Subselect with clause with and nvl() with case when as 2nd argument does not work

I get an error for this one

Select)

with x

(select 1 of the double)

Select

NVL (x.a, cases where x.a is null then fine otherwise 3 2)

the double)

of the double

Error is:

ORA-00904: 'X '. "' A ': invalid identifier

... related to the use of x.a in an expression box as the 2nd argument of nvl (...)

Rgds,

Frank

Hello

Maybe like this?

Select)

with x

(select 1 of the double)

Select

NVL (x.a, case when x.a is null, then Itf_Pkg.Itf_Null_Value ("x.a', 'a null value'") or 3 end)

X)

of the double

Tags: Database

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