ABAP Select data from SAP table EDEX_IDOCDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDEX_IDOCDATA
*  INTO TABLE @DATA(IT_EDEX_IDOCDATA2).
*--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_EDEX_IDOCDATA INDEX 1 INTO DATA(WA_EDEX_IDOCDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDEX_IDOCDATA>-CONTROL = 1.
<EDEX_IDOCDATA>-MANDT = 1.
<EDEX_IDOCDATA>-DOCNUM = 1.
<EDEX_IDOCDATA>-DOCREL = 1.
<EDEX_IDOCDATA>-STATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDEX_IDOCDATA-DOCTYP, sy-vline,
  WA_EDEX_IDOCDATA-DIRECT, sy-vline,
  WA_EDEX_IDOCDATA-RCVPOR, sy-vline,
  WA_EDEX_IDOCDATA-RCVPRT, sy-vline,
  WA_EDEX_IDOCDATA-RCVPRN, sy-vline,
  WA_EDEX_IDOCDATA-RCVSAD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDEX_IDOCDATA 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_EDEX_IDOCDATA 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_EDEX_IDOCDATA INTO WA_EDEX_IDOCDATA.


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

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

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

*Conversion exit EDIPV, internal->external for field SNDPFC
CALL FUNCTION 'CONVERSION_EXIT_EDIPV_OUTPUT'
  EXPORTING
    input =                      WA_EDEX_IDOCDATA-SNDPFC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EDEX_IDOCDATA-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_EDEX_IDOCDATA_STR, 
CONTROL 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,
DATA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDEX_IDOCDATA_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_EDEX_IDOCDATA_STR-CONTROL sy-vline 
WA_EDEX_IDOCDATA_STR-MANDT sy-vline 
WA_EDEX_IDOCDATA_STR-DOCNUM sy-vline 
WA_EDEX_IDOCDATA_STR-DOCREL sy-vline 
WA_EDEX_IDOCDATA_STR-STATUS sy-vline 
WA_EDEX_IDOCDATA_STR-DOCTYP sy-vline 
WA_EDEX_IDOCDATA_STR-DIRECT sy-vline 
WA_EDEX_IDOCDATA_STR-RCVPOR sy-vline 
WA_EDEX_IDOCDATA_STR-RCVPRT sy-vline 
WA_EDEX_IDOCDATA_STR-RCVPRN sy-vline 
WA_EDEX_IDOCDATA_STR-RCVSAD sy-vline 
WA_EDEX_IDOCDATA_STR-RCVSMN sy-vline 
WA_EDEX_IDOCDATA_STR-RCVSNA sy-vline 
WA_EDEX_IDOCDATA_STR-RCVSCA sy-vline 
WA_EDEX_IDOCDATA_STR-RCVSDF sy-vline 
WA_EDEX_IDOCDATA_STR-RCVSLF sy-vline 
WA_EDEX_IDOCDATA_STR-RCVLAD sy-vline 
WA_EDEX_IDOCDATA_STR-STD sy-vline 
WA_EDEX_IDOCDATA_STR-STDVRS sy-vline 
WA_EDEX_IDOCDATA_STR-STDMES sy-vline 
WA_EDEX_IDOCDATA_STR-MESCOD sy-vline 
WA_EDEX_IDOCDATA_STR-MESFCT sy-vline 
WA_EDEX_IDOCDATA_STR-OUTMOD sy-vline 
WA_EDEX_IDOCDATA_STR-TEST sy-vline 
WA_EDEX_IDOCDATA_STR-SNDPOR sy-vline 
WA_EDEX_IDOCDATA_STR-SNDPRT sy-vline 
WA_EDEX_IDOCDATA_STR-SNDPRN sy-vline 
WA_EDEX_IDOCDATA_STR-SNDSAD sy-vline 
WA_EDEX_IDOCDATA_STR-SNDSMN sy-vline 
WA_EDEX_IDOCDATA_STR-SNDSNA sy-vline 
WA_EDEX_IDOCDATA_STR-SNDSCA sy-vline 
WA_EDEX_IDOCDATA_STR-SNDSDF sy-vline 
WA_EDEX_IDOCDATA_STR-SNDSLF sy-vline 
WA_EDEX_IDOCDATA_STR-SNDLAD sy-vline 
WA_EDEX_IDOCDATA_STR-REFINT sy-vline 
WA_EDEX_IDOCDATA_STR-REFGRP sy-vline 
WA_EDEX_IDOCDATA_STR-REFMES sy-vline 
WA_EDEX_IDOCDATA_STR-ARCKEY sy-vline 
WA_EDEX_IDOCDATA_STR-CREDAT sy-vline 
WA_EDEX_IDOCDATA_STR-CRETIM sy-vline 
WA_EDEX_IDOCDATA_STR-MESTYP sy-vline 
WA_EDEX_IDOCDATA_STR-IDOCTP sy-vline 
WA_EDEX_IDOCDATA_STR-CIMTYP sy-vline 
WA_EDEX_IDOCDATA_STR-RCVPFC sy-vline 
WA_EDEX_IDOCDATA_STR-SNDPFC sy-vline 
WA_EDEX_IDOCDATA_STR-SERIAL sy-vline 
WA_EDEX_IDOCDATA_STR-EXPRSS sy-vline 
WA_EDEX_IDOCDATA_STR-UPDDAT sy-vline 
WA_EDEX_IDOCDATA_STR-UPDTIM sy-vline 
WA_EDEX_IDOCDATA_STR-MAXSEGNUM sy-vline 
WA_EDEX_IDOCDATA_STR-DATA sy-vline      INTO ld_text SEPARATED BY SPACE.

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