ABAP Select data from SAP table OIB_MIG_SUM_V into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OIB_MIG_SUM_V
*  INTO TABLE @DATA(IT_OIB_MIG_SUM_V2).
*--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_OIB_MIG_SUM_V INDEX 1 INTO DATA(WA_OIB_MIG_SUM_V2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OIB_MIG_SUM_V>-MANDT = 1.
<OIB_MIG_SUM_V>-MATNR = 1.
<OIB_MIG_SUM_V>-WERKS = 1.
<OIB_MIG_SUM_V>-LGORT = 1.
<OIB_MIG_SUM_V>-CHARG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OIB_MIG_SUM_V-LIFNR, sy-vline,
  WA_OIB_MIG_SUM_V-VBELN, sy-vline,
  WA_OIB_MIG_SUM_V-POSNR, sy-vline,
  WA_OIB_MIG_SUM_V-PSPNR, sy-vline,
  WA_OIB_MIG_SUM_V-KUNNR, sy-vline,
  WA_OIB_MIG_SUM_V-SOBKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OIB_MIG_SUM_V 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_OIB_MIG_SUM_V 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_OIB_MIG_SUM_V INTO WA_OIB_MIG_SUM_V.


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

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

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

*Conversion exit ABPSP, internal->external for field PSPNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_OIB_MIG_SUM_V-PSPNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_MIG_SUM_V-PSPNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit PERI7, internal->external for field GJPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_OIB_MIG_SUM_V-GJPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OIB_MIG_SUM_V-GJPER.
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_OIB_MIG_SUM_V_STR, 
MANDT TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
CHARG TYPE STRING,
LIFNR TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
PSPNR TYPE STRING,
KUNNR TYPE STRING,
SOBKZ TYPE STRING,
LBBSA TYPE STRING,
MSEHI TYPE STRING,
GJPER TYPE STRING,
BUDAT TYPE STRING,
MENGU TYPE STRING,
WERTU TYPE STRING,
STOCK_QTY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OIB_MIG_SUM_V_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_OIB_MIG_SUM_V_STR-MANDT sy-vline 
WA_OIB_MIG_SUM_V_STR-MATNR sy-vline 
WA_OIB_MIG_SUM_V_STR-WERKS sy-vline 
WA_OIB_MIG_SUM_V_STR-LGORT sy-vline 
WA_OIB_MIG_SUM_V_STR-CHARG sy-vline 
WA_OIB_MIG_SUM_V_STR-LIFNR sy-vline 
WA_OIB_MIG_SUM_V_STR-VBELN sy-vline 
WA_OIB_MIG_SUM_V_STR-POSNR sy-vline 
WA_OIB_MIG_SUM_V_STR-PSPNR sy-vline 
WA_OIB_MIG_SUM_V_STR-KUNNR sy-vline 
WA_OIB_MIG_SUM_V_STR-SOBKZ sy-vline 
WA_OIB_MIG_SUM_V_STR-LBBSA sy-vline 
WA_OIB_MIG_SUM_V_STR-MSEHI sy-vline 
WA_OIB_MIG_SUM_V_STR-GJPER sy-vline 
WA_OIB_MIG_SUM_V_STR-BUDAT sy-vline 
WA_OIB_MIG_SUM_V_STR-MENGU sy-vline 
WA_OIB_MIG_SUM_V_STR-WERTU sy-vline 
WA_OIB_MIG_SUM_V_STR-STOCK_QTY sy-vline      INTO ld_text SEPARATED BY SPACE.

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