ABAP Select data from SAP table RECP_MM_CAPITAL_C into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECP_MM_CAPITAL_C
*  INTO TABLE @DATA(IT_RECP_MM_CAPITAL_C2).
*--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_RECP_MM_CAPITAL_C INDEX 1 INTO DATA(WA_RECP_MM_CAPITAL_C2).


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

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

ENDLOOP.

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

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


*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_RECP_MM_CAPITAL_C-PERIODTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECP_MM_CAPITAL_C-PERIODTO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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