ABAP Select data from SAP table PMFGAPTCST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PMFGAPTCST
*  INTO TABLE @DATA(IT_PMFGAPTCST2).
*--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_PMFGAPTCST INDEX 1 INTO DATA(WA_PMFGAPTCST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PMFGAPTCST>-MANDT = 1.
<PMFGAPTCST>-LEDGER = 1.
<PMFGAPTCST>-ORDERID = 1.
<PMFGAPTCST>-ORDEROPERATION = 1.
<PMFGAPTCST>-WORKCENTERINTERNALID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PMFGAPTCST-WORKCENTER, sy-vline,
  WA_PMFGAPTCST-GLACCOUNT, sy-vline,
  WA_PMFGAPTCST-PARTNERCOSTCENTER, sy-vline,
  WA_PMFGAPTCST-PARTNERCOSTCTRACTIVITYTYPE, sy-vline,
  WA_PMFGAPTCST-PRODUCT, sy-vline,
  WA_PMFGAPTCST-PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PMFGAPTCST 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_PMFGAPTCST 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_PMFGAPTCST INTO WA_PMFGAPTCST.


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

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

*Conversion exit NUMCV, internal->external for field ORDEROPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PMFGAPTCST-ORDEROPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMFGAPTCST-ORDEROPERATION.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SALESORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PMFGAPTCST-SALESORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PMFGAPTCST-SALESORDER.
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_PMFGAPTCST_STR, 
MANDT TYPE STRING,
LEDGER TYPE STRING,
ORDERID TYPE STRING,
ORDEROPERATION TYPE STRING,
WORKCENTERINTERNALID TYPE STRING,
WORKCENTER TYPE STRING,
GLACCOUNT TYPE STRING,
PARTNERCOSTCENTER TYPE STRING,
PARTNERCOSTCTRACTIVITYTYPE TYPE STRING,
PRODUCT TYPE STRING,
PLANT TYPE STRING,
UNITOFMEASURE TYPE STRING,
CONTROLLINGOBJECT TYPE STRING,
COMPANYCODE TYPE STRING,
PRODUCEDPRODUCT TYPE STRING,
CONTROLLINGAREA TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
ORDERTYPE TYPE STRING,
ORDERCATEGORY TYPE STRING,
MFGORDERINTERNALID TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
FISCALYEARVARIANT TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
CREDITACTLCOSTINDISPLAYCRCY TYPE STRING,
DEBITACTLCOSTINDISPLAYCRCY TYPE STRING,
CRDTACTLFIXEDCOSTINDSPCRCY TYPE STRING,
DEBITACTLFIXEDCOSTINDSPCRCY TYPE STRING,
ACTUALQTYINCOSTSOURCEUNIT TYPE STRING,
CREDITPLANCOSTINDISPLAYCRCY TYPE STRING,
DEBITPLANCOSTINDISPLAYCRCY TYPE STRING,
CRDTPLANFIXEDCOSTINDSPCRCY TYPE STRING,
DEBITPLANFIXEDCOSTINDSPCRCY TYPE STRING,
PLANQTYINCOSTSOURCEUNIT TYPE STRING,
CREDITTGTCOSTINDISPLAYCRCY TYPE STRING,
DEBITTGTCOSTINDISPLAYCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PMFGAPTCST_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_PMFGAPTCST_STR-MANDT sy-vline 
WA_PMFGAPTCST_STR-LEDGER sy-vline 
WA_PMFGAPTCST_STR-ORDERID sy-vline 
WA_PMFGAPTCST_STR-ORDEROPERATION sy-vline 
WA_PMFGAPTCST_STR-WORKCENTERINTERNALID sy-vline 
WA_PMFGAPTCST_STR-WORKCENTER sy-vline 
WA_PMFGAPTCST_STR-GLACCOUNT sy-vline 
WA_PMFGAPTCST_STR-PARTNERCOSTCENTER sy-vline 
WA_PMFGAPTCST_STR-PARTNERCOSTCTRACTIVITYTYPE sy-vline 
WA_PMFGAPTCST_STR-PRODUCT sy-vline 
WA_PMFGAPTCST_STR-PLANT sy-vline 
WA_PMFGAPTCST_STR-UNITOFMEASURE sy-vline 
WA_PMFGAPTCST_STR-CONTROLLINGOBJECT sy-vline 
WA_PMFGAPTCST_STR-COMPANYCODE sy-vline 
WA_PMFGAPTCST_STR-PRODUCEDPRODUCT sy-vline 
WA_PMFGAPTCST_STR-CONTROLLINGAREA sy-vline 
WA_PMFGAPTCST_STR-CHARTOFACCOUNTS sy-vline 
WA_PMFGAPTCST_STR-ORDERTYPE sy-vline 
WA_PMFGAPTCST_STR-ORDERCATEGORY sy-vline 
WA_PMFGAPTCST_STR-MFGORDERINTERNALID sy-vline 
WA_PMFGAPTCST_STR-SALESORDER sy-vline 
WA_PMFGAPTCST_STR-SALESORDERITEM sy-vline 
WA_PMFGAPTCST_STR-FISCALYEARVARIANT sy-vline 
WA_PMFGAPTCST_STR-DISPLAYCURRENCY sy-vline 
WA_PMFGAPTCST_STR-CREDITACTLCOSTINDISPLAYCRCY sy-vline 
WA_PMFGAPTCST_STR-DEBITACTLCOSTINDISPLAYCRCY sy-vline 
WA_PMFGAPTCST_STR-CRDTACTLFIXEDCOSTINDSPCRCY sy-vline 
WA_PMFGAPTCST_STR-DEBITACTLFIXEDCOSTINDSPCRCY sy-vline 
WA_PMFGAPTCST_STR-ACTUALQTYINCOSTSOURCEUNIT sy-vline 
WA_PMFGAPTCST_STR-CREDITPLANCOSTINDISPLAYCRCY sy-vline 
WA_PMFGAPTCST_STR-DEBITPLANCOSTINDISPLAYCRCY sy-vline 
WA_PMFGAPTCST_STR-CRDTPLANFIXEDCOSTINDSPCRCY sy-vline 
WA_PMFGAPTCST_STR-DEBITPLANFIXEDCOSTINDSPCRCY sy-vline 
WA_PMFGAPTCST_STR-PLANQTYINCOSTSOURCEUNIT sy-vline 
WA_PMFGAPTCST_STR-CREDITTGTCOSTINDISPLAYCRCY sy-vline 
WA_PMFGAPTCST_STR-DEBITTGTCOSTINDISPLAYCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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