ABAP Select data from SAP table MEOUT_EORD_UPD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MEOUT_EORD_UPD
*  INTO TABLE @DATA(IT_MEOUT_EORD_UPD2).
*--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_MEOUT_EORD_UPD INDEX 1 INTO DATA(WA_MEOUT_EORD_UPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MEOUT_EORD_UPD>-MANDT = 1.
<MEOUT_EORD_UPD>-MATNR = 1.
<MEOUT_EORD_UPD>-WERKS = 1.
<MEOUT_EORD_UPD>-ZEORD = 1.
<MEOUT_EORD_UPD>-ERDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MEOUT_EORD_UPD-ERNAM, sy-vline,
  WA_MEOUT_EORD_UPD-VDATU, sy-vline,
  WA_MEOUT_EORD_UPD-BDATU, sy-vline,
  WA_MEOUT_EORD_UPD-LIFNR, sy-vline,
  WA_MEOUT_EORD_UPD-FLIFN, sy-vline,
  WA_MEOUT_EORD_UPD-EBELN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MEOUT_EORD_UPD 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_MEOUT_EORD_UPD 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_MEOUT_EORD_UPD INTO WA_MEOUT_EORD_UPD.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MEOUT_EORD_UPD-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEOUT_EORD_UPD-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field EMATN
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_MEOUT_EORD_UPD-EMATN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEOUT_EORD_UPD-EMATN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MEOUT_EORD_UPD-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEOUT_EORD_UPD-MEINS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SRM_CONTRACT_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MEOUT_EORD_UPD-SRM_CONTRACT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MEOUT_EORD_UPD-SRM_CONTRACT_ID.
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_MEOUT_EORD_UPD_STR, 
MANDT TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
ZEORD TYPE STRING,
ERDAT TYPE STRING,
ERNAM TYPE STRING,
VDATU TYPE STRING,
BDATU TYPE STRING,
LIFNR TYPE STRING,
FLIFN TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
FEBEL TYPE STRING,
RESWK TYPE STRING,
FRESW TYPE STRING,
EMATN TYPE STRING,
NOTKZ TYPE STRING,
EKORG TYPE STRING,
VRTYP TYPE STRING,
EORTP TYPE STRING,
AUTET TYPE STRING,
MEINS TYPE STRING,
LOGSY TYPE STRING,
SOBKZ TYPE STRING,
SRM_CONTRACT_ID TYPE STRING,
SRM_CONTRACT_ITM TYPE STRING,
DUMMY_EORD_INCL_EEW_PS TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
UPDKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MEOUT_EORD_UPD_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_MEOUT_EORD_UPD_STR-MANDT sy-vline 
WA_MEOUT_EORD_UPD_STR-MATNR sy-vline 
WA_MEOUT_EORD_UPD_STR-WERKS sy-vline 
WA_MEOUT_EORD_UPD_STR-ZEORD sy-vline 
WA_MEOUT_EORD_UPD_STR-ERDAT sy-vline 
WA_MEOUT_EORD_UPD_STR-ERNAM sy-vline 
WA_MEOUT_EORD_UPD_STR-VDATU sy-vline 
WA_MEOUT_EORD_UPD_STR-BDATU sy-vline 
WA_MEOUT_EORD_UPD_STR-LIFNR sy-vline 
WA_MEOUT_EORD_UPD_STR-FLIFN sy-vline 
WA_MEOUT_EORD_UPD_STR-EBELN sy-vline 
WA_MEOUT_EORD_UPD_STR-EBELP sy-vline 
WA_MEOUT_EORD_UPD_STR-FEBEL sy-vline 
WA_MEOUT_EORD_UPD_STR-RESWK sy-vline 
WA_MEOUT_EORD_UPD_STR-FRESW sy-vline 
WA_MEOUT_EORD_UPD_STR-EMATN sy-vline 
WA_MEOUT_EORD_UPD_STR-NOTKZ sy-vline 
WA_MEOUT_EORD_UPD_STR-EKORG sy-vline 
WA_MEOUT_EORD_UPD_STR-VRTYP sy-vline 
WA_MEOUT_EORD_UPD_STR-EORTP sy-vline 
WA_MEOUT_EORD_UPD_STR-AUTET sy-vline 
WA_MEOUT_EORD_UPD_STR-MEINS sy-vline 
WA_MEOUT_EORD_UPD_STR-LOGSY sy-vline 
WA_MEOUT_EORD_UPD_STR-SOBKZ sy-vline 
WA_MEOUT_EORD_UPD_STR-SRM_CONTRACT_ID sy-vline 
WA_MEOUT_EORD_UPD_STR-SRM_CONTRACT_ITM sy-vline 
WA_MEOUT_EORD_UPD_STR-DUMMY_EORD_INCL_EEW_PS sy-vline 
WA_MEOUT_EORD_UPD_STR-LASTCHANGEDATETIME sy-vline 
WA_MEOUT_EORD_UPD_STR-UPDKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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