ORA-18100
XUST0001 - Updating expression in a wrong position
Cause
An updating expression was used in a position other than one of the following:
- The topmost expression in the body of a query.
- The MODIFY clause of a TRANSFORM expression.
- The RETURN clause of a FLWOR expression.
- The RETURN clauses of a TYPESWITCH expression in which every RETURN clause contains an updating expression, an empty expression ( ), or a call to the fn:error function.
- The THEN and ELSE clauses of a conditional statement in which both the then and else clauses contain either an updating expression, an empty expression ( ), or a call to the fn:error function.
- An operand of a comma expression in which each operand is either an updating expression, an empty expression ( ), or a call to the fn:error function.
- The content of a parenthesized expression.
- The body of a function declaration in which the keyword UPDATING is specified.
Action
None