ABAP Select data from SAP table APRODPLNTCOSTNG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM APRODPLNTCOSTNG
*  INTO TABLE @DATA(IT_APRODPLNTCOSTNG2).
*--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_APRODPLNTCOSTNG INDEX 1 INTO DATA(WA_APRODPLNTCOSTNG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<APRODPLNTCOSTNG>-MANDT = 1.
<APRODPLNTCOSTNG>-PRODUCT = 1.
<APRODPLNTCOSTNG>-PLANT = 1.
<APRODPLNTCOSTNG>-ISCOPRODUCT = 1.
<APRODPLNTCOSTNG>-COSTINGLOTSIZE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_APRODPLNTCOSTNG-VARIANCEKEY, sy-vline,
  WA_APRODPLNTCOSTNG-BASEUNIT, sy-vline,
  WA_APRODPLNTCOSTNG-TASKLISTGROUPCOUNTER, sy-vline,
  WA_APRODPLNTCOSTNG-TASKLISTGROUP, sy-vline,
  WA_APRODPLNTCOSTNG-TASKLISTTYPE, sy-vline,
  WA_APRODPLNTCOSTNG-COSTINGPRODUCTIONVERSION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_APRODPLNTCOSTNG 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_APRODPLNTCOSTNG 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_APRODPLNTCOSTNG INTO WA_APRODPLNTCOSTNG.


*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 PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_APRODPLNTCOSTNG-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APRODPLNTCOSTNG-PRODUCT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field SOURCEBOMALTERNATIVE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_APRODPLNTCOSTNG-SOURCEBOMALTERNATIVE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_APRODPLNTCOSTNG-SOURCEBOMALTERNATIVE.
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_APRODPLNTCOSTNG_STR, 
MANDT TYPE STRING,
PRODUCT TYPE STRING,
PLANT TYPE STRING,
ISCOPRODUCT TYPE STRING,
COSTINGLOTSIZE TYPE STRING,
VARIANCEKEY TYPE STRING,
BASEUNIT TYPE STRING,
TASKLISTGROUPCOUNTER TYPE STRING,
TASKLISTGROUP TYPE STRING,
TASKLISTTYPE TYPE STRING,
COSTINGPRODUCTIONVERSION TYPE STRING,
ISFIXEDPRICECOPRODUCT TYPE STRING,
COSTINGSPECIALPROCUREMENTTYPE TYPE STRING,
SOURCEBOMALTERNATIVE TYPE STRING,
PRODUCTBOMUSAGE TYPE STRING,
PRODUCTISCOSTINGRELEVANT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_APRODPLNTCOSTNG_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_APRODPLNTCOSTNG_STR-MANDT sy-vline 
WA_APRODPLNTCOSTNG_STR-PRODUCT sy-vline 
WA_APRODPLNTCOSTNG_STR-PLANT sy-vline 
WA_APRODPLNTCOSTNG_STR-ISCOPRODUCT sy-vline 
WA_APRODPLNTCOSTNG_STR-COSTINGLOTSIZE sy-vline 
WA_APRODPLNTCOSTNG_STR-VARIANCEKEY sy-vline 
WA_APRODPLNTCOSTNG_STR-BASEUNIT sy-vline 
WA_APRODPLNTCOSTNG_STR-TASKLISTGROUPCOUNTER sy-vline 
WA_APRODPLNTCOSTNG_STR-TASKLISTGROUP sy-vline 
WA_APRODPLNTCOSTNG_STR-TASKLISTTYPE sy-vline 
WA_APRODPLNTCOSTNG_STR-COSTINGPRODUCTIONVERSION sy-vline 
WA_APRODPLNTCOSTNG_STR-ISFIXEDPRICECOPRODUCT sy-vline 
WA_APRODPLNTCOSTNG_STR-COSTINGSPECIALPROCUREMENTTYPE sy-vline 
WA_APRODPLNTCOSTNG_STR-SOURCEBOMALTERNATIVE sy-vline 
WA_APRODPLNTCOSTNG_STR-PRODUCTBOMUSAGE sy-vline 
WA_APRODPLNTCOSTNG_STR-PRODUCTISCOSTINGRELEVANT sy-vline      INTO ld_text SEPARATED BY SPACE.

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