| Conditions | 22 | 
| Paths | 1117 | 
| Total Lines | 84 | 
| Code Lines | 47 | 
| Lines | 0 | 
| Ratio | 0 % | 
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | <?php  | 
            ||
| 139 | public function column(Query $query, $field, $key = '')  | 
            ||
| 140 |     { | 
            ||
| 141 | $options = $query->getOptions();  | 
            ||
| 142 | |||
| 143 |         if (empty($options['fetch_sql']) && !empty($options['cache'])) { | 
            ||
| 144 | // 判断查询缓存  | 
            ||
| 145 | $cache = $options['cache'];  | 
            ||
| 146 | |||
| 147 | $guid = is_string($cache['key']) ? $cache['key'] : $this->getCacheKey($query, $field);  | 
            ||
| 148 | |||
| 149 |             $result = Container::get('cache')->get($guid); | 
            ||
| 150 | |||
| 151 |             if (false !== $result) { | 
            ||
| 152 | return $result;  | 
            ||
| 153 | }  | 
            ||
| 154 | }  | 
            ||
| 155 | |||
| 156 |         if (isset($options['field'])) { | 
            ||
| 157 |             $query->removeOption('field'); | 
            ||
| 158 | }  | 
            ||
| 159 | |||
| 160 |         if (is_null($field)) { | 
            ||
| 161 | $field = '*';  | 
            ||
| 162 |         } elseif ($key && '*' != $field) { | 
            ||
| 163 | $field = $key . ',' . $field;  | 
            ||
| 164 | }  | 
            ||
| 165 | |||
| 166 |         if (is_string($field)) { | 
            ||
| 167 |             $field = array_map('trim', explode(',', $field)); | 
            ||
| 168 | }  | 
            ||
| 169 | |||
| 170 |         $query->setOption('field', $field); | 
            ||
| 171 | |||
| 172 | // 生成查询SQL  | 
            ||
| 173 | $sql = $this->builder->select($query);  | 
            ||
| 174 | |||
| 175 | $bind = $query->getBind();  | 
            ||
| 176 | |||
| 177 |         if (!empty($options['fetch_sql'])) { | 
            ||
| 178 | // 获取实际执行的SQL语句  | 
            ||
| 179 | return $this->getRealSql($sql, $bind);  | 
            ||
| 180 | }  | 
            ||
| 181 | |||
| 182 | // 执行查询操作  | 
            ||
| 183 | $pdo = $this->query($sql, $bind, $options['master'], true);  | 
            ||
| 184 | |||
| 185 |         if (1 == $pdo->columnCount()) { | 
            ||
| 186 | $result = $pdo->fetchAll(PDO::FETCH_COLUMN);  | 
            ||
| 187 |         } else { | 
            ||
| 188 | $resultSet = $pdo->fetchAll(PDO::FETCH_ASSOC);  | 
            ||
| 189 | |||
| 190 |             if ('*' == $field && $key) { | 
            ||
| 191 | $result = array_column($resultSet, null, $key);  | 
            ||
| 192 |             } elseif ($resultSet) { | 
            ||
| 193 | $fields = array_keys($resultSet[0]);  | 
            ||
| 194 | $count = count($fields);  | 
            ||
| 195 | $key1 = array_shift($fields);  | 
            ||
| 196 | $key2 = $fields ? array_shift($fields) : '';  | 
            ||
| 197 | $key = $key ?: $key1;  | 
            ||
| 198 | |||
| 199 |                 if (strpos($key, '.')) { | 
            ||
| 200 |                     list($alias, $key) = explode('.', $key); | 
            ||
| 201 | }  | 
            ||
| 202 | |||
| 203 |                 if (3 == $count) { | 
            ||
| 204 | $column = $key2;  | 
            ||
| 205 |                 } elseif ($count < 3) { | 
            ||
| 206 | $column = $key1;  | 
            ||
| 207 |                 } else { | 
            ||
| 208 | $column = null;  | 
            ||
| 209 | }  | 
            ||
| 210 | |||
| 211 | $result = array_column($resultSet, $column, $key);  | 
            ||
| 212 |             } else { | 
            ||
| 213 | $result = [];  | 
            ||
| 214 | }  | 
            ||
| 215 | }  | 
            ||
| 216 | |||
| 217 |         if (isset($cache) && isset($guid)) { | 
            ||
| 218 | // 缓存数据  | 
            ||
| 219 | $this->cacheData($guid, $result, $cache);  | 
            ||
| 220 | }  | 
            ||
| 221 | |||
| 222 | return $result;  | 
            ||
| 223 | }  | 
            ||
| 236 |