ABAP Select data from SAP table BW_0CS_ORDER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BW_0CS_ORDER 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 BW_0CS_ORDER. 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 BW_0CS_ORDER 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_BW_0CS_ORDER TYPE STANDARD TABLE OF BW_0CS_ORDER,
      WA_BW_0CS_ORDER TYPE BW_0CS_ORDER,
      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: <BW_0CS_ORDER> TYPE BW_0CS_ORDER.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BW_0CS_ORDER.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BW_0CS_ORDER
  INTO TABLE IT_BW_0CS_ORDER.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BW_0CS_ORDER
*  INTO TABLE @DATA(IT_BW_0CS_ORDER2).
*--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_BW_0CS_ORDER INDEX 1 INTO DATA(WA_BW_0CS_ORDER2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BW_0CS_ORDER ASSIGNING <BW_0CS_ORDER>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BW_0CS_ORDER>-MANDT = 1.
<BW_0CS_ORDER>-AUFNR = 1.
<BW_0CS_ORDER>-AUART = 1.
<BW_0CS_ORDER>-EQUNR = 1.
<BW_0CS_ORDER>-BAUTL = 1.

ENDLOOP.

LOOP AT IT_BW_0CS_ORDER INTO WA_BW_0CS_ORDER.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BW_0CS_ORDER-IWERK, sy-vline,
  WA_BW_0CS_ORDER-INGRP, sy-vline,
  WA_BW_0CS_ORDER-ARBPL, sy-vline,
  WA_BW_0CS_ORDER-WERKS, sy-vline,
  WA_BW_0CS_ORDER-KUNUM, sy-vline,
  WA_BW_0CS_ORDER-REVNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BW_0CS_ORDER 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_BW_0CS_ORDER 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_BW_0CS_ORDER INTO WA_BW_0CS_ORDER.


*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 AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BW_0CS_ORDER-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BW_0CS_ORDER-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EQUNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BW_0CS_ORDER-EQUNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BW_0CS_ORDER-EQUNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field BAUTL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_BW_0CS_ORDER-BAUTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BW_0CS_ORDER-BAUTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BW_0CS_ORDER-KUNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BW_0CS_ORDER-KUNUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_BW_0CS_ORDER-TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BW_0CS_ORDER-TPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BW_0CS_ORDER-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BW_0CS_ORDER-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BW_0CS_ORDER-ANLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BW_0CS_ORDER-ANLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ANLUN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BW_0CS_ORDER-ANLUN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BW_0CS_ORDER-ANLUN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field QMNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BW_0CS_ORDER-QMNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BW_0CS_ORDER-QMNUM.
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_BW_0CS_ORDER_STR, 
MANDT TYPE STRING,
AUFNR TYPE STRING,
AUART TYPE STRING,
EQUNR TYPE STRING,
BAUTL TYPE STRING,
IWERK TYPE STRING,
INGRP TYPE STRING,
ARBPL TYPE STRING,
WERKS TYPE STRING,
KUNUM TYPE STRING,
REVNR TYPE STRING,
ILART TYPE STRING,
TPLNR TYPE STRING,
ABCKZ TYPE STRING,
SWERK TYPE STRING,
STORT TYPE STRING,
MSGRP TYPE STRING,
BEBER TYPE STRING,
GSBER TYPE STRING,
KOKRS TYPE STRING,
KOSTL TYPE STRING,
BUKRS TYPE STRING,
ANLNR TYPE STRING,
ANLUN TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
VKGRP TYPE STRING,
VKBUR TYPE STRING,
OBJNR TYPE STRING,
ERDAT TYPE STRING,
AEDAT TYPE STRING,
QMNUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BW_0CS_ORDER_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_BW_0CS_ORDER_STR-MANDT sy-vline 
WA_BW_0CS_ORDER_STR-AUFNR sy-vline 
WA_BW_0CS_ORDER_STR-AUART sy-vline 
WA_BW_0CS_ORDER_STR-EQUNR sy-vline 
WA_BW_0CS_ORDER_STR-BAUTL sy-vline 
WA_BW_0CS_ORDER_STR-IWERK sy-vline 
WA_BW_0CS_ORDER_STR-INGRP sy-vline 
WA_BW_0CS_ORDER_STR-ARBPL sy-vline 
WA_BW_0CS_ORDER_STR-WERKS sy-vline 
WA_BW_0CS_ORDER_STR-KUNUM sy-vline 
WA_BW_0CS_ORDER_STR-REVNR sy-vline 
WA_BW_0CS_ORDER_STR-ILART sy-vline 
WA_BW_0CS_ORDER_STR-TPLNR sy-vline 
WA_BW_0CS_ORDER_STR-ABCKZ sy-vline 
WA_BW_0CS_ORDER_STR-SWERK sy-vline 
WA_BW_0CS_ORDER_STR-STORT sy-vline 
WA_BW_0CS_ORDER_STR-MSGRP sy-vline 
WA_BW_0CS_ORDER_STR-BEBER sy-vline 
WA_BW_0CS_ORDER_STR-GSBER sy-vline 
WA_BW_0CS_ORDER_STR-KOKRS sy-vline 
WA_BW_0CS_ORDER_STR-KOSTL sy-vline 
WA_BW_0CS_ORDER_STR-BUKRS sy-vline 
WA_BW_0CS_ORDER_STR-ANLNR sy-vline 
WA_BW_0CS_ORDER_STR-ANLUN sy-vline 
WA_BW_0CS_ORDER_STR-VKORG sy-vline 
WA_BW_0CS_ORDER_STR-VTWEG sy-vline 
WA_BW_0CS_ORDER_STR-SPART sy-vline 
WA_BW_0CS_ORDER_STR-VKGRP sy-vline 
WA_BW_0CS_ORDER_STR-VKBUR sy-vline 
WA_BW_0CS_ORDER_STR-OBJNR sy-vline 
WA_BW_0CS_ORDER_STR-ERDAT sy-vline 
WA_BW_0CS_ORDER_STR-AEDAT sy-vline 
WA_BW_0CS_ORDER_STR-QMNUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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