Oracle解析 xml 记录一下（未完待续）

Oracle解析 xml 记录一下。

SQL> desc xmlparser;

PROCEDURE FREEPARSER
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
FUNCTION GETBASEDIR RETURNS VARCHAR2
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
FUNCTION GETDOCTYPE RETURNS RECORD
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
   ID                           RAW(13)                 OUT
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
FUNCTION GETDOCUMENT RETURNS RECORD
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
   ID                           RAW(13)                 OUT
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
FUNCTION GETERRORLOG RETURNS VARCHAR2
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
FUNCTION GETRELEASEVERSION RETURNS VARCHAR2
FUNCTION GETVALIDATIONMODE RETURNS BOOLEAN
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
FUNCTION NEWPARSER RETURNS RECORD
   ID                           RAW(13)                 OUT
FUNCTION PARSE RETURNS RECORD
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
   ID                           RAW(13)                 OUT
 URL                            VARCHAR2                IN
 CSID                           NUMBER                  IN     DEFAULT
PROCEDURE PARSE
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 URL                            VARCHAR2                IN
 CSID                           NUMBER                  IN     DEFAULT
PROCEDURE PARSEBUFFER
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 DOC                            VARCHAR2                IN
PROCEDURE PARSECLOB
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 DOC                            CLOB                    IN
PROCEDURE PARSEDTD
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 URL                            VARCHAR2                IN
 ROOT                           VARCHAR2                IN
 CSID                           NUMBER                  IN     DEFAULT
PROCEDURE PARSEDTDBUFFER
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 DTD                            VARCHAR2                IN
 ROOT                           VARCHAR2                IN
PROCEDURE PARSEDTDCLOB
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 DTD                            CLOB                    IN
 ROOT                           VARCHAR2                IN
PROCEDURE RETAINCDATASECTION
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 FLAG                           BOOLEAN                 IN
PROCEDURE SETBASEDIR
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 DIR                            VARCHAR2                IN
PROCEDURE SETDOCTYPE
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 DTD                            RECORD                  IN
   ID                           RAW(13)                 IN
PROCEDURE SETERRORLOG
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 FILENAME                       VARCHAR2                IN
PROCEDURE SETPRESERVEWHITESPACE
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 YES                            BOOLEAN                 IN
PROCEDURE SETVALIDATIONMODE
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 YES                            BOOLEAN                 IN
PROCEDURE SHOWWARNINGS
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 YES                            BOOLEAN                 IN
PROCEDURE WRITEERRORS
 Argument Name                  Type                    In/Out Default?
 ------------------------------ ----------------------- ------ --------
 P                              RECORD                  IN
   ID                           RAW(13)                 IN
 ERR_NUM                        NUMBER                  IN
 ERR_MSG                        VARCHAR2                IN