ABAP Select data from SAP table RJKSDCOLLECTISSUE_ORG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJKSDCOLLECTISSUE_ORG
*  INTO TABLE @DATA(IT_RJKSDCOLLECTISSUE_ORG2).
*--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_RJKSDCOLLECTISSUE_ORG INDEX 1 INTO DATA(WA_RJKSDCOLLECTISSUE_ORG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJKSDCOLLECTISSUE_ORG>-MANDT = 1.
<RJKSDCOLLECTISSUE_ORG>-ID = 1.
<RJKSDCOLLECTISSUE_ORG>-BAG = 1.
<RJKSDCOLLECTISSUE_ORG>-MEDIA_ISSUE = 1.
<RJKSDCOLLECTISSUE_ORG>-VKORG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJKSDCOLLECTISSUE_ORG-VTWEG, sy-vline,
  WA_RJKSDCOLLECTISSUE_ORG-RETURNPHASE, sy-vline,
  WA_RJKSDCOLLECTISSUE_ORG-PSTYE, sy-vline,
  WA_RJKSDCOLLECTISSUE_ORG-REASON, sy-vline,
  WA_RJKSDCOLLECTISSUE_ORG-SORT, sy-vline,
  WA_RJKSDCOLLECTISSUE_ORG-COLL_QUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJKSDCOLLECTISSUE_ORG 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_RJKSDCOLLECTISSUE_ORG 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_RJKSDCOLLECTISSUE_ORG INTO WA_RJKSDCOLLECTISSUE_ORG.


*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 MEDIA_ISSUE
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RJKSDCOLLECTISSUE_ORG-MEDIA_ISSUE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDCOLLECTISSUE_ORG-MEDIA_ISSUE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field COLL_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RJKSDCOLLECTISSUE_ORG-COLL_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDCOLLECTISSUE_ORG-COLL_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field UNSOLD_VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKSDCOLLECTISSUE_ORG-UNSOLD_VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDCOLLECTISSUE_ORG-UNSOLD_VBELN.
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_RJKSDCOLLECTISSUE_ORG_STR, 
MANDT TYPE STRING,
ID TYPE STRING,
BAG TYPE STRING,
MEDIA_ISSUE TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
RETURNPHASE TYPE STRING,
PSTYE TYPE STRING,
REASON TYPE STRING,
SORT TYPE STRING,
COLL_QUANTITY TYPE STRING,
COLL_UNIT TYPE STRING,
REMARK TYPE STRING,
UNSOLD_VBELN TYPE STRING,
UNSOLD_POSNR TYPE STRING,
RCINFO TYPE STRING,
ERFUSER TYPE STRING,
ERFDATE TYPE STRING,
ERFTIME TYPE STRING,
AENUSER TYPE STRING,
AENDATE TYPE STRING,
AENTIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJKSDCOLLECTISSUE_ORG_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_RJKSDCOLLECTISSUE_ORG_STR-MANDT sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-ID sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-BAG sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-MEDIA_ISSUE sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-VKORG sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-VTWEG sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-RETURNPHASE sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-PSTYE sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-REASON sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-SORT sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-COLL_QUANTITY sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-COLL_UNIT sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-REMARK sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-UNSOLD_VBELN sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-UNSOLD_POSNR sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-RCINFO sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-ERFUSER sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-ERFDATE sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-ERFTIME sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-AENUSER sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-AENDATE sy-vline 
WA_RJKSDCOLLECTISSUE_ORG_STR-AENTIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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