ABAP Select data from SAP table OI0BW_OIAQS_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP OI0BW_OIAQS_S 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 OI0BW_OIAQS_S. 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 OI0BW_OIAQS_S 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_OI0BW_OIAQS_S TYPE STANDARD TABLE OF OI0BW_OIAQS_S,
      WA_OI0BW_OIAQS_S TYPE OI0BW_OIAQS_S,
      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: <OI0BW_OIAQS_S> TYPE OI0BW_OIAQS_S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_OI0BW_OIAQS_S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM OI0BW_OIAQS_S
  INTO TABLE IT_OI0BW_OIAQS_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM OI0BW_OIAQS_S
*  INTO TABLE @DATA(IT_OI0BW_OIAQS_S2).
*--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_OI0BW_OIAQS_S INDEX 1 INTO DATA(WA_OI0BW_OIAQS_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_OI0BW_OIAQS_S ASSIGNING <OI0BW_OIAQS_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<OI0BW_OIAQS_S>-BUKRS = 1.
<OI0BW_OIAQS_S>-OIEXGNUM = 1.
<OI0BW_OIAQS_S>-VBELN = 1.
<OI0BW_OIAQS_S>-POSNR = 1.
<OI0BW_OIAQS_S>-EBELN = 1.

ENDLOOP.

LOOP AT IT_OI0BW_OIAQS_S INTO WA_OI0BW_OIAQS_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_OI0BW_OIAQS_S-EBELP, sy-vline,
  WA_OI0BW_OIAQS_S-SUBITM, sy-vline,
  WA_OI0BW_OIAQS_S-SEQENT, sy-vline,
  WA_OI0BW_OIAQS_S-CIND, sy-vline,
  WA_OI0BW_OIAQS_S-MATNR, sy-vline,
  WA_OI0BW_OIAQS_S-WERKS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_OI0BW_OIAQS_S 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_OI0BW_OIAQS_S 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_OI0BW_OIAQS_S INTO WA_OI0BW_OIAQS_S.


*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 OIEXGNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OI0BW_OIAQS_S-OIEXGNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OI0BW_OIAQS_S-OIEXGNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OI0BW_OIAQS_S-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OI0BW_OIAQS_S-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_OI0BW_OIAQS_S-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OI0BW_OIAQS_S-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_OI0BW_OIAQS_S-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OI0BW_OIAQS_S-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_OI0BW_OIAQS_S-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_OI0BW_OIAQS_S-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_OI0BW_OIAQS_S_STR, 
BUKRS TYPE STRING,
OIEXGNUM TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
SUBITM TYPE STRING,
SEQENT TYPE STRING,
CIND TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
SCHDDT TYPE STRING,
SMENGE TYPE STRING,
INTQTY TYPE STRING,
RECQTY TYPE STRING,
MEINS TYPE STRING,
ENTLU TYPE STRING,
SPLIT TYPE STRING,
MOD TYPE STRING,
OIPRIOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_OI0BW_OIAQS_S_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_OI0BW_OIAQS_S_STR-BUKRS sy-vline 
WA_OI0BW_OIAQS_S_STR-OIEXGNUM sy-vline 
WA_OI0BW_OIAQS_S_STR-VBELN sy-vline 
WA_OI0BW_OIAQS_S_STR-POSNR sy-vline 
WA_OI0BW_OIAQS_S_STR-EBELN sy-vline 
WA_OI0BW_OIAQS_S_STR-EBELP sy-vline 
WA_OI0BW_OIAQS_S_STR-SUBITM sy-vline 
WA_OI0BW_OIAQS_S_STR-SEQENT sy-vline 
WA_OI0BW_OIAQS_S_STR-CIND sy-vline 
WA_OI0BW_OIAQS_S_STR-MATNR sy-vline 
WA_OI0BW_OIAQS_S_STR-WERKS sy-vline 
WA_OI0BW_OIAQS_S_STR-SCHDDT sy-vline 
WA_OI0BW_OIAQS_S_STR-SMENGE sy-vline 
WA_OI0BW_OIAQS_S_STR-INTQTY sy-vline 
WA_OI0BW_OIAQS_S_STR-RECQTY sy-vline 
WA_OI0BW_OIAQS_S_STR-MEINS sy-vline 
WA_OI0BW_OIAQS_S_STR-ENTLU sy-vline 
WA_OI0BW_OIAQS_S_STR-SPLIT sy-vline 
WA_OI0BW_OIAQS_S_STR-MOD sy-vline 
WA_OI0BW_OIAQS_S_STR-OIPRIOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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