ABAP Select data from SAP table IDCFMHU_KELER_SAP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDCFMHU_KELER_SAP
*  INTO TABLE @DATA(IT_IDCFMHU_KELER_SAP2).
*--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_IDCFMHU_KELER_SAP INDEX 1 INTO DATA(WA_IDCFMHU_KELER_SAP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDCFMHU_KELER_SAP>-RANL = 1.
<IDCFMHU_KELER_SAP>-XALKZ = 1.
<IDCFMHU_KELER_SAP>-KOQTY = 1.
<IDCFMHU_KELER_SAP>-KIQTY = 1.
<IDCFMHU_KELER_SAP>-KDQTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDCFMHU_KELER_SAP-KCQTY, sy-vline,
  WA_IDCFMHU_KELER_SAP-KECQTY, sy-vline,
  WA_IDCFMHU_KELER_SAP-KBCQTY, sy-vline,
  WA_IDCFMHU_KELER_SAP-KOCQTY, sy-vline,
  WA_IDCFMHU_KELER_SAP-SOQTY, sy-vline,
  WA_IDCFMHU_KELER_SAP-SINSTL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDCFMHU_KELER_SAP 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_IDCFMHU_KELER_SAP 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_IDCFMHU_KELER_SAP INTO WA_IDCFMHU_KELER_SAP.


*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 RANL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IDCFMHU_KELER_SAP-RANL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDCFMHU_KELER_SAP-RANL.
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_IDCFMHU_KELER_SAP_STR, 
RANL TYPE STRING,
XALKZ TYPE STRING,
KOQTY TYPE STRING,
KIQTY TYPE STRING,
KDQTY TYPE STRING,
KCQTY TYPE STRING,
KECQTY TYPE STRING,
KBCQTY TYPE STRING,
KOCQTY TYPE STRING,
SOQTY TYPE STRING,
SINSTL TYPE STRING,
SIQTY TYPE STRING,
SDQTY TYPE STRING,
SCQTY TYPE STRING,
SAQTY TYPE STRING,
SBQTY TYPE STRING,
KAVQTY TYPE STRING,
DOQTY TYPE STRING,
DIQTY TYPE STRING,
DDQTY TYPE STRING,
DCQTY TYPE STRING,
RC TYPE STRING,
COLOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDCFMHU_KELER_SAP_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_IDCFMHU_KELER_SAP_STR-RANL sy-vline 
WA_IDCFMHU_KELER_SAP_STR-XALKZ sy-vline 
WA_IDCFMHU_KELER_SAP_STR-KOQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-KIQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-KDQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-KCQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-KECQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-KBCQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-KOCQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-SOQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-SINSTL sy-vline 
WA_IDCFMHU_KELER_SAP_STR-SIQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-SDQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-SCQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-SAQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-SBQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-KAVQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-DOQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-DIQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-DDQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-DCQTY sy-vline 
WA_IDCFMHU_KELER_SAP_STR-RC sy-vline 
WA_IDCFMHU_KELER_SAP_STR-COLOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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