ABAP Select data from SAP table MMIV_CONSIGNMENT_UI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MMIV_CONSIGNMENT_UI 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_CONSIGNMENT_UI. 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_CONSIGNMENT_UI 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_CONSIGNMENT_UI TYPE STANDARD TABLE OF MMIV_CONSIGNMENT_UI,
      WA_MMIV_CONSIGNMENT_UI TYPE MMIV_CONSIGNMENT_UI,
      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_CONSIGNMENT_UI> TYPE MMIV_CONSIGNMENT_UI.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMIV_CONSIGNMENT_UI
*  INTO TABLE @DATA(IT_MMIV_CONSIGNMENT_UI2).
*--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_CONSIGNMENT_UI INDEX 1 INTO DATA(WA_MMIV_CONSIGNMENT_UI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMIV_CONSIGNMENT_UI>-BUKRS = 1.
<MMIV_CONSIGNMENT_UI>-LIFNR = 1.
<MMIV_CONSIGNMENT_UI>-MBLNR = 1.
<MMIV_CONSIGNMENT_UI>-MJAHR = 1.
<MMIV_CONSIGNMENT_UI>-ZEILE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMIV_CONSIGNMENT_UI-SOBKZ, sy-vline,
  WA_MMIV_CONSIGNMENT_UI-BLDAT, sy-vline,
  WA_MMIV_CONSIGNMENT_UI-WERKS, sy-vline,
  WA_MMIV_CONSIGNMENT_UI-MATNR, sy-vline,
  WA_MMIV_CONSIGNMENT_UI-BSTMG, sy-vline,
  WA_MMIV_CONSIGNMENT_UI-BSTME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMIV_CONSIGNMENT_UI 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_CONSIGNMENT_UI 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_CONSIGNMENT_UI INTO WA_MMIV_CONSIGNMENT_UI.


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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field /CWM/ERFME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_CONSIGNMENT_UI-/CWM/ERFME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_CONSIGNMENT_UI-/CWM/ERFME.
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_CONSIGNMENT_UI_STR, 
BUKRS TYPE STRING,
LIFNR TYPE STRING,
MBLNR TYPE STRING,
MJAHR TYPE STRING,
ZEILE TYPE STRING,
SOBKZ TYPE STRING,
BLDAT TYPE STRING,
WERKS TYPE STRING,
MATNR TYPE STRING,
BSTMG TYPE STRING,
BSTME TYPE STRING,
SHKZG TYPE STRING,
WRBTR TYPE STRING,
BWAER TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
STATUS TYPE STRING,
INFOTEXT TYPE STRING,
TYPE TYPE STRING,
ID TYPE STRING,
NUMBER TYPE STRING,
MESSAGE TYPE STRING,
LOG_NO TYPE STRING,
LOG_MSG_NO TYPE STRING,
MESSAGE_V1 TYPE STRING,
MESSAGE_V2 TYPE STRING,
MESSAGE_V3 TYPE STRING,
MESSAGE_V4 TYPE STRING,
PARAMETER TYPE STRING,
ROW TYPE STRING,
FIELD TYPE STRING,
SYSTEM TYPE STRING,
/CWM/MENGE TYPE STRING,
/CWM/MEINS TYPE STRING,
/CWM/ERFMG TYPE STRING,
/CWM/ERFME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMIV_CONSIGNMENT_UI_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_CONSIGNMENT_UI_STR-BUKRS sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-LIFNR sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-MBLNR sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-MJAHR sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-ZEILE sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-SOBKZ sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-BLDAT sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-WERKS sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-MATNR sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-BSTMG sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-BSTME sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-SHKZG sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-WRBTR sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-BWAER sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-BELNR sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-GJAHR sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-BUZEI sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-STATUS sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-INFOTEXT sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-TYPE sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-ID sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-NUMBER sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-MESSAGE sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-LOG_NO sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-LOG_MSG_NO sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-MESSAGE_V1 sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-MESSAGE_V2 sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-MESSAGE_V3 sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-MESSAGE_V4 sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-PARAMETER sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-ROW sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-FIELD sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-SYSTEM sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-/CWM/MENGE sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-/CWM/MEINS sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-/CWM/ERFMG sy-vline 
WA_MMIV_CONSIGNMENT_UI_STR-/CWM/ERFME sy-vline      INTO ld_text SEPARATED BY SPACE.

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