ABAP Select data from SAP table LOMD_00001345 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP LOMD_00001345 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_00001345. 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_00001345 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_00001345 TYPE STANDARD TABLE OF LOMD_00001345,
      WA_LOMD_00001345 TYPE LOMD_00001345,
      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_00001345> TYPE LOMD_00001345.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_LOMD_00001345.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM LOMD_00001345
  INTO TABLE IT_LOMD_00001345.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LOMD_00001345
*  INTO TABLE @DATA(IT_LOMD_000013452).
*--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_00001345 INDEX 1 INTO DATA(WA_LOMD_000013452).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_LOMD_00001345 ASSIGNING <LOMD_00001345>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LOMD_00001345>-MSGFN = 1.
<LOMD_00001345>-STLKN = 1.
<LOMD_00001345>-ID_ITM_CTG = 1.
<LOMD_00001345>-ID_ITEM_NO = 1.
<LOMD_00001345>-ID_COMP = 1.

ENDLOOP.

LOOP AT IT_LOMD_00001345 INTO WA_LOMD_00001345.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LOMD_00001345-ID_CLASS, sy-vline,
  WA_LOMD_00001345-ID_CL_TYPE, sy-vline,
  WA_LOMD_00001345-ID_DOC, sy-vline,
  WA_LOMD_00001345-ID_DOC_TYP, sy-vline,
  WA_LOMD_00001345-ID_DOC_PRT, sy-vline,
  WA_LOMD_00001345-ID_DOC_VRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LOMD_00001345 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_00001345 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_00001345 INTO WA_LOMD_00001345.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_LOMD_00001345_STR, 
MSGFN TYPE STRING,
STLKN TYPE STRING,
ID_ITM_CTG TYPE STRING,
ID_ITEM_NO TYPE STRING,
ID_COMP TYPE STRING,
ID_CLASS TYPE STRING,
ID_CL_TYPE TYPE STRING,
ID_DOC TYPE STRING,
ID_DOC_TYP TYPE STRING,
ID_DOC_PRT TYPE STRING,
ID_DOC_VRS TYPE STRING,
ID_SORT TYPE STRING,
DATUV TYPE STRING,
AENNR TYPE STRING,
LKENZ TYPE STRING,
IDNRK TYPE STRING,
POSTP TYPE STRING,
POSNR TYPE STRING,
SORTF TYPE STRING,
MEINS TYPE STRING,
MENGE TYPE STRING,
FMENG TYPE STRING,
AUSCH TYPE STRING,
AVOAU TYPE STRING,
NETAU TYPE STRING,
SCHGT TYPE STRING,
BEIKZ TYPE STRING,
ERSKZ TYPE STRING,
RVREL TYPE STRING,
SANFE TYPE STRING,
SANIN TYPE STRING,
SANKA TYPE STRING,
SANKO TYPE STRING,
SANVS TYPE STRING,
STKKZ TYPE STRING,
REKRI TYPE STRING,
REKRS TYPE STRING,
CADPO TYPE STRING,
NLFZT TYPE STRING,
VERTI TYPE STRING,
ALPOS TYPE STRING,
EWAHR TYPE STRING,
EKGRP TYPE STRING,
LIFZT TYPE STRING,
LIFNR TYPE STRING,
PREIS TYPE STRING,
PEINH TYPE STRING,
WAERS TYPE STRING,
SAKTO TYPE STRING,
ROANZ TYPE STRING,
ROMS1 TYPE STRING,
ROMS2 TYPE STRING,
ROMS3 TYPE STRING,
ROMEI TYPE STRING,
ROMEN TYPE STRING,
RFORM TYPE STRING,
UPSKZ TYPE STRING,
LTXSP TYPE STRING,
POTX1 TYPE STRING,
POTX2 TYPE STRING,
OBJTY TYPE STRING,
MATKL TYPE STRING,
WEBAZ TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKVR TYPE STRING,
DOKTL TYPE STRING,
CSSTR TYPE STRING,
CLASS TYPE STRING,
KLART TYPE STRING,
POTPR TYPE STRING,
AWAKZ TYPE STRING,
INSKZ TYPE STRING,
VCEKZ TYPE STRING,
VSTKZ TYPE STRING,
VACKZ TYPE STRING,
EKORG TYPE STRING,
CLOBK TYPE STRING,
CLMUL TYPE STRING,
CLALT TYPE STRING,
CVIEW TYPE STRING,
KNOBJ TYPE STRING,
LGORT TYPE STRING,
KZKUP TYPE STRING,
INTRM TYPE STRING,
TPEKZ TYPE STRING,
DSPST TYPE STRING,
ALPST TYPE STRING,
ALPRF TYPE STRING,
ALPGR TYPE STRING,
NFGRP TYPE STRING,
NFEAG TYPE STRING,
CLSZU TYPE STRING,
KZCLB TYPE STRING,
LTXSP_ISO TYPE STRING,
NLFZV TYPE STRING,
NLFMV TYPE STRING,
KLASSE TYPE STRING,
PRVBE TYPE STRING,
ITMID TYPE STRING,
GUIDX TYPE STRING,
ITSOB TYPE STRING,
RFPNT TYPE STRING,
IDNRK_EXTERNAL TYPE STRING,
IDNRK_VERSION TYPE STRING,
IDNRK_GUID TYPE STRING,
ID_COMP_EXTERNAL TYPE STRING,
ID_COMP_VERSION TYPE STRING,
ID_COMP_GUID TYPE STRING,
INTRM_EXTERNAL TYPE STRING,
INTRM_VERSION TYPE STRING,
INTRM_GUID TYPE STRING,
ID_COMP_LONG TYPE STRING,
SEGMENT_VALUE TYPE STRING,
CRITICAL_COMP_INDICATOR TYPE STRING,
CRITICAL_LEVEL TYPE STRING,
E1CUKBM TYPE STRING,
E1SPOTH TYPE STRING,
MSGFN TYPE STRING,
TDNAME TYPE STRING,
TDID TYPE STRING,
TDSPRAS TYPE STRING,
TDSPRAS_ISO TYPE STRING,
E1SPOTL TYPE STRING,
E1STPUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LOMD_00001345_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_00001345_STR-MSGFN sy-vline 
WA_LOMD_00001345_STR-STLKN sy-vline 
WA_LOMD_00001345_STR-ID_ITM_CTG sy-vline 
WA_LOMD_00001345_STR-ID_ITEM_NO sy-vline 
WA_LOMD_00001345_STR-ID_COMP sy-vline 
WA_LOMD_00001345_STR-ID_CLASS sy-vline 
WA_LOMD_00001345_STR-ID_CL_TYPE sy-vline 
WA_LOMD_00001345_STR-ID_DOC sy-vline 
WA_LOMD_00001345_STR-ID_DOC_TYP sy-vline 
WA_LOMD_00001345_STR-ID_DOC_PRT sy-vline 
WA_LOMD_00001345_STR-ID_DOC_VRS sy-vline 
WA_LOMD_00001345_STR-ID_SORT sy-vline 
WA_LOMD_00001345_STR-DATUV sy-vline 
WA_LOMD_00001345_STR-AENNR sy-vline 
WA_LOMD_00001345_STR-LKENZ sy-vline 
WA_LOMD_00001345_STR-IDNRK sy-vline 
WA_LOMD_00001345_STR-POSTP sy-vline 
WA_LOMD_00001345_STR-POSNR sy-vline 
WA_LOMD_00001345_STR-SORTF sy-vline 
WA_LOMD_00001345_STR-MEINS sy-vline 
WA_LOMD_00001345_STR-MENGE sy-vline 
WA_LOMD_00001345_STR-FMENG sy-vline 
WA_LOMD_00001345_STR-AUSCH sy-vline 
WA_LOMD_00001345_STR-AVOAU sy-vline 
WA_LOMD_00001345_STR-NETAU sy-vline 
WA_LOMD_00001345_STR-SCHGT sy-vline 
WA_LOMD_00001345_STR-BEIKZ sy-vline 
WA_LOMD_00001345_STR-ERSKZ sy-vline 
WA_LOMD_00001345_STR-RVREL sy-vline 
WA_LOMD_00001345_STR-SANFE sy-vline 
WA_LOMD_00001345_STR-SANIN sy-vline 
WA_LOMD_00001345_STR-SANKA sy-vline 
WA_LOMD_00001345_STR-SANKO sy-vline 
WA_LOMD_00001345_STR-SANVS sy-vline 
WA_LOMD_00001345_STR-STKKZ sy-vline 
WA_LOMD_00001345_STR-REKRI sy-vline 
WA_LOMD_00001345_STR-REKRS sy-vline 
WA_LOMD_00001345_STR-CADPO sy-vline 
WA_LOMD_00001345_STR-NLFZT sy-vline 
WA_LOMD_00001345_STR-VERTI sy-vline 
WA_LOMD_00001345_STR-ALPOS sy-vline 
WA_LOMD_00001345_STR-EWAHR sy-vline 
WA_LOMD_00001345_STR-EKGRP sy-vline 
WA_LOMD_00001345_STR-LIFZT sy-vline 
WA_LOMD_00001345_STR-LIFNR sy-vline 
WA_LOMD_00001345_STR-PREIS sy-vline 
WA_LOMD_00001345_STR-PEINH sy-vline 
WA_LOMD_00001345_STR-WAERS sy-vline 
WA_LOMD_00001345_STR-SAKTO sy-vline 
WA_LOMD_00001345_STR-ROANZ sy-vline 
WA_LOMD_00001345_STR-ROMS1 sy-vline 
WA_LOMD_00001345_STR-ROMS2 sy-vline 
WA_LOMD_00001345_STR-ROMS3 sy-vline 
WA_LOMD_00001345_STR-ROMEI sy-vline 
WA_LOMD_00001345_STR-ROMEN sy-vline 
WA_LOMD_00001345_STR-RFORM sy-vline 
WA_LOMD_00001345_STR-UPSKZ sy-vline 
WA_LOMD_00001345_STR-LTXSP sy-vline 
WA_LOMD_00001345_STR-POTX1 sy-vline 
WA_LOMD_00001345_STR-POTX2 sy-vline 
WA_LOMD_00001345_STR-OBJTY sy-vline 
WA_LOMD_00001345_STR-MATKL sy-vline 
WA_LOMD_00001345_STR-WEBAZ sy-vline 
WA_LOMD_00001345_STR-DOKAR sy-vline 
WA_LOMD_00001345_STR-DOKNR sy-vline 
WA_LOMD_00001345_STR-DOKVR sy-vline 
WA_LOMD_00001345_STR-DOKTL sy-vline 
WA_LOMD_00001345_STR-CSSTR sy-vline 
WA_LOMD_00001345_STR-CLASS sy-vline 
WA_LOMD_00001345_STR-KLART sy-vline 
WA_LOMD_00001345_STR-POTPR sy-vline 
WA_LOMD_00001345_STR-AWAKZ sy-vline 
WA_LOMD_00001345_STR-INSKZ sy-vline 
WA_LOMD_00001345_STR-VCEKZ sy-vline 
WA_LOMD_00001345_STR-VSTKZ sy-vline 
WA_LOMD_00001345_STR-VACKZ sy-vline 
WA_LOMD_00001345_STR-EKORG sy-vline 
WA_LOMD_00001345_STR-CLOBK sy-vline 
WA_LOMD_00001345_STR-CLMUL sy-vline 
WA_LOMD_00001345_STR-CLALT sy-vline 
WA_LOMD_00001345_STR-CVIEW sy-vline 
WA_LOMD_00001345_STR-KNOBJ sy-vline 
WA_LOMD_00001345_STR-LGORT sy-vline 
WA_LOMD_00001345_STR-KZKUP sy-vline 
WA_LOMD_00001345_STR-INTRM sy-vline 
WA_LOMD_00001345_STR-TPEKZ sy-vline 
WA_LOMD_00001345_STR-DSPST sy-vline 
WA_LOMD_00001345_STR-ALPST sy-vline 
WA_LOMD_00001345_STR-ALPRF sy-vline 
WA_LOMD_00001345_STR-ALPGR sy-vline 
WA_LOMD_00001345_STR-NFGRP sy-vline 
WA_LOMD_00001345_STR-NFEAG sy-vline 
WA_LOMD_00001345_STR-CLSZU sy-vline 
WA_LOMD_00001345_STR-KZCLB sy-vline 
WA_LOMD_00001345_STR-LTXSP_ISO sy-vline 
WA_LOMD_00001345_STR-NLFZV sy-vline 
WA_LOMD_00001345_STR-NLFMV sy-vline 
WA_LOMD_00001345_STR-KLASSE sy-vline 
WA_LOMD_00001345_STR-PRVBE sy-vline 
WA_LOMD_00001345_STR-ITMID sy-vline 
WA_LOMD_00001345_STR-GUIDX sy-vline 
WA_LOMD_00001345_STR-ITSOB sy-vline 
WA_LOMD_00001345_STR-RFPNT sy-vline 
WA_LOMD_00001345_STR-IDNRK_EXTERNAL sy-vline 
WA_LOMD_00001345_STR-IDNRK_VERSION sy-vline 
WA_LOMD_00001345_STR-IDNRK_GUID sy-vline 
WA_LOMD_00001345_STR-ID_COMP_EXTERNAL sy-vline 
WA_LOMD_00001345_STR-ID_COMP_VERSION sy-vline 
WA_LOMD_00001345_STR-ID_COMP_GUID sy-vline 
WA_LOMD_00001345_STR-INTRM_EXTERNAL sy-vline 
WA_LOMD_00001345_STR-INTRM_VERSION sy-vline 
WA_LOMD_00001345_STR-INTRM_GUID sy-vline 
WA_LOMD_00001345_STR-ID_COMP_LONG sy-vline 
WA_LOMD_00001345_STR-SEGMENT_VALUE sy-vline 
WA_LOMD_00001345_STR-CRITICAL_COMP_INDICATOR sy-vline 
WA_LOMD_00001345_STR-CRITICAL_LEVEL sy-vline 
WA_LOMD_00001345_STR-E1CUKBM sy-vline 
WA_LOMD_00001345_STR-E1SPOTH sy-vline 
WA_LOMD_00001345_STR-MSGFN sy-vline 
WA_LOMD_00001345_STR-TDNAME sy-vline 
WA_LOMD_00001345_STR-TDID sy-vline 
WA_LOMD_00001345_STR-TDSPRAS sy-vline 
WA_LOMD_00001345_STR-TDSPRAS_ISO sy-vline 
WA_LOMD_00001345_STR-E1SPOTL sy-vline 
WA_LOMD_00001345_STR-E1STPUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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