43.8 BLOB2CLOBBASE64 Function

Use this function to convert a BLOB datatype into a CLOB that is base64 encoded. This is often used when sending a binary as an input to a Web service.

Syntax

APEX_WEB_SERVICE.BLOB2CLOBBASE64 (
	    p_blob IN BLOB)
RETURN CLOB;

Parameters

Table 43-3 BLOB2CLOBBASE64 Parameters

Parameter	Description
p_blob	The BLOB to convert into base64 encoded CLOB.

Example

The following example gets a file that was uploaded from the apex_application_files view and converts the BLOB into a CLOB that is base64 encoded.

declare
    	l_clob	CLOB;
    l_blob	BLOB;
begin
    SELECT BLOB_CONTENT
      INTO l_BLOB
      FROM APEX_APPLICATION_FILES
      WHERE name = :P1_FILE;
 
    l_CLOB := apex_web_service.blob2clobbase64(l_BLOB);
end;