Total Complexity | 33 |
Total Lines | 276 |
Duplicated Lines | 0 % |
Coverage | 4.62% |
Changes | 0 |
1 | <?php |
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26 | class Db |
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27 | { |
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28 | /** |
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29 | * 当前数据库连接对象 |
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30 | * @var Connection |
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31 | */ |
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32 | protected $connection; |
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33 | |||
34 | /** |
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35 | * 数据库连接实例 |
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36 | * @var array |
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37 | */ |
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38 | protected $instance = []; |
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39 | |||
40 | /** |
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41 | * Event对象 |
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42 | * @var Event |
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43 | */ |
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44 | protected $event; |
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45 | |||
46 | /** |
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47 | * 数据库配置 |
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48 | * @var array |
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49 | */ |
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50 | protected $config = []; |
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51 | |||
52 | /** |
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53 | * SQL监听 |
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54 | * @var array |
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55 | */ |
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56 | protected $listen = []; |
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57 | |||
58 | /** |
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59 | * 查询次数 |
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60 | * @var int |
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61 | */ |
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62 | protected $queryTimes = 0; |
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63 | |||
64 | /** |
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65 | * 架构函数 |
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66 | * @param array $config 连接配置 |
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67 | * @access public |
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68 | */ |
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69 | 1 | public function __construct(array $config = []) |
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70 | { |
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71 | 1 | $this->config = $config; |
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72 | 1 | } |
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73 | |||
74 | /** |
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75 | * @param Event $event |
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76 | * @param Config $config |
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77 | * @return Db |
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78 | * @codeCoverageIgnore |
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79 | */ |
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80 | public static function __make(Event $event, Config $config) |
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81 | { |
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82 | $db = new static($config->get('database')); |
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83 | |||
84 | $db->setEvent($event); |
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85 | |||
86 | return $db; |
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87 | } |
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88 | |||
89 | /** |
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90 | * 切换数据库连接 |
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91 | * @access public |
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92 | * @param mixed $config 连接配置 |
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93 | * @param bool|string $name 连接标识 true 强制重新连接 |
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94 | * @return $this |
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95 | */ |
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96 | public function connect($config = [], $name = false) |
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97 | { |
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98 | $this->connection = $this->instance($this->parseConfig($config), $name); |
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99 | return $this; |
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100 | } |
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101 | |||
102 | /** |
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103 | * 取得数据库连接类实例 |
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104 | * @access public |
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105 | * @param array $config 连接配置 |
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106 | * @param bool|string $name 连接标识 true 强制重新连接 |
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107 | * @return Connection |
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108 | */ |
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109 | public function instance(array $config = [], $name = false) |
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129 | } |
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130 | |||
131 | /** |
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132 | * 使用表达式设置数据 |
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133 | * @access public |
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134 | * @param string $value 表达式 |
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135 | * @return Raw |
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136 | */ |
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137 | public function raw(string $value): Raw |
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138 | { |
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139 | return new Raw($value); |
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140 | } |
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141 | |||
142 | /** |
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143 | * 更新查询次数 |
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144 | * @access public |
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145 | * @return void |
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146 | */ |
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147 | public function updateQueryTimes(): void |
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150 | } |
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151 | |||
152 | /** |
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153 | * 重置查询次数 |
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154 | * @access public |
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155 | * @return void |
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156 | */ |
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157 | public function clearQueryTimes(): void |
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158 | { |
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159 | $this->queryTimes = 0; |
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160 | } |
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161 | |||
162 | /** |
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163 | * 获得查询次数 |
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164 | * @access public |
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165 | * @return integer |
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166 | */ |
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167 | public function getQueryTimes(): int |
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168 | { |
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169 | return $this->queryTimes; |
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170 | } |
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171 | |||
172 | /** |
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173 | * 数据库连接参数解析 |
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174 | * @access private |
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175 | * @param mixed $config |
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176 | * @return array |
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177 | */ |
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178 | private function parseConfig($config): array |
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179 | { |
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180 | if (empty($config)) { |
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181 | $config = $this->config; |
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182 | } elseif (is_string($config) && isset($this->config[$config])) { |
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183 | // 支持读取配置参数 |
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184 | $config = $this->config[$config]; |
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185 | } |
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186 | |||
187 | if (!is_array($config)) { |
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188 | throw new DbException('database config error:' . $config); |
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189 | } |
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190 | |||
191 | return $config; |
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192 | } |
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193 | |||
194 | /** |
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195 | * 获取数据库的配置参数 |
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196 | * @access public |
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197 | * @param string $name 参数名称 |
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198 | * @return mixed |
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199 | */ |
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200 | public function getConfig(string $name = '') |
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201 | { |
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202 | return $name ? ($this->config[$name] ?? null) : $this->config; |
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203 | } |
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204 | |||
205 | /** |
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206 | * 创建一个新的查询对象 |
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207 | * @access public |
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208 | * @param string|array $connection 连接配置信息 |
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209 | * @return mixed |
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210 | */ |
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211 | public function buildQuery($connection = []) |
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212 | { |
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213 | return $this->connect($connection)->newQuery(); |
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214 | } |
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215 | |||
216 | /** |
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217 | * 监听SQL执行 |
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218 | * @access public |
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219 | * @param callable $callback 回调方法 |
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220 | * @return void |
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221 | */ |
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222 | public function listen(callable $callback): void |
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223 | { |
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224 | $this->listen[] = $callback; |
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225 | } |
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226 | |||
227 | /** |
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228 | * 获取监听SQL执行 |
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229 | * @access public |
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230 | * @return array |
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231 | */ |
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232 | public function getListen(): array |
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235 | } |
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236 | |||
237 | /** |
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238 | * 设置Event对象 |
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239 | * @param Event $event |
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240 | */ |
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241 | public function setEvent(Event $event) |
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242 | { |
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243 | $this->event = $event; |
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244 | } |
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245 | |||
246 | /** |
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247 | * 注册回调方法 |
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248 | * @access public |
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249 | * @param string $event 事件名 |
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250 | * @param callable $callback 回调方法 |
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251 | * @return void |
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252 | */ |
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253 | public function event(string $event, callable $callback): void |
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254 | { |
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255 | if ($this->event) { |
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256 | $this->event->listen('db.' . $event, $callback); |
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257 | } |
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258 | } |
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259 | |||
260 | /** |
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261 | * 触发事件 |
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262 | * @access public |
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263 | * @param string $event 事件名 |
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264 | * @param mixed $params 传入参数 |
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265 | * @param bool $once |
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266 | * @return mixed |
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267 | */ |
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268 | public function trigger(string $event, $params = null, bool $once = false) |
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269 | { |
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270 | if ($this->event) { |
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271 | return $this->event->trigger('db.' . $event, $params, $once); |
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272 | } |
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273 | } |
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274 | |||
275 | /** |
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276 | * 创建一个新的查询对象 |
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277 | * @access protected |
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278 | * @param Connection $connection 连接对象 |
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279 | * @return mixed |
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280 | */ |
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281 | protected function newQuery($connection = null) |
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282 | { |
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283 | /** @var Query $query */ |
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284 | if (is_null($connection) && !$this->connection) { |
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285 | $this->connect($this->config); |
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286 | } |
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287 | |||
288 | $connection = $connection ?: $this->connection; |
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289 | $class = $connection->getQueryClass(); |
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290 | $query = new $class($connection); |
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291 | |||
292 | $query->setDb($this); |
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293 | |||
294 | return $query; |
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295 | } |
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296 | |||
297 | public function __call($method, $args) |
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302 | } |
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303 | } |
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304 |