ABAP Select data from SAP table DOCUBATCH_DATA_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DOCUBATCH_DATA_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 DOCUBATCH_DATA_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 DOCUBATCH_DATA_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_DOCUBATCH_DATA_S TYPE STANDARD TABLE OF DOCUBATCH_DATA_S,
      WA_DOCUBATCH_DATA_S TYPE DOCUBATCH_DATA_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: <DOCUBATCH_DATA_S> TYPE DOCUBATCH_DATA_S.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DOCUBATCH_DATA_S
*  INTO TABLE @DATA(IT_DOCUBATCH_DATA_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_DOCUBATCH_DATA_S INDEX 1 INTO DATA(WA_DOCUBATCH_DATA_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DOCUBATCH_DATA_S>-APPLICATION_ID = 1.
<DOCUBATCH_DATA_S>-KEY = 1.
<DOCUBATCH_DATA_S>-MATNR = 1.
<DOCUBATCH_DATA_S>-WERKS = 1.
<DOCUBATCH_DATA_S>-QUANTITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DOCUBATCH_DATA_S-UOM, sy-vline,
  WA_DOCUBATCH_DATA_S-T_DOCUBATCHES, sy-vline,
  WA_DOCUBATCH_DATA_S-PRELOAD_DONE, sy-vline,
  WA_DOCUBATCH_DATA_S-EBELN, sy-vline,
  WA_DOCUBATCH_DATA_S-EBELP, sy-vline,
  WA_DOCUBATCH_DATA_S-AUFNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DOCUBATCH_DATA_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_DOCUBATCH_DATA_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_DOCUBATCH_DATA_S INTO WA_DOCUBATCH_DATA_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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_DOCUBATCH_DATA_S-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DOCUBATCH_DATA_S-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field WEBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DOCUBATCH_DATA_S-WEBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DOCUBATCH_DATA_S-WEBLNR.
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_DOCUBATCH_DATA_S_STR, 
APPLICATION_ID TYPE STRING,
KEY TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
QUANTITY TYPE STRING,
UOM TYPE STRING,
T_DOCUBATCHES TYPE STRING,
PRELOAD_DONE TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
AUFNR TYPE STRING,
AUFPS TYPE STRING,
RSNUM TYPE STRING,
RSPOS TYPE STRING,
RSART TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
WEBLNR TYPE STRING,
WEBLPOS TYPE STRING,
LGNUM TYPE STRING,
TANUM TYPE STRING,
TAPOS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DOCUBATCH_DATA_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_DOCUBATCH_DATA_S_STR-APPLICATION_ID sy-vline 
WA_DOCUBATCH_DATA_S_STR-KEY sy-vline 
WA_DOCUBATCH_DATA_S_STR-MATNR sy-vline 
WA_DOCUBATCH_DATA_S_STR-WERKS sy-vline 
WA_DOCUBATCH_DATA_S_STR-QUANTITY sy-vline 
WA_DOCUBATCH_DATA_S_STR-UOM sy-vline 
WA_DOCUBATCH_DATA_S_STR-T_DOCUBATCHES sy-vline 
WA_DOCUBATCH_DATA_S_STR-PRELOAD_DONE sy-vline 
WA_DOCUBATCH_DATA_S_STR-EBELN sy-vline 
WA_DOCUBATCH_DATA_S_STR-EBELP sy-vline 
WA_DOCUBATCH_DATA_S_STR-AUFNR sy-vline 
WA_DOCUBATCH_DATA_S_STR-AUFPS sy-vline 
WA_DOCUBATCH_DATA_S_STR-RSNUM sy-vline 
WA_DOCUBATCH_DATA_S_STR-RSPOS sy-vline 
WA_DOCUBATCH_DATA_S_STR-RSART sy-vline 
WA_DOCUBATCH_DATA_S_STR-VBELN sy-vline 
WA_DOCUBATCH_DATA_S_STR-POSNR sy-vline 
WA_DOCUBATCH_DATA_S_STR-WEBLNR sy-vline 
WA_DOCUBATCH_DATA_S_STR-WEBLPOS sy-vline 
WA_DOCUBATCH_DATA_S_STR-LGNUM sy-vline 
WA_DOCUBATCH_DATA_S_STR-TANUM sy-vline 
WA_DOCUBATCH_DATA_S_STR-TAPOS sy-vline      INTO ld_text SEPARATED BY SPACE.

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