example Converted data-type (GS_TYPE_XXX)
BOOL BYTE SHORT INTEGER LONG FLOAT DOUBLE STRING TIMESTAMP BLOB BOOL_
ARRAY
BYTE_
ARRAY
SHORT_
ARRAY
INTEGER_
ARRAY
LONG_
ARRAY
FLOAT_
ARRAY
DOUBLE_
ARRAY
STRING_
ARRAY
TIMESTAMP_
ARRAY
Input data-type int 3                        
string "name"                                
float 0.1                                
boolean True                                    
datetime datetime.utcnow()                                    
bytearray bytearray([65, 66, 67])                                    
lit[int] [1,2,3]                        
list[string] ["abc","def","ghi"]                                  
list[float] [0.1,0.2,0.3]                                
list[boolean] [True,False]                                    
list[datetime] [dt1,dt2,dt3]