> I have a table with a SMALLINT column that -- trough a mistake -- > contains values like 57, 13 etc. which in fact are 0x57 and 0x13 (i.e. > HEX numbers). > > How would I convert > > 13 ("false decimal") to 0x13 (Hex) and from there to 19 (decimal)? > > I tried my luck with UNHEX and CAST but I only got 0 or NULL back respectively.
This seems to work: select cast(x'13' as unsigned) So treat the column as a string (or cast it like that) and use this cast. Martijn Tonies Database Workbench - development tool for MySQL, and more! Upscene Productions http://www.upscene.com My thoughts: http://blog.upscene.com/martijn/ Database development questions? Check the forum! http://www.databasedevelopmentforum.com -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]