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sqlstored-procedurestriggersfirebird
Welliam
Welliam

Reputation: 111

FireBird SQL: skip one of the returning parameters

I have a FireBird SP that returns 3 output parameters to modify 3 fields
Then I call this sp with before update or insert trigger

I want now to check for a condition column value inside the SP if it is = 1 then the second output parameter must be left as it is with the user data and prevent the sp to change it

How I do that ?

The trigger:

execute procedure my_proc inp1, inp2 RETURNING_VALUES op1, op2, op3;

I don't want to return op2 and leave it as it is.

Thanks

Upvotes: 0

Views: 965

Answers (1)

ain
ain

Reputation: 22759

The only way is to add third input parameter which takes the current value of the op2 and returns it in case of "condition column value = 1". IOW you add an "default value for the op2" input parameter.

Upvotes: 1

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