Oracle Stored Procedure to Generate XML Data
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---- Sample code for concurrent program PROCEDURE generate(errbuf OUT VARCHAR2 , retcode OUT NUMBER) IS l_xml_data clob; l_query VARCHAR2(32767); l_queryCtx dbms_xmlquery.ctxType; BEGIN l_query := 'select empno, ename, sal from scott.emp'; l_queryCtx := dbms_xmlquery.newContext(l_query); l_xml_data := dbms_xmlquery.getXml(l_queryCtx); dbms_xmlquery.closeContext(l_queryCtx); FND_FILE.PUT_LINE(FND_FILE.output, l_xml_data); DBMS_LOB.FREETEMPORARY (l_xml_data); EXCEPTION WHEN OTHERS THEN FND_FILE.PUT_LINE(FND_FILE.log,SQLERRM); retcode := '2'; END generate; ---- Query Example 1 SELECT dbms_xmlgen.getxml('SELECT empno, ename, sal FROM scott.emp WHERE rownum<3') xml FROM dual; <?xml version="1.0"?> <ROWSET> <ROW> <EMPNO>7369</EMPNO> <ENAME>SMITH</ENAME> <SAL>800</SAL> </ROW> <ROW> <EMPNO>7499</EMPNO> <ENAME>ALLEN</ENAME> <SAL>1600</SAL> </ROW> </ROWSET> ---- Query Example 2 SELECT DBMS_XMLGEN.getxml('SELECT dname , loc , CURSOR(SELECT empno, ename, sal FROM scott.emp e WHERE e.deptno = d.deptno) emp_row FROM scott.dept d WHERE d.deptno = 10') xml FROM DUAL; <?xml version="1.0"?> <ROWSET> <ROW> <DNAME>ACCOUNTING</DNAME> <LOC>NEW YORK</LOC> <EMP_ROW> <EMP_ROW_ROW> <EMPNO>7782</EMPNO>
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Transcript of Oracle Stored Procedure to Generate XML Data
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