mysql 獲取最近一個月每一天

   
   
  
  
          
 
           
 
            
 
             
 
            
 
            
 
             
 
              select 
              date_add( 
              curdate(), 
              interval( 
              cast(help_topic_id 
              as signed 
              integer) - 
              30) 
              day) 
              day 
             
 
            
 
           
 
            
 
             
 
            
 
            
 
             
 
              from mysql.help_topic 
             
 
            
 
           
 
            
 
             
 
            
 
            
 
             
 
              where help_topic_id < 
              day( 
              last_day( 
              curdate())) 
             
 
            
 
           
 
            
 
             
 
            
 
            
 
             
 
              order 
              by help_topic_id 
             
 
            
 
          
  
  
 
 
         

2019-07-03更新進一步格式化版

SELECT
	DATE_FORMAT( date_add( curdate( ), INTERVAL ( cast( help_topic_id AS signed INTEGER ) - 30 ) DAY ) , '%m/%d' ) DAY
FROM
	mysql.help_topic 
WHERE
	help_topic_id < DAY ( last_day( curdate( ) ) ) 
ORDER BY
	help_topic_id

原文地址：https://blog.csdn.net/qq_29384639/article/details/89563852