ABAP Select data from SAP table MMIM_GR4PO_DL_SUBITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MMIM_GR4PO_DL_SUBITEM 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 MMIM_GR4PO_DL_SUBITEM. 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 MMIM_GR4PO_DL_SUBITEM 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_MMIM_GR4PO_DL_SUBITEM TYPE STANDARD TABLE OF MMIM_GR4PO_DL_SUBITEM,
      WA_MMIM_GR4PO_DL_SUBITEM TYPE MMIM_GR4PO_DL_SUBITEM,
      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: <MMIM_GR4PO_DL_SUBITEM> TYPE MMIM_GR4PO_DL_SUBITEM.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_MMIM_GR4PO_DL_SUBITEM.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM MMIM_GR4PO_DL_SUBITEM
  INTO TABLE IT_MMIM_GR4PO_DL_SUBITEM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMIM_GR4PO_DL_SUBITEM
*  INTO TABLE @DATA(IT_MMIM_GR4PO_DL_SUBITEM2).
*--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_MMIM_GR4PO_DL_SUBITEM INDEX 1 INTO DATA(WA_MMIM_GR4PO_DL_SUBITEM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MMIM_GR4PO_DL_SUBITEM ASSIGNING <MMIM_GR4PO_DL_SUBITEM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMIM_GR4PO_DL_SUBITEM>-LE_VBELN = 1.
<MMIM_GR4PO_DL_SUBITEM>-POSNR = 1.
<MMIM_GR4PO_DL_SUBITEM>-SOURCE_OF_GR = 1.
<MMIM_GR4PO_DL_SUBITEM>-SEQ_NUMBER = 1.
<MMIM_GR4PO_DL_SUBITEM>-PARENTITEM = 1.

ENDLOOP.

LOOP AT IT_MMIM_GR4PO_DL_SUBITEM INTO WA_MMIM_GR4PO_DL_SUBITEM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMIM_GR4PO_DL_SUBITEM-PARENT_REF_LINE_ID, sy-vline,
  WA_MMIM_GR4PO_DL_SUBITEM-MATNR, sy-vline,
  WA_MMIM_GR4PO_DL_SUBITEM-MAKTX, sy-vline,
  WA_MMIM_GR4PO_DL_SUBITEM-WERKS, sy-vline,
  WA_MMIM_GR4PO_DL_SUBITEM-WERKS_NAME, sy-vline,
  WA_MMIM_GR4PO_DL_SUBITEM-CHARG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMIM_GR4PO_DL_SUBITEM 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_MMIM_GR4PO_DL_SUBITEM 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_MMIM_GR4PO_DL_SUBITEM INTO WA_MMIM_GR4PO_DL_SUBITEM.


*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 LE_VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-LE_VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-LE_VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field OFMNGME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-OFMNGME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-OFMNGME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ERFME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-ERFME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-ERFME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field PSPID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-PSPID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-PSPID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-KDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-KDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field COMMITMENT_ITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-COMMITMENT_ITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-COMMITMENT_ITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ASSET_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-ASSET_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-ASSET_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUB_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-SUB_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-SUB_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIM_GR4PO_DL_SUBITEM-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIM_GR4PO_DL_SUBITEM-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_MMIM_GR4PO_DL_SUBITEM_STR, 
LE_VBELN TYPE STRING,
POSNR TYPE STRING,
SOURCE_OF_GR TYPE STRING,
SEQ_NUMBER TYPE STRING,
PARENTITEM TYPE STRING,
PARENT_REF_LINE_ID TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
WERKS TYPE STRING,
WERKS_NAME TYPE STRING,
CHARG TYPE STRING,
BATCH_FIELD_CONTROL TYPE STRING,
BWART TYPE STRING,
OFMNG TYPE STRING,
OFMNGME TYPE STRING,
ERFMG TYPE STRING,
ERFME TYPE STRING,
WAMNG TYPE STRING,
VALUATION_TYPE TYPE STRING,
VALUA_TYPE_FIELD_CONTROL TYPE STRING,
SUBITEM_INDEX TYPE STRING,
COMPONENTID TYPE STRING,
MENGE TYPE STRING,
MEINS TYPE STRING,
XSAUT TYPE STRING,
SERIAL_FIELD_CONTROL TYPE STRING,
SOBKZ TYPE STRING,
SOTXT TYPE STRING,
PSPID TYPE STRING,
PS_POST_PROJ TYPE STRING,
POSID TYPE STRING,
PS_POST_WBSE TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
KOSTL TYPE STRING,
COMMITMENT_ITEM TYPE STRING,
COMMITMENT_ITEM_TXT TYPE STRING,
ASSET_NO TYPE STRING,
SUB_NUMBER TYPE STRING,
GEBER TYPE STRING,
FUNDS_CENTER TYPE STRING,
FUNDS_CENTER_TXT TYPE STRING,
FUNC_AREA TYPE STRING,
FUNC_AREA_TEXT TYPE STRING,
PRCTR TYPE STRING,
GRANT_NBR TYPE STRING,
FUNDED_PROGRAM TYPE STRING,
LGORT TYPE STRING,
LIFNR TYPE STRING,
GRUND TYPE STRING,
VFDAT TYPE STRING,
HSDAT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMIM_GR4PO_DL_SUBITEM_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_MMIM_GR4PO_DL_SUBITEM_STR-LE_VBELN sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-POSNR sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-SOURCE_OF_GR sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-SEQ_NUMBER sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-PARENTITEM sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-PARENT_REF_LINE_ID sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-MATNR sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-MAKTX sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-WERKS sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-WERKS_NAME sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-CHARG sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-BATCH_FIELD_CONTROL sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-BWART sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-OFMNG sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-OFMNGME sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-ERFMG sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-ERFME sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-WAMNG sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-VALUATION_TYPE sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-VALUA_TYPE_FIELD_CONTROL sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-SUBITEM_INDEX sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-COMPONENTID sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-MENGE sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-MEINS sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-XSAUT sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-SERIAL_FIELD_CONTROL sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-SOBKZ sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-SOTXT sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-PSPID sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-PS_POST_PROJ sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-POSID sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-PS_POST_WBSE sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-KDAUF sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-KDPOS sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-KOSTL sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-COMMITMENT_ITEM sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-COMMITMENT_ITEM_TXT sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-ASSET_NO sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-SUB_NUMBER sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-GEBER sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-FUNDS_CENTER sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-FUNDS_CENTER_TXT sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-FUNC_AREA sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-FUNC_AREA_TEXT sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-PRCTR sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-GRANT_NBR sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-FUNDED_PROGRAM sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-LGORT sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-LIFNR sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-GRUND sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-VFDAT sy-vline 
WA_MMIM_GR4PO_DL_SUBITEM_STR-HSDAT sy-vline      INTO ld_text SEPARATED BY SPACE.

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