ABAP Select data from SAP table DTFIAP_50 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DTFIAP_50 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 DTFIAP_50. 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 DTFIAP_50 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_DTFIAP_50 TYPE STANDARD TABLE OF DTFIAP_50,
      WA_DTFIAP_50 TYPE DTFIAP_50,
      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: <DTFIAP_50> TYPE DTFIAP_50.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DTFIAP_50.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DTFIAP_50
  INTO TABLE IT_DTFIAP_50.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DTFIAP_50
*  INTO TABLE @DATA(IT_DTFIAP_502).
*--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_DTFIAP_50 INDEX 1 INTO DATA(WA_DTFIAP_502).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DTFIAP_50 ASSIGNING <DTFIAP_50>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DTFIAP_50>-MANDT = 1.
<DTFIAP_50>-ZBUKR = 1.
<DTFIAP_50>-HBKID = 1.
<DTFIAP_50>-HKTID = 1.
<DTFIAP_50>-ORT01 = 1.

ENDLOOP.

LOOP AT IT_DTFIAP_50 INTO WA_DTFIAP_50.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DTFIAP_50-BANKL, sy-vline,
  WA_DTFIAP_50-BANKA, sy-vline,
  WA_DTFIAP_50-RZAWE, sy-vline,
  WA_DTFIAP_50-CHECT, sy-vline,
  WA_DTFIAP_50-CHECF, sy-vline,
  WA_DTFIAP_50-LIFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DTFIAP_50 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_DTFIAP_50 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_DTFIAP_50 INTO WA_DTFIAP_50.


*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 ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DTFIAP_50-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFIAP_50-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DTFIAP_50-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFIAP_50-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field UBHKT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DTFIAP_50-UBHKT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFIAP_50-UBHKT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DTFIAP_50-VBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFIAP_50-VBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_DTFIAP_50-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFIAP_50-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field RWBTR
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_DTFIAP_50-RWBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFIAP_50-RWBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REC_BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DTFIAP_50-REC_BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFIAP_50-REC_BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field REC_GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_DTFIAP_50-REC_GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFIAP_50-REC_GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC132, internal->external for field RWSKT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_DTFIAP_50-RWSKT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DTFIAP_50-RWSKT.
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_DTFIAP_50_STR, 
MANDT TYPE STRING,
ZBUKR TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
ORT01 TYPE STRING,
BANKL TYPE STRING,
BANKA TYPE STRING,
RZAWE TYPE STRING,
CHECT TYPE STRING,
CHECF TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
UBHKT TYPE STRING,
VBLNR TYPE STRING,
FISCVAR TYPE STRING,
GJAHR TYPE STRING,
ZALDT TYPE STRING,
WAERS TYPE STRING,
RWBTR TYPE STRING,
BANCD TYPE STRING,
ZANRE TYPE STRING,
ZNME1 TYPE STRING,
ZPSTL TYPE STRING,
ZORT1 TYPE STRING,
ZSTRA TYPE STRING,
ZPFAC TYPE STRING,
ZLAND TYPE STRING,
ZREGI TYPE STRING,
ZBNKS TYPE STRING,
ZBNKN TYPE STRING,
ZBNKL TYPE STRING,
ZBKON TYPE STRING,
ZSWIF TYPE STRING,
ZIBAN TYPE STRING,
VOIDR TYPE STRING,
VOIDD TYPE STRING,
VOIDU TYPE STRING,
ZPST2 TYPE STRING,
PERNR TYPE STRING,
REC_BELNR TYPE STRING,
REC_GJAHR TYPE STRING,
ZPFOR TYPE STRING,
RWSKT TYPE STRING,
XAUSC TYPE STRING,
CHECM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DTFIAP_50_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_DTFIAP_50_STR-MANDT sy-vline 
WA_DTFIAP_50_STR-ZBUKR sy-vline 
WA_DTFIAP_50_STR-HBKID sy-vline 
WA_DTFIAP_50_STR-HKTID sy-vline 
WA_DTFIAP_50_STR-ORT01 sy-vline 
WA_DTFIAP_50_STR-BANKL sy-vline 
WA_DTFIAP_50_STR-BANKA sy-vline 
WA_DTFIAP_50_STR-RZAWE sy-vline 
WA_DTFIAP_50_STR-CHECT sy-vline 
WA_DTFIAP_50_STR-CHECF sy-vline 
WA_DTFIAP_50_STR-LIFNR sy-vline 
WA_DTFIAP_50_STR-KUNNR sy-vline 
WA_DTFIAP_50_STR-UBHKT sy-vline 
WA_DTFIAP_50_STR-VBLNR sy-vline 
WA_DTFIAP_50_STR-FISCVAR sy-vline 
WA_DTFIAP_50_STR-GJAHR sy-vline 
WA_DTFIAP_50_STR-ZALDT sy-vline 
WA_DTFIAP_50_STR-WAERS sy-vline 
WA_DTFIAP_50_STR-RWBTR sy-vline 
WA_DTFIAP_50_STR-BANCD sy-vline 
WA_DTFIAP_50_STR-ZANRE sy-vline 
WA_DTFIAP_50_STR-ZNME1 sy-vline 
WA_DTFIAP_50_STR-ZPSTL sy-vline 
WA_DTFIAP_50_STR-ZORT1 sy-vline 
WA_DTFIAP_50_STR-ZSTRA sy-vline 
WA_DTFIAP_50_STR-ZPFAC sy-vline 
WA_DTFIAP_50_STR-ZLAND sy-vline 
WA_DTFIAP_50_STR-ZREGI sy-vline 
WA_DTFIAP_50_STR-ZBNKS sy-vline 
WA_DTFIAP_50_STR-ZBNKN sy-vline 
WA_DTFIAP_50_STR-ZBNKL sy-vline 
WA_DTFIAP_50_STR-ZBKON sy-vline 
WA_DTFIAP_50_STR-ZSWIF sy-vline 
WA_DTFIAP_50_STR-ZIBAN sy-vline 
WA_DTFIAP_50_STR-VOIDR sy-vline 
WA_DTFIAP_50_STR-VOIDD sy-vline 
WA_DTFIAP_50_STR-VOIDU sy-vline 
WA_DTFIAP_50_STR-ZPST2 sy-vline 
WA_DTFIAP_50_STR-PERNR sy-vline 
WA_DTFIAP_50_STR-REC_BELNR sy-vline 
WA_DTFIAP_50_STR-REC_GJAHR sy-vline 
WA_DTFIAP_50_STR-ZPFOR sy-vline 
WA_DTFIAP_50_STR-RWSKT sy-vline 
WA_DTFIAP_50_STR-XAUSC sy-vline 
WA_DTFIAP_50_STR-CHECM sy-vline      INTO ld_text SEPARATED BY SPACE.

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