System Function
[TD_SYSFNLIB.] OEXISTS ( array_expr, { index value | array_bound } )
Method-Style
array_expr.OEXISTS ( { index value | array_bound } )
Syntax Elements
- TD_SYSFNLIB.
- Name of the database where the function is located.
- array_expr
- An ARRAY expression, which is one of the following:
- A reference to an ARRAY column
- An ARRAY constructor expression
- A UDF expression
- A UDM expression
- index value
- An unsigned integer value.
- array_bound
An array instance of the predefined array type ArrayVec with a comma-separated list of integer values to define the bounds.