ABAP Select data from SAP table ACDOCP_SI_VALUE_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ACDOCP_SI_VALUE_DATA
*  INTO TABLE @DATA(IT_ACDOCP_SI_VALUE_DATA2).
*--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_ACDOCP_SI_VALUE_DATA INDEX 1 INTO DATA(WA_ACDOCP_SI_VALUE_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ACDOCP_SI_VALUE_DATA>-WSL = 1.
<ACDOCP_SI_VALUE_DATA>-HSL = 1.
<ACDOCP_SI_VALUE_DATA>-KSL = 1.
<ACDOCP_SI_VALUE_DATA>-FCSL = 1.
<ACDOCP_SI_VALUE_DATA>-OSL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ACDOCP_SI_VALUE_DATA-VSL, sy-vline,
  WA_ACDOCP_SI_VALUE_DATA-BSL, sy-vline,
  WA_ACDOCP_SI_VALUE_DATA-CSL, sy-vline,
  WA_ACDOCP_SI_VALUE_DATA-DSL, sy-vline,
  WA_ACDOCP_SI_VALUE_DATA-ESL, sy-vline,
  WA_ACDOCP_SI_VALUE_DATA-FSL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ACDOCP_SI_VALUE_DATA 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_ACDOCP_SI_VALUE_DATA 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_ACDOCP_SI_VALUE_DATA INTO WA_ACDOCP_SI_VALUE_DATA.


*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_ACDOCP_SI_VALUE_DATA_STR, 
WSL TYPE STRING,
HSL TYPE STRING,
KSL TYPE STRING,
FCSL TYPE STRING,
OSL TYPE STRING,
VSL TYPE STRING,
BSL TYPE STRING,
CSL TYPE STRING,
DSL TYPE STRING,
ESL TYPE STRING,
FSL TYPE STRING,
GSL TYPE STRING,
CO_OSL TYPE STRING,
HFSL TYPE STRING,
KFSL TYPE STRING,
VMSL TYPE STRING,
RMSL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ACDOCP_SI_VALUE_DATA_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_ACDOCP_SI_VALUE_DATA_STR-WSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-HSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-KSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-FCSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-OSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-VSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-BSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-CSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-DSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-ESL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-FSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-GSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-CO_OSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-HFSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-KFSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-VMSL sy-vline 
WA_ACDOCP_SI_VALUE_DATA_STR-RMSL sy-vline      INTO ld_text SEPARATED BY SPACE.

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