ABAP Select data from SAP table BAPI_PP_ORDER_CHANGE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_PP_ORDER_CHANGE
*  INTO TABLE @DATA(IT_BAPI_PP_ORDER_CHANGE2).
*--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_BAPI_PP_ORDER_CHANGE INDEX 1 INTO DATA(WA_BAPI_PP_ORDER_CHANGE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_PP_ORDER_CHANGE>-BASIC_START_DATE = 1.
<BAPI_PP_ORDER_CHANGE>-BASIC_START_TIME = 1.
<BAPI_PP_ORDER_CHANGE>-BASIC_END_DATE = 1.
<BAPI_PP_ORDER_CHANGE>-BASIC_END_TIME = 1.
<BAPI_PP_ORDER_CHANGE>-QUANTITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_PP_ORDER_CHANGE-SCRAP_QUANTITY, sy-vline,
  WA_BAPI_PP_ORDER_CHANGE-QUANTITY_UOM, sy-vline,
  WA_BAPI_PP_ORDER_CHANGE-ROUTING_TYPE, sy-vline,
  WA_BAPI_PP_ORDER_CHANGE-ROUTING_GROUP, sy-vline,
  WA_BAPI_PP_ORDER_CHANGE-ROUTING_COUNTER, sy-vline,
  WA_BAPI_PP_ORDER_CHANGE-PROD_VERSION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_PP_ORDER_CHANGE 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_BAPI_PP_ORDER_CHANGE 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_BAPI_PP_ORDER_CHANGE INTO WA_BAPI_PP_ORDER_CHANGE.


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

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

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

*Conversion exit ALPHA, internal->external for field PROFIT_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BAPI_PP_ORDER_CHANGE-PROFIT_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BAPI_PP_ORDER_CHANGE-PROFIT_CENTER.
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_BAPI_PP_ORDER_CHANGE_STR, 
BASIC_START_DATE TYPE STRING,
BASIC_START_TIME TYPE STRING,
BASIC_END_DATE TYPE STRING,
BASIC_END_TIME TYPE STRING,
QUANTITY TYPE STRING,
SCRAP_QUANTITY TYPE STRING,
QUANTITY_UOM TYPE STRING,
ROUTING_TYPE TYPE STRING,
ROUTING_GROUP TYPE STRING,
ROUTING_COUNTER TYPE STRING,
PROD_VERSION TYPE STRING,
EXPLOSION_DATE TYPE STRING,
ORDER_PRIORITY TYPE STRING,
MRP_CONTROLLER TYPE STRING,
EXPLODE_NEW TYPE STRING,
BUSINESS_AREA TYPE STRING,
PROFIT_CENTER TYPE STRING,
SEQUENCE_NUMBER TYPE STRING,
STOCK_TYPE TYPE STRING,
GR_PROC_TIME TYPE STRING,
STORAGE_LOCATION TYPE STRING,
MRP_DISTR_KEY TYPE STRING,
GOODS_RECIPIENT TYPE STRING,
UNLOADING_POINT TYPE STRING,
POSITION_NUMBER TYPE STRING,
ADDITIONAL_DAYS TYPE STRING,
STOCK_SEGMENT TYPE STRING,
STK_SEG_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_PP_ORDER_CHANGE_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_BAPI_PP_ORDER_CHANGE_STR-BASIC_START_DATE sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-BASIC_START_TIME sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-BASIC_END_DATE sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-BASIC_END_TIME sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-QUANTITY sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-SCRAP_QUANTITY sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-QUANTITY_UOM sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-ROUTING_TYPE sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-ROUTING_GROUP sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-ROUTING_COUNTER sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-PROD_VERSION sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-EXPLOSION_DATE sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-ORDER_PRIORITY sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-MRP_CONTROLLER sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-EXPLODE_NEW sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-BUSINESS_AREA sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-PROFIT_CENTER sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-SEQUENCE_NUMBER sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-STOCK_TYPE sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-GR_PROC_TIME sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-STORAGE_LOCATION sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-MRP_DISTR_KEY sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-GOODS_RECIPIENT sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-UNLOADING_POINT sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-POSITION_NUMBER sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-ADDITIONAL_DAYS sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-STOCK_SEGMENT sy-vline 
WA_BAPI_PP_ORDER_CHANGE_STR-STK_SEG_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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