ABAP Select data from SAP table FKKSD_ACCDPRQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKSD_ACCDPRQ
*  INTO TABLE @DATA(IT_FKKSD_ACCDPRQ2).
*--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_FKKSD_ACCDPRQ INDEX 1 INTO DATA(WA_FKKSD_ACCDPRQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKSD_ACCDPRQ>-MANDT = 1.
<FKKSD_ACCDPRQ>-OPBEL = 1.
<FKKSD_ACCDPRQ>-OPUPK = 1.
<FKKSD_ACCDPRQ>-OPUPZ = 1.
<FKKSD_ACCDPRQ>-BLDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKSD_ACCDPRQ-BUDAT, sy-vline,
  WA_FKKSD_ACCDPRQ-BETRW, sy-vline,
  WA_FKKSD_ACCDPRQ-SBETW, sy-vline,
  WA_FKKSD_ACCDPRQ-SKFBT, sy-vline,
  WA_FKKSD_ACCDPRQ-WAERS, sy-vline,
  WA_FKKSD_ACCDPRQ-BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKSD_ACCDPRQ 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_FKKSD_ACCDPRQ 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_FKKSD_ACCDPRQ INTO WA_FKKSD_ACCDPRQ.


*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 OPBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKSD_ACCDPRQ-OPBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKSD_ACCDPRQ-OPBEL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VGBEL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKSD_ACCDPRQ-VGBEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKSD_ACCDPRQ-VGBEL.
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_FKKSD_ACCDPRQ_STR, 
MANDT TYPE STRING,
OPBEL TYPE STRING,
OPUPK TYPE STRING,
OPUPZ TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
BETRW TYPE STRING,
SBETW TYPE STRING,
SKFBT TYPE STRING,
WAERS TYPE STRING,
BUKRS TYPE STRING,
AWTYP TYPE STRING,
AWKEY TYPE STRING,
VGBEL TYPE STRING,
VGPOS TYPE STRING,
FPLNR TYPE STRING,
FPLTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKSD_ACCDPRQ_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_FKKSD_ACCDPRQ_STR-MANDT sy-vline 
WA_FKKSD_ACCDPRQ_STR-OPBEL sy-vline 
WA_FKKSD_ACCDPRQ_STR-OPUPK sy-vline 
WA_FKKSD_ACCDPRQ_STR-OPUPZ sy-vline 
WA_FKKSD_ACCDPRQ_STR-BLDAT sy-vline 
WA_FKKSD_ACCDPRQ_STR-BUDAT sy-vline 
WA_FKKSD_ACCDPRQ_STR-BETRW sy-vline 
WA_FKKSD_ACCDPRQ_STR-SBETW sy-vline 
WA_FKKSD_ACCDPRQ_STR-SKFBT sy-vline 
WA_FKKSD_ACCDPRQ_STR-WAERS sy-vline 
WA_FKKSD_ACCDPRQ_STR-BUKRS sy-vline 
WA_FKKSD_ACCDPRQ_STR-AWTYP sy-vline 
WA_FKKSD_ACCDPRQ_STR-AWKEY sy-vline 
WA_FKKSD_ACCDPRQ_STR-VGBEL sy-vline 
WA_FKKSD_ACCDPRQ_STR-VGPOS sy-vline 
WA_FKKSD_ACCDPRQ_STR-FPLNR sy-vline 
WA_FKKSD_ACCDPRQ_STR-FPLTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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