ABAP Select data from SAP table PPC_ACT_REPROC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPC_ACT_REPROC
*  INTO TABLE @DATA(IT_PPC_ACT_REPROC2).
*--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_PPC_ACT_REPROC INDEX 1 INTO DATA(WA_PPC_ACT_REPROC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPC_ACT_REPROC>-MANDT = 1.
<PPC_ACT_REPROC>-ACCASSOBJ = 1.
<PPC_ACT_REPROC>-COUNTER = 1.
<PPC_ACT_REPROC>-AUFNR = 1.
<PPC_ACT_REPROC>-MATERIALNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPC_ACT_REPROC-PLANT, sy-vline,
  WA_PPC_ACT_REPROC-PRODVERSION, sy-vline,
  WA_PPC_ACT_REPROC-POST_DATE, sy-vline,
  WA_PPC_ACT_REPROC-RESOURCE_GUID, sy-vline,
  WA_PPC_ACT_REPROC-MODE_GUID, sy-vline,
  WA_PPC_ACT_REPROC-DURATION_VAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPC_ACT_REPROC 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_PPC_ACT_REPROC 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_PPC_ACT_REPROC INTO WA_PPC_ACT_REPROC.


*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_PPC_ACT_REPROC-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPC_ACT_REPROC-AUFNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field DURUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PPC_ACT_REPROC-DURUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PPC_ACT_REPROC-DURUNIT.
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_PPC_ACT_REPROC_STR, 
MANDT TYPE STRING,
ACCASSOBJ TYPE STRING,
COUNTER TYPE STRING,
AUFNR TYPE STRING,
MATERIALNR TYPE STRING,
PLANT TYPE STRING,
PRODVERSION TYPE STRING,
POST_DATE TYPE STRING,
RESOURCE_GUID TYPE STRING,
MODE_GUID TYPE STRING,
DURATION_VAR TYPE STRING,
DURATION_FIX TYPE STRING,
DELTA_DUR_VAR TYPE STRING,
DELTA_DUR_FIX TYPE STRING,
DURUNIT TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
MSGTY TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPC_ACT_REPROC_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_PPC_ACT_REPROC_STR-MANDT sy-vline 
WA_PPC_ACT_REPROC_STR-ACCASSOBJ sy-vline 
WA_PPC_ACT_REPROC_STR-COUNTER sy-vline 
WA_PPC_ACT_REPROC_STR-AUFNR sy-vline 
WA_PPC_ACT_REPROC_STR-MATERIALNR sy-vline 
WA_PPC_ACT_REPROC_STR-PLANT sy-vline 
WA_PPC_ACT_REPROC_STR-PRODVERSION sy-vline 
WA_PPC_ACT_REPROC_STR-POST_DATE sy-vline 
WA_PPC_ACT_REPROC_STR-RESOURCE_GUID sy-vline 
WA_PPC_ACT_REPROC_STR-MODE_GUID sy-vline 
WA_PPC_ACT_REPROC_STR-DURATION_VAR sy-vline 
WA_PPC_ACT_REPROC_STR-DURATION_FIX sy-vline 
WA_PPC_ACT_REPROC_STR-DELTA_DUR_VAR sy-vline 
WA_PPC_ACT_REPROC_STR-DELTA_DUR_FIX sy-vline 
WA_PPC_ACT_REPROC_STR-DURUNIT sy-vline 
WA_PPC_ACT_REPROC_STR-MSGID sy-vline 
WA_PPC_ACT_REPROC_STR-MSGNO sy-vline 
WA_PPC_ACT_REPROC_STR-MSGTY sy-vline 
WA_PPC_ACT_REPROC_STR-MSGV1 sy-vline 
WA_PPC_ACT_REPROC_STR-MSGV2 sy-vline 
WA_PPC_ACT_REPROC_STR-MSGV3 sy-vline 
WA_PPC_ACT_REPROC_STR-MSGV4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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