ABAP Select data from SAP table LOMD_00002003 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP LOMD_00002003 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 LOMD_00002003. 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 LOMD_00002003 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_LOMD_00002003 TYPE STANDARD TABLE OF LOMD_00002003,
      WA_LOMD_00002003 TYPE LOMD_00002003,
      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: <LOMD_00002003> TYPE LOMD_00002003.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_LOMD_00002003.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM LOMD_00002003
  INTO TABLE IT_LOMD_00002003.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LOMD_00002003
*  INTO TABLE @DATA(IT_LOMD_000020032).
*--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_LOMD_00002003 INDEX 1 INTO DATA(WA_LOMD_000020032).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_LOMD_00002003 ASSIGNING <LOMD_00002003>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LOMD_00002003>-MSGFN = 1.
<LOMD_00002003>-VERID = 1.
<LOMD_00002003>-BDATU = 1.
<LOMD_00002003>-ADATU = 1.
<LOMD_00002003>-STLAL = 1.

ENDLOOP.

LOOP AT IT_LOMD_00002003 INTO WA_LOMD_00002003.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LOMD_00002003-STLAN, sy-vline,
  WA_LOMD_00002003-PLNTY, sy-vline,
  WA_LOMD_00002003-PLNNR, sy-vline,
  WA_LOMD_00002003-ALNAL, sy-vline,
  WA_LOMD_00002003-BESKZ, sy-vline,
  WA_LOMD_00002003-SOBSL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LOMD_00002003 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_LOMD_00002003 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_LOMD_00002003 INTO WA_LOMD_00002003.


*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 STLAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LOMD_00002003-STLAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOMD_00002003-STLAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LOMD_00002003-PLNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOMD_00002003-PLNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALNAL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LOMD_00002003-ALNAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOMD_00002003-ALNAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNNG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LOMD_00002003-PLNNG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOMD_00002003-PLNNG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALNAG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LOMD_00002003-ALNAG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOMD_00002003-ALNAG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PLNNM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LOMD_00002003-PLNNM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOMD_00002003-PLNNM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALNAM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LOMD_00002003-ALNAM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOMD_00002003-ALNAM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN5, internal->external for field MATKO
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_LOMD_00002003-MATKO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOMD_00002003-MATKO.
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_LOMD_00002003_STR, 
MSGFN TYPE STRING,
VERID TYPE STRING,
BDATU TYPE STRING,
ADATU TYPE STRING,
STLAL TYPE STRING,
STLAN TYPE STRING,
PLNTY TYPE STRING,
PLNNR TYPE STRING,
ALNAL TYPE STRING,
BESKZ TYPE STRING,
SOBSL TYPE STRING,
LOSGR TYPE STRING,
MDV01 TYPE STRING,
MDV02 TYPE STRING,
TEXT1 TYPE STRING,
EWAHR TYPE STRING,
VERTO TYPE STRING,
SERKZ TYPE STRING,
BSTMI TYPE STRING,
BSTMA TYPE STRING,
RGEKZ TYPE STRING,
ALORT TYPE STRING,
PLTYG TYPE STRING,
PLNNG TYPE STRING,
ALNAG TYPE STRING,
PLTYM TYPE STRING,
PLNNM TYPE STRING,
ALNAM TYPE STRING,
CSPLT TYPE STRING,
MATKO TYPE STRING,
ELPRO TYPE STRING,
PRVBE TYPE STRING,
MATKO_EXTERNAL TYPE STRING,
MATKO_VERSION TYPE STRING,
MATKO_GUID TYPE STRING,
MATKO_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LOMD_00002003_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_LOMD_00002003_STR-MSGFN sy-vline 
WA_LOMD_00002003_STR-VERID sy-vline 
WA_LOMD_00002003_STR-BDATU sy-vline 
WA_LOMD_00002003_STR-ADATU sy-vline 
WA_LOMD_00002003_STR-STLAL sy-vline 
WA_LOMD_00002003_STR-STLAN sy-vline 
WA_LOMD_00002003_STR-PLNTY sy-vline 
WA_LOMD_00002003_STR-PLNNR sy-vline 
WA_LOMD_00002003_STR-ALNAL sy-vline 
WA_LOMD_00002003_STR-BESKZ sy-vline 
WA_LOMD_00002003_STR-SOBSL sy-vline 
WA_LOMD_00002003_STR-LOSGR sy-vline 
WA_LOMD_00002003_STR-MDV01 sy-vline 
WA_LOMD_00002003_STR-MDV02 sy-vline 
WA_LOMD_00002003_STR-TEXT1 sy-vline 
WA_LOMD_00002003_STR-EWAHR sy-vline 
WA_LOMD_00002003_STR-VERTO sy-vline 
WA_LOMD_00002003_STR-SERKZ sy-vline 
WA_LOMD_00002003_STR-BSTMI sy-vline 
WA_LOMD_00002003_STR-BSTMA sy-vline 
WA_LOMD_00002003_STR-RGEKZ sy-vline 
WA_LOMD_00002003_STR-ALORT sy-vline 
WA_LOMD_00002003_STR-PLTYG sy-vline 
WA_LOMD_00002003_STR-PLNNG sy-vline 
WA_LOMD_00002003_STR-ALNAG sy-vline 
WA_LOMD_00002003_STR-PLTYM sy-vline 
WA_LOMD_00002003_STR-PLNNM sy-vline 
WA_LOMD_00002003_STR-ALNAM sy-vline 
WA_LOMD_00002003_STR-CSPLT sy-vline 
WA_LOMD_00002003_STR-MATKO sy-vline 
WA_LOMD_00002003_STR-ELPRO sy-vline 
WA_LOMD_00002003_STR-PRVBE sy-vline 
WA_LOMD_00002003_STR-MATKO_EXTERNAL sy-vline 
WA_LOMD_00002003_STR-MATKO_VERSION sy-vline 
WA_LOMD_00002003_STR-MATKO_GUID sy-vline 
WA_LOMD_00002003_STR-MATKO_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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