ABAP Select data from SAP table SCWB_ACR_S_CI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SCWB_ACR_S_CI
*  INTO TABLE @DATA(IT_SCWB_ACR_S_CI2).
*--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_SCWB_ACR_S_CI INDEX 1 INTO DATA(WA_SCWB_ACR_S_CI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SCWB_ACR_S_CI>-INSTA = 1.
<SCWB_ACR_S_CI>-PAKID = 1.
<SCWB_ACR_S_CI>-ALEID = 1.
<SCWB_ACR_S_CI>-VERSNO = 1.
<SCWB_ACR_S_CI>-VALIDITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SCWB_ACR_S_CI-INSTA, sy-vline,
  WA_SCWB_ACR_S_CI-PAKID, sy-vline,
  WA_SCWB_ACR_S_CI-ALEID, sy-vline,
  WA_SCWB_ACR_S_CI-VERSNO, sy-vline,
  WA_SCWB_ACR_S_CI-TRPAKID, sy-vline,
  WA_SCWB_ACR_S_CI-TRTYPEID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SCWB_ACR_S_CI 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_SCWB_ACR_S_CI 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_SCWB_ACR_S_CI INTO WA_SCWB_ACR_S_CI.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_SCWB_ACR_S_CI_STR, 
INSTA TYPE STRING,
PAKID TYPE STRING,
ALEID TYPE STRING,
VERSNO TYPE STRING,
VALIDITY TYPE STRING,
INSTA TYPE STRING,
PAKID TYPE STRING,
ALEID TYPE STRING,
VERSNO TYPE STRING,
TRPAKID TYPE STRING,
TRTYPEID TYPE STRING,
TRALSID TYPE STRING,
DEPAKID_LO TYPE STRING,
DEALEID_LO TYPE STRING,
DEPAKID_HI TYPE STRING,
DEALEID_HI TYPE STRING,
IS_USER_CHOICE_REQUIRED TYPE STRING,
IS_USER_CHOICE_INDEPENDENT TYPE STRING,
IS_REQUIRED TYPE STRING,
IS_INDEPENDENT TYPE STRING,
SKIP TYPE STRING,
IMPLICIT_CHAIN TYPE STRING,
PREREQ_CIS TYPE STRING,
NOTE_NUM TYPE STRING,
NOTE_VERSNO TYPE STRING,
NOTE_STATUS TYPE STRING,
OBJKEY TYPE STRING,
OBJ_LIST TYPE STRING,
TCIBASE_OBJ_LIST TYPE STRING,
OBJLIST_WITH_TADIR TYPE STRING,
REFKORR_ORIG TYPE STRING,
REFKORR_REPL TYPE STRING,
TYPID TYPE STRING,
RELATED_TCI TYPE STRING,
INSTA TYPE STRING,
PAKID TYPE STRING,
ALEID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SCWB_ACR_S_CI_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_SCWB_ACR_S_CI_STR-INSTA sy-vline 
WA_SCWB_ACR_S_CI_STR-PAKID sy-vline 
WA_SCWB_ACR_S_CI_STR-ALEID sy-vline 
WA_SCWB_ACR_S_CI_STR-VERSNO sy-vline 
WA_SCWB_ACR_S_CI_STR-VALIDITY sy-vline 
WA_SCWB_ACR_S_CI_STR-INSTA sy-vline 
WA_SCWB_ACR_S_CI_STR-PAKID sy-vline 
WA_SCWB_ACR_S_CI_STR-ALEID sy-vline 
WA_SCWB_ACR_S_CI_STR-VERSNO sy-vline 
WA_SCWB_ACR_S_CI_STR-TRPAKID sy-vline 
WA_SCWB_ACR_S_CI_STR-TRTYPEID sy-vline 
WA_SCWB_ACR_S_CI_STR-TRALSID sy-vline 
WA_SCWB_ACR_S_CI_STR-DEPAKID_LO sy-vline 
WA_SCWB_ACR_S_CI_STR-DEALEID_LO sy-vline 
WA_SCWB_ACR_S_CI_STR-DEPAKID_HI sy-vline 
WA_SCWB_ACR_S_CI_STR-DEALEID_HI sy-vline 
WA_SCWB_ACR_S_CI_STR-IS_USER_CHOICE_REQUIRED sy-vline 
WA_SCWB_ACR_S_CI_STR-IS_USER_CHOICE_INDEPENDENT sy-vline 
WA_SCWB_ACR_S_CI_STR-IS_REQUIRED sy-vline 
WA_SCWB_ACR_S_CI_STR-IS_INDEPENDENT sy-vline 
WA_SCWB_ACR_S_CI_STR-SKIP sy-vline 
WA_SCWB_ACR_S_CI_STR-IMPLICIT_CHAIN sy-vline 
WA_SCWB_ACR_S_CI_STR-PREREQ_CIS sy-vline 
WA_SCWB_ACR_S_CI_STR-NOTE_NUM sy-vline 
WA_SCWB_ACR_S_CI_STR-NOTE_VERSNO sy-vline 
WA_SCWB_ACR_S_CI_STR-NOTE_STATUS sy-vline 
WA_SCWB_ACR_S_CI_STR-OBJKEY sy-vline 
WA_SCWB_ACR_S_CI_STR-OBJ_LIST sy-vline 
WA_SCWB_ACR_S_CI_STR-TCIBASE_OBJ_LIST sy-vline 
WA_SCWB_ACR_S_CI_STR-OBJLIST_WITH_TADIR sy-vline 
WA_SCWB_ACR_S_CI_STR-REFKORR_ORIG sy-vline 
WA_SCWB_ACR_S_CI_STR-REFKORR_REPL sy-vline 
WA_SCWB_ACR_S_CI_STR-TYPID sy-vline 
WA_SCWB_ACR_S_CI_STR-RELATED_TCI sy-vline 
WA_SCWB_ACR_S_CI_STR-INSTA sy-vline 
WA_SCWB_ACR_S_CI_STR-PAKID sy-vline 
WA_SCWB_ACR_S_CI_STR-ALEID sy-vline      INTO ld_text SEPARATED BY SPACE.

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