ABAP Select data from SAP table TFAGS_EXC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TFAGS_EXC
*  INTO TABLE @DATA(IT_TFAGS_EXC2).
*--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_TFAGS_EXC INDEX 1 INTO DATA(WA_TFAGS_EXC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TFAGS_EXC>-BELNR = 1.
<TFAGS_EXC>-BUKRS = 1.
<TFAGS_EXC>-GJAHR = 1.
<TFAGS_EXC>-BUZEI = 1.
<TFAGS_EXC>-WAERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TFAGS_EXC-XNETB, sy-vline,
  WA_TFAGS_EXC-BSTAT, sy-vline,
  WA_TFAGS_EXC-UMSKZ, sy-vline,
  WA_TFAGS_EXC-UMSKS, sy-vline,
  WA_TFAGS_EXC-KOART, sy-vline,
  WA_TFAGS_EXC-HKONT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TFAGS_EXC 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_TFAGS_EXC 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_TFAGS_EXC INTO WA_TFAGS_EXC.


*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 BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TFAGS_EXC-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TFAGS_EXC-BELNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CCBTC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TFAGS_EXC-CCBTC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TFAGS_EXC-CCBTC.
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_TFAGS_EXC_STR, 
BELNR TYPE STRING,
BUKRS TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
WAERS TYPE STRING,
XNETB TYPE STRING,
BSTAT TYPE STRING,
UMSKZ TYPE STRING,
UMSKS TYPE STRING,
KOART TYPE STRING,
HKONT TYPE STRING,
SAKNR TYPE STRING,
PARGB TYPE STRING,
MABER TYPE STRING,
SHKZG TYPE STRING,
XANET TYPE STRING,
MWSKZ TYPE STRING,
ZTERM TYPE STRING,
ZFBDT TYPE STRING,
REBZG TYPE STRING,
REBZJ TYPE STRING,
REBZZ TYPE STRING,
ZBFIX TYPE STRING,
ANFBN TYPE STRING,
ANFBJ TYPE STRING,
ANFBU TYPE STRING,
MWSK1 TYPE STRING,
MWSK2 TYPE STRING,
MWSK3 TYPE STRING,
VBUND TYPE STRING,
ZLSPR TYPE STRING,
MANSP TYPE STRING,
RSTGR TYPE STRING,
XEGDR TYPE STRING,
HBKID TYPE STRING,
BVTYP TYPE STRING,
DABRZ TYPE STRING,
LANDL TYPE STRING,
LZBKZ TYPE STRING,
CCBTC TYPE STRING,
XNEGP TYPE STRING,
REBZT TYPE STRING,
ZUMSK TYPE STRING,
DTWS1 TYPE STRING,
DTWS2 TYPE STRING,
DTWS3 TYPE STRING,
DTWS4 TYPE STRING,
BSCHL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TFAGS_EXC_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_TFAGS_EXC_STR-BELNR sy-vline 
WA_TFAGS_EXC_STR-BUKRS sy-vline 
WA_TFAGS_EXC_STR-GJAHR sy-vline 
WA_TFAGS_EXC_STR-BUZEI sy-vline 
WA_TFAGS_EXC_STR-WAERS sy-vline 
WA_TFAGS_EXC_STR-XNETB sy-vline 
WA_TFAGS_EXC_STR-BSTAT sy-vline 
WA_TFAGS_EXC_STR-UMSKZ sy-vline 
WA_TFAGS_EXC_STR-UMSKS sy-vline 
WA_TFAGS_EXC_STR-KOART sy-vline 
WA_TFAGS_EXC_STR-HKONT sy-vline 
WA_TFAGS_EXC_STR-SAKNR sy-vline 
WA_TFAGS_EXC_STR-PARGB sy-vline 
WA_TFAGS_EXC_STR-MABER sy-vline 
WA_TFAGS_EXC_STR-SHKZG sy-vline 
WA_TFAGS_EXC_STR-XANET sy-vline 
WA_TFAGS_EXC_STR-MWSKZ sy-vline 
WA_TFAGS_EXC_STR-ZTERM sy-vline 
WA_TFAGS_EXC_STR-ZFBDT sy-vline 
WA_TFAGS_EXC_STR-REBZG sy-vline 
WA_TFAGS_EXC_STR-REBZJ sy-vline 
WA_TFAGS_EXC_STR-REBZZ sy-vline 
WA_TFAGS_EXC_STR-ZBFIX sy-vline 
WA_TFAGS_EXC_STR-ANFBN sy-vline 
WA_TFAGS_EXC_STR-ANFBJ sy-vline 
WA_TFAGS_EXC_STR-ANFBU sy-vline 
WA_TFAGS_EXC_STR-MWSK1 sy-vline 
WA_TFAGS_EXC_STR-MWSK2 sy-vline 
WA_TFAGS_EXC_STR-MWSK3 sy-vline 
WA_TFAGS_EXC_STR-VBUND sy-vline 
WA_TFAGS_EXC_STR-ZLSPR sy-vline 
WA_TFAGS_EXC_STR-MANSP sy-vline 
WA_TFAGS_EXC_STR-RSTGR sy-vline 
WA_TFAGS_EXC_STR-XEGDR sy-vline 
WA_TFAGS_EXC_STR-HBKID sy-vline 
WA_TFAGS_EXC_STR-BVTYP sy-vline 
WA_TFAGS_EXC_STR-DABRZ sy-vline 
WA_TFAGS_EXC_STR-LANDL sy-vline 
WA_TFAGS_EXC_STR-LZBKZ sy-vline 
WA_TFAGS_EXC_STR-CCBTC sy-vline 
WA_TFAGS_EXC_STR-XNEGP sy-vline 
WA_TFAGS_EXC_STR-REBZT sy-vline 
WA_TFAGS_EXC_STR-ZUMSK sy-vline 
WA_TFAGS_EXC_STR-DTWS1 sy-vline 
WA_TFAGS_EXC_STR-DTWS2 sy-vline 
WA_TFAGS_EXC_STR-DTWS3 sy-vline 
WA_TFAGS_EXC_STR-DTWS4 sy-vline 
WA_TFAGS_EXC_STR-BSCHL sy-vline      INTO ld_text SEPARATED BY SPACE.

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