MySQL Executing string as math operation -


in column have this:

amount:

12 2x25 192

how possible multiply in example 2x25 order correctly asc.

my starting point:

select * table order replace(amount,'x','*') asc

tia frgtv10

try this

  select    cast(if(amount '%x%', substring_index(amount, 'x', 1) *   substring_index(amount, 'x', -1) , amount)  unsigned ) amount    table1   order amount asc

demo here

steps , explaining :

  • locate fields x value

  • sbstring left , right , multiply it.

  • then cast multiplication unsigned.

  • order asc


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