ABAP Select data from SAP table USER_CI_AUFK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM USER_CI_AUFK
*  INTO TABLE @DATA(IT_USER_CI_AUFK2).
*--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_USER_CI_AUFK INDEX 1 INTO DATA(WA_USER_CI_AUFK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<USER_CI_AUFK>-USER0 = 1.
<USER_CI_AUFK>-USER1 = 1.
<USER_CI_AUFK>-USER2 = 1.
<USER_CI_AUFK>-USER3 = 1.
<USER_CI_AUFK>-USER4 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_USER_CI_AUFK-USER5, sy-vline,
  WA_USER_CI_AUFK-USER6, sy-vline,
  WA_USER_CI_AUFK-USER7, sy-vline,
  WA_USER_CI_AUFK-USER8, sy-vline,
  WA_USER_CI_AUFK-USER9, sy-vline,
  WA_USER_CI_AUFK-AUFEX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_USER_CI_AUFK 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_USER_CI_AUFK 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_USER_CI_AUFK INTO WA_USER_CI_AUFK.


*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 AUFEX
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_USER_CI_AUFK-AUFEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_USER_CI_AUFK-AUFEX.
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_USER_CI_AUFK_STR, 
USER0 TYPE STRING,
USER1 TYPE STRING,
USER2 TYPE STRING,
USER3 TYPE STRING,
USER4 TYPE STRING,
USER5 TYPE STRING,
USER6 TYPE STRING,
USER7 TYPE STRING,
USER8 TYPE STRING,
USER9 TYPE STRING,
AUFEX TYPE STRING,
ABKRS TYPE STRING,
EEW_AUFK_PS_DUMMY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_USER_CI_AUFK_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_USER_CI_AUFK_STR-USER0 sy-vline 
WA_USER_CI_AUFK_STR-USER1 sy-vline 
WA_USER_CI_AUFK_STR-USER2 sy-vline 
WA_USER_CI_AUFK_STR-USER3 sy-vline 
WA_USER_CI_AUFK_STR-USER4 sy-vline 
WA_USER_CI_AUFK_STR-USER5 sy-vline 
WA_USER_CI_AUFK_STR-USER6 sy-vline 
WA_USER_CI_AUFK_STR-USER7 sy-vline 
WA_USER_CI_AUFK_STR-USER8 sy-vline 
WA_USER_CI_AUFK_STR-USER9 sy-vline 
WA_USER_CI_AUFK_STR-AUFEX sy-vline 
WA_USER_CI_AUFK_STR-ABKRS sy-vline 
WA_USER_CI_AUFK_STR-EEW_AUFK_PS_DUMMY sy-vline      INTO ld_text SEPARATED BY SPACE.

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