Convert a value of 1 to a NULL value.
oneToNull
is a utility function that returns NULL when a value of
0 or 1 is passed to it, otherwise it returns the original value.
oneToNULL(value, convertOneToNULL)
value |
The value to check. |
convertOneToNULL |
TRUE to convert 1 to NULL. |
NULL if value==1, otherwise value.
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