ABAP Select data from SAP table CI_REPRAHAFA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CI_REPRAHAFA
*  INTO TABLE @DATA(IT_CI_REPRAHAFA2).
*--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_CI_REPRAHAFA INDEX 1 INTO DATA(WA_CI_REPRAHAFA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CI_REPRAHAFA>-GLO_RUS_DEPGR = 1.
<CI_REPRAHAFA>-GLO_RUS_OKOF = 1.
<CI_REPRAHAFA>-GLO_RUS_SERNR = 1.
<CI_REPRAHAFA>-GLO_RUS_PRECCT = 1.
<CI_REPRAHAFA>-GLO_RUS_PRECQ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CI_REPRAHAFA-GLO_RUS_PRECW, sy-vline,
  WA_CI_REPRAHAFA-GLO_RUS_TTX_TYPE, sy-vline,
  WA_CI_REPRAHAFA-GLO_RUS_TTX_VIN, sy-vline,
  WA_CI_REPRAHAFA-GLO_RUS_TTX_MNFD, sy-vline,
  WA_CI_REPRAHAFA-GLO_RUS_TTX_ECOCLASS, sy-vline,
  WA_CI_REPRAHAFA-GLO_RUS_ECOCLASS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CI_REPRAHAFA 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_CI_REPRAHAFA 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_CI_REPRAHAFA INTO WA_CI_REPRAHAFA.


*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 AC132, internal->external for field GLO_RUS_PLD_AMNT
CALL FUNCTION 'CONVERSION_EXIT_AC132_OUTPUT'
  EXPORTING
    input =                      WA_CI_REPRAHAFA-GLO_RUS_PLD_AMNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CI_REPRAHAFA-GLO_RUS_PLD_AMNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field GLO_RUS_TXB_TYPE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CI_REPRAHAFA-GLO_RUS_TXB_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CI_REPRAHAFA-GLO_RUS_TXB_TYPE.
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_CI_REPRAHAFA_STR, 
GLO_RUS_DEPGR TYPE STRING,
GLO_RUS_OKOF TYPE STRING,
GLO_RUS_SERNR TYPE STRING,
GLO_RUS_PRECCT TYPE STRING,
GLO_RUS_PRECQ TYPE STRING,
GLO_RUS_PRECW TYPE STRING,
GLO_RUS_TTX_TYPE TYPE STRING,
GLO_RUS_TTX_VIN TYPE STRING,
GLO_RUS_TTX_MNFD TYPE STRING,
GLO_RUS_TTX_ECOCLASS TYPE STRING,
GLO_RUS_ECOCLASS TYPE STRING,
GLO_RUS_ECO_CLS TYPE STRING,
GLO_RUS_PRT_TYPE TYPE STRING,
GLO_RUS_SHD_RSN TYPE STRING,
GLO_RUS_SHD_DOCN TYPE STRING,
GLO_RUS_PLD_CHCK TYPE STRING,
GLO_RUS_PLD_AMNT TYPE STRING,
GLO_RUS_PLD_RCPN TYPE STRING,
GLO_RUS_DOCNUM TYPE STRING,
GLO_RUS_ICNMB TYPE STRING,
GLO_RUS_TXB_TYPE TYPE STRING,
GLO_RUS_TXB_UNIT TYPE STRING,
GLO_RUS_TTX_EXMP TYPE STRING,
GLO_RUS_TTX_PRVG TYPE STRING,
GLO_RUS_TTX_STLD TYPE STRING,
GLO_RUS_TTX_RTRD TYPE STRING,
GLO_RUS_TTX_RGSD TYPE STRING,
GLO_RUS_TTX_RMVD TYPE STRING,
GLO_RUS_TTX_OKT1 TYPE STRING,
GLO_RUS_TTX_OKT2 TYPE STRING,
GLO_RUS_TTX_OKT3 TYPE STRING,
GLO_RUS_TTX_OKT4 TYPE STRING,
GLO_RUS_TTX_LNUM TYPE STRING,
GLO_RUS_TTX_AMTREDUCTION TYPE STRING,
GLO_RUS_AMTRED TYPE STRING,
GLO_RUS_PRT_OKT1 TYPE STRING,
GLO_RUS_PRT_OKT2 TYPE STRING,
GLO_RUS_PRT_OKT3 TYPE STRING,
GLO_RUS_PRT_OKT4 TYPE STRING,
GLO_RUS_PRT_EXMP TYPE STRING,
GLO_RUS_PRT_PRVG TYPE STRING,
GLO_RUS_PRT_AMTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CI_REPRAHAFA_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_CI_REPRAHAFA_STR-GLO_RUS_DEPGR sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_OKOF sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_SERNR sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PRECCT sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PRECQ sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PRECW sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_TYPE sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_VIN sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_MNFD sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_ECOCLASS sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_ECOCLASS sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_ECO_CLS sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PRT_TYPE sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_SHD_RSN sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_SHD_DOCN sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PLD_CHCK sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PLD_AMNT sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PLD_RCPN sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_DOCNUM sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_ICNMB sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TXB_TYPE sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TXB_UNIT sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_EXMP sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_PRVG sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_STLD sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_RTRD sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_RGSD sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_RMVD sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_OKT1 sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_OKT2 sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_OKT3 sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_OKT4 sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_LNUM sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_TTX_AMTREDUCTION sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_AMTRED sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PRT_OKT1 sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PRT_OKT2 sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PRT_OKT3 sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PRT_OKT4 sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PRT_EXMP sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PRT_PRVG sy-vline 
WA_CI_REPRAHAFA_STR-GLO_RUS_PRT_AMTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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