ABAP Select data from SAP table RECPOIVIMI25MAIN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RECPOIVIMI25MAIN 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 RECPOIVIMI25MAIN. 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 RECPOIVIMI25MAIN 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_RECPOIVIMI25MAIN TYPE STANDARD TABLE OF RECPOIVIMI25MAIN,
      WA_RECPOIVIMI25MAIN TYPE RECPOIVIMI25MAIN,
      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: <RECPOIVIMI25MAIN> TYPE RECPOIVIMI25MAIN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RECPOIVIMI25MAIN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RECPOIVIMI25MAIN
  INTO TABLE IT_RECPOIVIMI25MAIN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECPOIVIMI25MAIN
*  INTO TABLE @DATA(IT_RECPOIVIMI25MAIN2).
*--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_RECPOIVIMI25MAIN INDEX 1 INTO DATA(WA_RECPOIVIMI25MAIN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RECPOIVIMI25MAIN ASSIGNING <RECPOIVIMI25MAIN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECPOIVIMI25MAIN>-SKOARTSBR_01 = 1.
<RECPOIVIMI25MAIN>-XKOARTMSBR_01 = 1.
<RECPOIVIMI25MAIN>-YUMSJAHR_01 = 1.
<RECPOIVIMI25MAIN>-DMELDV_01 = 1.
<RECPOIVIMI25MAIN>-DMELDB_01 = 1.

ENDLOOP.

LOOP AT IT_RECPOIVIMI25MAIN INTO WA_RECPOIVIMI25MAIN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECPOIVIMI25MAIN-BMELD_01, sy-vline,
  WA_RECPOIVIMI25MAIN-UBMELD_01, sy-vline,
  WA_RECPOIVIMI25MAIN-SKOARTSBR_02, sy-vline,
  WA_RECPOIVIMI25MAIN-XKOARTMSBR_02, sy-vline,
  WA_RECPOIVIMI25MAIN-YUMSJAHR_02, sy-vline,
  WA_RECPOIVIMI25MAIN-DMELDV_02, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECPOIVIMI25MAIN 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_RECPOIVIMI25MAIN 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_RECPOIVIMI25MAIN INTO WA_RECPOIVIMI25MAIN.


*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 GJAHR, internal->external for field YUMSJAHR_01
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RECPOIVIMI25MAIN-YUMSJAHR_01
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECPOIVIMI25MAIN-YUMSJAHR_01.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field YUMSJAHR_02
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RECPOIVIMI25MAIN-YUMSJAHR_02
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECPOIVIMI25MAIN-YUMSJAHR_02.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field YUMSJAHR_03
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RECPOIVIMI25MAIN-YUMSJAHR_03
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECPOIVIMI25MAIN-YUMSJAHR_03.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field YUMSJAHR_04
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_RECPOIVIMI25MAIN-YUMSJAHR_04
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECPOIVIMI25MAIN-YUMSJAHR_04.
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_RECPOIVIMI25MAIN_STR, 
SKOARTSBR_01 TYPE STRING,
XKOARTMSBR_01 TYPE STRING,
YUMSJAHR_01 TYPE STRING,
DMELDV_01 TYPE STRING,
DMELDB_01 TYPE STRING,
BMELD_01 TYPE STRING,
UBMELD_01 TYPE STRING,
SKOARTSBR_02 TYPE STRING,
XKOARTMSBR_02 TYPE STRING,
YUMSJAHR_02 TYPE STRING,
DMELDV_02 TYPE STRING,
DMELDB_02 TYPE STRING,
BMELD_02 TYPE STRING,
UBMELD_02 TYPE STRING,
SKOARTSBR_03 TYPE STRING,
XKOARTMSBR_03 TYPE STRING,
YUMSJAHR_03 TYPE STRING,
DMELDV_03 TYPE STRING,
DMELDB_03 TYPE STRING,
BMELD_03 TYPE STRING,
UBMELD_03 TYPE STRING,
SKOARTSBR_04 TYPE STRING,
XKOARTMSBR_04 TYPE STRING,
YUMSJAHR_04 TYPE STRING,
DMELDV_04 TYPE STRING,
DMELDB_04 TYPE STRING,
BMELD_04 TYPE STRING,
UBMELD_04 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECPOIVIMI25MAIN_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_RECPOIVIMI25MAIN_STR-SKOARTSBR_01 sy-vline 
WA_RECPOIVIMI25MAIN_STR-XKOARTMSBR_01 sy-vline 
WA_RECPOIVIMI25MAIN_STR-YUMSJAHR_01 sy-vline 
WA_RECPOIVIMI25MAIN_STR-DMELDV_01 sy-vline 
WA_RECPOIVIMI25MAIN_STR-DMELDB_01 sy-vline 
WA_RECPOIVIMI25MAIN_STR-BMELD_01 sy-vline 
WA_RECPOIVIMI25MAIN_STR-UBMELD_01 sy-vline 
WA_RECPOIVIMI25MAIN_STR-SKOARTSBR_02 sy-vline 
WA_RECPOIVIMI25MAIN_STR-XKOARTMSBR_02 sy-vline 
WA_RECPOIVIMI25MAIN_STR-YUMSJAHR_02 sy-vline 
WA_RECPOIVIMI25MAIN_STR-DMELDV_02 sy-vline 
WA_RECPOIVIMI25MAIN_STR-DMELDB_02 sy-vline 
WA_RECPOIVIMI25MAIN_STR-BMELD_02 sy-vline 
WA_RECPOIVIMI25MAIN_STR-UBMELD_02 sy-vline 
WA_RECPOIVIMI25MAIN_STR-SKOARTSBR_03 sy-vline 
WA_RECPOIVIMI25MAIN_STR-XKOARTMSBR_03 sy-vline 
WA_RECPOIVIMI25MAIN_STR-YUMSJAHR_03 sy-vline 
WA_RECPOIVIMI25MAIN_STR-DMELDV_03 sy-vline 
WA_RECPOIVIMI25MAIN_STR-DMELDB_03 sy-vline 
WA_RECPOIVIMI25MAIN_STR-BMELD_03 sy-vline 
WA_RECPOIVIMI25MAIN_STR-UBMELD_03 sy-vline 
WA_RECPOIVIMI25MAIN_STR-SKOARTSBR_04 sy-vline 
WA_RECPOIVIMI25MAIN_STR-XKOARTMSBR_04 sy-vline 
WA_RECPOIVIMI25MAIN_STR-YUMSJAHR_04 sy-vline 
WA_RECPOIVIMI25MAIN_STR-DMELDV_04 sy-vline 
WA_RECPOIVIMI25MAIN_STR-DMELDB_04 sy-vline 
WA_RECPOIVIMI25MAIN_STR-BMELD_04 sy-vline 
WA_RECPOIVIMI25MAIN_STR-UBMELD_04 sy-vline      INTO ld_text SEPARATED BY SPACE.

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