ABAP Select data from SAP table ICNGLABALSUM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICNGLABALSUM
*  INTO TABLE @DATA(IT_ICNGLABALSUM2).
*--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_ICNGLABALSUM INDEX 1 INTO DATA(WA_ICNGLABALSUM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICNGLABALSUM>-MANDT = 1.
<ICNGLABALSUM>-COMPANYCODE = 1.
<ICNGLABALSUM>-LEDGER = 1.
<ICNGLABALSUM>-FISCALYEAR = 1.
<ICNGLABALSUM>-FISCALPERIOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICNGLABALSUM-GLACCOUNT, sy-vline,
  WA_ICNGLABALSUM-GLACCOUNTINFO, sy-vline,
  WA_ICNGLABALSUM-GLACCTLINEDESCRIPTION, sy-vline,
  WA_ICNGLABALSUM-GLACCOUNTHIERARCHY, sy-vline,
  WA_ICNGLABALSUM-GLACCOUNTGROUP, sy-vline,
  WA_ICNGLABALSUM-LEDGERFISCALYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICNGLABALSUM 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_ICNGLABALSUM 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_ICNGLABALSUM INTO WA_ICNGLABALSUM.


*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_ICNGLABALSUM-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICNGLABALSUM-GLACCOUNT.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field ALTERNATIVEGLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICNGLABALSUM-ALTERNATIVEGLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICNGLABALSUM-ALTERNATIVEGLACCOUNT.
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_ICNGLABALSUM_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
LEDGER TYPE STRING,
FISCALYEAR TYPE STRING,
FISCALPERIOD TYPE STRING,
GLACCOUNT TYPE STRING,
GLACCOUNTINFO TYPE STRING,
GLACCTLINEDESCRIPTION TYPE STRING,
GLACCOUNTHIERARCHY TYPE STRING,
GLACCOUNTGROUP TYPE STRING,
LEDGERFISCALYEAR TYPE STRING,
PROFITCENTER TYPE STRING,
PROFITCENTERGROUP TYPE STRING,
FUNCTIONALAREA TYPE STRING,
BUSINESSAREA TYPE STRING,
SEGMENT TYPE STRING,
ACCOUNTISMARKEDFORDELETION TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
GLACCOUNTTRANSACTIONTYPE TYPE STRING,
ALTERNATIVEGLACCOUNT TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
DEBITAMOUNTINDISPLAYCRCY TYPE STRING,
CREDITAMOUNTINDISPLAYCRCY TYPE STRING,
AMOUNTINDISPLAYCURRENCY TYPE STRING,
ENDINGBALAMTINDSPCRCY TYPE STRING,
STARTINGBALAMTINDSPCRCY TYPE STRING,
PERIODBALAMTINDSPCRCY TYPE STRING,
CREDITDEBITDIRECTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICNGLABALSUM_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_ICNGLABALSUM_STR-MANDT sy-vline 
WA_ICNGLABALSUM_STR-COMPANYCODE sy-vline 
WA_ICNGLABALSUM_STR-LEDGER sy-vline 
WA_ICNGLABALSUM_STR-FISCALYEAR sy-vline 
WA_ICNGLABALSUM_STR-FISCALPERIOD sy-vline 
WA_ICNGLABALSUM_STR-GLACCOUNT sy-vline 
WA_ICNGLABALSUM_STR-GLACCOUNTINFO sy-vline 
WA_ICNGLABALSUM_STR-GLACCTLINEDESCRIPTION sy-vline 
WA_ICNGLABALSUM_STR-GLACCOUNTHIERARCHY sy-vline 
WA_ICNGLABALSUM_STR-GLACCOUNTGROUP sy-vline 
WA_ICNGLABALSUM_STR-LEDGERFISCALYEAR sy-vline 
WA_ICNGLABALSUM_STR-PROFITCENTER sy-vline 
WA_ICNGLABALSUM_STR-PROFITCENTERGROUP sy-vline 
WA_ICNGLABALSUM_STR-FUNCTIONALAREA sy-vline 
WA_ICNGLABALSUM_STR-BUSINESSAREA sy-vline 
WA_ICNGLABALSUM_STR-SEGMENT sy-vline 
WA_ICNGLABALSUM_STR-ACCOUNTISMARKEDFORDELETION sy-vline 
WA_ICNGLABALSUM_STR-CHARTOFACCOUNTS sy-vline 
WA_ICNGLABALSUM_STR-GLACCOUNTTRANSACTIONTYPE sy-vline 
WA_ICNGLABALSUM_STR-ALTERNATIVEGLACCOUNT sy-vline 
WA_ICNGLABALSUM_STR-DISPLAYCURRENCY sy-vline 
WA_ICNGLABALSUM_STR-DEBITAMOUNTINDISPLAYCRCY sy-vline 
WA_ICNGLABALSUM_STR-CREDITAMOUNTINDISPLAYCRCY sy-vline 
WA_ICNGLABALSUM_STR-AMOUNTINDISPLAYCURRENCY sy-vline 
WA_ICNGLABALSUM_STR-ENDINGBALAMTINDSPCRCY sy-vline 
WA_ICNGLABALSUM_STR-STARTINGBALAMTINDSPCRCY sy-vline 
WA_ICNGLABALSUM_STR-PERIODBALAMTINDSPCRCY sy-vline 
WA_ICNGLABALSUM_STR-CREDITDEBITDIRECTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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