ABAP Select data from SAP table MMIV_SI_S_INCOMPLETE_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMIV_SI_S_INCOMPLETE_ITEM
*  INTO TABLE @DATA(IT_MMIV_SI_S_INCOMPLETE_ITEM2).
*--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_MMIV_SI_S_INCOMPLETE_ITEM INDEX 1 INTO DATA(WA_MMIV_SI_S_INCOMPLETE_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMIV_SI_S_INCOMPLETE_ITEM>-KEY = 1.
<MMIV_SI_S_INCOMPLETE_ITEM>-PARENT_KEY = 1.
<MMIV_SI_S_INCOMPLETE_ITEM>-ROOT_KEY = 1.
<MMIV_SI_S_INCOMPLETE_ITEM>-EBELN = 1.
<MMIV_SI_S_INCOMPLETE_ITEM>-EBELP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMIV_SI_S_INCOMPLETE_ITEM-SELKZ, sy-vline,
  WA_MMIV_SI_S_INCOMPLETE_ITEM-MENGE, sy-vline,
  WA_MMIV_SI_S_INCOMPLETE_ITEM-BPMNG, sy-vline,
  WA_MMIV_SI_S_INCOMPLETE_ITEM-WRBTR, sy-vline,
  WA_MMIV_SI_S_INCOMPLETE_ITEM-MEINS, sy-vline,
  WA_MMIV_SI_S_INCOMPLETE_ITEM-BPRME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMIV_SI_S_INCOMPLETE_ITEM 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_MMIV_SI_S_INCOMPLETE_ITEM 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_MMIV_SI_S_INCOMPLETE_ITEM INTO WA_MMIV_SI_S_INCOMPLETE_ITEM.


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

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

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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_INCOMPLETE_ITEM-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_INCOMPLETE_ITEM-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_INCOMPLETE_ITEM-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_INCOMPLETE_ITEM-LIFNR.
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_MMIV_SI_S_INCOMPLETE_ITEM_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
SELKZ TYPE STRING,
MENGE TYPE STRING,
BPMNG TYPE STRING,
WRBTR TYPE STRING,
MEINS TYPE STRING,
BPRME TYPE STRING,
MWSKZ TYPE STRING,
SGTXT TYPE STRING,
XSKRL TYPE STRING,
XBLNR TYPE STRING,
TXJCD TYPE STRING,
TXJCD_EXT TYPE STRING,
IS_VALID TYPE STRING,
ERROR_TEXT TYPE STRING,
BUKRS TYPE STRING,
UX_FC_TXJCD_INT TYPE STRING,
UX_FC_TXJCD_EXT TYPE STRING,
UX_FC_BPMNG TYPE STRING,
UX_FC_TAX_COUNTRY TYPE STRING,
CREA_DATE_TIME TYPE STRING,
CREA_UNAME TYPE STRING,
LCHG_DATE_TIME TYPE STRING,
LCHG_UNAME TYPE STRING,
TAX_COUNTRY TYPE STRING,
STATE TYPE STRING,
WAERS TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
LIFNR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMIV_SI_S_INCOMPLETE_ITEM_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_MMIV_SI_S_INCOMPLETE_ITEM_STR-KEY sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-PARENT_KEY sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-ROOT_KEY sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-EBELN sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-EBELP sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-SELKZ sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-MENGE sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-BPMNG sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-WRBTR sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-MEINS sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-BPRME sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-MWSKZ sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-SGTXT sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-XSKRL sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-XBLNR sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-TXJCD sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-TXJCD_EXT sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-IS_VALID sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-ERROR_TEXT sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-BUKRS sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-UX_FC_TXJCD_INT sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-UX_FC_TXJCD_EXT sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-UX_FC_BPMNG sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-UX_FC_TAX_COUNTRY sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-CREA_DATE_TIME sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-CREA_UNAME sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-LCHG_DATE_TIME sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-LCHG_UNAME sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-TAX_COUNTRY sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-STATE sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-WAERS sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-GJAHR sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-BELNR sy-vline 
WA_MMIV_SI_S_INCOMPLETE_ITEM_STR-LIFNR sy-vline      INTO ld_text SEPARATED BY SPACE.

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