Carsten, your example is very interesting. I didn't expect that 10 native funcs calls can be 242 times faster (in a real/realistic use case)!
A suggestion: one can use macros. strip_digits() can become a macro, so the code will be readable and there won't be performance problems. I use GNU m4 precompiler because I wasn't able to solve a problem with GCC.
An example from my macro lib.
Definition:
m4_define(<
)
hi guys, i'm not finding a function to return how many character i have, for example:
"banana"
i want a function
Usage: EXECUTE_SQL(stmt, <
substr_count("banana","n") => 2 SELECT CHAR_LENGTH(field)-CHAR_LENGTH(REPLACE(field, 'n', '')) Many moons ago, I blogged about something similar, performance considerations and how to make your own function: http://www.bitbybit.dk/carsten/blog/?p=55 Best, / Carsten _______________________________________________ Mailing list: https://launchpad.net/~maria-discuss Post to : maria-discuss@lists.launchpad.net Unsubscribe : https://launchpad.net/~maria-discuss More help : https://help.launchpad.net/ListHelp