ABAP Select data from SAP table PCNFINSTMNTBALCL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PCNFINSTMNTBALCL
*  INTO TABLE @DATA(IT_PCNFINSTMNTBALCL2).
*--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_PCNFINSTMNTBALCL INDEX 1 INTO DATA(WA_PCNFINSTMNTBALCL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PCNFINSTMNTBALCL>-MANDT = 1.
<PCNFINSTMNTBALCL>-FINSTMNTFORMSTRUC = 1.
<PCNFINSTMNTBALCL>-FINANCIALSTATEMENTVARIANT = 1.
<PCNFINSTMNTBALCL>-HIERARCHYNODE = 1.
<PCNFINSTMNTBALCL>-PARENTNODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PCNFINSTMNTBALCL-FINANCIALSTATEMENTITEM, sy-vline,
  WA_PCNFINSTMNTBALCL-FINSTATEMENTHIERARCHYLEVELVAL, sy-vline,
  WA_PCNFINSTMNTBALCL-FINSTMNTFORMSTRUCITEMCAT, sy-vline,
  WA_PCNFINSTMNTBALCL-FINSTMNTFORMSTRUCITEMOFFSET, sy-vline,
  WA_PCNFINSTMNTBALCL-FINSTMNTFORMSTRUCITEMTYPE, sy-vline,
  WA_PCNFINSTMNTBALCL-FINSTMNTFORMSTRUCITEMSIGN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PCNFINSTMNTBALCL 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_PCNFINSTMNTBALCL 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_PCNFINSTMNTBALCL INTO WA_PCNFINSTMNTBALCL.


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

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

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

*Conversion exit ALPHA, internal->external for field SEGMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PCNFINSTMNTBALCL-SEGMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PCNFINSTMNTBALCL-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_PCNFINSTMNTBALCL_STR, 
MANDT TYPE STRING,
FINSTMNTFORMSTRUC TYPE STRING,
FINANCIALSTATEMENTVARIANT TYPE STRING,
HIERARCHYNODE TYPE STRING,
PARENTNODE TYPE STRING,
FINANCIALSTATEMENTITEM TYPE STRING,
FINSTATEMENTHIERARCHYLEVELVAL TYPE STRING,
FINSTMNTFORMSTRUCITEMCAT TYPE STRING,
FINSTMNTFORMSTRUCITEMOFFSET TYPE STRING,
FINSTMNTFORMSTRUCITEMTYPE TYPE STRING,
FINSTMNTFORMSTRUCITEMSIGN TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
COUNTRYCHARTOFACCOUNTS TYPE STRING,
GLACCOUNT TYPE STRING,
ALTERNATIVEGLACCOUNT TYPE STRING,
PROFITCENTER TYPE STRING,
FUNCTIONALAREA TYPE STRING,
BUSINESSAREA TYPE STRING,
SEGMENT TYPE STRING,
CURRENCYCODE TYPE STRING,
ENDINGBALANCEAMOUNTINDSPCCRY TYPE STRING,
STARTINGBALANCEAMOUNTINDSPCCRY TYPE STRING,
YEARBALANACEAMOUNTINDSPCCRY TYPE STRING,
PERIODBALANCEAMOUNTINDSPCCRY TYPE STRING,
QUARTERBALANCEAMOUNTINDSPCCRY TYPE STRING,
COMPRNPERDBALANCEAMTINDSPCCRY TYPE STRING,
COMPRNYEARBALANCEAMTINDSPCCRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PCNFINSTMNTBALCL_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_PCNFINSTMNTBALCL_STR-MANDT sy-vline 
WA_PCNFINSTMNTBALCL_STR-FINSTMNTFORMSTRUC sy-vline 
WA_PCNFINSTMNTBALCL_STR-FINANCIALSTATEMENTVARIANT sy-vline 
WA_PCNFINSTMNTBALCL_STR-HIERARCHYNODE sy-vline 
WA_PCNFINSTMNTBALCL_STR-PARENTNODE sy-vline 
WA_PCNFINSTMNTBALCL_STR-FINANCIALSTATEMENTITEM sy-vline 
WA_PCNFINSTMNTBALCL_STR-FINSTATEMENTHIERARCHYLEVELVAL sy-vline 
WA_PCNFINSTMNTBALCL_STR-FINSTMNTFORMSTRUCITEMCAT sy-vline 
WA_PCNFINSTMNTBALCL_STR-FINSTMNTFORMSTRUCITEMOFFSET sy-vline 
WA_PCNFINSTMNTBALCL_STR-FINSTMNTFORMSTRUCITEMTYPE sy-vline 
WA_PCNFINSTMNTBALCL_STR-FINSTMNTFORMSTRUCITEMSIGN sy-vline 
WA_PCNFINSTMNTBALCL_STR-CHARTOFACCOUNTS sy-vline 
WA_PCNFINSTMNTBALCL_STR-COUNTRYCHARTOFACCOUNTS sy-vline 
WA_PCNFINSTMNTBALCL_STR-GLACCOUNT sy-vline 
WA_PCNFINSTMNTBALCL_STR-ALTERNATIVEGLACCOUNT sy-vline 
WA_PCNFINSTMNTBALCL_STR-PROFITCENTER sy-vline 
WA_PCNFINSTMNTBALCL_STR-FUNCTIONALAREA sy-vline 
WA_PCNFINSTMNTBALCL_STR-BUSINESSAREA sy-vline 
WA_PCNFINSTMNTBALCL_STR-SEGMENT sy-vline 
WA_PCNFINSTMNTBALCL_STR-CURRENCYCODE sy-vline 
WA_PCNFINSTMNTBALCL_STR-ENDINGBALANCEAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALCL_STR-STARTINGBALANCEAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALCL_STR-YEARBALANACEAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALCL_STR-PERIODBALANCEAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALCL_STR-QUARTERBALANCEAMOUNTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALCL_STR-COMPRNPERDBALANCEAMTINDSPCCRY sy-vline 
WA_PCNFINSTMNTBALCL_STR-COMPRNYEARBALANCEAMTINDSPCCRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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