-params:
 ?table= name of the table used (prefix 'test_' added for safety)
 ?temporary= the table used is created 0=in the database, 1=temporary, 2=in memory
 ?no_index= the columns tested are not indexed
 ?repeat= number of tests made (halflife=100)
 ?sample= sample size (number of rows)
 ?precision= precision of the decimal tests (2 => 1/100)
-current:
 ?table=test_temp&temporary=1&no_index=0&repeat=200&sample=1000&precision=3