ABAP Select data from SAP table /MDG/_S_IS_PP_INTORDER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /MDG/_S_IS_PP_INTORDER 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 /MDG/_S_IS_PP_INTORDER. 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 /MDG/_S_IS_PP_INTORDER 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_/MDG/_S_IS_PP_INTORDER TYPE STANDARD TABLE OF /MDG/_S_IS_PP_INTORDER,
      WA_/MDG/_S_IS_PP_INTORDER TYPE /MDG/_S_IS_PP_INTORDER,
      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: </MDG/_S_IS_PP_INTORDER> TYPE /MDG/_S_IS_PP_INTORDER.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /MDG/_S_IS_PP_INTORDER
  INTO TABLE IT_/MDG/_S_IS_PP_INTORDER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MDG/_S_IS_PP_INTORDER
*  INTO TABLE @DATA(IT_/MDG/_S_IS_PP_INTORDER2).
*--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_/MDG/_S_IS_PP_INTORDER INDEX 1 INTO DATA(WA_/MDG/_S_IS_PP_INTORDER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/MDG/_S_IS_PP_INTORDER ASSIGNING </MDG/_S_IS_PP_INTORDER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MDG/_S_IS_PP_INTORDER>-COAREA = 1.
</MDG/_S_IS_PP_INTORDER>-ORDERTYPE = 1.
</MDG/_S_IS_PP_INTORDER>-SYSTEM = 1.
</MDG/_S_IS_PP_INTORDER>-INTORDER = 1.
</MDG/_S_IS_PP_INTORDER>-AIOBUSAR = 1.

ENDLOOP.

LOOP AT IT_/MDG/_S_IS_PP_INTORDER INTO WA_/MDG/_S_IS_PP_INTORDER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MDG/_S_IS_PP_INTORDER-AIOCHUSR, sy-vline,
  WA_/MDG/_S_IS_PP_INTORDER-AIOITPCT, sy-vline,
  WA_/MDG/_S_IS_PP_INTORDER-AIOKALSM, sy-vline,
  WA_/MDG/_S_IS_PP_INTORDER-AIOOHKEY, sy-vline,
  WA_/MDG/_S_IS_PP_INTORDER-AIOPLANT, sy-vline,
  WA_/MDG/_S_IS_PP_INTORDER-AIORAKEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MDG/_S_IS_PP_INTORDER 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_/MDG/_S_IS_PP_INTORDER 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_/MDG/_S_IS_PP_INTORDER INTO WA_/MDG/_S_IS_PP_INTORDER.


*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 SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_S_IS_PP_INTORDER-SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_S_IS_PP_INTORDER-SYSTEM.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ABPSN, internal->external for field AIOWBSEL
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_S_IS_PP_INTORDER-AIOWBSEL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_S_IS_PP_INTORDER-AIOWBSEL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SETLORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/MDG/_S_IS_PP_INTORDER-SETLORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/MDG/_S_IS_PP_INTORDER-SETLORDER.
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_/MDG/_S_IS_PP_INTORDER_STR, 
COAREA TYPE STRING,
ORDERTYPE TYPE STRING,
SYSTEM TYPE STRING,
INTORDER TYPE STRING,
AIOBUSAR TYPE STRING,
AIOCHUSR TYPE STRING,
AIOITPCT TYPE STRING,
AIOKALSM TYPE STRING,
AIOOHKEY TYPE STRING,
AIOPLANT TYPE STRING,
AIORAKEY TYPE STRING,
AIOSALOD TYPE STRING,
AIOTAXJR TYPE STRING,
AIOWBSEL TYPE STRING,
APPDATE TYPE STRING,
APPLICANT TYPE STRING,
APPPHONE TYPE STRING,
COMPORDER TYPE STRING,
CURRINTOR TYPE STRING,
DEPMENT TYPE STRING,
ESTCOST TYPE STRING,
EXTORDNUM TYPE STRING,
FAINTORER TYPE STRING,
FDATEIO TYPE STRING,
OBJCLASS TYPE STRING,
OBJECTNUM TYPE STRING,
ORDERNAME TYPE STRING,
PCTRORDER TYPE STRING,
PLNCLOSE TYPE STRING,
PLNCOMPL TYPE STRING,
PLNRELEAS TYPE STRING,
REQCCTR TYPE STRING,
RESPCCTR TYPE STRING,
SETCELEM TYPE STRING,
SETLORDER TYPE STRING,
SORDITEM TYPE STRING,
TDATEINTO TYPE STRING,
TXTSH TYPE STRING,
USER TYPE STRING,
USERPHONE TYPE STRING,
WORKBEGDA TYPE STRING,
WORKENDDA TYPE STRING,
WORKPERMI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MDG/_S_IS_PP_INTORDER_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_/MDG/_S_IS_PP_INTORDER_STR-COAREA sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-ORDERTYPE sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-SYSTEM sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-INTORDER sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-AIOBUSAR sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-AIOCHUSR sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-AIOITPCT sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-AIOKALSM sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-AIOOHKEY sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-AIOPLANT sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-AIORAKEY sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-AIOSALOD sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-AIOTAXJR sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-AIOWBSEL sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-APPDATE sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-APPLICANT sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-APPPHONE sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-COMPORDER sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-CURRINTOR sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-DEPMENT sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-ESTCOST sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-EXTORDNUM sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-FAINTORER sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-FDATEIO sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-OBJCLASS sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-OBJECTNUM sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-ORDERNAME sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-PCTRORDER sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-PLNCLOSE sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-PLNCOMPL sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-PLNRELEAS sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-REQCCTR sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-RESPCCTR sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-SETCELEM sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-SETLORDER sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-SORDITEM sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-TDATEINTO sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-TXTSH sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-USER sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-USERPHONE sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-WORKBEGDA sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-WORKENDDA sy-vline 
WA_/MDG/_S_IS_PP_INTORDER_STR-WORKPERMI sy-vline      INTO ld_text SEPARATED BY SPACE.

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