bigint,int,-1
char*,char,-1
date,varchar,25
decimal*,decimal,-1
*numeric,decimal,-1
*double,double,-1
*float,float,-1
int*,int,-1
smallint,int,-1
time,varchar,25
*timestamp,varchar,50,null
*varchar,varchar,-1
blob sub_type 0,blob,-1
blob sub_type 1,blob,-1
blob*,blob,-1