ABAP Select data from SAP table MB5OA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP MB5OA 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 MB5OA. 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 MB5OA 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_MB5OA TYPE STANDARD TABLE OF MB5OA,
      WA_MB5OA TYPE MB5OA,
      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: <MB5OA> TYPE MB5OA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_MB5OA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM MB5OA
  INTO TABLE IT_MB5OA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MB5OA
*  INTO TABLE @DATA(IT_MB5OA2).
*--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_MB5OA INDEX 1 INTO DATA(WA_MB5OA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_MB5OA ASSIGNING <MB5OA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MB5OA>-MATNR = 1.
<MB5OA>-WERKS = 1.
<MB5OA>-EBELN = 1.
<MB5OA>-EBELP = 1.
<MB5OA>-LOEKZ = 1.

ENDLOOP.

LOOP AT IT_MB5OA INTO WA_MB5OA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MB5OA-ELIKZ, sy-vline,
  WA_MB5OA-KNTTP, sy-vline,
  WA_MB5OA-BSTMG, sy-vline,
  WA_MB5OA-BSTME, sy-vline,
  WA_MB5OA-BPRME, sy-vline,
  WA_MB5OA-EKPO_WEORA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MB5OA 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_MB5OA 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_MB5OA INTO WA_MB5OA.


*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_MB5OA-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MB5OA-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MB5OA-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MB5OA-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BSTME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MB5OA-BSTME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MB5OA-BSTME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BPRME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MB5OA-BPRME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MB5OA-BPRME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MB5OA-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MB5OA-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MB5OA-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MB5OA-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field /CWM/MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MB5OA-/CWM/MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MB5OA-/CWM/MEINS.
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_MB5OA_STR, 
MATNR TYPE STRING,
WERKS TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
LOEKZ TYPE STRING,
ELIKZ TYPE STRING,
KNTTP TYPE STRING,
BSTMG TYPE STRING,
BSTME TYPE STRING,
BPRME TYPE STRING,
EKPO_WEORA TYPE STRING,
BSTYP TYPE STRING,
LIFNR TYPE STRING,
EKGRP TYPE STRING,
EKORG TYPE STRING,
WEBRE TYPE STRING,
BWESB TYPE STRING,
MEINS TYPE STRING,
EKBE_WEORA TYPE STRING,
WESBB_107_WEORA TYPE STRING,
WESBB_109_WEORA TYPE STRING,
WESBB_107 TYPE STRING,
WESBB_109 TYPE STRING,
WESBB_BLOCKED TYPE STRING,
TRANSFER_BSTME TYPE STRING,
BPWEB_107_WEORA TYPE STRING,
BPWEB_109_WEORA TYPE STRING,
BPWEB_107 TYPE STRING,
BPWEB_109 TYPE STRING,
BPWEB_BLOCKED TYPE STRING,
TRANSFER_BPRME TYPE STRING,
WES_MEINS_107_WEORA TYPE STRING,
WES_MEINS_109_WEORA TYPE STRING,
WES_MEINS_107 TYPE STRING,
WES_MEINS_109 TYPE STRING,
WES_MEINS_BLOCKED TYPE STRING,
TRANSFER_MEINS TYPE STRING,
/CWM/BWESB TYPE STRING,
/CWM/WES_MEINS_107_WEORA TYPE STRING,
/CWM/WES_MEINS_109_WEORA TYPE STRING,
/CWM/WES_MEINS_107 TYPE STRING,
/CWM/WES_MEINS_109 TYPE STRING,
/CWM/WES_MEINS_BLOCKED TYPE STRING,
/CWM/TRANSFER_MEINS TYPE STRING,
/CWM/MEINS TYPE STRING,
/CWM/TY2TQ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MB5OA_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_MB5OA_STR-MATNR sy-vline 
WA_MB5OA_STR-WERKS sy-vline 
WA_MB5OA_STR-EBELN sy-vline 
WA_MB5OA_STR-EBELP sy-vline 
WA_MB5OA_STR-LOEKZ sy-vline 
WA_MB5OA_STR-ELIKZ sy-vline 
WA_MB5OA_STR-KNTTP sy-vline 
WA_MB5OA_STR-BSTMG sy-vline 
WA_MB5OA_STR-BSTME sy-vline 
WA_MB5OA_STR-BPRME sy-vline 
WA_MB5OA_STR-EKPO_WEORA sy-vline 
WA_MB5OA_STR-BSTYP sy-vline 
WA_MB5OA_STR-LIFNR sy-vline 
WA_MB5OA_STR-EKGRP sy-vline 
WA_MB5OA_STR-EKORG sy-vline 
WA_MB5OA_STR-WEBRE sy-vline 
WA_MB5OA_STR-BWESB sy-vline 
WA_MB5OA_STR-MEINS sy-vline 
WA_MB5OA_STR-EKBE_WEORA sy-vline 
WA_MB5OA_STR-WESBB_107_WEORA sy-vline 
WA_MB5OA_STR-WESBB_109_WEORA sy-vline 
WA_MB5OA_STR-WESBB_107 sy-vline 
WA_MB5OA_STR-WESBB_109 sy-vline 
WA_MB5OA_STR-WESBB_BLOCKED sy-vline 
WA_MB5OA_STR-TRANSFER_BSTME sy-vline 
WA_MB5OA_STR-BPWEB_107_WEORA sy-vline 
WA_MB5OA_STR-BPWEB_109_WEORA sy-vline 
WA_MB5OA_STR-BPWEB_107 sy-vline 
WA_MB5OA_STR-BPWEB_109 sy-vline 
WA_MB5OA_STR-BPWEB_BLOCKED sy-vline 
WA_MB5OA_STR-TRANSFER_BPRME sy-vline 
WA_MB5OA_STR-WES_MEINS_107_WEORA sy-vline 
WA_MB5OA_STR-WES_MEINS_109_WEORA sy-vline 
WA_MB5OA_STR-WES_MEINS_107 sy-vline 
WA_MB5OA_STR-WES_MEINS_109 sy-vline 
WA_MB5OA_STR-WES_MEINS_BLOCKED sy-vline 
WA_MB5OA_STR-TRANSFER_MEINS sy-vline 
WA_MB5OA_STR-/CWM/BWESB sy-vline 
WA_MB5OA_STR-/CWM/WES_MEINS_107_WEORA sy-vline 
WA_MB5OA_STR-/CWM/WES_MEINS_109_WEORA sy-vline 
WA_MB5OA_STR-/CWM/WES_MEINS_107 sy-vline 
WA_MB5OA_STR-/CWM/WES_MEINS_109 sy-vline 
WA_MB5OA_STR-/CWM/WES_MEINS_BLOCKED sy-vline 
WA_MB5OA_STR-/CWM/TRANSFER_MEINS sy-vline 
WA_MB5OA_STR-/CWM/MEINS sy-vline 
WA_MB5OA_STR-/CWM/TY2TQ sy-vline      INTO ld_text SEPARATED BY SPACE.

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