小编Dan*_*iel的帖子

如何从python中的mysql查询中转义%.

例如

query = """SELECT DATE_FORMAT(date_time,'%Y-%m') AS dd
FROM some_table
WHERE some_col = %s
AND other_col = %s;"""

cur.execute(query, (pram1, pram2))

给我一个"ValueError:不支持的格式字符'Y'"异常.

如何让mysqldb忽略%？在任何文档中都看不到这一点.

我该如何正确地做到这一点:

我想做这样的查询:

query = """SELECT * FROM sometable 
                    order by %s %s 
                    limit %s, %s;"""
conn = app_globals.pool.connection()
cur = conn.cursor()
cur.execute(query, (sortname, sortorder, limit1, limit2) ) 
results = cur.fetchall()

ORDER BY 'somecol' 'DESC'

ORDER BY somecol DESC