XML file - child nodes table

Just starting to learn more about XML.

I have a simple XML I created which is




Ambient


panel1


panel2


panel3

Using the XML property - child results node table of nodes in a table of 9 elements:

#text
Probe
#text
Probe
#text
Probe
#text
Probe
#text

My question is what are all the #text that are there?  Should the child nodes be not just the probes?

It seems to me you may be heading down a dark path.  Instead of using the "table of nodes child" and fighting through the unnecessary complications and text nodes, let me suggest you look at XPath and using "get all matched Nodes.vi ' or 'Get first match Node.vi' to get the items.  XPath allows parsing XML child's play.

For example:

Of course, I hope that you use XP does not mean you use LV8.6 or earlier since the XPath screws are new to LV9.

If you use LV8.6 or earlier, I suggest looking in the .NET functions to implement XPath.  Once you get the hang of it, it still beats the attempt to parse XML the old-fashioned way.

As for the editor, I generate very few XML files by hand, for the most part I bring other programs and analyse them in LV again, XPath adjusts the rough edges.

Tags: NI Software

Similar Questions

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    I could slightly auxiliary

    concerning

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    Therefore, you should have no reason for that functionality 'map the data column in the table column"of the data loader since all mappings will be always the same.

    As a simple INSERT... The SELECT statement can (and should) be used.

    (use the FUSION if you update / insert data).

    I copy + paste some of my code in a procedure that I use.

    You will need to replace the parameter name (p_filename) with the value of appropriate link (name of item)

      declare
    l_XML XMLType;
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    begin
        select XMLType( blob_content, 1 ) -- 1 means that the file is USACII encoded. this may need to be changed.
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        from wwv_flow_files where name = p_filename; -- replace this with the appropriate ITEM NAME
    exception
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        raise_application_error( -20001, 'not in FLOW: ''' || p_filename || '''' );
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    FROM  XMLTable( '/'
pasing l_xml
            columns
                   PATH  -- repeat for each "column" you want to extract
        );

   delete from wwv_flow_files where name=p_filename;
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  • Loading nested XML file to a table

    Hi I have the following XML code.

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    < name > SampleAddition_Outer < / name >
    < revision > 0 < / revision >
    -< ProtocolSteps >
    -< ProtocolStep >
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    < EnumProtocolStep > SampleAddition < / EnumProtocolStep >
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    -< ParameterList >
    < string > SampleDispVol < / string >
    < string > SampleOverAspVol < / string >
    < string > LeadAirGap < / string >
    < string > TrailAirGap < / string >
    < string > SPPumpAspSpeed < / string >
    < string > SPPumpDispSpeed < / string >
    < string > SPPumpDispHeight < / string >
    < / ParameterList >
    < IntAction > 0 < / IntAction >
    < IntProtocolStep > 0 < / IntProtocolStep >
    < SequenceName > EmptySequence < / SequenceName >
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    I understand that this table would be very standard but its OK for me now.

    I use oracle 10g.

    I loaded the entire xml in the unique xmltype column and used the following query to retrieve it.

    Select extractvalue (value (x), ' / Protocol/Name ") Nom_protocole,.
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    But it shows only Nom_protocole in the output. There is no error in the execution, but the output is not good either.
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    Could someone help out here?

    If I understand correctly, you have three levels unnest here, so you need three nested XMLSequence:

    SQL> create table tmp_xml of xmltype;

Table created

SQL>
SQL> insert into tmp_xml values(
  2  xmltype(
  3  '
  4    
  5      SampleAddition_Outer
  6      0
  7      
  8        
  9          SampleAddition
 10          SampleAddition
 11          SampleProbe
 12          
 13            SampleDispVol
 14            SampleOverAspVol
 15            LeadAirGap
 16            TrailAirGap
 17            SPPumpAspSpeed
 18            SPPumpDispSpeed
 19            SPPumpDispHeight
 20          
 21          0
 22          0
 23          EmptySequence
 24        
 25      
 26    
 27  ')
 28  );

1 row inserted

SQL>
SQL> select extractValue(value(x1), '/Protocol/Name') as Protocol_Name
  2       , extractValue(value(x1), '/Protocol/Revision') as Revision
  3       , extractValue(value(x2), '/ProtocolStep/Name') as ProtocolStep_Name
  4       , extractValue(value(x2), '/ProtocolStep/EnumProtocolStep') as EnumProtocolStep
  5       , extractValue(value(x2), '/ProtocolStep/Action') as Action
  6       , extractValue(value(x3), '/string') as ParameterList
  7  from tmp_xml t
  8     , table(xmlsequence(extract(t.object_value, '/Protocols/Protocol'))) x1
  9     , table(xmlsequence(extract(value(x1), '/Protocol/ProtocolSteps/ProtocolStep'))) x2
 10     , table(xmlsequence(extract(value(x2), '/ProtocolStep/ParameterList/string'))) x3
 11  ;

PROTOCOL_NAME             REVISION   PROTOCOLSTEP_NAME  ENUMPROTOCOLSTEP   ACTION         PARAMETERLIST
------------------------- ---------- ------------------ ------------------ -------------- -------------------
SampleAddition_Outer      0          SampleAddition     SampleAddition     SampleProbe    SampleDispVol
SampleAddition_Outer      0          SampleAddition     SampleAddition     SampleProbe    SampleOverAspVol
SampleAddition_Outer      0          SampleAddition     SampleAddition     SampleProbe    LeadAirGap
SampleAddition_Outer      0          SampleAddition     SampleAddition     SampleProbe    TrailAirGap
SampleAddition_Outer      0          SampleAddition     SampleAddition     SampleProbe    SPPumpAspSpeed
SampleAddition_Outer      0          SampleAddition     SampleAddition     SampleProbe    SPPumpDispSpeed
SampleAddition_Outer      0          SampleAddition     SampleAddition     SampleProbe    SPPumpDispHeight

7 rows selected

    Assuming you're on 10.2 you can use XMLTable as well, easier to implement IMO, but on a large XML document may not perform as well as XMLSequence if the XMLType table is not based on a schema.
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  • How to insert rows from an xml file in a table

    IM Using Oracle 11g, is show below error when I run...



    declare
    charString varchar2 (80);
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    whole rowsp;
    v_FileHandle UTL_FILE. TYPE_DE_FICHIER;
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    xmlgen.setRowsetTag ('Zipcodes');
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    xmlgen.resetOptions;
    end;
    /




    XML_NEW_CITIES. XML is

    <? XML version = "1.0"? >
    < zip codes >
    < Record mappings = "4" >
    CA < STATE_ABBREVIATION > < / STATE_ABBREVIATION >
    < ZIPCODE > 94301 < / code >
    < CITY > Palo Alto < / CITY >
    < / maps >
    < Record mappings = "5" >
    < STATE_ABBREVIATION > CO < / STATE_ABBREVIATION >
    < ZIPCODE > 80323 < / code >
    < ZIP_CODE_EXTN > 9277 < / ZIP_CODE_EXTN >
    Boulder < CITY > < / CITY >
    < / maps >
    < / zip codes >




    Error report:
    ORA-06550: line 8, column 3:
    PLS-00201: identifier ' XMLGEN. SETROWSETTAG' must be declared
    ORA-06550: line 8, column 3:
    PL/SQL: Statement ignored
    ORA-06550: line 10, column 3:
    PLS-00201: identifier ' XMLGEN. SETROWTAG' must be declared
    ORA-06550: line 10, column 3:
    PL/SQL: Statement ignored
    ORA-06550: line 14, column 34:
    PLS-00201: identifier 'TMP_DIR1' must be declared.
    ORA-06550: line 14, column 3:
    PL/SQL: Statement ignored
    ORA-06550: line 31, column 12:
    PLS-00201: identifier ' XMLGEN. INSERTXML' must be declared
    ORA-06550: line 31, column 3:
    PL/SQL: Statement ignored
    ORA-06550: line 33, column 3:
    PLS-00201: identifier ' XMLGEN. RESETOPTIONS' must be reported
    ORA-06550: line 33, column 3:
    PL/SQL: Statement ignored
    06550 00000 - "line %s, column % s:\n%s".
    * Cause: Usually a PL/SQL compilation error

    Published by: 898235 on November 20, 2011 23:02

    OK, so you tried the XMLTable example, or wait for someone write at the bottom for you? :)

    You must first create an object of directory Oracle pointing to the physical location of the file (must be somewhere on the db server or at a location that the db server can access on the network).
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    SQL> create directory tmp_dir as 'c:\temp';

Directory created

SQL> create table zipcodes (
  2   state_abbreviation  varchar2(2),
  3   zipcode             varchar2(5),
  4   zip_code_extn       varchar2(10),
  5   city                varchar2(80)
  6  );

Table created

SQL> CREATE OR REPLACE PROCEDURE insertZipcodes (
  2    p_directory IN VARCHAR2
  3  , p_filename  IN VARCHAR2
  4  )
  5  IS
  6  BEGIN
  7
  8    INSERT INTO zipcodes (state_abbreviation, zipcode, zip_code_extn, city)
  9    SELECT state_abbreviation
 10         , zipcode
 11         , zip_code_extn
 12         , city
 13    FROM XMLTable('/Zipcodes/mappings'
 14           passing xmltype(bfilename(p_directory, p_filename), nls_charset_id('AL32UTF8'))
 15           columns state_abbreviation varchar2(2)  path 'STATE_ABBREVIATION'
 16                 , zipcode            varchar2(5)  path 'ZIPCODE'
 17                 , zip_code_extn      varchar2(10) path 'ZIP_CODE_EXTN'
 18                 , city               varchar2(80) path 'CITY'
 19         )
 20    ;
 21
 22  END;
 23  /

Procedure created

SQL> exec insertZipcodes('TMP_DIR', 'xml_new_cities.xml');

PL/SQL procedure successfully completed

SQL> commit;

Commit complete

SQL> select * from zipcodes;

STATE_ABBREVIATION ZIPCODE ZIP_CODE_EXTN CITY
------------------ ------- ------------- ---------------
CA                 94301                 Palo Alto
CO                 80323   9277          Boulder

  • Store XML files in a table

    DB version: 11 GR 2

    If you were asked to store XML files in an oracle table, what kind of column would you use? BLOB or some other associated XML type?

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    SQL * Loader is today so clumsy, I think that was pretty well that day as other technologies have improved.

    XML DB FAQ Forum:

    DB XML FAQ

  • Error when inserting XML file into a table in Oracle10g

    Hi team,

    I'm trying to insert an xml file into an Oracle 10g XMLType table. During the insertion, I get following error:

    ERROR on line 1:
    ORA-22285: non-existent directory or file for FILEOPEN operation
    ORA-06512: at "SYS." DBMS_LOB", line 523
    ORA-06512: at "SYS." XMLTYPE", line 287
    ORA-06512: at line 1

    I did following steps.

    (1) create the DIRECTORY xml_dir as 'c:\xmldata ';

    (2) create table xmltab XMLType;

    The following packages are executed by schema 'Sys '.

    (1) dbmslob. SQL;
    (2) prvtlob. PLB;

    A xmldata folder is created under "c:\". "and with data_file.xml file is stored in it.

    After Insert stmt is executed that returns gives above error.

    Insert in xmltab values (XMLType (bfilename('xml_dir','data_file.xml'), nls_charset_id ('AL32UTF8')))


    Can you please give me a solution. It is very urgent.

    Thanks in advance.

    Kind regards
    Murielle

    After selecting the data in table xmltab I just got first line of the file xmldata. That is to say
    http://baro

    This must be a display problem.
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    If SQL * Plus, you won't see all content unless you set some options:
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    Could you try the following?
    {code}
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    Published by: odie_63 on 16 Feb. 2011 08:58

  • Through the XML file in a table?

    Hi all

    I am having trouble interrperting how I should browse a XML file and pushing it toward a table to display data sets.

    Here is my as:

    myXML = new XML();
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    myXML.onLoad = {function (ok)}

    If {(ok)
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    for (i = 0; i < alldata.length; i ++) {}
    trace (newline + "letter:" + alldata [i] .nodeName);

    for (r = 0; r < allEntries.length; r ++) {}
    trace(allEntries[r].nodeName+":"+allEntries[r].firstChild);
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    }

    } else {}
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    < A >

    < aardvark > he is an Aardvark < / Aardvark > <! - firstChild.firstChild.firstChild - >
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    < B >
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    < C >
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    Apple: this is an Apple
    EPA: it is a monkey

    Letter: C
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    Apple: this is an Apple
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    Any help would be greatly appreciated, thank you.

    Chris

    :

    myXML = new XML();
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    allEntries = this.firstChild.firstChild.childNodes;
    for (i = 0; i
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    for (r = 0; r
    trace (Alldata [i] Sublst.ChildNodes(1).ChildNodes(0) [r].firstChild.nodeValue);
    }
    }
    } else {}
    trace ("loading error");
    }
    };

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NAMN                                                         EDIELNO SVKID TYP_N TYP_B TYP_L TYP_O PRODAT_OMBUD EMAIL_PRODAT
------------------------------------------------------------ ------- ----- ----- ----- ----- ----- ------------ ----------------------------------------------
Ellevio AB                                                   14900   006   1     0     0     0            14900 [email protected]

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    XML file pasted below:

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