ABAP Select data from SAP table REMM_CAPITAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REMM_CAPITAL
*  INTO TABLE @DATA(IT_REMM_CAPITAL2).
*--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_REMM_CAPITAL INDEX 1 INTO DATA(WA_REMM_CAPITAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REMM_CAPITAL>-MANDT = 1.
<REMM_CAPITAL>-INTRENO = 1.
<REMM_CAPITAL>-MANDATEID = 1.
<REMM_CAPITAL>-SEQNO = 1.
<REMM_CAPITAL>-SEQNO_HBACC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REMM_CAPITAL-BUKRS, sy-vline,
  WA_REMM_CAPITAL-PERIODFROM, sy-vline,
  WA_REMM_CAPITAL-PERIODTO, sy-vline,
  WA_REMM_CAPITAL-HBKID, sy-vline,
  WA_REMM_CAPITAL-HKTID, sy-vline,
  WA_REMM_CAPITAL-HKONT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REMM_CAPITAL 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_REMM_CAPITAL 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_REMM_CAPITAL INTO WA_REMM_CAPITAL.


*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 REDAT, internal->external for field PERIODTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REMM_CAPITAL-PERIODTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REMM_CAPITAL-PERIODTO.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_REMM_CAPITAL-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REMM_CAPITAL-GJAHR.
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_REMM_CAPITAL_STR, 
MANDT TYPE STRING,
INTRENO TYPE STRING,
MANDATEID TYPE STRING,
SEQNO TYPE STRING,
SEQNO_HBACC TYPE STRING,
BUKRS TYPE STRING,
PERIODFROM TYPE STRING,
PERIODTO TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
HKONT TYPE STRING,
FLOWTYPE TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
PSTNGDATE TYPE STRING,
SGTXT TYPE STRING,
CURRENCY TYPE STRING,
AMOUNT_BEG TYPE STRING,
AMOUNT TYPE STRING,
AMOUNT_ACT TYPE STRING,
AMOUNT_END TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REMM_CAPITAL_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_REMM_CAPITAL_STR-MANDT sy-vline 
WA_REMM_CAPITAL_STR-INTRENO sy-vline 
WA_REMM_CAPITAL_STR-MANDATEID sy-vline 
WA_REMM_CAPITAL_STR-SEQNO sy-vline 
WA_REMM_CAPITAL_STR-SEQNO_HBACC sy-vline 
WA_REMM_CAPITAL_STR-BUKRS sy-vline 
WA_REMM_CAPITAL_STR-PERIODFROM sy-vline 
WA_REMM_CAPITAL_STR-PERIODTO sy-vline 
WA_REMM_CAPITAL_STR-HBKID sy-vline 
WA_REMM_CAPITAL_STR-HKTID sy-vline 
WA_REMM_CAPITAL_STR-HKONT sy-vline 
WA_REMM_CAPITAL_STR-FLOWTYPE sy-vline 
WA_REMM_CAPITAL_STR-BELNR sy-vline 
WA_REMM_CAPITAL_STR-GJAHR sy-vline 
WA_REMM_CAPITAL_STR-BUZEI sy-vline 
WA_REMM_CAPITAL_STR-PSTNGDATE sy-vline 
WA_REMM_CAPITAL_STR-SGTXT sy-vline 
WA_REMM_CAPITAL_STR-CURRENCY sy-vline 
WA_REMM_CAPITAL_STR-AMOUNT_BEG sy-vline 
WA_REMM_CAPITAL_STR-AMOUNT sy-vline 
WA_REMM_CAPITAL_STR-AMOUNT_ACT sy-vline 
WA_REMM_CAPITAL_STR-AMOUNT_END sy-vline      INTO ld_text SEPARATED BY SPACE.

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