ABAP Select data from SAP table PMPESFIASSYBCKFL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMPESFIASSYBCKFL
*  INTO TABLE @DATA(IT_PMPESFIASSYBCKFL2).
*--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_PMPESFIASSYBCKFL INDEX 1 INTO DATA(WA_PMPESFIASSYBCKFL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMPESFIASSYBCKFL>-MANDT = 1.
<PMPESFIASSYBCKFL>-ASSEMBLYDOCUMENT = 1.
<PMPESFIASSYBCKFL>-ASSEMBLYDOCUMENTITEM = 1.
<PMPESFIASSYBCKFL>-ORIGLDGTLMOCKUPCHARCSUUID = 1.
<PMPESFIASSYBCKFL>-RESERVATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMPESFIASSYBCKFL-RESERVATIONITEM, sy-vline,
  WA_PMPESFIASSYBCKFL-RECORDTYPE, sy-vline,
  WA_PMPESFIASSYBCKFL-OPACTYNTWKINSTANCE, sy-vline,
  WA_PMPESFIASSYBCKFL-OPACTYNTWKELEMENT, sy-vline,
  WA_PMPESFIASSYBCKFL-ASSEMBLYSHOPFLOORITEM, sy-vline,
  WA_PMPESFIASSYBCKFL-SHOPFLOORITEM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMPESFIASSYBCKFL 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_PMPESFIASSYBCKFL 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_PMPESFIASSYBCKFL INTO WA_PMPESFIASSYBCKFL.


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

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMPESFIASSYBCKFL-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMPESFIASSYBCKFL-MATERIALBASEUNIT.
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_PMPESFIASSYBCKFL_STR, 
MANDT TYPE STRING,
ASSEMBLYDOCUMENT TYPE STRING,
ASSEMBLYDOCUMENTITEM TYPE STRING,
ORIGLDGTLMOCKUPCHARCSUUID TYPE STRING,
RESERVATION TYPE STRING,
RESERVATIONITEM TYPE STRING,
RECORDTYPE TYPE STRING,
OPACTYNTWKINSTANCE TYPE STRING,
OPACTYNTWKELEMENT TYPE STRING,
ASSEMBLYSHOPFLOORITEM TYPE STRING,
SHOPFLOORITEM TYPE STRING,
BATCH TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
INVENTORYUSABILITYCODE TYPE STRING,
DGTLMOCKUPCHARCSUUID TYPE STRING,
MFGREFSTRUCBOMLEAFASSGMTUUID TYPE STRING,
MFGREFSTRUCTUREITEMDETAILUUID TYPE STRING,
MFGREFSTRUCITMDETISCONTEXTUAL TYPE STRING,
MATERIALCOMPONENTQUANTITY TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
MATLCOMPISMARKEDFORBACKFLUSH TYPE STRING,
DEBITCREDITCODE TYPE STRING,
LEADINGRESERVATION TYPE STRING,
LEADINGRESERVATIONITEM TYPE STRING,
LEADINGRESERVATIONRECORDTYPE TYPE STRING,
LEADINGOPACTYNTWKINSTANCE TYPE STRING,
LEADINGOPACTYNTWKELEMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMPESFIASSYBCKFL_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_PMPESFIASSYBCKFL_STR-MANDT sy-vline 
WA_PMPESFIASSYBCKFL_STR-ASSEMBLYDOCUMENT sy-vline 
WA_PMPESFIASSYBCKFL_STR-ASSEMBLYDOCUMENTITEM sy-vline 
WA_PMPESFIASSYBCKFL_STR-ORIGLDGTLMOCKUPCHARCSUUID sy-vline 
WA_PMPESFIASSYBCKFL_STR-RESERVATION sy-vline 
WA_PMPESFIASSYBCKFL_STR-RESERVATIONITEM sy-vline 
WA_PMPESFIASSYBCKFL_STR-RECORDTYPE sy-vline 
WA_PMPESFIASSYBCKFL_STR-OPACTYNTWKINSTANCE sy-vline 
WA_PMPESFIASSYBCKFL_STR-OPACTYNTWKELEMENT sy-vline 
WA_PMPESFIASSYBCKFL_STR-ASSEMBLYSHOPFLOORITEM sy-vline 
WA_PMPESFIASSYBCKFL_STR-SHOPFLOORITEM sy-vline 
WA_PMPESFIASSYBCKFL_STR-BATCH sy-vline 
WA_PMPESFIASSYBCKFL_STR-MATERIAL sy-vline 
WA_PMPESFIASSYBCKFL_STR-PLANT sy-vline 
WA_PMPESFIASSYBCKFL_STR-STORAGELOCATION sy-vline 
WA_PMPESFIASSYBCKFL_STR-INVENTORYUSABILITYCODE sy-vline 
WA_PMPESFIASSYBCKFL_STR-DGTLMOCKUPCHARCSUUID sy-vline 
WA_PMPESFIASSYBCKFL_STR-MFGREFSTRUCBOMLEAFASSGMTUUID sy-vline 
WA_PMPESFIASSYBCKFL_STR-MFGREFSTRUCTUREITEMDETAILUUID sy-vline 
WA_PMPESFIASSYBCKFL_STR-MFGREFSTRUCITMDETISCONTEXTUAL sy-vline 
WA_PMPESFIASSYBCKFL_STR-MATERIALCOMPONENTQUANTITY sy-vline 
WA_PMPESFIASSYBCKFL_STR-MATERIALBASEUNIT sy-vline 
WA_PMPESFIASSYBCKFL_STR-MATLCOMPISMARKEDFORBACKFLUSH sy-vline 
WA_PMPESFIASSYBCKFL_STR-DEBITCREDITCODE sy-vline 
WA_PMPESFIASSYBCKFL_STR-LEADINGRESERVATION sy-vline 
WA_PMPESFIASSYBCKFL_STR-LEADINGRESERVATIONITEM sy-vline 
WA_PMPESFIASSYBCKFL_STR-LEADINGRESERVATIONRECORDTYPE sy-vline 
WA_PMPESFIASSYBCKFL_STR-LEADINGOPACTYNTWKINSTANCE sy-vline 
WA_PMPESFIASSYBCKFL_STR-LEADINGOPACTYNTWKELEMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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