ABAP Select data from SAP table F2MMIM_MATSTVAL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP F2MMIM_MATSTVAL 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 F2MMIM_MATSTVAL. 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 F2MMIM_MATSTVAL 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_F2MMIM_MATSTVAL TYPE STANDARD TABLE OF F2MMIM_MATSTVAL,
      WA_F2MMIM_MATSTVAL TYPE F2MMIM_MATSTVAL,
      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: <F2MMIM_MATSTVAL> TYPE F2MMIM_MATSTVAL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_F2MMIM_MATSTVAL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM F2MMIM_MATSTVAL
  INTO TABLE IT_F2MMIM_MATSTVAL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM F2MMIM_MATSTVAL
*  INTO TABLE @DATA(IT_F2MMIM_MATSTVAL2).
*--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_F2MMIM_MATSTVAL INDEX 1 INTO DATA(WA_F2MMIM_MATSTVAL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_F2MMIM_MATSTVAL ASSIGNING <F2MMIM_MATSTVAL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<F2MMIM_MATSTVAL>-MANDT = 1.
<F2MMIM_MATSTVAL>-SOURCECONSTANTID = 1.
<F2MMIM_MATSTVAL>-MATERIAL = 1.
<F2MMIM_MATSTVAL>-PLANT = 1.
<F2MMIM_MATSTVAL>-STORAGELOCATION = 1.

ENDLOOP.

LOOP AT IT_F2MMIM_MATSTVAL INTO WA_F2MMIM_MATSTVAL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_F2MMIM_MATSTVAL-RESOURCEID, sy-vline,
  WA_F2MMIM_MATSTVAL-BATCH, sy-vline,
  WA_F2MMIM_MATSTVAL-SUPPLIER, sy-vline,
  WA_F2MMIM_MATSTVAL-SDDOCUMENT, sy-vline,
  WA_F2MMIM_MATSTVAL-SDDOCUMENTITEM, sy-vline,
  WA_F2MMIM_MATSTVAL-WBSELEMENTINTERNALID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_F2MMIM_MATSTVAL 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_F2MMIM_MATSTVAL 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_F2MMIM_MATSTVAL INTO WA_F2MMIM_MATSTVAL.


*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 MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_F2MMIM_MATSTVAL-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_F2MMIM_MATSTVAL-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_F2MMIM_MATSTVAL-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_F2MMIM_MATSTVAL-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SDDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_F2MMIM_MATSTVAL-SDDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_F2MMIM_MATSTVAL-SDDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field WBSELEMENTINTERNALID
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_F2MMIM_MATSTVAL-WBSELEMENTINTERNALID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_F2MMIM_MATSTVAL-WBSELEMENTINTERNALID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_F2MMIM_MATSTVAL-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_F2MMIM_MATSTVAL-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_F2MMIM_MATSTVAL-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_F2MMIM_MATSTVAL-MATERIALBASEUNIT.
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_F2MMIM_MATSTVAL_STR, 
MANDT TYPE STRING,
SOURCECONSTANTID TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
RESOURCEID TYPE STRING,
BATCH TYPE STRING,
SUPPLIER TYPE STRING,
SDDOCUMENT TYPE STRING,
SDDOCUMENTITEM TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
CUSTOMER TYPE STRING,
INVENTORYSPECIALSTOCKTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
CURRENCY TYPE STRING,
INVENTORYVALUATIONTYPE TYPE STRING,
VALUATIONAREATYPE TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
CURRENTSTOCK TYPE STRING,
QUALITYINSPECTIONSTOCKQUANTITY TYPE STRING,
RETURNSBLOCKEDSTOCKQUANTITY TYPE STRING,
TRANSFERSTOCKSTORAGELOCQTY TYPE STRING,
TRANSFERSTOCKPLANTQUANTITY TYPE STRING,
STOCKINTRANSITQUANTITY TYPE STRING,
BLOCKEDSTOCKQUANTITY TYPE STRING,
RESTRICTEDSTOCKQUANTITY TYPE STRING,
TIEDEMPTIESSTOCKQUANTITY TYPE STRING,
GOODSRECEIPTBLOCKEDSTOCKQTY TYPE STRING,
CURRENTSTOCKVALUE TYPE STRING,
QUALITYINSPECTIONSTOCKVALUE TYPE STRING,
RETURNSBLOCKEDSTOCKVALUE TYPE STRING,
TRANSFERSTOCKSTORAGELOCVALUE TYPE STRING,
TRANSFERSTOCKPLANTVALUE TYPE STRING,
STOCKINTRANSITVALUE TYPE STRING,
BLOCKEDSTOCKVALUE TYPE STRING,
RESTRICTEDSTOCKVALUE TYPE STRING,
TIEDEMPTIESSTOCKVALUE TYPE STRING,
GOODSRECEIPTBLOCKEDSTOCKVALUE TYPE STRING,
CURRENTSTOCKCURVAL TYPE STRING,
QUALITYINSPECTIONSTOCKCURVAL TYPE STRING,
RETURNSBLOCKEDSTOCKCURVAL TYPE STRING,
TRANSFERSTOCKSTORAGELOCCURVAL TYPE STRING,
TRANSFERSTOCKPLANTCURVAL TYPE STRING,
STOCKINTRANSITCURVAL TYPE STRING,
BLOCKEDSTOCKCURVAL TYPE STRING,
RESTRICTEDSTOCKCURVAL TYPE STRING,
TIEDEMPTIESSTOCKCURVAL TYPE STRING,
GOODSRECEIPTBLOCKEDSTOCKCURVAL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_F2MMIM_MATSTVAL_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_F2MMIM_MATSTVAL_STR-MANDT sy-vline 
WA_F2MMIM_MATSTVAL_STR-SOURCECONSTANTID sy-vline 
WA_F2MMIM_MATSTVAL_STR-MATERIAL sy-vline 
WA_F2MMIM_MATSTVAL_STR-PLANT sy-vline 
WA_F2MMIM_MATSTVAL_STR-STORAGELOCATION sy-vline 
WA_F2MMIM_MATSTVAL_STR-RESOURCEID sy-vline 
WA_F2MMIM_MATSTVAL_STR-BATCH sy-vline 
WA_F2MMIM_MATSTVAL_STR-SUPPLIER sy-vline 
WA_F2MMIM_MATSTVAL_STR-SDDOCUMENT sy-vline 
WA_F2MMIM_MATSTVAL_STR-SDDOCUMENTITEM sy-vline 
WA_F2MMIM_MATSTVAL_STR-WBSELEMENTINTERNALID sy-vline 
WA_F2MMIM_MATSTVAL_STR-CUSTOMER sy-vline 
WA_F2MMIM_MATSTVAL_STR-INVENTORYSPECIALSTOCKTYPE sy-vline 
WA_F2MMIM_MATSTVAL_STR-COMPANYCODE sy-vline 
WA_F2MMIM_MATSTVAL_STR-MATERIALBASEUNIT sy-vline 
WA_F2MMIM_MATSTVAL_STR-CURRENCY sy-vline 
WA_F2MMIM_MATSTVAL_STR-INVENTORYVALUATIONTYPE sy-vline 
WA_F2MMIM_MATSTVAL_STR-VALUATIONAREATYPE sy-vline 
WA_F2MMIM_MATSTVAL_STR-DISPLAYCURRENCY sy-vline 
WA_F2MMIM_MATSTVAL_STR-CURRENTSTOCK sy-vline 
WA_F2MMIM_MATSTVAL_STR-QUALITYINSPECTIONSTOCKQUANTITY sy-vline 
WA_F2MMIM_MATSTVAL_STR-RETURNSBLOCKEDSTOCKQUANTITY sy-vline 
WA_F2MMIM_MATSTVAL_STR-TRANSFERSTOCKSTORAGELOCQTY sy-vline 
WA_F2MMIM_MATSTVAL_STR-TRANSFERSTOCKPLANTQUANTITY sy-vline 
WA_F2MMIM_MATSTVAL_STR-STOCKINTRANSITQUANTITY sy-vline 
WA_F2MMIM_MATSTVAL_STR-BLOCKEDSTOCKQUANTITY sy-vline 
WA_F2MMIM_MATSTVAL_STR-RESTRICTEDSTOCKQUANTITY sy-vline 
WA_F2MMIM_MATSTVAL_STR-TIEDEMPTIESSTOCKQUANTITY sy-vline 
WA_F2MMIM_MATSTVAL_STR-GOODSRECEIPTBLOCKEDSTOCKQTY sy-vline 
WA_F2MMIM_MATSTVAL_STR-CURRENTSTOCKVALUE sy-vline 
WA_F2MMIM_MATSTVAL_STR-QUALITYINSPECTIONSTOCKVALUE sy-vline 
WA_F2MMIM_MATSTVAL_STR-RETURNSBLOCKEDSTOCKVALUE sy-vline 
WA_F2MMIM_MATSTVAL_STR-TRANSFERSTOCKSTORAGELOCVALUE sy-vline 
WA_F2MMIM_MATSTVAL_STR-TRANSFERSTOCKPLANTVALUE sy-vline 
WA_F2MMIM_MATSTVAL_STR-STOCKINTRANSITVALUE sy-vline 
WA_F2MMIM_MATSTVAL_STR-BLOCKEDSTOCKVALUE sy-vline 
WA_F2MMIM_MATSTVAL_STR-RESTRICTEDSTOCKVALUE sy-vline 
WA_F2MMIM_MATSTVAL_STR-TIEDEMPTIESSTOCKVALUE sy-vline 
WA_F2MMIM_MATSTVAL_STR-GOODSRECEIPTBLOCKEDSTOCKVALUE sy-vline 
WA_F2MMIM_MATSTVAL_STR-CURRENTSTOCKCURVAL sy-vline 
WA_F2MMIM_MATSTVAL_STR-QUALITYINSPECTIONSTOCKCURVAL sy-vline 
WA_F2MMIM_MATSTVAL_STR-RETURNSBLOCKEDSTOCKCURVAL sy-vline 
WA_F2MMIM_MATSTVAL_STR-TRANSFERSTOCKSTORAGELOCCURVAL sy-vline 
WA_F2MMIM_MATSTVAL_STR-TRANSFERSTOCKPLANTCURVAL sy-vline 
WA_F2MMIM_MATSTVAL_STR-STOCKINTRANSITCURVAL sy-vline 
WA_F2MMIM_MATSTVAL_STR-BLOCKEDSTOCKCURVAL sy-vline 
WA_F2MMIM_MATSTVAL_STR-RESTRICTEDSTOCKCURVAL sy-vline 
WA_F2MMIM_MATSTVAL_STR-TIEDEMPTIESSTOCKCURVAL sy-vline 
WA_F2MMIM_MATSTVAL_STR-GOODSRECEIPTBLOCKEDSTOCKCURVAL sy-vline      INTO ld_text SEPARATED BY SPACE.

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