文档解释
ORA-19227: XPTY0007 – fn:data function is applied to a node (type (string)) whose type annotation denotes a complex type with non-mixed complex content.
Cause: The input node for atomization contained a type annotation that denoted a complex type with non-mixed complex content.
Action: Fix the input expression to fn:data to be a node that does not contain non-mixed complex content.
