ABAP Select data from SAP table RJKSD_CONTRACT_QUAN into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJKSD_CONTRACT_QUAN
*  INTO TABLE @DATA(IT_RJKSD_CONTRACT_QUAN2).
*--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_RJKSD_CONTRACT_QUAN INDEX 1 INTO DATA(WA_RJKSD_CONTRACT_QUAN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJKSD_CONTRACT_QUAN>-MANDT = 1.
<RJKSD_CONTRACT_QUAN>-PHASEMDL = 1.
<RJKSD_CONTRACT_QUAN>-MEDIAISSUE = 1.
<RJKSD_CONTRACT_QUAN>-PHASENBR = 1.
<RJKSD_CONTRACT_QUAN>-VBELN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJKSD_CONTRACT_QUAN-POSNR, sy-vline,
  WA_RJKSD_CONTRACT_QUAN-WERKS, sy-vline,
  WA_RJKSD_CONTRACT_QUAN-FIELDNAME, sy-vline,
  WA_RJKSD_CONTRACT_QUAN-QUANTITY, sy-vline,
  WA_RJKSD_CONTRACT_QUAN-UNIT, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_RJKSD_CONTRACT_QUAN 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_RJKSD_CONTRACT_QUAN 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_RJKSD_CONTRACT_QUAN INTO WA_RJKSD_CONTRACT_QUAN.


*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 MATN1, internal->external for field MEDIAISSUE
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_CONTRACT_QUAN-MEDIAISSUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_CONTRACT_QUAN-MEDIAISSUE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_CONTRACT_QUAN-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_CONTRACT_QUAN-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJKSD_CONTRACT_QUAN-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSD_CONTRACT_QUAN-UNIT.
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_RJKSD_CONTRACT_QUAN_STR, 
MANDT TYPE STRING,
PHASEMDL TYPE STRING,
MEDIAISSUE TYPE STRING,
PHASENBR TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
WERKS TYPE STRING,
FIELDNAME TYPE STRING,
QUANTITY TYPE STRING,
UNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJKSD_CONTRACT_QUAN_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_RJKSD_CONTRACT_QUAN_STR-MANDT sy-vline 
WA_RJKSD_CONTRACT_QUAN_STR-PHASEMDL sy-vline 
WA_RJKSD_CONTRACT_QUAN_STR-MEDIAISSUE sy-vline 
WA_RJKSD_CONTRACT_QUAN_STR-PHASENBR sy-vline 
WA_RJKSD_CONTRACT_QUAN_STR-VBELN sy-vline 
WA_RJKSD_CONTRACT_QUAN_STR-POSNR sy-vline 
WA_RJKSD_CONTRACT_QUAN_STR-WERKS sy-vline 
WA_RJKSD_CONTRACT_QUAN_STR-FIELDNAME sy-vline 
WA_RJKSD_CONTRACT_QUAN_STR-QUANTITY sy-vline 
WA_RJKSD_CONTRACT_QUAN_STR-UNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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