top-think /
framework
| Total Complexity | 222 |
| Total Lines | 1540 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like PdoConnection often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use PdoConnection, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 27 | abstract class PdoConnection extends Connection |
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| 28 | { |
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| 29 | const PARAM_FLOAT = 21; |
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| 30 | |||
| 31 | /** |
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| 32 | * PDO操作实例 |
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| 33 | * @var PDOStatement |
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| 34 | */ |
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| 35 | protected $PDOStatement; |
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| 36 | |||
| 37 | /** |
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| 38 | * 当前SQL指令 |
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| 39 | * @var string |
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| 40 | */ |
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| 41 | protected $queryStr = ''; |
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| 42 | |||
| 43 | /** |
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| 44 | * 事务指令数 |
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| 45 | * @var int |
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| 46 | */ |
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| 47 | protected $transTimes = 0; |
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| 48 | |||
| 49 | /** |
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| 50 | * 查询结果类型 |
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| 51 | * @var int |
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| 52 | */ |
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| 53 | protected $fetchType = PDO::FETCH_ASSOC; |
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| 54 | |||
| 55 | /** |
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| 56 | * 字段属性大小写 |
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| 57 | * @var int |
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| 58 | */ |
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| 59 | protected $attrCase = PDO::CASE_LOWER; |
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| 60 | |||
| 61 | /** |
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| 62 | * 数据表信息 |
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| 63 | * @var array |
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| 64 | */ |
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| 65 | protected $info = []; |
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| 66 | |||
| 67 | /** |
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| 68 | * 查询开始时间 |
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| 69 | * @var float |
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| 70 | */ |
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| 71 | protected $queryStartTime; |
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| 72 | |||
| 73 | /** |
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| 74 | * PDO连接参数 |
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| 75 | * @var array |
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| 76 | */ |
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| 77 | protected $params = [ |
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| 78 | PDO::ATTR_CASE => PDO::CASE_NATURAL, |
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| 79 | PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION, |
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| 80 | PDO::ATTR_ORACLE_NULLS => PDO::NULL_NATURAL, |
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| 81 | PDO::ATTR_STRINGIFY_FETCHES => false, |
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| 82 | PDO::ATTR_EMULATE_PREPARES => false, |
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| 83 | ]; |
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| 84 | |||
| 85 | /** |
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| 86 | * 参数绑定类型映射 |
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| 87 | * @var array |
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| 88 | */ |
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| 89 | protected $bindType = [ |
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| 90 | 'string' => PDO::PARAM_STR, |
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| 91 | 'str' => PDO::PARAM_STR, |
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| 92 | 'integer' => PDO::PARAM_INT, |
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| 93 | 'int' => PDO::PARAM_INT, |
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| 94 | 'boolean' => PDO::PARAM_BOOL, |
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| 95 | 'bool' => PDO::PARAM_BOOL, |
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| 96 | 'float' => self::PARAM_FLOAT, |
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| 97 | ]; |
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| 98 | |||
| 99 | /** |
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| 100 | * 服务器断线标识字符 |
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| 101 | * @var array |
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| 102 | */ |
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| 103 | protected $breakMatchStr = [ |
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| 104 | 'server has gone away', |
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| 105 | 'no connection to the server', |
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| 106 | 'Lost connection', |
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| 107 | 'is dead or not enabled', |
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| 108 | 'Error while sending', |
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| 109 | 'decryption failed or bad record mac', |
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| 110 | 'server closed the connection unexpectedly', |
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| 111 | 'SSL connection has been closed unexpectedly', |
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| 112 | 'Error writing data to the connection', |
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| 113 | 'Resource deadlock avoided', |
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| 114 | 'failed with errno', |
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| 115 | ]; |
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| 116 | |||
| 117 | /** |
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| 118 | * 绑定参数 |
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| 119 | * @var array |
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| 120 | */ |
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| 121 | protected $bind = []; |
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| 122 | |||
| 123 | /** |
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| 124 | * 获取当前连接器类对应的Query类 |
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| 125 | * @access public |
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| 126 | * @return string |
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| 127 | */ |
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| 128 | public function getQueryClass(): string |
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| 129 | { |
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| 130 | return $this->getConfig('query') ?: Query::class; |
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| 131 | } |
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| 132 | |||
| 133 | /** |
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| 134 | * 获取当前连接器类对应的Builder类 |
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| 135 | * @access public |
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| 136 | * @return string |
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| 137 | */ |
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| 138 | public function getBuilderClass(): string |
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| 139 | { |
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| 140 | return $this->getConfig('builder') ?: '\\think\\db\\builder\\' . ucfirst($this->getConfig('type')); |
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| 141 | } |
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| 142 | |||
| 143 | /** |
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| 144 | * 解析pdo连接的dsn信息 |
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| 145 | * @access protected |
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| 146 | * @param array $config 连接信息 |
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| 147 | * @return string |
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| 148 | */ |
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| 149 | abstract protected function parseDsn(array $config); |
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| 150 | |||
| 151 | /** |
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| 152 | * 取得数据表的字段信息 |
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| 153 | * @access public |
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| 154 | * @param string $tableName 数据表名称 |
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| 155 | * @return array |
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| 156 | */ |
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| 157 | abstract public function getFields(string $tableName); |
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| 158 | |||
| 159 | /** |
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| 160 | * 取得数据库的表信息 |
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| 161 | * @access public |
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| 162 | * @param string $dbName 数据库名称 |
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| 163 | * @return array |
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| 164 | */ |
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| 165 | abstract public function getTables(string $dbName); |
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| 166 | |||
| 167 | /** |
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| 168 | * SQL性能分析 |
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| 169 | * @access protected |
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| 170 | * @param string $sql SQL语句 |
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| 171 | * @return array |
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| 172 | */ |
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| 173 | abstract protected function getExplain(string $sql); |
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| 174 | |||
| 175 | /** |
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| 176 | * 对返数据表字段信息进行大小写转换出来 |
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| 177 | * @access public |
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| 178 | * @param array $info 字段信息 |
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| 179 | * @return array |
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| 180 | */ |
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| 181 | public function fieldCase(array $info): array |
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| 182 | { |
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| 183 | // 字段大小写转换 |
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| 184 | switch ($this->attrCase) { |
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| 185 | case PDO::CASE_LOWER: |
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| 186 | $info = array_change_key_case($info); |
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| 187 | break; |
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| 188 | case PDO::CASE_UPPER: |
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| 189 | $info = array_change_key_case($info, CASE_UPPER); |
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| 190 | break; |
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| 191 | case PDO::CASE_NATURAL: |
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| 192 | default: |
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| 193 | // 不做转换 |
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| 194 | } |
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| 195 | |||
| 196 | return $info; |
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| 197 | } |
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| 198 | |||
| 199 | /** |
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| 200 | * 获取字段绑定类型 |
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| 201 | * @access public |
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| 202 | * @param string $type 字段类型 |
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| 203 | * @return integer |
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| 204 | */ |
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| 205 | public function getFieldBindType(string $type): int |
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| 206 | { |
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| 207 | if (in_array($type, ['integer', 'string', 'float', 'boolean', 'bool', 'int', 'str'])) { |
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| 208 | $bind = $this->bindType[$type]; |
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| 209 | } elseif (0 === strpos($type, 'set') || 0 === strpos($type, 'enum')) { |
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| 210 | $bind = PDO::PARAM_STR; |
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| 211 | } elseif (preg_match('/(double|float|decimal|real|numeric)/is', $type)) { |
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| 212 | $bind = self::PARAM_FLOAT; |
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| 213 | } elseif (preg_match('/(int|serial|bit)/is', $type)) { |
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| 214 | $bind = PDO::PARAM_INT; |
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| 215 | } elseif (preg_match('/bool/is', $type)) { |
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| 216 | $bind = PDO::PARAM_BOOL; |
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| 217 | } else { |
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| 218 | $bind = PDO::PARAM_STR; |
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| 219 | } |
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| 220 | |||
| 221 | return $bind; |
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| 222 | } |
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| 223 | |||
| 224 | /** |
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| 225 | * 获取数据表信息 |
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| 226 | * @access public |
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| 227 | * @param mixed $tableName 数据表名 留空自动获取 |
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| 228 | * @param string $fetch 获取信息类型 包括 fields type bind pk |
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| 229 | * @return mixed |
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| 230 | */ |
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| 231 | public function getTableInfo($tableName, string $fetch = '') |
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| 232 | { |
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| 233 | if (is_array($tableName)) { |
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| 234 | $tableName = key($tableName) ?: current($tableName); |
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| 235 | } |
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| 236 | |||
| 237 | if (strpos($tableName, ',')) { |
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| 238 | // 多表不获取字段信息 |
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| 239 | return []; |
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| 240 | } |
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| 241 | |||
| 242 | // 修正子查询作为表名的问题 |
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| 243 | if (strpos($tableName, ')')) { |
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| 244 | return []; |
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| 245 | } |
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| 246 | |||
| 247 | list($tableName) = explode(' ', $tableName); |
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| 248 | |||
| 249 | if (!strpos($tableName, '.')) { |
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| 250 | $schema = $this->getConfig('database') . '.' . $tableName; |
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| 251 | } else { |
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| 252 | $schema = $tableName; |
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| 253 | } |
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| 254 | |||
| 255 | if (!isset($this->info[$schema])) { |
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| 256 | // 读取缓存 |
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| 257 | $cacheFile = Container::pull('app')->getRuntimePath() . 'schema' . DIRECTORY_SEPARATOR . $schema . '.php'; |
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| 258 | |||
| 259 | if (!$this->config['debug'] && is_file($cacheFile)) { |
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| 260 | $info = include $cacheFile; |
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| 261 | } else { |
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| 262 | $info = $this->getFields($tableName); |
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| 263 | } |
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| 264 | |||
| 265 | $fields = array_keys($info); |
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| 266 | $bind = $type = []; |
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| 267 | |||
| 268 | foreach ($info as $key => $val) { |
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| 269 | // 记录字段类型 |
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| 270 | $type[$key] = $val['type']; |
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| 271 | $bind[$key] = $this->getFieldBindType($val['type']); |
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| 272 | |||
| 273 | if (!empty($val['primary'])) { |
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| 274 | $pk[] = $key; |
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| 275 | } |
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| 276 | } |
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| 277 | |||
| 278 | if (isset($pk)) { |
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| 279 | // 设置主键 |
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| 280 | $pk = count($pk) > 1 ? $pk : $pk[0]; |
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| 281 | } else { |
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| 282 | $pk = null; |
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| 283 | } |
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| 284 | |||
| 285 | $this->info[$schema] = ['fields' => $fields, 'type' => $type, 'bind' => $bind, 'pk' => $pk]; |
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| 286 | } |
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| 287 | |||
| 288 | return $fetch ? $this->info[$schema][$fetch] : $this->info[$schema]; |
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| 289 | } |
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| 290 | |||
| 291 | /** |
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| 292 | * 获取数据表的主键 |
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| 293 | * @access public |
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| 294 | * @param mixed $tableName 数据表名 |
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| 295 | * @return string|array |
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| 296 | */ |
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| 297 | public function getPk($tableName) |
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| 298 | { |
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| 299 | return $this->getTableInfo($tableName, 'pk'); |
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| 300 | } |
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| 301 | |||
| 302 | /** |
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| 303 | * 获取数据表字段信息 |
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| 304 | * @access public |
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| 305 | * @param mixed $tableName 数据表名 |
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| 306 | * @return array |
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| 307 | */ |
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| 308 | public function getTableFields($tableName): array |
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| 309 | { |
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| 310 | return $this->getTableInfo($tableName, 'fields'); |
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| 311 | } |
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| 312 | |||
| 313 | /** |
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| 314 | * 获取数据表字段类型 |
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| 315 | * @access public |
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| 316 | * @param mixed $tableName 数据表名 |
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| 317 | * @param string $field 字段名 |
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| 318 | * @return array|string |
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| 319 | */ |
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| 320 | public function getFieldsType($tableName, string $field = null) |
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| 321 | { |
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| 322 | $result = $this->getTableInfo($tableName, 'type'); |
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| 323 | |||
| 324 | if ($field && isset($result[$field])) { |
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| 325 | return $result[$field]; |
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| 326 | } |
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| 327 | |||
| 328 | return $result; |
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| 329 | } |
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| 330 | |||
| 331 | /** |
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| 332 | * 获取数据表绑定信息 |
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| 333 | * @access public |
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| 334 | * @param mixed $tableName 数据表名 |
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| 335 | * @return array |
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| 336 | */ |
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| 337 | public function getFieldsBind($tableName): array |
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| 338 | { |
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| 339 | return $this->getTableInfo($tableName, 'bind'); |
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| 340 | } |
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| 341 | |||
| 342 | /** |
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| 343 | * 连接数据库方法 |
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| 344 | * @access public |
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| 345 | * @param array $config 连接参数 |
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| 346 | * @param integer $linkNum 连接序号 |
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| 347 | * @param array|bool $autoConnection 是否自动连接主数据库（用于分布式） |
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| 348 | * @return PDO |
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| 349 | * @throws Exception |
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| 350 | */ |
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| 351 | public function connect(array $config = [], $linkNum = 0, $autoConnection = false): PDO |
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| 352 | { |
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| 353 | if (isset($this->links[$linkNum])) { |
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| 354 | return $this->links[$linkNum]; |
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| 355 | } |
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| 356 | |||
| 357 | if (empty($config)) { |
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| 358 | $config = $this->config; |
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| 359 | } else { |
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| 360 | $config = array_merge($this->config, $config); |
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| 361 | } |
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| 362 | |||
| 363 | // 连接参数 |
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| 364 | if (isset($config['params']) && is_array($config['params'])) { |
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| 365 | $params = $config['params'] + $this->params; |
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| 366 | } else { |
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| 367 | $params = $this->params; |
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| 368 | } |
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| 369 | |||
| 370 | // 记录当前字段属性大小写设置 |
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| 371 | $this->attrCase = $params[PDO::ATTR_CASE]; |
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| 372 | |||
| 373 | if (!empty($config['break_match_str'])) { |
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| 374 | $this->breakMatchStr = array_merge($this->breakMatchStr, (array) $config['break_match_str']); |
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| 375 | } |
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| 376 | |||
| 377 | try { |
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| 378 | if (empty($config['dsn'])) { |
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| 379 | $config['dsn'] = $this->parseDsn($config); |
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| 380 | } |
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| 381 | |||
| 382 | $startTime = microtime(true); |
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| 383 | $this->links[$linkNum] = $this->createPdo($config['dsn'], $config['username'], $config['password'], $params); |
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| 384 | // 记录数据库连接信息 |
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| 385 | $this->log('[ DB ] CONNECT:[ UseTime:' . number_format(microtime(true) - $startTime, 6) . 's ] ' . $config['dsn']); |
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| 386 | |||
| 387 | return $this->links[$linkNum]; |
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| 388 | } catch (\PDOException $e) { |
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| 389 | if ($autoConnection) { |
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| 390 | $this->log->error($e->getMessage()); |
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| 391 | return $this->connect($autoConnection, $linkNum); |
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| 392 | } else { |
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| 393 | throw $e; |
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| 394 | } |
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| 395 | } |
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| 396 | } |
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| 397 | |||
| 398 | /** |
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| 399 | * 创建PDO实例 |
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| 400 | * @param $dsn |
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| 401 | * @param $username |
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| 402 | * @param $password |
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| 403 | * @param $params |
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| 404 | * @return PDO |
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| 405 | */ |
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| 406 | protected function createPdo($dsn, $username, $password, $params) |
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| 409 | } |
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| 410 | |||
| 411 | /** |
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| 412 | * 释放查询结果 |
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| 413 | * @access public |
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| 414 | */ |
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| 415 | public function free(): void |
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| 416 | { |
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| 417 | $this->PDOStatement = null; |
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| 418 | } |
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| 419 | |||
| 420 | /** |
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| 421 | * 获取PDO对象 |
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| 422 | * @access public |
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| 423 | * @return \PDO|false |
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| 424 | */ |
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| 425 | public function getPdo() |
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| 426 | { |
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| 427 | if (!$this->linkID) { |
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| 428 | return false; |
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| 429 | } |
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| 430 | |||
| 431 | return $this->linkID; |
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| 432 | } |
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| 433 | |||
| 434 | /** |
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| 435 | * 执行查询 使用生成器返回数据 |
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| 436 | * @access public |
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| 437 | * @param Query $query 查询对象 |
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| 438 | * @param string $sql sql指令 |
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| 439 | * @param array $bind 参数绑定 |
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| 440 | * @param \think\Model $model 模型对象实例 |
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| 441 | * @param array $condition 查询条件 |
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| 442 | * @return \Generator |
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| 443 | */ |
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| 444 | public function getCursor(Query $query, string $sql, array $bind = [], $model = null, $condition = null) |
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| 454 | } |
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| 455 | } |
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| 456 | } |
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| 457 | |||
| 458 | /** |
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| 459 | * 执行查询 返回数据集 |
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| 460 | * @access public |
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| 461 | * @param Query $query 查询对象 |
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| 462 | * @param mixed $sql sql指令 |
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| 463 | * @param array $bind 参数绑定 |
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| 464 | * @return array |
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| 465 | * @throws BindParamException |
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| 466 | * @throws \PDOException |
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| 467 | * @throws \Exception |
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| 468 | * @throws \Throwable |
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| 469 | */ |
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| 470 | public function query(Query $query, $sql, array $bind = []): array |
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| 471 | { |
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| 472 | // 分析查询表达式 |
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| 473 | $query->parseOptions(); |
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| 474 | |||
| 475 | if ($query->getOptions('cache')) { |
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| 476 | // 检查查询缓存 |
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| 477 | $cacheItem = $this->parseCache($query, $query->getOptions('cache')); |
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| 478 | $resultSet = $this->cache->get($cacheItem->getKey()); |
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| 479 | |||
| 480 | if (false !== $resultSet) { |
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| 481 | return $resultSet; |
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| 482 | } |
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| 483 | } |
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| 484 | |||
| 485 | if ($sql instanceof \Closure) { |
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| 486 | $sql = $sql($query); |
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| 487 | $bind = $query->getBind(); |
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| 488 | } |
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| 489 | |||
| 490 | $master = $query->getOptions('master') ? true : false; |
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| 491 | $procedure = $query->getOptions('procedure') ? true : in_array(strtolower(substr(trim($sql), 0, 4)), ['call', 'exec']); |
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| 492 | |||
| 493 | $this->getPDOStatement($sql, $bind, $master, $procedure); |
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| 494 | |||
| 495 | $resultSet = $this->getResult($procedure); |
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| 496 | |||
| 497 | if (isset($cacheItem) && $resultSet) { |
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| 498 | // 缓存数据集 |
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| 499 | $cacheItem->set($resultSet); |
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| 500 | $this->cacheData($cacheItem); |
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| 501 | } |
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| 502 | |||
| 503 | return $resultSet; |
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| 504 | } |
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| 505 | |||
| 506 | /** |
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| 507 | * 执行查询但只返回PDOStatement对象 |
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| 508 | * @access public |
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| 509 | * @param Query $query 查询对象 |
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| 510 | * @return \PDOStatement |
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| 511 | */ |
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| 512 | public function pdo(Query $query): PDOStatement |
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| 513 | { |
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| 514 | $bind = $query->getBind(); |
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| 515 | // 生成查询SQL |
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| 516 | $sql = $this->builder->select($query); |
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| 517 | |||
| 518 | return $this->queryPDOStatement($query, $sql, $bind); |
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| 519 | } |
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| 520 | |||
| 521 | /** |
||
| 522 | * 执行查询但只返回PDOStatement对象 |
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| 523 | * @access public |
||
| 524 | * @param string $sql sql指令 |
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| 525 | * @param array $bind 参数绑定 |
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| 526 | * @param bool $master 是否在主服务器读操作 |
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| 527 | * @param bool $procedure 是否为存储过程调用 |
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| 528 | * @return PDOStatement |
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| 529 | * @throws BindParamException |
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| 530 | * @throws \PDOException |
||
| 531 | * @throws \Exception |
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| 532 | * @throws \Throwable |
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| 533 | */ |
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| 534 | public function getPDOStatement(string $sql, array $bind = [], bool $master = false, bool $procedure = false): PDOStatement |
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| 535 | { |
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| 536 | $this->initConnect($this->readMaster ?: $master); |
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| 537 | |||
| 538 | // 记录SQL语句 |
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| 539 | $this->queryStr = $sql; |
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| 540 | |||
| 541 | $this->bind = $bind; |
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| 542 | |||
| 543 | $this->db->updateQueryTimes(); |
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| 544 | |||
| 545 | try { |
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| 546 | // 调试开始 |
||
| 547 | $this->debug(true); |
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| 548 | |||
| 549 | // 预处理 |
||
| 550 | $this->PDOStatement = $this->linkID->prepare($sql); |
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| 551 | |||
| 552 | // 参数绑定 |
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| 553 | if ($procedure) { |
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| 554 | $this->bindParam($bind); |
||
| 555 | } else { |
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| 556 | $this->bindValue($bind); |
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| 557 | } |
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| 558 | |||
| 559 | // 执行查询 |
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| 560 | $this->PDOStatement->execute(); |
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| 561 | |||
| 562 | // 调试结束 |
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| 563 | $this->debug(false, '', $master); |
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| 564 | |||
| 565 | return $this->PDOStatement; |
||
| 566 | } catch (\Throwable | \Exception $e) { |
||
| 567 | if ($this->isBreak($e)) { |
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| 568 | return $this->close()->getPDOStatement($sql, $bind, $master, $procedure); |
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| 569 | } |
||
| 570 | |||
| 571 | if ($e instanceof \PDOException) { |
||
| 572 | throw new PDOException($e, $this->config, $this->getLastsql()); |
||
| 573 | } else { |
||
| 574 | throw $e; |
||
| 575 | } |
||
| 576 | } |
||
| 577 | } |
||
| 578 | |||
| 579 | /** |
||
| 580 | * 执行语句 |
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| 581 | * @access public |
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| 582 | * @param Query $query 查询对象 |
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| 583 | * @param string $sql sql指令 |
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| 584 | * @param array $bind 参数绑定 |
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| 585 | * @param bool $origin 是否原生查询 |
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| 586 | * @return int |
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| 587 | * @throws BindParamException |
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| 588 | * @throws \PDOException |
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| 589 | * @throws \Exception |
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| 590 | * @throws \Throwable |
||
| 591 | */ |
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| 592 | public function execute(Query $query, string $sql, array $bind = [], bool $origin = false): int |
||
| 593 | { |
||
| 594 | if ($origin) { |
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| 595 | $query->parseOptions(); |
||
| 596 | } |
||
| 597 | |||
| 598 | $this->queryPDOStatement($query->master(true), $sql, $bind); |
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| 599 | |||
| 600 | if (!$origin && !empty($this->config['deploy']) && !empty($this->config['read_master'])) { |
||
| 601 | $this->readMaster = true; |
||
| 602 | } |
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| 603 | |||
| 604 | $this->numRows = $this->PDOStatement->rowCount(); |
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| 605 | |||
| 606 | if ($query->getOptions('cache')) { |
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| 607 | // 清理缓存数据 |
||
| 608 | $cacheItem = $this->parseCache($query, $query->getOptions('cache'), $sql); |
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| 609 | $key = $cacheItem->getKey(); |
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| 610 | $tag = $cacheItem->getTag(); |
||
| 611 | |||
| 612 | if (isset($key) && $this->cache->get($key)) { |
||
| 613 | $this->cache->delete($key); |
||
| 614 | } elseif (!empty($tag)) { |
||
| 615 | $this->cache->tag($tag)->clear(); |
||
| 616 | } |
||
| 617 | } |
||
| 618 | |||
| 619 | return $this->numRows; |
||
| 620 | } |
||
| 621 | |||
| 622 | protected function queryPDOStatement(Query $query, string $sql, array $bind = []): PDOStatement |
||
| 623 | { |
||
| 624 | $options = $query->getOptions(); |
||
| 625 | $master = !empty($options['master']) ? true : false; |
||
| 626 | $procedure = !empty($options['procedure']) ? true : in_array(strtolower(substr(trim($sql), 0, 4)), ['call', 'exec']); |
||
| 627 | |||
| 628 | return $this->getPDOStatement($sql, $bind, $master, $procedure); |
||
| 629 | } |
||
| 630 | |||
| 631 | /** |
||
| 632 | * 查找单条记录 |
||
| 633 | * @access public |
||
| 634 | * @param Query $query 查询对象 |
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| 635 | * @return array |
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| 636 | * @throws DbException |
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| 637 | * @throws ModelNotFoundException |
||
| 638 | * @throws DataNotFoundException |
||
| 639 | */ |
||
| 640 | public function find(Query $query): array |
||
| 641 | { |
||
| 642 | // 事件回调 |
||
| 643 | $result = $this->db->trigger('before_find', $query); |
||
| 644 | |||
| 645 | if (!$result) { |
||
| 646 | // 执行查询 |
||
| 647 | $resultSet = $this->query($query, function ($query) { |
||
| 648 | return $this->builder->select($query, true); |
||
| 649 | }); |
||
| 650 | |||
| 651 | $result = $resultSet[0] ?? []; |
||
| 652 | } |
||
| 653 | |||
| 654 | return $result; |
||
| 655 | } |
||
| 656 | |||
| 657 | /** |
||
| 658 | * 使用游标查询记录 |
||
| 659 | * @access public |
||
| 660 | * @param Query $query 查询对象 |
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| 661 | * @return \Generator |
||
| 662 | */ |
||
| 663 | public function cursor(Query $query) |
||
| 664 | { |
||
| 665 | // 分析查询表达式 |
||
| 666 | $options = $query->parseOptions(); |
||
| 667 | |||
| 668 | // 生成查询SQL |
||
| 669 | $sql = $this->builder->select($query); |
||
| 670 | |||
| 671 | $condition = $options['where']['AND'] ?? null; |
||
| 672 | |||
| 673 | // 执行查询操作 |
||
| 674 | return $this->getCursor($query, $sql, $query->getBind(), $query->getModel(), $condition); |
||
| 675 | } |
||
| 676 | |||
| 677 | /** |
||
| 678 | * 查找记录 |
||
| 679 | * @access public |
||
| 680 | * @param Query $query 查询对象 |
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| 681 | * @return array |
||
| 682 | * @throws DbException |
||
| 683 | * @throws ModelNotFoundException |
||
| 684 | * @throws DataNotFoundException |
||
| 685 | */ |
||
| 686 | public function select(Query $query): array |
||
| 687 | { |
||
| 688 | $resultSet = $this->db->trigger('before_select', $query); |
||
| 689 | |||
| 690 | if (!$resultSet) { |
||
| 691 | // 执行查询操作 |
||
| 692 | $resultSet = $this->query($query, function ($query) { |
||
| 693 | return $this->builder->select($query); |
||
| 694 | }); |
||
| 695 | } |
||
| 696 | |||
| 697 | return $resultSet; |
||
| 698 | } |
||
| 699 | |||
| 700 | /** |
||
| 701 | * 插入记录 |
||
| 702 | * @access public |
||
| 703 | * @param Query $query 查询对象 |
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| 704 | * @param boolean $getLastInsID 返回自增主键 |
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| 705 | * @return mixed |
||
| 706 | */ |
||
| 707 | public function insert(Query $query, bool $getLastInsID = false) |
||
| 708 | { |
||
| 709 | // 分析查询表达式 |
||
| 710 | $options = $query->parseOptions(); |
||
| 711 | |||
| 712 | // 生成SQL语句 |
||
| 713 | $sql = $this->builder->insert($query); |
||
| 714 | |||
| 715 | // 执行操作 |
||
| 716 | $result = '' == $sql ? 0 : $this->execute($query, $sql, $query->getBind()); |
||
| 717 | |||
| 718 | if ($result) { |
||
| 719 | $sequence = $options['sequence'] ?? null; |
||
| 720 | $lastInsId = $query->getLastInsID($sequence); |
||
| 721 | |||
| 722 | $data = $options['data']; |
||
| 723 | |||
| 724 | if ($lastInsId) { |
||
| 725 | $pk = $query->getPk(); |
||
| 726 | if (is_string($pk)) { |
||
| 727 | $data[$pk] = $lastInsId; |
||
| 728 | } |
||
| 729 | } |
||
| 730 | |||
| 731 | $query->setOption('data', $data); |
||
| 732 | |||
| 733 | $this->db->trigger('after_insert', $query); |
||
| 734 | |||
| 735 | if ($getLastInsID) { |
||
| 736 | return $lastInsId; |
||
| 737 | } |
||
| 738 | } |
||
| 739 | |||
| 740 | return $result; |
||
| 741 | } |
||
| 742 | |||
| 743 | /** |
||
| 744 | * 批量插入记录 |
||
| 745 | * @access public |
||
| 746 | * @param Query $query 查询对象 |
||
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|||
| 747 | * @param mixed $dataSet 数据集 |
||
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|||
| 748 | * @param integer $limit 每次写入数据限制 |
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| 749 | * @return integer |
||
| 750 | * @throws \Exception |
||
| 751 | * @throws \Throwable |
||
| 752 | */ |
||
| 753 | public function insertAll(Query $query, array $dataSet = [], int $limit = 0): int |
||
| 754 | { |
||
| 755 | if (!is_array(reset($dataSet))) { |
||
| 756 | return 0; |
||
| 757 | } |
||
| 758 | |||
| 759 | $query->parseOptions(); |
||
| 760 | |||
| 761 | if ($limit) { |
||
| 762 | // 分批写入 自动启动事务支持 |
||
| 763 | $this->startTrans(); |
||
| 764 | |||
| 765 | try { |
||
| 766 | $array = array_chunk($dataSet, $limit, true); |
||
| 767 | $count = 0; |
||
| 768 | |||
| 769 | foreach ($array as $item) { |
||
| 770 | $sql = $this->builder->insertAll($query, $item); |
||
| 771 | $count += $this->execute($query, $sql, $query->getBind()); |
||
| 772 | } |
||
| 773 | |||
| 774 | // 提交事务 |
||
| 775 | $this->commit(); |
||
| 776 | } catch (\Exception | \Throwable $e) { |
||
| 777 | $this->rollback(); |
||
| 778 | throw $e; |
||
| 779 | } |
||
| 780 | |||
| 781 | return $count; |
||
| 782 | } |
||
| 783 | |||
| 784 | $sql = $this->builder->insertAll($query, $dataSet); |
||
| 785 | |||
| 786 | return $this->execute($query, $sql, $query->getBind()); |
||
| 787 | } |
||
| 788 | |||
| 789 | /** |
||
| 790 | * 通过Select方式插入记录 |
||
| 791 | * @access public |
||
| 792 | * @param Query $query 查询对象 |
||
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|||
| 793 | * @param array $fields 要插入的数据表字段名 |
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|||
| 794 | * @param string $table 要插入的数据表名 |
||
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|||
| 795 | * @return integer |
||
| 796 | * @throws PDOException |
||
| 797 | */ |
||
| 798 | public function selectInsert(Query $query, array $fields, string $table): int |
||
| 799 | { |
||
| 800 | // 分析查询表达式 |
||
| 801 | $query->parseOptions(); |
||
| 802 | |||
| 803 | $sql = $this->builder->selectInsert($query, $fields, $table); |
||
| 804 | |||
| 805 | return $this->execute($query, $sql, $query->getBind()); |
||
| 806 | } |
||
| 807 | |||
| 808 | /** |
||
| 809 | * 更新记录 |
||
| 810 | * @access public |
||
| 811 | * @param Query $query 查询对象 |
||
|
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|||
| 812 | * @return integer |
||
| 813 | * @throws Exception |
||
| 814 | * @throws PDOException |
||
| 815 | */ |
||
| 816 | public function update(Query $query): int |
||
| 817 | { |
||
| 818 | $query->parseOptions(); |
||
| 819 | |||
| 820 | // 生成UPDATE SQL语句 |
||
| 821 | $sql = $this->builder->update($query); |
||
| 822 | |||
| 823 | // 执行操作 |
||
| 824 | $result = '' == $sql ? 0 : $this->execute($query, $sql, $query->getBind()); |
||
| 825 | |||
| 826 | if ($result) { |
||
| 827 | $this->db->trigger('after_update', $query); |
||
| 828 | } |
||
| 829 | |||
| 830 | return $result; |
||
| 831 | } |
||
| 832 | |||
| 833 | /** |
||
| 834 | * 删除记录 |
||
| 835 | * @access public |
||
| 836 | * @param Query $query 查询对象 |
||
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|||
| 837 | * @return int |
||
| 838 | * @throws Exception |
||
| 839 | * @throws PDOException |
||
| 840 | */ |
||
| 841 | public function delete(Query $query): int |
||
| 842 | { |
||
| 843 | // 分析查询表达式 |
||
| 844 | $query->parseOptions(); |
||
| 845 | |||
| 846 | // 生成删除SQL语句 |
||
| 847 | $sql = $this->builder->delete($query); |
||
| 848 | |||
| 849 | // 执行操作 |
||
| 850 | $result = $this->execute($query, $sql, $query->getBind()); |
||
| 851 | |||
| 852 | if ($result) { |
||
| 853 | $this->db->trigger('after_delete', $query); |
||
| 854 | } |
||
| 855 | |||
| 856 | return $result; |
||
| 857 | } |
||
| 858 | |||
| 859 | /** |
||
| 860 | * 得到某个字段的值 |
||
| 861 | * @access public |
||
| 862 | * @param Query $query 查询对象 |
||
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|||
| 863 | * @param string $field 字段名 |
||
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|||
| 864 | * @param mixed $default 默认值 |
||
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|||
| 865 | * @param bool $one 返回一个值 |
||
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|||
| 866 | * @return mixed |
||
| 867 | */ |
||
| 868 | public function value(Query $query, string $field, $default = null, bool $one = true) |
||
| 869 | { |
||
| 870 | $options = $query->parseOptions(); |
||
| 871 | |||
| 872 | if (isset($options['field'])) { |
||
| 873 | $query->removeOption('field'); |
||
| 874 | } |
||
| 875 | |||
| 876 | $query->setOption('field', (array) $field); |
||
| 877 | |||
| 878 | if (!empty($options['cache'])) { |
||
| 879 | $cacheItem = $this->parseCache($query, $options['cache']); |
||
| 880 | $result = $this->cache->get($cacheItem->getKey()); |
||
| 881 | |||
| 882 | if (false !== $result) { |
||
| 883 | return $result; |
||
| 884 | } |
||
| 885 | } |
||
| 886 | |||
| 887 | // 生成查询SQL |
||
| 888 | $sql = $this->builder->select($query, $one); |
||
| 889 | |||
| 890 | if (isset($options['field'])) { |
||
| 891 | $query->setOption('field', $options['field']); |
||
| 892 | } else { |
||
| 893 | $query->removeOption('field'); |
||
| 894 | } |
||
| 895 | |||
| 896 | // 执行查询操作 |
||
| 897 | $pdo = $this->getPDOStatement($sql, $query->getBind(), $options['master']); |
||
| 898 | |||
| 899 | $result = $pdo->fetchColumn(); |
||
| 900 | |||
| 901 | if (isset($cacheItem) && false !== $result) { |
||
| 902 | // 缓存数据 |
||
| 903 | $cacheItem->set($result); |
||
| 904 | $this->cacheData($cacheItem); |
||
| 905 | } |
||
| 906 | |||
| 907 | return false !== $result ? $result : $default; |
||
| 908 | } |
||
| 909 | |||
| 910 | /** |
||
| 911 | * 得到某个字段的值 |
||
| 912 | * @access public |
||
| 913 | * @param Query $query 查询对象 |
||
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|||
| 914 | * @param string $aggregate 聚合方法 |
||
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|||
| 915 | * @param mixed $field 字段名 |
||
|
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|||
| 916 | * @param bool $force 强制转为数字类型 |
||
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|||
| 917 | * @return mixed |
||
| 918 | */ |
||
| 919 | public function aggregate(Query $query, string $aggregate, $field, bool $force = false) |
||
| 920 | { |
||
| 921 | if (is_string($field) && 0 === stripos($field, 'DISTINCT ')) { |
||
| 922 | list($distinct, $field) = explode(' ', $field); |
||
| 923 | } |
||
| 924 | |||
| 925 | $field = $aggregate . '(' . (!empty($distinct) ? 'DISTINCT ' : '') . $this->builder->parseKey($query, $field, true) . ') AS tp_' . strtolower($aggregate); |
||
| 926 | |||
| 927 | $result = $this->value($query, $field, 0, false); |
||
| 928 | |||
| 929 | return $force ? (float) $result : $result; |
||
| 930 | } |
||
| 931 | |||
| 932 | /** |
||
| 933 | * 得到某个列的数组 |
||
| 934 | * @access public |
||
| 935 | * @param Query $query 查询对象 |
||
|
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|||
| 936 | * @param string $column 字段名 多个字段用逗号分隔 |
||
|
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|||
| 937 | * @param string $key 索引 |
||
|
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|||
| 938 | * @return array |
||
| 939 | */ |
||
| 940 | public function column(Query $query, string $column, string $key = ''): array |
||
| 941 | { |
||
| 942 | $options = $query->parseOptions(); |
||
| 943 | |||
| 944 | if (isset($options['field'])) { |
||
| 945 | $query->removeOption('field'); |
||
| 946 | } |
||
| 947 | |||
| 948 | if ($key && '*' != $column) { |
||
| 949 | $field = $key . ',' . $column; |
||
| 950 | } else { |
||
| 951 | $field = $column; |
||
| 952 | } |
||
| 953 | |||
| 954 | $field = array_map('trim', explode(',', $field)); |
||
| 955 | |||
| 956 | $query->setOption('field', $field); |
||
| 957 | |||
| 958 | if (!empty($options['cache'])) { |
||
| 959 | // 判断查询缓存 |
||
| 960 | $cacheItem = $this->parseCache($query, $options['cache']); |
||
| 961 | $result = $this->cache->get($cacheItem->getKey()); |
||
| 962 | |||
| 963 | if (false !== $result) { |
||
| 964 | return $result; |
||
| 965 | } |
||
| 966 | } |
||
| 967 | |||
| 968 | // 生成查询SQL |
||
| 969 | $sql = $this->builder->select($query); |
||
| 970 | |||
| 971 | if (isset($options['field'])) { |
||
| 972 | $query->setOption('field', $options['field']); |
||
| 973 | } else { |
||
| 974 | $query->removeOption('field'); |
||
| 975 | } |
||
| 976 | |||
| 977 | // 执行查询操作 |
||
| 978 | $pdo = $this->getPDOStatement($sql, $query->getBind(), $options['master']); |
||
| 979 | |||
| 980 | $resultSet = $pdo->fetchAll(PDO::FETCH_ASSOC); |
||
| 981 | |||
| 982 | if (empty($resultSet)) { |
||
| 983 | $result = []; |
||
| 984 | } elseif (('*' == $column || strpos($column, ',')) && $key) { |
||
| 985 | $result = array_column($resultSet, null, $key); |
||
| 986 | } else { |
||
| 987 | $fields = array_keys($resultSet[0]); |
||
| 988 | $key = $key ?: array_shift($fields); |
||
| 989 | |||
| 990 | if (strpos($key, '.')) { |
||
| 991 | list($alias, $key) = explode('.', $key); |
||
| 992 | } |
||
| 993 | |||
| 994 | $result = array_column($resultSet, $column, $key); |
||
| 995 | } |
||
| 996 | |||
| 997 | if (isset($cacheItem)) { |
||
| 998 | // 缓存数据 |
||
| 999 | $cacheItem->set($result); |
||
| 1000 | $this->cacheData($cacheItem); |
||
| 1001 | } |
||
| 1002 | |||
| 1003 | return $result; |
||
| 1004 | } |
||
| 1005 | |||
| 1006 | /** |
||
| 1007 | * 根据参数绑定组装最终的SQL语句 便于调试 |
||
| 1008 | * @access public |
||
| 1009 | * @param string $sql 带参数绑定的sql语句 |
||
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|||
| 1010 | * @param array $bind 参数绑定列表 |
||
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|||
| 1011 | * @return string |
||
| 1012 | */ |
||
| 1013 | public function getRealSql(string $sql, array $bind = []): string |
||
| 1014 | { |
||
| 1015 | foreach ($bind as $key => $val) { |
||
| 1016 | $value = is_array($val) ? $val[0] : $val; |
||
| 1017 | $type = is_array($val) ? $val[1] : PDO::PARAM_STR; |
||
| 1018 | |||
| 1019 | if ((self::PARAM_FLOAT == $type || PDO::PARAM_STR == $type) && is_string($value)) { |
||
| 1020 | $value = '\'' . addslashes($value) . '\''; |
||
| 1021 | } elseif (PDO::PARAM_INT == $type && '' === $value) { |
||
| 1022 | $value = 0; |
||
| 1023 | } |
||
| 1024 | |||
| 1025 | // 判断占位符 |
||
| 1026 | $sql = is_numeric($key) ? |
||
| 1027 | substr_replace($sql, $value, strpos($sql, '?'), 1) : |
||
| 1028 | substr_replace($sql, $value, strpos($sql, ':' . $key), strlen(':' . $key)); |
||
| 1029 | } |
||
| 1030 | |||
| 1031 | return rtrim($sql); |
||
| 1032 | } |
||
| 1033 | |||
| 1034 | /** |
||
| 1035 | * 参数绑定 |
||
| 1036 | * 支持 ['name'=>'value','id'=>123] 对应命名占位符 |
||
| 1037 | * 或者 ['value',123] 对应问号占位符 |
||
| 1038 | * @access public |
||
| 1039 | * @param array $bind 要绑定的参数列表 |
||
|
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|||
| 1040 | * @return void |
||
| 1041 | * @throws BindParamException |
||
| 1042 | */ |
||
| 1043 | protected function bindValue(array $bind = []): void |
||
| 1044 | { |
||
| 1045 | foreach ($bind as $key => $val) { |
||
| 1046 | // 占位符 |
||
| 1047 | $param = is_numeric($key) ? $key + 1 : ':' . $key; |
||
| 1048 | |||
| 1049 | if (is_array($val)) { |
||
| 1050 | if (PDO::PARAM_INT == $val[1] && '' === $val[0]) { |
||
| 1051 | $val[0] = 0; |
||
| 1052 | } elseif (self::PARAM_FLOAT == $val[1]) { |
||
| 1053 | $val[0] = is_string($val[0]) ? (float) $val[0] : $val[0]; |
||
| 1054 | $val[1] = PDO::PARAM_STR; |
||
| 1055 | } |
||
| 1056 | |||
| 1057 | $result = $this->PDOStatement->bindValue($param, $val[0], $val[1]); |
||
| 1058 | } else { |
||
| 1059 | $result = $this->PDOStatement->bindValue($param, $val); |
||
| 1060 | } |
||
| 1061 | |||
| 1062 | if (!$result) { |
||
| 1063 | throw new BindParamException( |
||
| 1064 | "Error occurred when binding parameters '{$param}'", |
||
| 1065 | $this->config, |
||
| 1066 | $this->getLastsql(), |
||
| 1067 | $bind |
||
| 1068 | ); |
||
| 1069 | } |
||
| 1070 | } |
||
| 1071 | } |
||
| 1072 | |||
| 1073 | /** |
||
| 1074 | * 存储过程的输入输出参数绑定 |
||
| 1075 | * @access public |
||
| 1076 | * @param array $bind 要绑定的参数列表 |
||
|
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|||
| 1077 | * @return void |
||
| 1078 | * @throws BindParamException |
||
| 1079 | */ |
||
| 1080 | protected function bindParam(array $bind): void |
||
| 1081 | { |
||
| 1082 | foreach ($bind as $key => $val) { |
||
| 1083 | $param = is_numeric($key) ? $key + 1 : ':' . $key; |
||
| 1084 | |||
| 1085 | if (is_array($val)) { |
||
| 1086 | array_unshift($val, $param); |
||
| 1087 | $result = call_user_func_array([$this->PDOStatement, 'bindParam'], $val); |
||
| 1088 | } else { |
||
| 1089 | $result = $this->PDOStatement->bindValue($param, $val); |
||
| 1090 | } |
||
| 1091 | |||
| 1092 | if (!$result) { |
||
| 1093 | $param = array_shift($val); |
||
| 1094 | |||
| 1095 | throw new BindParamException( |
||
| 1096 | "Error occurred when binding parameters '{$param}'", |
||
| 1097 | $this->config, |
||
| 1098 | $this->getLastsql(), |
||
| 1099 | $bind |
||
| 1100 | ); |
||
| 1101 | } |
||
| 1102 | } |
||
| 1103 | } |
||
| 1104 | |||
| 1105 | /** |
||
| 1106 | * 获得数据集数组 |
||
| 1107 | * @access protected |
||
| 1108 | * @param bool $procedure 是否存储过程 |
||
|
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|||
| 1109 | * @return array |
||
| 1110 | */ |
||
| 1111 | protected function getResult(bool $procedure = false): array |
||
| 1112 | { |
||
| 1113 | if ($procedure) { |
||
| 1114 | // 存储过程返回结果 |
||
| 1115 | return $this->procedure(); |
||
| 1116 | } |
||
| 1117 | |||
| 1118 | $result = $this->PDOStatement->fetchAll($this->fetchType); |
||
| 1119 | |||
| 1120 | $this->numRows = count($result); |
||
| 1121 | |||
| 1122 | return $result; |
||
| 1123 | } |
||
| 1124 | |||
| 1125 | /** |
||
| 1126 | * 获得存储过程数据集 |
||
| 1127 | * @access protected |
||
| 1128 | * @return array |
||
| 1129 | */ |
||
| 1130 | protected function procedure(): array |
||
| 1131 | { |
||
| 1132 | $item = []; |
||
| 1133 | |||
| 1134 | do { |
||
| 1135 | $result = $this->getResult(); |
||
| 1136 | if (!empty($result)) { |
||
| 1137 | $item[] = $result; |
||
| 1138 | } |
||
| 1139 | } while ($this->PDOStatement->nextRowset()); |
||
| 1140 | |||
| 1141 | $this->numRows = count($item); |
||
| 1142 | |||
| 1143 | return $item; |
||
| 1144 | } |
||
| 1145 | |||
| 1146 | /** |
||
| 1147 | * 执行数据库事务 |
||
| 1148 | * @access public |
||
| 1149 | * @param callable $callback 数据操作方法回调 |
||
| 1150 | * @return mixed |
||
| 1151 | * @throws PDOException |
||
| 1152 | * @throws \Exception |
||
| 1153 | * @throws \Throwable |
||
| 1154 | */ |
||
| 1155 | public function transaction(callable $callback) |
||
| 1156 | { |
||
| 1157 | $this->startTrans(); |
||
| 1158 | |||
| 1159 | try { |
||
| 1160 | $result = null; |
||
| 1161 | if (is_callable($callback)) { |
||
| 1162 | $result = $callback($this); |
||
| 1163 | } |
||
| 1164 | |||
| 1165 | $this->commit(); |
||
| 1166 | return $result; |
||
| 1167 | } catch (\Exception | \Throwable $e) { |
||
| 1168 | $this->rollback(); |
||
| 1169 | throw $e; |
||
| 1170 | } |
||
| 1171 | } |
||
| 1172 | |||
| 1173 | /** |
||
| 1174 | * 启动事务 |
||
| 1175 | * @access public |
||
| 1176 | * @return void |
||
| 1177 | * @throws \PDOException |
||
| 1178 | * @throws \Exception |
||
| 1179 | */ |
||
| 1180 | public function startTrans(): void |
||
| 1181 | { |
||
| 1182 | $this->initConnect(true); |
||
| 1183 | |||
| 1184 | ++$this->transTimes; |
||
| 1185 | |||
| 1186 | try { |
||
| 1187 | if (1 == $this->transTimes) { |
||
| 1188 | $this->linkID->beginTransaction(); |
||
| 1189 | } elseif ($this->transTimes > 1 && $this->supportSavepoint()) { |
||
| 1190 | $this->linkID->exec( |
||
| 1191 | $this->parseSavepoint('trans' . $this->transTimes) |
||
| 1192 | ); |
||
| 1193 | } |
||
| 1194 | } catch (\Exception $e) { |
||
| 1195 | if ($this->isBreak($e)) { |
||
| 1196 | --$this->transTimes; |
||
| 1197 | $this->close()->startTrans(); |
||
| 1198 | } |
||
| 1199 | throw $e; |
||
| 1200 | } |
||
| 1201 | } |
||
| 1202 | |||
| 1203 | /** |
||
| 1204 | * 用于非自动提交状态下面的查询提交 |
||
| 1205 | * @access public |
||
| 1206 | * @return void |
||
| 1207 | * @throws PDOException |
||
| 1208 | */ |
||
| 1209 | public function commit(): void |
||
| 1210 | { |
||
| 1211 | $this->initConnect(true); |
||
| 1212 | |||
| 1213 | if (1 == $this->transTimes) { |
||
| 1214 | $this->linkID->commit(); |
||
| 1215 | } |
||
| 1216 | |||
| 1217 | --$this->transTimes; |
||
| 1218 | } |
||
| 1219 | |||
| 1220 | /** |
||
| 1221 | * 事务回滚 |
||
| 1222 | * @access public |
||
| 1223 | * @return void |
||
| 1224 | * @throws PDOException |
||
| 1225 | */ |
||
| 1226 | public function rollback(): void |
||
| 1227 | { |
||
| 1228 | $this->initConnect(true); |
||
| 1229 | |||
| 1230 | if (1 == $this->transTimes) { |
||
| 1231 | $this->linkID->rollBack(); |
||
| 1232 | } elseif ($this->transTimes > 1 && $this->supportSavepoint()) { |
||
| 1233 | $this->linkID->exec( |
||
| 1234 | $this->parseSavepointRollBack('trans' . $this->transTimes) |
||
| 1235 | ); |
||
| 1236 | } |
||
| 1237 | |||
| 1238 | $this->transTimes = max(0, $this->transTimes - 1); |
||
| 1239 | } |
||
| 1240 | |||
| 1241 | /** |
||
| 1242 | * 是否支持事务嵌套 |
||
| 1243 | * @return bool |
||
| 1244 | */ |
||
| 1245 | protected function supportSavepoint(): bool |
||
| 1246 | { |
||
| 1247 | return false; |
||
| 1248 | } |
||
| 1249 | |||
| 1250 | /** |
||
| 1251 | * 生成定义保存点的SQL |
||
| 1252 | * @access protected |
||
| 1253 | * @param string $name 标识 |
||
|
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|||
| 1254 | * @return string |
||
| 1255 | */ |
||
| 1256 | protected function parseSavepoint(string $name): string |
||
| 1257 | { |
||
| 1258 | return 'SAVEPOINT ' . $name; |
||
| 1259 | } |
||
| 1260 | |||
| 1261 | /** |
||
| 1262 | * 生成回滚到保存点的SQL |
||
| 1263 | * @access protected |
||
| 1264 | * @param string $name 标识 |
||
|
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|
|||
| 1265 | * @return string |
||
| 1266 | */ |
||
| 1267 | protected function parseSavepointRollBack(string $name): string |
||
| 1270 | } |
||
| 1271 | |||
| 1272 | /** |
||
| 1273 | * 批处理执行SQL语句 |
||
| 1274 | * 批处理的指令都认为是execute操作 |
||
| 1275 | * @access public |
||
| 1276 | * @param Query $query 查询对象 |
||
|
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|
|||
| 1277 | * @param array $sqlArray SQL批处理指令 |
||
|
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|
|||
| 1278 | * @param array $bind 参数绑定 |
||
|
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|
|||
| 1279 | * @return bool |
||
| 1280 | */ |
||
| 1281 | public function batchQuery(Query $query, array $sqlArray = [], array $bind = []): bool |
||
| 1282 | { |
||
| 1283 | // 自动启动事务支持 |
||
| 1284 | $this->startTrans(); |
||
| 1285 | |||
| 1286 | try { |
||
| 1287 | foreach ($sqlArray as $sql) { |
||
| 1288 | $this->execute($query, $sql, $bind); |
||
| 1289 | } |
||
| 1290 | // 提交事务 |
||
| 1291 | $this->commit(); |
||
| 1292 | } catch (\Exception $e) { |
||
| 1293 | $this->rollback(); |
||
| 1294 | throw $e; |
||
| 1295 | } |
||
| 1296 | |||
| 1297 | return true; |
||
| 1298 | } |
||
| 1299 | |||
| 1300 | /** |
||
| 1301 | * 关闭数据库（或者重新连接） |
||
| 1302 | * @access public |
||
| 1303 | * @return $this |
||
| 1304 | */ |
||
| 1305 | public function close() |
||
| 1306 | { |
||
| 1307 | $this->linkID = null; |
||
| 1308 | $this->linkWrite = null; |
||
| 1309 | $this->linkRead = null; |
||
| 1310 | $this->links = []; |
||
| 1311 | |||
| 1312 | $this->free(); |
||
| 1313 | |||
| 1314 | return $this; |
||
| 1315 | } |
||
| 1316 | |||
| 1317 | /** |
||
| 1318 | * 是否断线 |
||
| 1319 | * @access protected |
||
| 1320 | * @param \PDOException|\Exception $e 异常对象 |
||
|
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|||
| 1321 | * @return bool |
||
| 1322 | */ |
||
| 1323 | protected function isBreak($e): bool |
||
| 1324 | { |
||
| 1325 | if (!$this->config['break_reconnect']) { |
||
| 1326 | return false; |
||
| 1327 | } |
||
| 1328 | |||
| 1329 | $error = $e->getMessage(); |
||
| 1330 | |||
| 1331 | foreach ($this->breakMatchStr as $msg) { |
||
| 1332 | if (false !== stripos($error, $msg)) { |
||
| 1333 | return true; |
||
| 1334 | } |
||
| 1335 | } |
||
| 1336 | |||
| 1337 | return false; |
||
| 1338 | } |
||
| 1339 | |||
| 1340 | /** |
||
| 1341 | * 获取最近一次查询的sql语句 |
||
| 1342 | * @access public |
||
| 1343 | * @return string |
||
| 1344 | */ |
||
| 1345 | public function getLastSql(): string |
||
| 1346 | { |
||
| 1347 | return $this->getRealSql($this->queryStr, $this->bind); |
||
| 1348 | } |
||
| 1349 | |||
| 1350 | /** |
||
| 1351 | * 获取最近插入的ID |
||
| 1352 | * @access public |
||
| 1353 | * @param string $sequence 自增序列名 |
||
|
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|||
| 1354 | * @return string |
||
| 1355 | */ |
||
| 1356 | public function getLastInsID(string $sequence = null): string |
||
| 1357 | { |
||
| 1358 | return $this->linkID->lastInsertId($sequence); |
||
| 1359 | } |
||
| 1360 | |||
| 1361 | /** |
||
| 1362 | * 获取返回或者影响的记录数 |
||
| 1363 | * @access public |
||
| 1364 | * @return integer |
||
| 1365 | */ |
||
| 1366 | public function getNumRows(): int |
||
| 1367 | { |
||
| 1368 | return $this->numRows; |
||
| 1369 | } |
||
| 1370 | |||
| 1371 | /** |
||
| 1372 | * 获取最近的错误信息 |
||
| 1373 | * @access public |
||
| 1374 | * @return string |
||
| 1375 | */ |
||
| 1376 | public function getError(): string |
||
| 1377 | { |
||
| 1378 | if ($this->PDOStatement) { |
||
| 1379 | $error = $this->PDOStatement->errorInfo(); |
||
| 1380 | $error = $error[1] . ':' . $error[2]; |
||
| 1381 | } else { |
||
| 1382 | $error = ''; |
||
| 1383 | } |
||
| 1384 | |||
| 1385 | if ('' != $this->queryStr) { |
||
| 1386 | $error .= "\n [ SQL语句 ] : " . $this->getLastsql(); |
||
| 1387 | } |
||
| 1388 | |||
| 1389 | return $error; |
||
| 1390 | } |
||
| 1391 | |||
| 1392 | /** |
||
| 1393 | * 数据库调试 记录当前SQL及分析性能 |
||
| 1394 | * @access protected |
||
| 1395 | * @param boolean $start 调试开始标记 true 开始 false 结束 |
||
|
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|||
| 1396 | * @param string $sql 执行的SQL语句 留空自动获取 |
||
|
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|||
| 1397 | * @param bool $master 主从标记 |
||
|
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|||
| 1398 | * @return void |
||
| 1399 | */ |
||
| 1400 | protected function debug(bool $start, string $sql = '', bool $master = false): void |
||
| 1401 | { |
||
| 1402 | if (!empty($this->config['debug'])) { |
||
| 1403 | // 开启数据库调试模式 |
||
| 1404 | if ($start) { |
||
| 1405 | $this->queryStartTime = microtime(true); |
||
| 1406 | } else { |
||
| 1407 | // 记录操作结束时间 |
||
| 1408 | $runtime = number_format((microtime(true) - $this->queryStartTime), 6); |
||
| 1409 | $sql = $sql ?: $this->getLastsql(); |
||
| 1410 | $result = []; |
||
| 1411 | |||
| 1412 | // SQL性能分析 |
||
| 1413 | if ($this->config['sql_explain'] && 0 === stripos(trim($sql), 'select')) { |
||
| 1414 | $result = $this->getExplain($sql); |
||
| 1415 | } |
||
| 1416 | |||
| 1417 | // SQL监听 |
||
| 1418 | $this->triggerSql($sql, $runtime, $result, $master); |
||
| 1419 | } |
||
| 1420 | } |
||
| 1421 | } |
||
| 1422 | |||
| 1423 | /** |
||
| 1424 | * 触发SQL事件 |
||
| 1425 | * @access protected |
||
| 1426 | * @param string $sql SQL语句 |
||
|
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|||
| 1427 | * @param string $runtime SQL运行时间 |
||
|
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|
|||
| 1428 | * @param mixed $explain SQL分析 |
||
|
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|||
| 1429 | * @param bool $master 主从标记 |
||
|
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|||
| 1430 | * @return void |
||
| 1431 | */ |
||
| 1432 | protected function triggerSql(string $sql, string $runtime, array $explain = [], bool $master = false): void |
||
| 1433 | { |
||
| 1434 | $listen = $this->db->getListen(); |
||
| 1435 | if (!empty($listen)) { |
||
| 1436 | foreach ($listen as $callback) { |
||
| 1437 | if (is_callable($callback)) { |
||
| 1438 | $callback($sql, $runtime, $explain, $master); |
||
| 1439 | } |
||
| 1440 | } |
||
| 1441 | } else { |
||
| 1442 | if ($this->config['deploy']) { |
||
| 1443 | // 分布式记录当前操作的主从 |
||
| 1444 | $master = $master ? 'master|' : 'slave|'; |
||
| 1445 | } else { |
||
| 1446 | $master = ''; |
||
| 1447 | } |
||
| 1448 | |||
| 1449 | // 未注册监听则记录到日志中 |
||
| 1450 | $this->log('[ SQL ] ' . $sql . ' [ ' . $master . 'RunTime:' . $runtime . 's ]'); |
||
| 1451 | |||
| 1452 | if (!empty($explain)) { |
||
| 1453 | $this->log('[ EXPLAIN : ' . var_export($explain, true) . ' ]'); |
||
| 1454 | } |
||
| 1455 | } |
||
| 1456 | } |
||
| 1457 | |||
| 1458 | /** |
||
| 1459 | * 初始化数据库连接 |
||
| 1460 | * @access protected |
||
| 1461 | * @param boolean $master 是否主服务器 |
||
|
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|||
| 1462 | * @return void |
||
| 1463 | */ |
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| 1464 | protected function initConnect(bool $master = true): void |
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| 1465 | { |
||
| 1466 | if (!empty($this->config['deploy'])) { |
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| 1467 | // 采用分布式数据库 |
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| 1468 | if ($master || $this->transTimes) { |
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| 1469 | if (!$this->linkWrite) { |
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| 1470 | $this->linkWrite = $this->multiConnect(true); |
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| 1471 | } |
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| 1472 | |||
| 1473 | $this->linkID = $this->linkWrite; |
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| 1474 | } else { |
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| 1475 | if (!$this->linkRead) { |
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| 1476 | $this->linkRead = $this->multiConnect(false); |
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| 1477 | } |
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| 1478 | |||
| 1479 | $this->linkID = $this->linkRead; |
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| 1480 | } |
||
| 1481 | } elseif (!$this->linkID) { |
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| 1482 | // 默认单数据库 |
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| 1483 | $this->linkID = $this->connect(); |
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| 1484 | } |
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| 1485 | } |
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| 1486 | |||
| 1487 | /** |
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| 1488 | * 连接分布式服务器 |
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| 1489 | * @access protected |
||
| 1490 | * @param boolean $master 主服务器 |
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| 1491 | * @return PDO |
||
| 1492 | */ |
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| 1493 | protected function multiConnect(bool $master = false): PDO |
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| 1494 | { |
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| 1495 | $config = []; |
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| 1496 | |||
| 1497 | // 分布式数据库配置解析 |
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| 1498 | foreach (['username', 'password', 'hostname', 'hostport', 'database', 'dsn', 'charset'] as $name) { |
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| 1499 | $config[$name] = is_string($this->config[$name]) ? explode(',', $this->config[$name]) : $this->config[$name]; |
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| 1500 | } |
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| 1501 | |||
| 1502 | // 主服务器序号 |
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| 1503 | $m = floor(mt_rand(0, $this->config['master_num'] - 1)); |
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| 1504 | |||
| 1505 | if ($this->config['rw_separate']) { |
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| 1506 | // 主从式采用读写分离 |
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| 1507 | if ($master) // 主服务器写入 |
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| 1508 | { |
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| 1509 | $r = $m; |
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| 1510 | } elseif (is_numeric($this->config['slave_no'])) { |
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| 1511 | // 指定服务器读 |
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| 1512 | $r = $this->config['slave_no']; |
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| 1513 | } else { |
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| 1514 | // 读操作连接从服务器 每次随机连接的数据库 |
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| 1515 | $r = floor(mt_rand($this->config['master_num'], count($config['hostname']) - 1)); |
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| 1516 | } |
||
| 1517 | } else { |
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| 1518 | // 读写操作不区分服务器 每次随机连接的数据库 |
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| 1519 | $r = floor(mt_rand(0, count($config['hostname']) - 1)); |
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| 1520 | } |
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| 1521 | $dbMaster = false; |
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| 1522 | |||
| 1523 | if ($m != $r) { |
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| 1524 | $dbMaster = []; |
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| 1525 | foreach (['username', 'password', 'hostname', 'hostport', 'database', 'dsn', 'charset'] as $name) { |
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| 1526 | $dbMaster[$name] = $config[$name][$m] ?? $config[$name][0]; |
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| 1527 | } |
||
| 1528 | } |
||
| 1529 | |||
| 1530 | $dbConfig = []; |
||
| 1531 | |||
| 1532 | foreach (['username', 'password', 'hostname', 'hostport', 'database', 'dsn', 'charset'] as $name) { |
||
| 1533 | $dbConfig[$name] = $config[$name][$r] ?? $config[$name][0]; |
||
| 1534 | } |
||
| 1535 | |||
| 1536 | return $this->connect($dbConfig, $r, $r == $m ? false : $dbMaster); |
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| 1537 | } |
||
| 1538 | |||
| 1539 | /** |
||
| 1540 | * 分析缓存 |
||
| 1541 | * @access protected |
||
| 1542 | * @param Query $query 查询对象 |
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| 1543 | * @param array $cache 缓存信息 |
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| 1544 | * @return CacheItem |
||
| 1545 | */ |
||
| 1546 | protected function parseCache(Query $query, array $cache): CacheItem |
||
| 1567 | } |
||
| 1568 | |||
| 1569 | } |
||
| 1570 |
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