ABAP Select data from SAP table SDREBATE_AGR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SDREBATE_AGR
*  INTO TABLE @DATA(IT_SDREBATE_AGR2).
*--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_SDREBATE_AGR INDEX 1 INTO DATA(WA_SDREBATE_AGR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SDREBATE_AGR>-KNUMA = 1.
<SDREBATE_AGR>-VKORG = 1.
<SDREBATE_AGR>-VTWEG = 1.
<SDREBATE_AGR>-SPART = 1.
<SDREBATE_AGR>-BOART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SDREBATE_AGR-BONEM, sy-vline,
  WA_SDREBATE_AGR-WAERS, sy-vline,
  WA_SDREBATE_AGR-BOSTA, sy-vline,
  WA_SDREBATE_AGR-DATAB, sy-vline,
  WA_SDREBATE_AGR-DATBI, sy-vline,
  WA_SDREBATE_AGR-BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SDREBATE_AGR 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_SDREBATE_AGR 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_SDREBATE_AGR INTO WA_SDREBATE_AGR.


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

*Conversion exit ALPHA, internal->external for field BONEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SDREBATE_AGR-BONEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SDREBATE_AGR-BONEM.
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_SDREBATE_AGR_STR, 
KNUMA TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
BOART TYPE STRING,
BONEM TYPE STRING,
WAERS TYPE STRING,
BOSTA TYPE STRING,
DATAB TYPE STRING,
DATBI TYPE STRING,
BUKRS TYPE STRING,
MAVER TYPE STRING,
ENH_REBATE TYPE STRING,
PAYER_IN_VAKEY TYPE STRING,
PAYER_FROM_VAKEY TYPE STRING,
BON_ENH_VAKEY TYPE STRING,
BON_ENH_INDIRECT TYPE STRING,
BON_ENH_PERIOD_S TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SDREBATE_AGR_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_SDREBATE_AGR_STR-KNUMA sy-vline 
WA_SDREBATE_AGR_STR-VKORG sy-vline 
WA_SDREBATE_AGR_STR-VTWEG sy-vline 
WA_SDREBATE_AGR_STR-SPART sy-vline 
WA_SDREBATE_AGR_STR-BOART sy-vline 
WA_SDREBATE_AGR_STR-BONEM sy-vline 
WA_SDREBATE_AGR_STR-WAERS sy-vline 
WA_SDREBATE_AGR_STR-BOSTA sy-vline 
WA_SDREBATE_AGR_STR-DATAB sy-vline 
WA_SDREBATE_AGR_STR-DATBI sy-vline 
WA_SDREBATE_AGR_STR-BUKRS sy-vline 
WA_SDREBATE_AGR_STR-MAVER sy-vline 
WA_SDREBATE_AGR_STR-ENH_REBATE sy-vline 
WA_SDREBATE_AGR_STR-PAYER_IN_VAKEY sy-vline 
WA_SDREBATE_AGR_STR-PAYER_FROM_VAKEY sy-vline 
WA_SDREBATE_AGR_STR-BON_ENH_VAKEY sy-vline 
WA_SDREBATE_AGR_STR-BON_ENH_INDIRECT sy-vline 
WA_SDREBATE_AGR_STR-BON_ENH_PERIOD_S sy-vline      INTO ld_text SEPARATED BY SPACE.

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