ABAP Select data from SAP table PMPESFOCMPBYLDNG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMPESFOCMPBYLDNG
*  INTO TABLE @DATA(IT_PMPESFOCMPBYLDNG2).
*--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_PMPESFOCMPBYLDNG INDEX 1 INTO DATA(WA_PMPESFOCMPBYLDNG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMPESFOCMPBYLDNG>-MANDT = 1.
<PMPESFOCMPBYLDNG>-MANUFACTURINGORDER = 1.
<PMPESFOCMPBYLDNG>-RESERVATION = 1.
<PMPESFOCMPBYLDNG>-RESERVATIONITEM = 1.
<PMPESFOCMPBYLDNG>-RECORDTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMPESFOCMPBYLDNG-OPACTYNTWKINSTANCE, sy-vline,
  WA_PMPESFOCMPBYLDNG-OPACTYNTWKELEMENT, sy-vline,
  WA_PMPESFOCMPBYLDNG-SHOPFLOORITEM, sy-vline,
  WA_PMPESFOCMPBYLDNG-BATCH, sy-vline,
  WA_PMPESFOCMPBYLDNG-MATERIAL, sy-vline,
  WA_PMPESFOCMPBYLDNG-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMPESFOCMPBYLDNG 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_PMPESFOCMPBYLDNG 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_PMPESFOCMPBYLDNG INTO WA_PMPESFOCMPBYLDNG.


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

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

*Conversion exit CUNIT, internal->external for field MATERIALBASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PMPESFOCMPBYLDNG-MATERIALBASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMPESFOCMPBYLDNG-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_PMPESFOCMPBYLDNG_STR, 
MANDT TYPE STRING,
MANUFACTURINGORDER TYPE STRING,
RESERVATION TYPE STRING,
RESERVATIONITEM TYPE STRING,
RECORDTYPE TYPE STRING,
OPACTYNTWKINSTANCE TYPE STRING,
OPACTYNTWKELEMENT TYPE STRING,
SHOPFLOORITEM TYPE STRING,
BATCH TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
DGTLMOCKUPCHARCSUUID TYPE STRING,
MFGREFSTRUCBOMLEAFASSGMTUUID TYPE STRING,
MFGREFSTRUCTUREITEMDETAILUUID TYPE STRING,
MFGREFSTRUCITMDETISCONTEXTUAL TYPE STRING,
REQUIREDQUANTITY TYPE STRING,
MATERIALCOMPONENTQUANTITY TYPE STRING,
MATERIALBASEUNIT TYPE STRING,
MATLCOMPISMARKEDFORBACKFLUSH TYPE STRING,
DEBITCREDITCODE TYPE STRING,
ORDERINTERNALID TYPE STRING,
ORDEROPERATIONINTERNALID TYPE STRING,
OPERATIONACTIVITYNETWORK TYPE STRING,
OPACTYNTWKVERSIONCOUNTER TYPE STRING,
MANUFACTURINGORDERCATEGORY TYPE STRING,
MANUFACTURINGORDERTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMPESFOCMPBYLDNG_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_PMPESFOCMPBYLDNG_STR-MANDT sy-vline 
WA_PMPESFOCMPBYLDNG_STR-MANUFACTURINGORDER sy-vline 
WA_PMPESFOCMPBYLDNG_STR-RESERVATION sy-vline 
WA_PMPESFOCMPBYLDNG_STR-RESERVATIONITEM sy-vline 
WA_PMPESFOCMPBYLDNG_STR-RECORDTYPE sy-vline 
WA_PMPESFOCMPBYLDNG_STR-OPACTYNTWKINSTANCE sy-vline 
WA_PMPESFOCMPBYLDNG_STR-OPACTYNTWKELEMENT sy-vline 
WA_PMPESFOCMPBYLDNG_STR-SHOPFLOORITEM sy-vline 
WA_PMPESFOCMPBYLDNG_STR-BATCH sy-vline 
WA_PMPESFOCMPBYLDNG_STR-MATERIAL sy-vline 
WA_PMPESFOCMPBYLDNG_STR-PLANT sy-vline 
WA_PMPESFOCMPBYLDNG_STR-DGTLMOCKUPCHARCSUUID sy-vline 
WA_PMPESFOCMPBYLDNG_STR-MFGREFSTRUCBOMLEAFASSGMTUUID sy-vline 
WA_PMPESFOCMPBYLDNG_STR-MFGREFSTRUCTUREITEMDETAILUUID sy-vline 
WA_PMPESFOCMPBYLDNG_STR-MFGREFSTRUCITMDETISCONTEXTUAL sy-vline 
WA_PMPESFOCMPBYLDNG_STR-REQUIREDQUANTITY sy-vline 
WA_PMPESFOCMPBYLDNG_STR-MATERIALCOMPONENTQUANTITY sy-vline 
WA_PMPESFOCMPBYLDNG_STR-MATERIALBASEUNIT sy-vline 
WA_PMPESFOCMPBYLDNG_STR-MATLCOMPISMARKEDFORBACKFLUSH sy-vline 
WA_PMPESFOCMPBYLDNG_STR-DEBITCREDITCODE sy-vline 
WA_PMPESFOCMPBYLDNG_STR-ORDERINTERNALID sy-vline 
WA_PMPESFOCMPBYLDNG_STR-ORDEROPERATIONINTERNALID sy-vline 
WA_PMPESFOCMPBYLDNG_STR-OPERATIONACTIVITYNETWORK sy-vline 
WA_PMPESFOCMPBYLDNG_STR-OPACTYNTWKVERSIONCOUNTER sy-vline 
WA_PMPESFOCMPBYLDNG_STR-MANUFACTURINGORDERCATEGORY sy-vline 
WA_PMPESFOCMPBYLDNG_STR-MANUFACTURINGORDERTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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