*int,int,-1
*varchar,varchar,-1
*char,char,-1
*text,text,-1
*clob,text,-1
*real,real,-1
*float,float4,-1
*double,float8,-1
*numeric,numeric,-1
*decimal,decimal,-1
*blob,bytea,-1
*binary,bytea,-1
*date,varchar,25
*boolean,varchar,4
*image,bytea,-1