Probably is the
Was only one A attribute, then execute the corresponding SQL statement
Now there is a B properties, perform the corresponding attributes SQL statement B


//this is property A statement


-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - now increases the attribute of the execution of the statement B -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --


//here you need to determine is attribute A or B
//how to write statement???
If (attribute is A) perform A
The else B



//this is property A statement



//this is attribute statements B

-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- - you have not antecedent example consult, thank you -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --

CodePudding user response:

 

The select... 
 
 
The select... 
 

CodePudding user response:

Endow the different id can't you give A, B, A getA, A getB, don't need to decide