{"id":22,"date":"2012-07-30T08:27:39","date_gmt":"2012-07-30T07:27:39","guid":{"rendered":"http:\/\/www.rdlpconsultants.co.uk\/blog\/?p=22"},"modified":"2014-09-28T21:48:09","modified_gmt":"2014-09-28T20:48:09","slug":"xml-parser","status":"publish","type":"post","link":"https:\/\/www.rdlpconsultants.co.uk\/blog\/?p=22","title":{"rendered":"XML Parser"},"content":{"rendered":"

CREATE OR REPLACE FUNCTION username.parse_xml
\n( p_string\u00a0\u00a0\u00a0\u00a0 IN\u00a0\u00a0\u00a0\u00a0 VARCHAR2
\n, p_node\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 IN\u00a0\u00a0\u00a0\u00a0 VARCHAR2
\n)\u00a0 RETURN VARCHAR2 AS
\nv_data\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VARCHAR2(4000);
\nv_node\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VARCHAR2(4000);
\nv_upper_str\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VARCHAR2(4000);
\nv_startnode\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VARCHAR2(4000);
\nv_endnode\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VARCHAR2(4000);
\nv_startnodelength\u00a0\u00a0\u00a0\u00a0\u00a0 NUMBER;
\nBEGIN
\nv_node\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 := UPPER( p_node );
\nv_upper_str\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 := UPPER( p_string );
\nv_startnode\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 := ‘<‘ || v_node || ‘>’;
\nv_endnode\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 := ‘<\/’ || v_node || ‘>’;
\nv_startnodelength\u00a0\u00a0\u00a0 := LENGTH( v_startnode );
\nv_data := SUBSTR( p_string
\n, INSTR( v_upper_str, v_startnode ) + v_startnodelength
\n);
\nv_data := SUBSTR( v_data
\n, 1
\n, INSTR( UPPER( v_data ), v_endnode ) – 1
\n);
\nRETURN( TRIM(v_data) );
\nEND;
\n\/<\/p>\n

CREATE TABLE username.XML_TABLE
\n(
\nXML\u00a0 VARCHAR2(4000 BYTE)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NULL
\n)
\nORGANIZATION EXTERNAL
\n(\u00a0 TYPE ORACLE_LOADER
\nDEFAULT DIRECTORY TMP
\nACCESS PARAMETERS
\n( RECORDS DELIMITED BY ‘<\/item>’
\nBADFILE TMP’xml_file.bad’
\nLOGFILE TMP’xml_file.log’
\nFIELDS TERMINATED BY “,” LDRTRIM
\n)
\nLOCATION (TMP’xml_file.xml’)
\n)
\nREJECT LIMIT UNLIMITED
\nNOPARALLEL
\nNOMONITORING;<\/p>\n

SELECT ROWNUM item_id
\n, username.parse_xml ( xml, ‘col1’ ) col1
\n, username.parse_xml ( xml, ‘col2’ ) col2
\n, username.parse_xml ( xml, ‘col3’ ) col3
\n, username.parse_xml ( xml, ‘col4’ ) col4
\n, username.parse_xml ( xml, ‘col5’ ) col5
\nFROM\u00a0\u00a0 username.XML_TABLE;<\/p>\n","protected":false},"excerpt":{"rendered":"

CREATE OR REPLACE FUNCTION username.parse_xml ( p_string\u00a0\u00a0\u00a0\u00a0 IN\u00a0\u00a0\u00a0\u00a0 VARCHAR2 , p_node\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 IN\u00a0\u00a0\u00a0\u00a0 VARCHAR2 )\u00a0 RETURN VARCHAR2 AS v_data\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VARCHAR2(4000); v_node\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VARCHAR2(4000); v_upper_str\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VARCHAR2(4000); v_startnode\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VARCHAR2(4000); v_endnode\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 VARCHAR2(4000); v_startnodelength\u00a0\u00a0\u00a0\u00a0\u00a0 NUMBER; BEGIN v_node\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 := UPPER( p_node ); v_upper_str\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 := UPPER( p_string ); v_startnode\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 := ‘<‘ || v_node || ‘>’; v_endnode\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 := ‘<\/’ || v_node || ‘>’; v_startnodelength\u00a0\u00a0\u00a0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-22","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/www.rdlpconsultants.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/22","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.rdlpconsultants.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rdlpconsultants.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rdlpconsultants.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rdlpconsultants.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=22"}],"version-history":[{"count":2,"href":"https:\/\/www.rdlpconsultants.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/22\/revisions"}],"predecessor-version":[{"id":64,"href":"https:\/\/www.rdlpconsultants.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/22\/revisions\/64"}],"wp:attachment":[{"href":"https:\/\/www.rdlpconsultants.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rdlpconsultants.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rdlpconsultants.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}