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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use App\Db\Migration;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Class m190829_093604_article_comment  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                class m190829_093604_article_comment extends Migration  | 
            
            
                                                                        
                            
            
                                    
            
            
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                { | 
            
            
                                                                        
                            
            
                                    
            
            
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                    private $tableName = '{{%article_comment}}'; | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function safeUp()  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    { | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->createTable($this->tableName, [  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            'id' => $this->bigPrimaryKey(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            'reply_to' => $this->bigInteger()->notNull()->defaultValue(0)->comment('Reply To'), | 
            
            
                                                                        
                            
            
                                    
            
            
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                            'article_id' => $this->integer()->notNull()->comment('Article ID'), | 
            
            
                                                                        
                            
            
                                    
            
            
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                            'user_id' => $this->integer()->notNull()->comment('User ID'), | 
            
            
                                                                        
                            
            
                                    
            
            
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                            'content' => $this->text()->notNull()->comment('Content'), | 
            
            
                                                                        
                            
            
                                    
            
            
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                            'is_deleted' => $this->softDelete(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            'create_time' => $this->createTimestamp(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            'update_time' => $this->updateTimestamp(),  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        ], $this->tableOptions());  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->createIndex('article_comment_idx_reply_to', $this->tableName, 'reply_to'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->createIndex('article_comment_idx_article_id', $this->tableName, 'article_id'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->createIndex('article_comment_idx_user_id', $this->tableName, 'user_id'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                        $this->createIndex('article_comment_idx_create_time', $this->tableName, 'create_time'); | 
            
            
                                                                        
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                        
                            
            
                                    
            
            
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                    public function safeDown()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    { | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                        $this->dropTable($this->tableName);  | 
            
            
                                                                        
                                                                
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                }  | 
            
            
                                                        
            
                                    
            
            
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