SEM_APIS.GETV$NUMERICVAL

Format

SEM_APIS.GETV$NUMERICVAL(
     value_type     IN VARCHAR2,
     vname_prefix   IN VARCHAR2,
     vname_suffix   IN VARCHAR2,
     literal_type   IN VARCHAR2,
     language_type  IN VARCHAR2,
     ) RETURN NUMBER;

Description

Returns a numeric value for XML Schema numeric typed literals, and returns a null value for all other RDF terms.

Parameters

value_type

Type of the RDF term.

vname_prefix

Prefix value of the RDF term.

vname_suffix

Suffix value of the RDF term.

literal_type

Literal type of the RDF term.

language_type

Language type of the RDF term.

Usage Notes

For better performance, consider creating a function-based index on this function. For more information, see Function-Based Indexes for FILTER Constructs Involving Typed Literals.

Examples

The following example returns numeric values for all numeric literals in the RDF_VALUE$ table:

SELECT SEM_APIS.GETV$NUMERICVAL(value_type, vname_prefix, vname_suffix,
  literal_type, language_type)
  FROM RDF_VALUE$;