ABAP Select data from SAP table TXI_DFKKSUMC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TXI_DFKKSUMC
*  INTO TABLE @DATA(IT_TXI_DFKKSUMC2).
*--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_TXI_DFKKSUMC INDEX 1 INTO DATA(WA_TXI_DFKKSUMC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TXI_DFKKSUMC>-MANDT = 1.
<TXI_DFKKSUMC>-FIKEY = 1.
<TXI_DFKKSUMC>-FIKST = 1.
<TXI_DFKKSUMC>-FIKVS = 1.
<TXI_DFKKSUMC>-SUMSZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TXI_DFKKSUMC-CPUDT, sy-vline,
  WA_TXI_DFKKSUMC-XERRO, sy-vline,
  WA_TXI_DFKKSUMC-KORLV, sy-vline,
  WA_TXI_DFKKSUMC-UEBIS, sy-vline,
  WA_TXI_DFKKSUMC-UEKLV, sy-vline,
  WA_TXI_DFKKSUMC-XUEVO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TXI_DFKKSUMC 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_TXI_DFKKSUMC 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_TXI_DFKKSUMC INTO WA_TXI_DFKKSUMC.


*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_TXI_DFKKSUMC_STR, 
MANDT TYPE STRING,
FIKEY TYPE STRING,
FIKST TYPE STRING,
FIKVS TYPE STRING,
SUMSZ TYPE STRING,
CPUDT TYPE STRING,
XERRO TYPE STRING,
KORLV TYPE STRING,
UEBIS TYPE STRING,
UEKLV TYPE STRING,
XUEVO TYPE STRING,
XCLOS TYPE STRING,
RESOB TYPE STRING,
RESKY TYPE STRING,
XARCH TYPE STRING,
ERNAM TYPE STRING,
CLDAT TYPE STRING,
CLTIM TYPE STRING,
CLNAM TYPE STRING,
UECPU TYPE STRING,
BLCNT TYPE STRING,
COCNT TYPE STRING,
XUECOPA TYPE STRING,
XMISS TYPE STRING,
COMPLETE TYPE STRING,
XEXTKONT TYPE STRING,
XKORR TYPE STRING,
UEBPANR TYPE STRING,
UEBPADAT TYPE STRING,
LIMITEM TYPE STRING,
LIMRECON TYPE STRING,
XDIRTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TXI_DFKKSUMC_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_TXI_DFKKSUMC_STR-MANDT sy-vline 
WA_TXI_DFKKSUMC_STR-FIKEY sy-vline 
WA_TXI_DFKKSUMC_STR-FIKST sy-vline 
WA_TXI_DFKKSUMC_STR-FIKVS sy-vline 
WA_TXI_DFKKSUMC_STR-SUMSZ sy-vline 
WA_TXI_DFKKSUMC_STR-CPUDT sy-vline 
WA_TXI_DFKKSUMC_STR-XERRO sy-vline 
WA_TXI_DFKKSUMC_STR-KORLV sy-vline 
WA_TXI_DFKKSUMC_STR-UEBIS sy-vline 
WA_TXI_DFKKSUMC_STR-UEKLV sy-vline 
WA_TXI_DFKKSUMC_STR-XUEVO sy-vline 
WA_TXI_DFKKSUMC_STR-XCLOS sy-vline 
WA_TXI_DFKKSUMC_STR-RESOB sy-vline 
WA_TXI_DFKKSUMC_STR-RESKY sy-vline 
WA_TXI_DFKKSUMC_STR-XARCH sy-vline 
WA_TXI_DFKKSUMC_STR-ERNAM sy-vline 
WA_TXI_DFKKSUMC_STR-CLDAT sy-vline 
WA_TXI_DFKKSUMC_STR-CLTIM sy-vline 
WA_TXI_DFKKSUMC_STR-CLNAM sy-vline 
WA_TXI_DFKKSUMC_STR-UECPU sy-vline 
WA_TXI_DFKKSUMC_STR-BLCNT sy-vline 
WA_TXI_DFKKSUMC_STR-COCNT sy-vline 
WA_TXI_DFKKSUMC_STR-XUECOPA sy-vline 
WA_TXI_DFKKSUMC_STR-XMISS sy-vline 
WA_TXI_DFKKSUMC_STR-COMPLETE sy-vline 
WA_TXI_DFKKSUMC_STR-XEXTKONT sy-vline 
WA_TXI_DFKKSUMC_STR-XKORR sy-vline 
WA_TXI_DFKKSUMC_STR-UEBPANR sy-vline 
WA_TXI_DFKKSUMC_STR-UEBPADAT sy-vline 
WA_TXI_DFKKSUMC_STR-LIMITEM sy-vline 
WA_TXI_DFKKSUMC_STR-LIMRECON sy-vline 
WA_TXI_DFKKSUMC_STR-XDIRTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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