ABAP Select data from SAP table ISPAYTFRMTCUSTNODETP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ISPAYTFRMTCUSTNODETP table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to ISPAYTFRMTCUSTNODETP. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the ISPAYTFRMTCUSTNODETP table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_ISPAYTFRMTCUSTNODETP TYPE STANDARD TABLE OF ISPAYTFRMTCUSTNODETP,
      WA_ISPAYTFRMTCUSTNODETP TYPE ISPAYTFRMTCUSTNODETP,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <ISPAYTFRMTCUSTNODETP> TYPE ISPAYTFRMTCUSTNODETP.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ISPAYTFRMTCUSTNODETP.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ISPAYTFRMTCUSTNODETP
  INTO TABLE IT_ISPAYTFRMTCUSTNODETP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISPAYTFRMTCUSTNODETP
*  INTO TABLE @DATA(IT_ISPAYTFRMTCUSTNODETP2).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_ISPAYTFRMTCUSTNODETP INDEX 1 INTO DATA(WA_ISPAYTFRMTCUSTNODETP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ISPAYTFRMTCUSTNODETP ASSIGNING <ISPAYTFRMTCUSTNODETP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISPAYTFRMTCUSTNODETP>-KEY = 1.
<ISPAYTFRMTCUSTNODETP>-PARENT_KEY = 1.
<ISPAYTFRMTCUSTNODETP>-ROOT_KEY = 1.
<ISPAYTFRMTCUSTNODETP>-HIERARCHYTREETYPE = 1.
<ISPAYTFRMTCUSTNODETP>-HIERARCHYTREE = 1.

ENDLOOP.

LOOP AT IT_ISPAYTFRMTCUSTNODETP INTO WA_ISPAYTFRMTCUSTNODETP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISPAYTFRMTCUSTNODETP-HIERARCHYTREEVERSION, sy-vline,
  WA_ISPAYTFRMTCUSTNODETP-HIERARCHYNODE, sy-vline,
  WA_ISPAYTFRMTCUSTNODETP-NODENAME, sy-vline,
  WA_ISPAYTFRMTCUSTNODETP-HIERARCHYNODEREFERENCE, sy-vline,
  WA_ISPAYTFRMTCUSTNODETP-PARENTNODE, sy-vline,
  WA_ISPAYTFRMTCUSTNODETP-SIBLINGNODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISPAYTFRMTCUSTNODETP you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_ISPAYTFRMTCUSTNODETP TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_ISPAYTFRMTCUSTNODETP INTO WA_ISPAYTFRMTCUSTNODETP.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ISOLA, internal->external for field HIERARCHYTREEORIGINALLANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISPAYTFRMTCUSTNODETP-HIERARCHYTREEORIGINALLANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISPAYTFRMTCUSTNODETP-HIERARCHYTREEORIGINALLANGUAGE.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ISPAYTFRMTCUSTNODETP_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
HIERARCHYTREETYPE TYPE STRING,
HIERARCHYTREE TYPE STRING,
HIERARCHYTREEVERSION TYPE STRING,
HIERARCHYNODE TYPE STRING,
NODENAME TYPE STRING,
HIERARCHYNODEREFERENCE TYPE STRING,
PARENTNODE TYPE STRING,
SIBLINGNODE TYPE STRING,
CHILDNODE TYPE STRING,
NODETYPE TYPE STRING,
OUTPUTLENGTHVALUE TYPE STRING,
OUTPUTVALUEDATATYPE TYPE STRING,
OUTPUTOBLIGATIONSTATUS TYPE STRING,
HIERARCHYNODELEVEL TYPE STRING,
ENTIRETABLEISPROCESSED TYPE STRING,
INTERNALTABLEKEYFIELD TYPE STRING,
ATOMPROCESSINGTYPE TYPE STRING,
OUTPUTVALUEOFFSET TYPE STRING,
VALUESOURCESTRUCTURE TYPE STRING,
VALUESOURCESTRUCTUREFIELD TYPE STRING,
VALUESOURCESTRUCTUREFIELDOFFST TYPE STRING,
SOURCEDATAORIGLINTERFACETYPE TYPE STRING,
HIERARCHYREFERREDNODE TYPE STRING,
HIERARCHYREFERREDNODECNTNTTYPE TYPE STRING,
HIERARCHYREFERREDNODEREFERENCE TYPE STRING,
SOURCECONSTANTVALUE TYPE STRING,
OUTPUTCONVERSIONFUNCTION TYPE STRING,
MAPPINGFUNCTION TYPE STRING,
MAPPINGTYPE TYPE STRING,
REFERENCEUNITTABLE TYPE STRING,
REFERENCEUNITTABLEFIELD TYPE STRING,
REFERENCEUNITTABLEFIELDTYPE TYPE STRING,
TEXTOUTPUTID TYPE STRING,
DELAYEDSEGMENTPROCESSING TYPE STRING,
SEGMENTCLOSINGRULE TYPE STRING,
SEGMENTISCARRIAGERETSEPARATED TYPE STRING,
SEGMENTISLINEFEEDSEPARATED TYPE STRING,
SEGMENTISEMPTY TYPE STRING,
CHECKFUNCTION TYPE STRING,
USERFILECHECKMESSAGETYPE TYPE STRING,
FUNCTIONFILECHECKMESSAGETYPE TYPE STRING,
USERFILECHECKMESSAGECLASS TYPE STRING,
USERFILECHECKMESSAGE TYPE STRING,
FUNCTIONFILECHECKMESSAGECLASS TYPE STRING,
FUNCTIONFILECHECKMESSAGE TYPE STRING,
ISTRAILERSEGMENT TYPE STRING,
INPUTCONVERSIONFUNCTION TYPE STRING,
LENGTHISBYTES TYPE STRING,
HIERARCHYNODESHORTTEXT TYPE STRING,
HIERARCHYNODEISNEW TYPE STRING,
HIERARCHYNODEISREDEFINED TYPE STRING,
HIERARCHYNODEISDEACTIVATED TYPE STRING,
HIERARCHYTREEVARIABLENAME TYPE STRING,
HIERARCHYTREEORIGINALLANGUAGE TYPE STRING,
HIERARCHYTREEREDEFINITIONLEVEL TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISPAYTFRMTCUSTNODETP_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_ISPAYTFRMTCUSTNODETP_STR-KEY sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-PARENT_KEY sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-ROOT_KEY sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYTREETYPE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYTREE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYTREEVERSION sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYNODE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-NODENAME sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYNODEREFERENCE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-PARENTNODE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-SIBLINGNODE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-CHILDNODE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-NODETYPE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-OUTPUTLENGTHVALUE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-OUTPUTVALUEDATATYPE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-OUTPUTOBLIGATIONSTATUS sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYNODELEVEL sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-ENTIRETABLEISPROCESSED sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-INTERNALTABLEKEYFIELD sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-ATOMPROCESSINGTYPE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-OUTPUTVALUEOFFSET sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-VALUESOURCESTRUCTURE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-VALUESOURCESTRUCTUREFIELD sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-VALUESOURCESTRUCTUREFIELDOFFST sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-SOURCEDATAORIGLINTERFACETYPE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYREFERREDNODE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYREFERREDNODECNTNTTYPE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYREFERREDNODEREFERENCE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-SOURCECONSTANTVALUE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-OUTPUTCONVERSIONFUNCTION sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-MAPPINGFUNCTION sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-MAPPINGTYPE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-REFERENCEUNITTABLE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-REFERENCEUNITTABLEFIELD sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-REFERENCEUNITTABLEFIELDTYPE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-TEXTOUTPUTID sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-DELAYEDSEGMENTPROCESSING sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-SEGMENTCLOSINGRULE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-SEGMENTISCARRIAGERETSEPARATED sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-SEGMENTISLINEFEEDSEPARATED sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-SEGMENTISEMPTY sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-CHECKFUNCTION sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-USERFILECHECKMESSAGETYPE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-FUNCTIONFILECHECKMESSAGETYPE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-USERFILECHECKMESSAGECLASS sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-USERFILECHECKMESSAGE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-FUNCTIONFILECHECKMESSAGECLASS sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-FUNCTIONFILECHECKMESSAGE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-ISTRAILERSEGMENT sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-INPUTCONVERSIONFUNCTION sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-LENGTHISBYTES sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYNODESHORTTEXT sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYNODEISNEW sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYNODEISREDEFINED sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYNODEISDEACTIVATED sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYTREEVARIABLENAME sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYTREEORIGINALLANGUAGE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HIERARCHYTREEREDEFINITIONLEVEL sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-HASACTIVEENTITY sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISPAYTFRMTCUSTNODETP_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.