ABAP Select data from SAP table VM07I into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VM07I 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 VM07I. 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 VM07I 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_VM07I TYPE STANDARD TABLE OF VM07I,
      WA_VM07I TYPE VM07I,
      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: <VM07I> TYPE VM07I.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VM07I.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VM07I
  INTO TABLE IT_VM07I.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VM07I
*  INTO TABLE @DATA(IT_VM07I2).
*--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_VM07I INDEX 1 INTO DATA(WA_VM07I2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VM07I ASSIGNING <VM07I>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VM07I>-ZEILV = 1.
<VM07I>-KMBEW = 1.
<VM07I>-BWKEY = 1.
<VM07I>-BWTAR = 1.
<VM07I>-WERTU = 1.

ENDLOOP.

LOOP AT IT_VM07I INTO WA_VM07I.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VM07I-MENGU, sy-vline,
  WA_VM07I-XBMAT, sy-vline,
  WA_VM07I-XIUPD, sy-vline,
  WA_VM07I-ZUAWA, sy-vline,
  WA_VM07I-HZUAW, sy-vline,
  WA_VM07I-LFGJA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VM07I 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_VM07I 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_VM07I INTO WA_VM07I.


*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 GJAHR, internal->external for field LFGJA
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_VM07I-LFGJA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VM07I-LFGJA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VM07I-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VM07I-PRCTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFCH
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VM07I-LIFCH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VM07I-LIFCH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field SAISJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_VM07I-SAISJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VM07I-SAISJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRUEFLOS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VM07I-PRUEFLOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VM07I-PRUEFLOS.
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_VM07I_STR, 
ZEILV TYPE STRING,
KMBEW TYPE STRING,
BWKEY TYPE STRING,
BWTAR TYPE STRING,
WERTU TYPE STRING,
MENGU TYPE STRING,
XBMAT TYPE STRING,
XIUPD TYPE STRING,
ZUAWA TYPE STRING,
HZUAW TYPE STRING,
LFGJA TYPE STRING,
XZAEV TYPE STRING,
XLOEV TYPE STRING,
DIFME TYPE STRING,
DIFMG TYPE STRING,
BWART TYPE STRING,
ISTAT TYPE STRING,
VSTAT TYPE STRING,
SEGMN TYPE STRING,
XISPE TYPE STRING,
XIAKT TYPE STRING,
XIINV TYPE STRING,
AISTA TYPE STRING,
XAISP TYPE STRING,
XAIAK TYPE STRING,
SHKZG TYPE STRING,
SMARD TYPE STRING,
SMCHB TYPE STRING,
SMKOL TYPE STRING,
UPDKZ TYPE STRING,
MONAT TYPE STRING,
VGART TYPE STRING,
NUMKR TYPE STRING,
DISMM TYPE STRING,
DISST TYPE STRING,
SPART TYPE STRING,
GSBER TYPE STRING,
PRCTR TYPE STRING,
DISPO TYPE STRING,
MTART TYPE STRING,
XCHPF TYPE STRING,
LFMON TYPE STRING,
DIFVW TYPE STRING,
MLMAA TYPE STRING,
MLAST TYPE STRING,
KALN1 TYPE STRING,
LIFCH TYPE STRING,
LICHA TYPE STRING,
ISTB2 TYPE STRING,
ISTB3 TYPE STRING,
LWEDT TYPE STRING,
VFDAT TYPE STRING,
QNDAT TYPE STRING,
SAISO TYPE STRING,
SAISJ TYPE STRING,
PRUEFLOS TYPE STRING,
KALNR TYPE STRING,
HRKFT TYPE STRING,
HKMAT TYPE STRING,
HSDAT TYPE STRING,
MINBE TYPE STRING,
DISKZ TYPE STRING,
/CWM/DIFME TYPE STRING,
/CWM/DIFMG TYPE STRING,
/CWM/MINBE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VM07I_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_VM07I_STR-ZEILV sy-vline 
WA_VM07I_STR-KMBEW sy-vline 
WA_VM07I_STR-BWKEY sy-vline 
WA_VM07I_STR-BWTAR sy-vline 
WA_VM07I_STR-WERTU sy-vline 
WA_VM07I_STR-MENGU sy-vline 
WA_VM07I_STR-XBMAT sy-vline 
WA_VM07I_STR-XIUPD sy-vline 
WA_VM07I_STR-ZUAWA sy-vline 
WA_VM07I_STR-HZUAW sy-vline 
WA_VM07I_STR-LFGJA sy-vline 
WA_VM07I_STR-XZAEV sy-vline 
WA_VM07I_STR-XLOEV sy-vline 
WA_VM07I_STR-DIFME sy-vline 
WA_VM07I_STR-DIFMG sy-vline 
WA_VM07I_STR-BWART sy-vline 
WA_VM07I_STR-ISTAT sy-vline 
WA_VM07I_STR-VSTAT sy-vline 
WA_VM07I_STR-SEGMN sy-vline 
WA_VM07I_STR-XISPE sy-vline 
WA_VM07I_STR-XIAKT sy-vline 
WA_VM07I_STR-XIINV sy-vline 
WA_VM07I_STR-AISTA sy-vline 
WA_VM07I_STR-XAISP sy-vline 
WA_VM07I_STR-XAIAK sy-vline 
WA_VM07I_STR-SHKZG sy-vline 
WA_VM07I_STR-SMARD sy-vline 
WA_VM07I_STR-SMCHB sy-vline 
WA_VM07I_STR-SMKOL sy-vline 
WA_VM07I_STR-UPDKZ sy-vline 
WA_VM07I_STR-MONAT sy-vline 
WA_VM07I_STR-VGART sy-vline 
WA_VM07I_STR-NUMKR sy-vline 
WA_VM07I_STR-DISMM sy-vline 
WA_VM07I_STR-DISST sy-vline 
WA_VM07I_STR-SPART sy-vline 
WA_VM07I_STR-GSBER sy-vline 
WA_VM07I_STR-PRCTR sy-vline 
WA_VM07I_STR-DISPO sy-vline 
WA_VM07I_STR-MTART sy-vline 
WA_VM07I_STR-XCHPF sy-vline 
WA_VM07I_STR-LFMON sy-vline 
WA_VM07I_STR-DIFVW sy-vline 
WA_VM07I_STR-MLMAA sy-vline 
WA_VM07I_STR-MLAST sy-vline 
WA_VM07I_STR-KALN1 sy-vline 
WA_VM07I_STR-LIFCH sy-vline 
WA_VM07I_STR-LICHA sy-vline 
WA_VM07I_STR-ISTB2 sy-vline 
WA_VM07I_STR-ISTB3 sy-vline 
WA_VM07I_STR-LWEDT sy-vline 
WA_VM07I_STR-VFDAT sy-vline 
WA_VM07I_STR-QNDAT sy-vline 
WA_VM07I_STR-SAISO sy-vline 
WA_VM07I_STR-SAISJ sy-vline 
WA_VM07I_STR-PRUEFLOS sy-vline 
WA_VM07I_STR-KALNR sy-vline 
WA_VM07I_STR-HRKFT sy-vline 
WA_VM07I_STR-HKMAT sy-vline 
WA_VM07I_STR-HSDAT sy-vline 
WA_VM07I_STR-MINBE sy-vline 
WA_VM07I_STR-DISKZ sy-vline 
WA_VM07I_STR-/CWM/DIFME sy-vline 
WA_VM07I_STR-/CWM/DIFMG sy-vline 
WA_VM07I_STR-/CWM/MINBE sy-vline      INTO ld_text SEPARATED BY SPACE.

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