'DROP ' . $keyWord . ' ' . $remove['identifier']; |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Compile from. |
| 105 | * |
| 106 | * @param SchemaBuilder $query Builder |
| 107 | * @param array $table Tables |
| 108 | * |
| 109 | * @return string |
| 110 | * |
| 111 | * @since 1.0.0 |
| 112 | */ |
| 113 | protected function compileSelectTables(SchemaBuilder $query, array $table) : string |
| 114 | { |
| 115 | $builder = new Builder($query->getConnection()); |
| 116 | $builder->select('table_name') |
| 117 | ->from('information_schema.tables') |
| 118 | ->where('table_schema', '=', $query->getConnection()->getDatabase()); |
| 119 | |
| 120 | return \rtrim($builder->toSql(), ';'); |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Compile from. |
| 125 | * |
| 126 | * @param SchemaBuilder $query Builder |
| 127 | * @param string $table Tables |
| 128 | * |
| 129 | * @return string |
| 130 | * |
| 131 | * @since 1.0.0 |
| 132 | */ |
| 133 | protected function compileSelectFields(SchemaBuilder $query, string $table) : string |
| 134 | { |
| 135 | $builder = new Builder($query->getConnection()); |
| 136 | $builder->select('*') |
| 137 | ->from('information_schema.columns') |
| 138 | ->where('table_schema', '=', $query->getConnection()->getDatabase()) |
| 139 | ->andWhere('table_name', '=', $table); |
| 140 | |
| 141 | return \rtrim($builder->toSql(), ';'); |
| 142 | } |
| 143 | |
| 144 | /** |
| 145 | * Compile create table fields query. |
| 146 | * |
| 147 | * @param SchemaBuilder $query Query |
| 148 | * @param array $fields Fields to create |
| 149 | * |
| 150 | * @return string |
| 151 | * |
| 152 | * @since 1.0.0 |
| 153 | */ |
| 154 | protected function compileCreateFields(SchemaBuilder $query, array $fields) : string |
| 155 | { |
| 156 | $fieldQuery = ''; |
| 157 | $keys = ''; |
| 158 | |
| 159 | foreach ($fields as $name => $field) { |
| 160 | $fieldQuery .= ' ' . $this->expressionizeTableColumn([$name]) . ' ' . $field['type']; |
| 161 | |
| 162 | if (isset($field['default']) || ($field['default'] === null && ($field['null'] ?? false))) { |
| 163 | $fieldQuery .= ' DEFAULT ' . $this->compileValue($query, $field['default']); |
| 164 | } |
| 165 | |
| 166 | if ($field['null'] ?? false) { |
| 167 | $fieldQuery .= ' ' . ($field['null'] ? '' : 'NOT ') . 'NULL'; |
| 168 | } |
| 169 | |
| 170 | if ($field['autoincrement'] ?? false) { |
| 171 | $fieldQuery .= ' AUTO_INCREMENT'; |
| 172 | } |
| 173 | |
| 174 | $fieldQuery .= ','; |
| 175 | |
| 176 | if ($field['primary'] ?? false) { |
| 177 | $keys .= ' PRIMARY KEY (' . $this->expressionizeTableColumn([$name]) . '),'; |
| 178 | } |
| 179 | |
| 180 | if ($field['unique'] ?? false) { |
| 181 | $keys .= ' UNIQUE KEY (' . $this->expressionizeTableColumn([$name]) . '),'; |
| 182 | } |
| 183 | |
| 184 | if (isset($field['foreignTable'], $field['foreignKey'])) { |
| 185 | $keys .= ' FOREIGN KEY (' . $this->expressionizeTableColumn([$name]) . ') REFERENCES ' |
| 186 | . $this->expressionizeTableColumn([$field['foreignTable']]) |
| 187 | . ' (' . $this->expressionizeTableColumn([$field['foreignKey']]) . '),'; |
| 188 | } |
| 189 | |
| 190 | if (isset($field['meta']['multi_autoincrement'])) { |
| 191 | $query->hasPostQuery = true; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | return '(' . \ltrim(\rtrim($fieldQuery . $keys, ','), ' ') . ')'; |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * Compile create table settings query. |
| 200 | * |
| 201 | * @param BuilderAbstract $query Query |
| 202 | * @param bool $settings Has settings |
| 203 | * |
| 204 | * @return string |
| 205 | * |
| 206 | * @since 1.0.0 |
| 207 | */ |
| 208 | protected function compileCreateTableSettings(BuilderAbstract $query, bool $settings) : string |
| 209 | { |
| 210 | return 'ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 AUTO_INCREMENT=1'; |
| 211 | } |
| 212 | } |