我想在 python 中使用时间戳值作为 MySQL 查询的变量。
tsmin = 1527573750;
tsmax = 1527574050;
command = "SELECT * FROM #CMD# WHERE data.#CMD#.TimesTamp BETWEEN
FROM_UNIXTIME(tsmin) AND FROM_UNIXTIME(tsmax)";
这会出现此错误:_mysql_exceptions.OperationalError:(1054,“'where 子句'中的未知列'tsmin'”)
当我使用以下命令时,它工作正常。
command = "SELECT * FROM #CMD# WHERE data.#CMD#.TimesTamp BETWEEN
FROM_UNIXTIME(1527573750) AND FROM_UNIXTIME(1527574050)"
谁能帮帮我?
最佳答案
f 字符串 (Python 3.6+)
tsmin = 1527573750;
tsmax = 1527574050;
command = f"SELECT * FROM #CMD# WHERE data.#CMD#.TimesTamp BETWEEN
FROM_UNIXTIME({tsmin}) AND FROM_UNIXTIME({tsmax})";
格式
tsmin = 1527573750;
tsmax = 1527574050;
command = "SELECT * FROM #CMD# WHERE data.#CMD#.TimesTamp BETWEEN
FROM_UNIXTIME({tsmin}) AND FROM_UNIXTIME({tsmax})".format(tsmin=tsmin, tsmax=tsmax);
关于python - 时间戳作为sql查询中的变量,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/50592213/