ABAP Select data from SAP table PCNFINSTMNTBALSU into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCNFINSTMNTBALSU
*  INTO TABLE @DATA(IT_PCNFINSTMNTBALSU2).
*--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_PCNFINSTMNTBALSU INDEX 1 INTO DATA(WA_PCNFINSTMNTBALSU2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCNFINSTMNTBALSU>-MANDT = 1.
<PCNFINSTMNTBALSU>-LEDGER = 1.
<PCNFINSTMNTBALSU>-COMPANYCODE = 1.
<PCNFINSTMNTBALSU>-LEDGERFISCALYEAR = 1.
<PCNFINSTMNTBALSU>-GLACCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCNFINSTMNTBALSU-ALTERNATIVEGLACCOUNT, sy-vline,
  WA_PCNFINSTMNTBALSU-CHARTOFACCOUNTS, sy-vline,
  WA_PCNFINSTMNTBALSU-COUNTRYCHARTOFACCOUNTS, sy-vline,
  WA_PCNFINSTMNTBALSU-PROFITCENTER, sy-vline,
  WA_PCNFINSTMNTBALSU-FUNCTIONALAREA, sy-vline,
  WA_PCNFINSTMNTBALSU-BUSINESSAREA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCNFINSTMNTBALSU 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_PCNFINSTMNTBALSU 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_PCNFINSTMNTBALSU INTO WA_PCNFINSTMNTBALSU.


*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_PCNFINSTMNTBALSU-LEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCNFINSTMNTBALSU-LEDGER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field LEDGERFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PCNFINSTMNTBALSU-LEDGERFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCNFINSTMNTBALSU-LEDGERFISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCNFINSTMNTBALSU-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCNFINSTMNTBALSU-SEGMENT.
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_PCNFINSTMNTBALSU_STR, 
MANDT TYPE STRING,
LEDGER TYPE STRING,
COMPANYCODE TYPE STRING,
LEDGERFISCALYEAR TYPE STRING,
GLACCOUNT TYPE STRING,
ALTERNATIVEGLACCOUNT TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
COUNTRYCHARTOFACCOUNTS TYPE STRING,
PROFITCENTER TYPE STRING,
FUNCTIONALAREA TYPE STRING,
BUSINESSAREA TYPE STRING,
SEGMENT TYPE STRING,
CURRENCYCODE TYPE STRING,
DEBITAMOUNTINDSPCCRY TYPE STRING,
CREDITAMOUNTINDSPCCRY TYPE STRING,
PERIODDEBITAMOUNTINDSPCCRY TYPE STRING,
PERIODCREDITAMOUNTINDSPCCRY TYPE STRING,
QUARTERDEBITAMOUNTINDSPCCRY TYPE STRING,
QUARTERCREDITAMOUNTINDSPCCRY TYPE STRING,
COMPRNPERDDEBITAMTINDSPCCRY TYPE STRING,
COMPRNPERDCREDITAMTINDSPCCRY TYPE STRING,
COMPRNDEBITAMTINDSPCCRY TYPE STRING,
COMPRNCREDITAMTINDSPCCRY TYPE STRING,
ENDINGBALANCEAMOUNTINDSPCCRY TYPE STRING,
STARTINGBALANCEAMOUNTINDSPCCRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCNFINSTMNTBALSU_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_PCNFINSTMNTBALSU_STR-MANDT sy-vline 
WA_PCNFINSTMNTBALSU_STR-LEDGER sy-vline 
WA_PCNFINSTMNTBALSU_STR-COMPANYCODE sy-vline 
WA_PCNFINSTMNTBALSU_STR-LEDGERFISCALYEAR sy-vline 
WA_PCNFINSTMNTBALSU_STR-GLACCOUNT sy-vline 
WA_PCNFINSTMNTBALSU_STR-ALTERNATIVEGLACCOUNT sy-vline 
WA_PCNFINSTMNTBALSU_STR-CHARTOFACCOUNTS sy-vline 
WA_PCNFINSTMNTBALSU_STR-COUNTRYCHARTOFACCOUNTS sy-vline 
WA_PCNFINSTMNTBALSU_STR-PROFITCENTER sy-vline 
WA_PCNFINSTMNTBALSU_STR-FUNCTIONALAREA sy-vline 
WA_PCNFINSTMNTBALSU_STR-BUSINESSAREA sy-vline 
WA_PCNFINSTMNTBALSU_STR-SEGMENT sy-vline 
WA_PCNFINSTMNTBALSU_STR-CURRENCYCODE sy-vline 
WA_PCNFINSTMNTBALSU_STR-DEBITAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALSU_STR-CREDITAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALSU_STR-PERIODDEBITAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALSU_STR-PERIODCREDITAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALSU_STR-QUARTERDEBITAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALSU_STR-QUARTERCREDITAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALSU_STR-COMPRNPERDDEBITAMTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALSU_STR-COMPRNPERDCREDITAMTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALSU_STR-COMPRNDEBITAMTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALSU_STR-COMPRNCREDITAMTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALSU_STR-ENDINGBALANCEAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALSU_STR-STARTINGBALANCEAMOUNTINDSPCCRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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