n= 6816 

node), split, n, loss, yval, (yprob)
      * denotes terminal node

1) root 6816 1313 fail (0.8073650 0.1926350)  
  2) sql_mode=STRICT_ALL_TABLES,TRADITIONAL 4465    0 fail (1.0000000 0.0000000) *
  3) sql_mode=NULL 2351 1038 pass (0.4415142 0.5584858)  
    6) transaction_isolation=READ-COMMITTED,READ-UNCOMMITTED 1038    0 fail (1.0000000 0.0000000) *
    7) transaction_isolation=NULL,REPEATABLE-READ,SERIALIZABLE 1313    0 pass (0.0000000 1.0000000) *