mysql - Can triggers call PHP Scripts? -

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i have written trigger, mysql doesn't it:

code :

create trigger triggers_on_comand_line after update on test1  each row  begin  if total_volume >= used_volume \! echo "php -f /home/test.php"  end;

i got error :

** mysql said: documentation 1064 - 064 - have error in sql syntax; check manual corresponds mysql server version right syntax use near '! echo "php -f /home/test.php" @ line 6 **

thanks

yes, can call php scripts if install mysql_udf_sys


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