ABAP Select data from SAP table ISM_MSO_ORDER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISM_MSO_ORDER
*  INTO TABLE @DATA(IT_ISM_MSO_ORDER2).
*--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_ISM_MSO_ORDER INDEX 1 INTO DATA(WA_ISM_MSO_ORDER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISM_MSO_ORDER>-HEADER = 1.
<ISM_MSO_ORDER>-SATZART = 1.
<ISM_MSO_ORDER>-REFBELEG = 1.
<ISM_MSO_ORDER>-VBELN = 1.
<ISM_MSO_ORDER>-GPNR_AG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISM_MSO_ORDER-AUART, sy-vline,
  WA_ISM_MSO_ORDER-VKORG, sy-vline,
  WA_ISM_MSO_ORDER-VTWEG, sy-vline,
  WA_ISM_MSO_ORDER-SPART, sy-vline,
  WA_ISM_MSO_ORDER-VKGRP, sy-vline,
  WA_ISM_MSO_ORDER-VKBUR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISM_MSO_ORDER 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_ISM_MSO_ORDER 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_ISM_MSO_ORDER INTO WA_ISM_MSO_ORDER.


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

*Conversion exit ALPHA, internal->external for field GPNR_AG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ISM_MSO_ORDER-GPNR_AG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISM_MSO_ORDER-GPNR_AG.
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_ISM_MSO_ORDER_STR, 
HEADER TYPE STRING,
SATZART TYPE STRING,
REFBELEG TYPE STRING,
VBELN TYPE STRING,
GPNR_AG TYPE STRING,
AUART TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
VKGRP TYPE STRING,
VKBUR TYPE STRING,
BSTNK TYPE STRING,
BSARK TYPE STRING,
BSTDK TYPE STRING,
BSTZD TYPE STRING,
IHREZ TYPE STRING,
BNAME TYPE STRING,
TELF1 TYPE STRING,
WAERK TYPE STRING,
KURST TYPE STRING,
FAKSP TYPE STRING,
XSEPFKKOPF TYPE STRING,
XIMMATRIK TYPE STRING,
IMMATDAT TYPE STRING,
EXT_NUMBER TYPE STRING,
ITEM_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISM_MSO_ORDER_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_ISM_MSO_ORDER_STR-HEADER sy-vline 
WA_ISM_MSO_ORDER_STR-SATZART sy-vline 
WA_ISM_MSO_ORDER_STR-REFBELEG sy-vline 
WA_ISM_MSO_ORDER_STR-VBELN sy-vline 
WA_ISM_MSO_ORDER_STR-GPNR_AG sy-vline 
WA_ISM_MSO_ORDER_STR-AUART sy-vline 
WA_ISM_MSO_ORDER_STR-VKORG sy-vline 
WA_ISM_MSO_ORDER_STR-VTWEG sy-vline 
WA_ISM_MSO_ORDER_STR-SPART sy-vline 
WA_ISM_MSO_ORDER_STR-VKGRP sy-vline 
WA_ISM_MSO_ORDER_STR-VKBUR sy-vline 
WA_ISM_MSO_ORDER_STR-BSTNK sy-vline 
WA_ISM_MSO_ORDER_STR-BSARK sy-vline 
WA_ISM_MSO_ORDER_STR-BSTDK sy-vline 
WA_ISM_MSO_ORDER_STR-BSTZD sy-vline 
WA_ISM_MSO_ORDER_STR-IHREZ sy-vline 
WA_ISM_MSO_ORDER_STR-BNAME sy-vline 
WA_ISM_MSO_ORDER_STR-TELF1 sy-vline 
WA_ISM_MSO_ORDER_STR-WAERK sy-vline 
WA_ISM_MSO_ORDER_STR-KURST sy-vline 
WA_ISM_MSO_ORDER_STR-FAKSP sy-vline 
WA_ISM_MSO_ORDER_STR-XSEPFKKOPF sy-vline 
WA_ISM_MSO_ORDER_STR-XIMMATRIK sy-vline 
WA_ISM_MSO_ORDER_STR-IMMATDAT sy-vline 
WA_ISM_MSO_ORDER_STR-EXT_NUMBER sy-vline 
WA_ISM_MSO_ORDER_STR-ITEM_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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