ABAP Select data from SAP table CNV_PE_S_S4_TL_OPR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CNV_PE_S_S4_TL_OPR 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 CNV_PE_S_S4_TL_OPR. 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 CNV_PE_S_S4_TL_OPR 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_CNV_PE_S_S4_TL_OPR TYPE STANDARD TABLE OF CNV_PE_S_S4_TL_OPR,
      WA_CNV_PE_S_S4_TL_OPR TYPE CNV_PE_S_S4_TL_OPR,
      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: <CNV_PE_S_S4_TL_OPR> TYPE CNV_PE_S_S4_TL_OPR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CNV_PE_S_S4_TL_OPR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CNV_PE_S_S4_TL_OPR
  INTO TABLE IT_CNV_PE_S_S4_TL_OPR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CNV_PE_S_S4_TL_OPR
*  INTO TABLE @DATA(IT_CNV_PE_S_S4_TL_OPR2).
*--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_CNV_PE_S_S4_TL_OPR INDEX 1 INTO DATA(WA_CNV_PE_S_S4_TL_OPR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CNV_PE_S_S4_TL_OPR ASSIGNING <CNV_PE_S_S4_TL_OPR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CNV_PE_S_S4_TL_OPR>-PLNTY = 1.
<CNV_PE_S_S4_TL_OPR>-PLNNR = 1.
<CNV_PE_S_S4_TL_OPR>-PLNAL = 1.
<CNV_PE_S_S4_TL_OPR>-PLNKN = 1.
<CNV_PE_S_S4_TL_OPR>-VORNR = 1.

ENDLOOP.

LOOP AT IT_CNV_PE_S_S4_TL_OPR INTO WA_CNV_PE_S_S4_TL_OPR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CNV_PE_S_S4_TL_OPR-UVORN, sy-vline,
  WA_CNV_PE_S_S4_TL_OPR-STEUS, sy-vline,
  WA_CNV_PE_S_S4_TL_OPR-ARBPL, sy-vline,
  WA_CNV_PE_S_S4_TL_OPR-WERKS, sy-vline,
  WA_CNV_PE_S_S4_TL_OPR-KTSCH, sy-vline,
  WA_CNV_PE_S_S4_TL_OPR-LTXA1, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CNV_PE_S_S4_TL_OPR 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_CNV_PE_S_S4_TL_OPR 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_CNV_PE_S_S4_TL_OPR INTO WA_CNV_PE_S_S4_TL_OPR.


*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.
ENDFORM. 

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

TYPES: BEGIN OF T_CNV_PE_S_S4_TL_OPR_STR, 
PLNTY TYPE STRING,
PLNNR TYPE STRING,
PLNAL TYPE STRING,
PLNKN TYPE STRING,
VORNR TYPE STRING,
UVORN TYPE STRING,
STEUS TYPE STRING,
ARBPL TYPE STRING,
WERKS TYPE STRING,
KTSCH TYPE STRING,
LTXA1 TYPE STRING,
TXTSP TYPE STRING,
LOANZ TYPE STRING,
LOART TYPE STRING,
QUALF TYPE STRING,
LOGRP TYPE STRING,
SORTL TYPE STRING,
LIFNR TYPE STRING,
BMEIH TYPE STRING,
BMVRG TYPE STRING,
PREIS TYPE STRING,
PEINH TYPE STRING,
SAKTO TYPE STRING,
WAERS TYPE STRING,
INFNR TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
MATKL TYPE STRING,
ANZZL TYPE STRING,
PRZNT TYPE STRING,
INDET TYPE STRING,
LARNT TYPE STRING,
ANLZU TYPE STRING,
ISTRU TYPE STRING,
VERTL TYPE STRING,
PLIFZ TYPE STRING,
DAUNO TYPE STRING,
DAUNE TYPE STRING,
EINSA TYPE STRING,
EINSE TYPE STRING,
ARBEI TYPE STRING,
ARBEH TYPE STRING,
SLWID TYPE STRING,
AUFKT TYPE STRING,
USR00 TYPE STRING,
USR01 TYPE STRING,
USR02 TYPE STRING,
USR03 TYPE STRING,
USR04 TYPE STRING,
USE04 TYPE STRING,
USR05 TYPE STRING,
USE05 TYPE STRING,
USR06 TYPE STRING,
USE06 TYPE STRING,
USR07 TYPE STRING,
USE07 TYPE STRING,
USR08 TYPE STRING,
USR09 TYPE STRING,
USR10 TYPE STRING,
USR11 TYPE STRING,
OFFSTB TYPE STRING,
EHOFFB TYPE STRING,
OFFSTE TYPE STRING,
EHOFFE TYPE STRING,
EQUNR TYPE STRING,
TPLNR TYPE STRING,
EBELP TYPE STRING,
EBELN TYPE STRING,
LTXA2 TYPE STRING,
SUMNR TYPE STRING,
SUBPLNTY TYPE STRING,
SUBPLNNR TYPE STRING,
SUBPLNAL TYPE STRING,
XEXCLTL TYPE STRING,
PACKNO TYPE STRING,
AENNR TYPE STRING,
DATUV TYPE STRING,
LOEKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CNV_PE_S_S4_TL_OPR_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_CNV_PE_S_S4_TL_OPR_STR-PLNTY sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-PLNNR sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-PLNAL sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-PLNKN sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-VORNR sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-UVORN sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-STEUS sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-ARBPL sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-WERKS sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-KTSCH sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-LTXA1 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-TXTSP sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-LOANZ sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-LOART sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-QUALF sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-LOGRP sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-SORTL sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-LIFNR sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-BMEIH sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-BMVRG sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-PREIS sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-PEINH sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-SAKTO sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-WAERS sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-INFNR sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-EKORG sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-EKGRP sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-MATKL sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-ANZZL sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-PRZNT sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-INDET sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-LARNT sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-ANLZU sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-ISTRU sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-VERTL sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-PLIFZ sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-DAUNO sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-DAUNE sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-EINSA sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-EINSE sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-ARBEI sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-ARBEH sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-SLWID sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-AUFKT sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR00 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR01 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR02 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR03 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR04 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USE04 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR05 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USE05 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR06 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USE06 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR07 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USE07 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR08 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR09 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR10 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-USR11 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-OFFSTB sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-EHOFFB sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-OFFSTE sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-EHOFFE sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-EQUNR sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-TPLNR sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-EBELP sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-EBELN sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-LTXA2 sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-SUMNR sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-SUBPLNTY sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-SUBPLNNR sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-SUBPLNAL sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-XEXCLTL sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-PACKNO sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-AENNR sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-DATUV sy-vline 
WA_CNV_PE_S_S4_TL_OPR_STR-LOEKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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