Oracle DBMS_XMLSAVE

Oracle DBMS_XMLSAVE Version 19c

General Information

Library Note

Morgan's Library Page Header

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Purpose Save XML to relational tables. The package body source code is in clear, unwrapped, text.

This package was deprecated in 18.1 in favor of DBMS_XMLSTORE.

AUTHID CURRENT_USER

Constants

Name	Data Type	Value
DEFAULT_DATE_FORMAT	VARCHAR2(21)	'MM/dd/yyyy HH:mm:ss';
DEFAULT_ROWTAG	VARCHAR2(3)	'ROW'
IGNORE_CASE	NUMBER	1
MATCH_CASE	NUMBER	0

Data Types SUBTYPE ctxType IS NUMBER;

Dependencies STANDARD only

Documented No

First Available Not known

Security Model Owned by SYS with EXECUTE granted to PUBLIC

Source {ORACLE_HOME}/xdk/admin/dbmsxsu.sql

Subprograms

ClearKeyColumnList	p_setPreserveWhiteSpace	setKeyColumn
clearUpdateColumnList	p_setSQLToXMLNameEsc	setPreserveWhiteSpace
closeContext	p_setXSLT	setRowTag
deleteXML	p_useDBDates	setSQLToXMLNameEscaping
getExceptionContent	removeXSLTParam	setUpdateColumn
insertXML	setBatchSize	setXSLT
newContext	setCommitBatch	setXSLTParam
propagateOriginalException	setDateFormat	updateXML
p_propagateOriginalException	setIgnoreCase	useDBDates

CLEARKEYCOLUMNLIST

Clears the key column list dbms_xmlsave.clearKeyColumnList(ctxHdl IN ctxType);

CREATE TABLE orders (

      order_id          INTEGER,

      order_revision    INTEGER,

      order_date        DATE          NOT NULL,

      order_header_hash INTEGER       NOT NULL,

      order_currency    VARCHAR2(3)   NOT NULL,

      order_language    VARCHAR2(3)   NOT NULL,

      machine_name      VARCHAR2(20)  NOT NULL,

      assembly_name     VARCHAR2(255) NOT NULL,

      user_name         VARCHAR2(20)  NOT NULL,

      calling_meth_name VARCHAR2(255) NOT NULL);

      

      ALTER TABLE orders

      ADD CONSTRAINT pk_orders

      PRIMARY KEY (order_id, order_revision);

      

      CREATE INDEX ix_orders_order_date

      ON orders(order_date);

      

      CREATE INDEX ix_orders_header_hash

      ON orders(order_header_hash);

      

      DECLARE

       xmlCtx dbms_xmlsave.ctxType;

      BEGIN

        xmlCtx := dbms_xmlsave.newContext('ORDERS');

        dbms_xmlsave.clearKeyColumnList(xmlCtx);

        dbms_xmlsave.clearUpdateColumnList(xmlCtx);

        dbms_xmlsave.closeContext(xmlCtx);

      END;

      /

CLEARUPDATECOLUMNLIST

Clears the update column list dbms_xmlsave.clearUpdateColumnList(ctxHdl IN ctxType);

See ClearKeyColumnList Demo Above

CLOSECONTEXT

Closes/deallocates a particular save context dbms_xmlsave.closeContext(ctxHdl IN ctxType);

See ClearKeyColumnList Demo Above

DELETEXML

Deletes records specified by data from the XML document, from specified table
Overload 1 dbms_xmlsave.deleteXML( ctxHdl IN ctxType, xDoc IN VARCHAR2) RETURN NUMBER;

TBD

Overload 2 dbms_xmlsave.deleteXML( ctxHdl IN ctxType, xDoc IN CLOB) RETURN NUMBER;

TBD

GETEXCEPTIONCONTENT

Returns the thrown exception's error code and error message dbms_xmlsave.deleteXML( ctxHdl IN ctxType, errNo OUT NUMBER, errMsg OUT VARCHAR2);

TBD

INSERTXML

Inserts the XML document into the table specified at the context creation time
Overload 1 dbms_xmlsave.insertXML( ctxHdl IN ctxType, xDoc IN VARCHAR2) RETURN NUMBER;

conn scott/tiger@pdbdev

      

      CREATE TABLE emp2 AS

      SELECT * FROM scott.emp

      WHERE 1=2;

      

      DECLARE

       l_clob clob := '<?xml version = "1.0"?>

        <ROWSET>

          <ROW num="1">

            <EMPNO>7369</EMPNO>

            <ENAME>SMITH</ENAME>

            <JOB>CLERK</JOB>

            <MGR>7902</MGR>

            <HIREDATE>12/17/1980 0:0:0</HIREDATE>

            <SAL>800</SAL>

            <DEPTNO>20</DEPTNO>

          </ROW>

          <ROW num="2">

            <EMPNO>7499</EMPNO>

            <ENAME>ALLEN</ENAME>

            <JOB>SALESMAN</JOB>

            <MGR>7698</MGR>

            <HIREDATE>2/20/1981 0:0:0</HIREDATE>

            <SAL>1600</SAL>

            <COMM>300</COMM>

            <DEPTNO>30</DEPTNO>

          </ROW>

          <ROW num="3">

            <EMPNO>7521</EMPNO>

            <ENAME>WARD</ENAME>

            <JOB>SALESMAN</JOB>

            <MGR>7698</MGR>

            <HIREDATE>2/22/1981 0:0:0</HIREDATE>

            <SAL>1250</SAL>

            <COMM>500</COMM>

            <DEPTNO>30</DEPTNO>

          </ROW>

          <ROW num="4">

            <EMPNO>7566</EMPNO>

            <ENAME>JONES</ENAME>

            <JOB>MANAGER</JOB>

            <MGR>7839</MGR>

            <HIREDATE>4/2/1981 0:0:0</HIREDATE>

            <SAL>2975</SAL>

            <DEPTNO>20</DEPTNO>

          </ROW>

          <ROW num="5">

            <EMPNO>7654</EMPNO>

            <ENAME>MARTIN</ENAME>

            <JOB>SALESMAN</JOB>

            <MGR>7698</MGR>

            <HIREDATE>9/28/1981 0:0:0</HIREDATE>

            <SAL>1250</SAL>

            <COMM>1400</COMM>

            <DEPTNO>30</DEPTNO>

          </ROW>

          <ROW num="6">

            <EMPNO>7698</EMPNO>

            <ENAME>BLAKE</ENAME>

            <JOB>MANAGER</JOB>

            <MGR>7839</MGR>

            <HIREDATE>5/1/1981 0:0:0</HIREDATE>

            <SAL>2850</SAL>

            <DEPTNO>30</DEPTNO>

          </ROW>

          <ROW num="7">

            <EMPNO>7782</EMPNO>

            <ENAME>CLARK</ENAME>

            <JOB>MANAGER</JOB>

            <MGR>7839</MGR>

            <HIREDATE>6/9/1981 0:0:0</HIREDATE>

            <SAL>2450</SAL>

            <DEPTNO>10</DEPTNO>

          </ROW>

          <ROW num="8">

            <EMPNO>7788</EMPNO>

            <ENAME>SCOTT</ENAME>

            <JOB>ANALYST</JOB>

            <MGR>7566</MGR>

            <HIREDATE>4/19/1987 0:0:0</HIREDATE>

            <SAL>3000</SAL>

            <DEPTNO>20</DEPTNO>

          </ROW>

          <ROW num="9">

            <EMPNO>7839</EMPNO>

            <ENAME>KING</ENAME>

            <JOB>PRESIDENT</JOB>

            <HIREDATE>11/17/1981 0:0:0</HIREDATE>

            <SAL>5000</SAL>

            <DEPTNO>10</DEPTNO>

          </ROW>

          <ROW num="10">

            <EMPNO>7844</EMPNO>

            <ENAME>TURNER</ENAME>

            <JOB>SALESMAN</JOB>

            <MGR>7698</MGR>

            <HIREDATE>9/8/1981 0:0:0</HIREDATE>

            <SAL>1500</SAL>

            <COMM>0</COMM>

            <DEPTNO>30</DEPTNO>

          </ROW>

          <ROW num="11">

            <EMPNO>7876</EMPNO>

            <ENAME>ADAMS</ENAME>

            <JOB>CLERK</JOB>

            <MGR>7788</MGR>

            <HIREDATE>5/23/1987 0:0:0</HIREDATE>

            <SAL>1100</SAL>

            <DEPTNO>20</DEPTNO>

          </ROW>

          <ROW num="12">

            <EMPNO>7900</EMPNO>

            <ENAME>JAMES</ENAME>

            <JOB>CLERK</JOB>

            <MGR>7698</MGR>

            <HIREDATE>12/3/1981 0:0:0</HIREDATE>

            <SAL>950</SAL>

            <DEPTNO>30</DEPTNO>

          </ROW>

          <ROW num="13">

            <EMPNO>7902</EMPNO>

            <ENAME>FORD</ENAME>

            <JOB>ANALYST</JOB>

            <MGR>7566</MGR>

            <HIREDATE>12/3/1981 0:0:0</HIREDATE>

            <SAL>3000</SAL>

            <DEPTNO>20</DEPTNO>

          </ROW>

          <ROW num="14">

            <EMPNO>7934</EMPNO>

            <ENAME>MILLER</ENAME>

            <JOB>CLERK</JOB>

            <MGR>7782</MGR>

            <HIREDATE>1/23/1982 0:0:0</HIREDATE>

            <SAL>1300</SAL>

            <DEPTNO>10</DEPTNO>

          </ROW>

        </ROWSET>';

      

       l_ctx dbms_xmlsave.ctxType;

       l_rows number;

      BEGIN

        l_ctx := dbms_xmlsave.newContext('EMP2'); 

        l_rows := dbms_xmlsave.insertxml(l_ctx,l_clob);

        dbms_xmlsave.closeContext(l_ctx);

        dbms_output.put_line(l_rows || ' rows inserted...');

      END insert_xml_emps;

      /

Overload 2 dbms_xmlsave.insertXML( ctxHdl IN ctxType, xDoc IN CLOB) RETURN NUMBER;

TBD

NEWCONTEXT

Creates a save context, and returns the context handle dbms_xmlsave.newContext(targetTable IN VARCHAR2) RETURN ctxType;

See ClearKeyColumnList Demo Above

PROPAGATEORIGINALEXCEPTION

Tells the XSU that if an exception is raised, the XSU should throw the exception rather then, wrapping it with an OracleXMLSQLException dbms_xmlsave.propagateOriginalException( ctxHdl IN ctxType, flag IN BOOLEAN);

TBD

P_PROPAGATEORIGINALEXCEPTION

Undocumented workaround related to an ORA-00600 [kgmexchi11] dbms_xmlsave.p_propagateOriginalException( ctxHdl IN ctxType, flag IN NUMBER);

TBD

P_SETPRESERVEWHITESPACE

Undocumented workaround related to an ORA-00600 [kgmexchi11] dbms_xmlsave.p_setPreserveWhiteSpace( ctxHdl IN ctxType, flag IN NUMBER);

TBD

P_SETSQLTOXMLNAMEESC

Undocumented workaround related to an ORA-00600 [kgmexchi11] dbms_xmlsave.p_setSQLToXMLNameEsc( ctxHdl IN ctxType, flag IN NUMBER);

TBD

P_SETXSLT

Undocumented workaround related to an ORA-00600 [kgmexchi11]
Overload 1 dbms_xmlsave.p_setXSLT( ctxHdl IN ctxType, uri IN VARCHAR2, ref IN VARCHAR2);

TBD

Overload 2 dbms_xmlsave.p_setXSLT( ctxHdl IN ctxType, stylesheet IN CLOB, ref IN VARCHAR2);

TBD

P_USEDBDATES

Undocumented workaround related to an ORA-00600 [kgmexchi11] dbms_xmlsave.p_useDBDates( ctxHdl IN ctxType, flag IN NUMBER);

TBD

REMOVEXSLTPARAM

Removes the value of a top-level stylesheet parameter dbms_xmlsave.removeXSLTParam( ctxHdl IN ctxType, name IN VARCHAR2);

TBD

SETBATCHSIZE

Changes the batch size used during DML operations dbms_xmlsave.setBatchSize( ctxHdl IN ctxType, batchSize IN NUMBER);

DECLARE

       l_ctx dbms_xmlsave.ctxType;

      BEGIN

        l_ctx := dbms_xmlsave.newContext('EMP2'); 

        dbms_xmlsave.setBatchSize(l_ctx, 250);

      END;

      /

SETCOMMITBATCH

Sets the commit batch size dbms_xmlsave.setCommitBatch( ctxHdl IN ctxType, batchSize IN NUMBER);

DECLARE

       l_ctx dbms_xmlsave.ctxType;

      BEGIN

        l_ctx := dbms_xmlsave.newContext('EMP2'); 

        dbms_xmlsave.setCommitBatch(l_ctx, 100);

      END;

      /

SETDATEFORMAT

Sets the format of the generated dates in the XML document dbms_xmlsave.setDateFormat( ctxHdl IN ctxType, mask IN VARCHAR2);

DECLARE

       l_ctx dbms_xmlsave.ctxType;

      BEGIN

        l_ctx := dbms_xmlsave.newContext('EMP2'); 

        dbms_xmlsave.setDateFormat(l_ctx, dbms_xmlsave.default_date_format);

      END;

      /

SETIGNORECASE

The XSU does mapping of XML elements to database dbms_xmlsave.setIgnoreCase( ctxHdl IN ctxType, flag IN NUMBER);

DECLARE

       cnt    INTEGER;

       xmlCtx dbms_xmlsave.ctxType;

       xmlTxt CLOB :='<Log><Item><OldValue>jones</OldValue><NewValue>JONES</NewValue></Item>'

      ||'<Item><OldValue>smith</OldValue><NewValue>SMITH</NewValue></Item></Log>';

      BEGIN

        xmlCtx := dbms_xmlsave.newContext('T');

        dbms_xmlsave.setIgnoreCase(xmlCtx, 1);

        dbms_xmlsave.closeContext(xmlCtx);

      END;

      /

SETKEYCOLUMN

Adds a column to the key column list dbms_xmlsave.setKeyColumn(ctxHdl IN ctxType, colName IN VARCHAR2);

TBD

SETPRESERVEWHITESPACE

Tells the XSU whether to preserve whitespace or not dbms_xmlsave.setPreserveWhitespace( ctxHdl IN ctxType, flag IN BOOLEAN := TRUE);

DECLARE

       l_ctx dbms_xmlsave.ctxType;

      BEGIN

        l_ctx := dbms_xmlsave.newContext('EMP2'); 

        dbms_xmlsave.setPreserveWhitespace(l_ctx, TRUE);

      END;

      /

SETROWTAG

Names the tag used in the XML document to enclose the XML elements corresponding to database dbms_xmlsave.setRowTag(ctxHdl IN ctxType, tag IN VARCHAR2);

TBD

SETSQLTOXMLNAMEESCAPING

This turns on or off escaping of XML tags in the case that the SQL object name, which is mapped to a XML identifier, is not a valid XML identifier dbms_xmlsave.setSQLToXMLNameEscaping( ctxHdl IN ctxType, flag IN BOOLEAN := TRUE);

DECLARE

       l_ctx dbms_xmlsave.ctxType;

      BEGIN

        l_ctx := dbms_xmlsave.newContext('EMP2'); 

        dbms_xmlsave.setSQLToXMLNameEscaping(l_ctx, TRUE);

      END;

      /

SETUPDATECOLUMN

Adds a column to the update column list dbms_xmlsave.setUpdateColumn( ctxHdl IN ctxType, colName IN VARCHAR2);

TBD

SETXSLT

Registers a XSL transform to be applied to the XML to be saved
Overload 1 dbms_xmlsave.setXSLT( ctxHdl IN ctxType, uri IN VARCHAR2, ref IN VARCHAR2 := NULL);

TBD

Overload 2 dbms_xmlsave.setXSLT( ctxHdl IN ctxType, stylesheet IN CLOB, ref IN VARCHAR2 := NULL);

TBD

SETXSLTPARAM

Sets the value of a top-level stylesheet parameter dbms_xmlsave.setXSLTParam( ctxHdl IN ctxType, name IN VARCHAR2, value IN VARCHAR2);

TBD

UPDATEXML

Updates the table given the XML document
Overload 1 dbms_xmlsave.updateXML( ctxHdl IN ctxType, xDoc IN VARCHAR2) RETURN NUMBER;

TBD

Overload 2 dbms_xmlsave.updateXML( ctxHdl IN ctxType, xDoc IN CLOB) RETURN NUMBER;

TBD

USEDBDATES

Used Database Dates dbms_xmlsave.useDBDates( ctxHdl IN ctxType, flag IN BOOLEAN := TRUE);

DECLARE

       xmlCtx dbms_xmlsave.ctxType;

      BEGIN

        xmlCtx := dbms_xmlsave.newContext('ORDERS');

        dbms_xmlsave.useDBDates(xmlCtx, TRUE);

        dbms_xmlsave.closeContext(xmlCtx);

      END;

      /