47.8 CLOBBASE642BLOB Function

This function converts a CLOB datatype that is base64-encoded into a BLOB. This is often used when receiving output from a Web service that contains a binary parameter.

Syntax

APEX_WEB_SERVICE.CLOBBASE642BLOB (
    p_clob IN CLOB)
RETURN BLOB;

Parameters

Table 47-4 CLOBBASE642BLOB Parameters

Parameter	Description
p_clob	The base64-encoded CLOB to convert into a BLOB.

Example

The following example retrieves a base64-encoded node from an XML document as a CLOB and converts it into a BLOB.

DECLARE
    l_base64 CLOB;
    l_blob   BLOB;
    l_xml    XMLTYPE;
BEGIN
    l_base64 := apex_web_service.parse_xml_clob(l_xml, ' //runReportReturn/reportBytes/text()');
        l_blob := apex_web_service.clobbase642blob(l_base64);
END;