ABAP Select data from SAP table EDM_HEADINV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDM_HEADINV
*  INTO TABLE @DATA(IT_EDM_HEADINV2).
*--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_EDM_HEADINV INDEX 1 INTO DATA(WA_EDM_HEADINV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDM_HEADINV>-EXP = 1.
<EDM_HEADINV>-DK01_BSART = 1.
<EDM_HEADINV>-DK01_FKTYP = 1.
<EDM_HEADINV>-BUKRS = 1.
<EDM_HEADINV>-INVOICE_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDM_HEADINV-PUR_ORDER, sy-vline,
  WA_EDM_HEADINV-VEN_ORDER, sy-vline,
  WA_EDM_HEADINV-DEL_NOTE_NUM, sy-vline,
  WA_EDM_HEADINV-EDI_TRANS_NUM, sy-vline,
  WA_EDM_HEADINV-PARTN_RS, sy-vline,
  WA_EDM_HEADINV-PARTN_LF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDM_HEADINV 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_EDM_HEADINV 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_EDM_HEADINV INTO WA_EDM_HEADINV.


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

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

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

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

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

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

*Conversion exit EDIPV, internal->external for field RCVPFC
CALL FUNCTION 'CONVERSION_EXIT_EDIPV_OUTPUT'
  EXPORTING
    input =                      WA_EDM_HEADINV-RCVPFC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EDM_HEADINV-RCVPFC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EDIPV, internal->external for field SNDPFC
CALL FUNCTION 'CONVERSION_EXIT_EDIPV_OUTPUT'
  EXPORTING
    input =                      WA_EDM_HEADINV-SNDPFC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EDM_HEADINV-SNDPFC.
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_EDM_HEADINV_STR, 
EXP TYPE STRING,
DK01_BSART TYPE STRING,
DK01_FKTYP TYPE STRING,
BUKRS TYPE STRING,
INVOICE_NUMBER TYPE STRING,
PUR_ORDER TYPE STRING,
VEN_ORDER TYPE STRING,
DEL_NOTE_NUM TYPE STRING,
EDI_TRANS_NUM TYPE STRING,
PARTN_RS TYPE STRING,
PARTN_LF TYPE STRING,
PARTN_RE TYPE STRING,
DEL_DATE TYPE STRING,
DS01_SUMME TYPE STRING,
DK01_CURCY TYPE STRING,
DK04_MWSKZ TYPE STRING,
DK04_MSATZ TYPE STRING,
ZEILE TYPE STRING,
INCO_1_PART1 TYPE STRING,
INCO_1_PART2 TYPE STRING,
INCO_2_PART1 TYPE STRING,
INCO_2_PART2 TYPE STRING,
INCO_3_PART1 TYPE STRING,
INCO_3_PART2 TYPE STRING,
DK18_TAGE_1 TYPE STRING,
DK18_TAGE_2 TYPE STRING,
DK18_TAGE_3 TYPE STRING,
DK18_PRZNT_1 TYPE STRING,
DK18_PRZNT_2 TYPE STRING,
DK18_ZTERM_TXT_1 TYPE STRING,
DK18_ZTERM_TXT_2 TYPE STRING,
DK18_ZTERM_TXT_3 TYPE STRING,
DK18_ZTERM_TXT_5 TYPE STRING,
ICON_AMPEL TYPE STRING,
BOX TYPE STRING,
ICON_TEXT TYPE STRING,
ICON_DELE TYPE STRING,
ICON_ERL TYPE STRING,
ICON_BLITZ TYPE STRING,
ICON_CASH TYPE STRING,
ICON_INCOM TYPE STRING,
STAMID TYPE STRING,
STAMNO TYPE STRING,
MESSTXT TYPE STRING,
MANDT TYPE STRING,
DOCNUM TYPE STRING,
DOCREL TYPE STRING,
STATUS TYPE STRING,
DOCTYP TYPE STRING,
DIRECT TYPE STRING,
RCVPOR TYPE STRING,
RCVPRT TYPE STRING,
RCVPRN TYPE STRING,
RCVSAD TYPE STRING,
RCVSMN TYPE STRING,
RCVSNA TYPE STRING,
RCVSCA TYPE STRING,
RCVSDF TYPE STRING,
RCVSLF TYPE STRING,
RCVLAD TYPE STRING,
STD TYPE STRING,
STDVRS TYPE STRING,
STDMES TYPE STRING,
MESCOD TYPE STRING,
MESFCT TYPE STRING,
OUTMOD TYPE STRING,
TEST TYPE STRING,
SNDPOR TYPE STRING,
SNDPRT TYPE STRING,
SNDPRN TYPE STRING,
SNDSAD TYPE STRING,
SNDSMN TYPE STRING,
SNDSNA TYPE STRING,
SNDSCA TYPE STRING,
SNDSDF TYPE STRING,
SNDSLF TYPE STRING,
SNDLAD TYPE STRING,
REFINT TYPE STRING,
REFGRP TYPE STRING,
REFMES TYPE STRING,
ARCKEY TYPE STRING,
CREDAT TYPE STRING,
CRETIM TYPE STRING,
MESTYP TYPE STRING,
IDOCTP TYPE STRING,
CIMTYP TYPE STRING,
RCVPFC TYPE STRING,
SNDPFC TYPE STRING,
SERIAL TYPE STRING,
EXPRSS TYPE STRING,
UPDDAT TYPE STRING,
UPDTIM TYPE STRING,
MAXSEGNUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDM_HEADINV_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_EDM_HEADINV_STR-EXP sy-vline 
WA_EDM_HEADINV_STR-DK01_BSART sy-vline 
WA_EDM_HEADINV_STR-DK01_FKTYP sy-vline 
WA_EDM_HEADINV_STR-BUKRS sy-vline 
WA_EDM_HEADINV_STR-INVOICE_NUMBER sy-vline 
WA_EDM_HEADINV_STR-PUR_ORDER sy-vline 
WA_EDM_HEADINV_STR-VEN_ORDER sy-vline 
WA_EDM_HEADINV_STR-DEL_NOTE_NUM sy-vline 
WA_EDM_HEADINV_STR-EDI_TRANS_NUM sy-vline 
WA_EDM_HEADINV_STR-PARTN_RS sy-vline 
WA_EDM_HEADINV_STR-PARTN_LF sy-vline 
WA_EDM_HEADINV_STR-PARTN_RE sy-vline 
WA_EDM_HEADINV_STR-DEL_DATE sy-vline 
WA_EDM_HEADINV_STR-DS01_SUMME sy-vline 
WA_EDM_HEADINV_STR-DK01_CURCY sy-vline 
WA_EDM_HEADINV_STR-DK04_MWSKZ sy-vline 
WA_EDM_HEADINV_STR-DK04_MSATZ sy-vline 
WA_EDM_HEADINV_STR-ZEILE sy-vline 
WA_EDM_HEADINV_STR-INCO_1_PART1 sy-vline 
WA_EDM_HEADINV_STR-INCO_1_PART2 sy-vline 
WA_EDM_HEADINV_STR-INCO_2_PART1 sy-vline 
WA_EDM_HEADINV_STR-INCO_2_PART2 sy-vline 
WA_EDM_HEADINV_STR-INCO_3_PART1 sy-vline 
WA_EDM_HEADINV_STR-INCO_3_PART2 sy-vline 
WA_EDM_HEADINV_STR-DK18_TAGE_1 sy-vline 
WA_EDM_HEADINV_STR-DK18_TAGE_2 sy-vline 
WA_EDM_HEADINV_STR-DK18_TAGE_3 sy-vline 
WA_EDM_HEADINV_STR-DK18_PRZNT_1 sy-vline 
WA_EDM_HEADINV_STR-DK18_PRZNT_2 sy-vline 
WA_EDM_HEADINV_STR-DK18_ZTERM_TXT_1 sy-vline 
WA_EDM_HEADINV_STR-DK18_ZTERM_TXT_2 sy-vline 
WA_EDM_HEADINV_STR-DK18_ZTERM_TXT_3 sy-vline 
WA_EDM_HEADINV_STR-DK18_ZTERM_TXT_5 sy-vline 
WA_EDM_HEADINV_STR-ICON_AMPEL sy-vline 
WA_EDM_HEADINV_STR-BOX sy-vline 
WA_EDM_HEADINV_STR-ICON_TEXT sy-vline 
WA_EDM_HEADINV_STR-ICON_DELE sy-vline 
WA_EDM_HEADINV_STR-ICON_ERL sy-vline 
WA_EDM_HEADINV_STR-ICON_BLITZ sy-vline 
WA_EDM_HEADINV_STR-ICON_CASH sy-vline 
WA_EDM_HEADINV_STR-ICON_INCOM sy-vline 
WA_EDM_HEADINV_STR-STAMID sy-vline 
WA_EDM_HEADINV_STR-STAMNO sy-vline 
WA_EDM_HEADINV_STR-MESSTXT sy-vline 
WA_EDM_HEADINV_STR-MANDT sy-vline 
WA_EDM_HEADINV_STR-DOCNUM sy-vline 
WA_EDM_HEADINV_STR-DOCREL sy-vline 
WA_EDM_HEADINV_STR-STATUS sy-vline 
WA_EDM_HEADINV_STR-DOCTYP sy-vline 
WA_EDM_HEADINV_STR-DIRECT sy-vline 
WA_EDM_HEADINV_STR-RCVPOR sy-vline 
WA_EDM_HEADINV_STR-RCVPRT sy-vline 
WA_EDM_HEADINV_STR-RCVPRN sy-vline 
WA_EDM_HEADINV_STR-RCVSAD sy-vline 
WA_EDM_HEADINV_STR-RCVSMN sy-vline 
WA_EDM_HEADINV_STR-RCVSNA sy-vline 
WA_EDM_HEADINV_STR-RCVSCA sy-vline 
WA_EDM_HEADINV_STR-RCVSDF sy-vline 
WA_EDM_HEADINV_STR-RCVSLF sy-vline 
WA_EDM_HEADINV_STR-RCVLAD sy-vline 
WA_EDM_HEADINV_STR-STD sy-vline 
WA_EDM_HEADINV_STR-STDVRS sy-vline 
WA_EDM_HEADINV_STR-STDMES sy-vline 
WA_EDM_HEADINV_STR-MESCOD sy-vline 
WA_EDM_HEADINV_STR-MESFCT sy-vline 
WA_EDM_HEADINV_STR-OUTMOD sy-vline 
WA_EDM_HEADINV_STR-TEST sy-vline 
WA_EDM_HEADINV_STR-SNDPOR sy-vline 
WA_EDM_HEADINV_STR-SNDPRT sy-vline 
WA_EDM_HEADINV_STR-SNDPRN sy-vline 
WA_EDM_HEADINV_STR-SNDSAD sy-vline 
WA_EDM_HEADINV_STR-SNDSMN sy-vline 
WA_EDM_HEADINV_STR-SNDSNA sy-vline 
WA_EDM_HEADINV_STR-SNDSCA sy-vline 
WA_EDM_HEADINV_STR-SNDSDF sy-vline 
WA_EDM_HEADINV_STR-SNDSLF sy-vline 
WA_EDM_HEADINV_STR-SNDLAD sy-vline 
WA_EDM_HEADINV_STR-REFINT sy-vline 
WA_EDM_HEADINV_STR-REFGRP sy-vline 
WA_EDM_HEADINV_STR-REFMES sy-vline 
WA_EDM_HEADINV_STR-ARCKEY sy-vline 
WA_EDM_HEADINV_STR-CREDAT sy-vline 
WA_EDM_HEADINV_STR-CRETIM sy-vline 
WA_EDM_HEADINV_STR-MESTYP sy-vline 
WA_EDM_HEADINV_STR-IDOCTP sy-vline 
WA_EDM_HEADINV_STR-CIMTYP sy-vline 
WA_EDM_HEADINV_STR-RCVPFC sy-vline 
WA_EDM_HEADINV_STR-SNDPFC sy-vline 
WA_EDM_HEADINV_STR-SERIAL sy-vline 
WA_EDM_HEADINV_STR-EXPRSS sy-vline 
WA_EDM_HEADINV_STR-UPDDAT sy-vline 
WA_EDM_HEADINV_STR-UPDTIM sy-vline 
WA_EDM_HEADINV_STR-MAXSEGNUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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