ABAP Select data from SAP table IBKKGLC5 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IBKKGLC5 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 IBKKGLC5. 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 IBKKGLC5 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_IBKKGLC5 TYPE STANDARD TABLE OF IBKKGLC5,
      WA_IBKKGLC5 TYPE IBKKGLC5,
      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: <IBKKGLC5> TYPE IBKKGLC5.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IBKKGLC5.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IBKKGLC5
  INTO TABLE IT_IBKKGLC5.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBKKGLC5
*  INTO TABLE @DATA(IT_IBKKGLC52).
*--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_IBKKGLC5 INDEX 1 INTO DATA(WA_IBKKGLC52).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IBKKGLC5 ASSIGNING <IBKKGLC5>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBKKGLC5>-BUKRS = 1.
<IBKKGLC5>-GLACCT = 1.
<IBKKGLC5>-GSBER = 1.
<IBKKGLC5>-WAERS = 1.
<IBKKGLC5>-BUDAT = 1.

ENDLOOP.

LOOP AT IT_IBKKGLC5 INTO WA_IBKKGLC5.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBKKGLC5-VALDAT, sy-vline,
  WA_IBKKGLC5-SUMSZ, sy-vline,
  WA_IBKKGLC5-FIKEY, sy-vline,
  WA_IBKKGLC5-MWSKZ, sy-vline,
  WA_IBKKGLC5-TAXIT, sy-vline,
  WA_IBKKGLC5-GJAHR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBKKGLC5 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_IBKKGLC5 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_IBKKGLC5 INTO WA_IBKKGLC5.


*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 GLACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IBKKGLC5-GLACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKKGLC5-GLACCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IBKKGLC5-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKKGLC5-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IBKKGLC5-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKKGLC5-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ACEXT, internal->external for field ACNUM_EXT
CALL FUNCTION 'CONVERSION_EXIT_ACEXT_OUTPUT'
  EXPORTING
    input =                      WA_IBKKGLC5-ACNUM_EXT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKKGLC5-ACNUM_EXT.
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_IBKKGLC5_STR, 
BUKRS TYPE STRING,
GLACCT TYPE STRING,
GSBER TYPE STRING,
WAERS TYPE STRING,
BUDAT TYPE STRING,
VALDAT TYPE STRING,
SUMSZ TYPE STRING,
FIKEY TYPE STRING,
MWSKZ TYPE STRING,
TAXIT TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
SHKZG TYPE STRING,
WRBTR TYPE STRING,
DMBTR TYPE STRING,
BKKRS TYPE STRING,
DOCNO TYPE STRING,
POSNO TYPE STRING,
GLPOS TYPE STRING,
XSINGLE TYPE STRING,
ACNUM_EXT TYPE STRING,
ACUR TYPE STRING,
A_AMOUNT TYPE STRING,
GLKEY TYPE STRING,
PSTYPE TYPE STRING,
GLACT TYPE STRING,
GLACTION_TEXT TYPE STRING,
EXTRAKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBKKGLC5_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_IBKKGLC5_STR-BUKRS sy-vline 
WA_IBKKGLC5_STR-GLACCT sy-vline 
WA_IBKKGLC5_STR-GSBER sy-vline 
WA_IBKKGLC5_STR-WAERS sy-vline 
WA_IBKKGLC5_STR-BUDAT sy-vline 
WA_IBKKGLC5_STR-VALDAT sy-vline 
WA_IBKKGLC5_STR-SUMSZ sy-vline 
WA_IBKKGLC5_STR-FIKEY sy-vline 
WA_IBKKGLC5_STR-MWSKZ sy-vline 
WA_IBKKGLC5_STR-TAXIT sy-vline 
WA_IBKKGLC5_STR-GJAHR sy-vline 
WA_IBKKGLC5_STR-BELNR sy-vline 
WA_IBKKGLC5_STR-BUZEI sy-vline 
WA_IBKKGLC5_STR-SHKZG sy-vline 
WA_IBKKGLC5_STR-WRBTR sy-vline 
WA_IBKKGLC5_STR-DMBTR sy-vline 
WA_IBKKGLC5_STR-BKKRS sy-vline 
WA_IBKKGLC5_STR-DOCNO sy-vline 
WA_IBKKGLC5_STR-POSNO sy-vline 
WA_IBKKGLC5_STR-GLPOS sy-vline 
WA_IBKKGLC5_STR-XSINGLE sy-vline 
WA_IBKKGLC5_STR-ACNUM_EXT sy-vline 
WA_IBKKGLC5_STR-ACUR sy-vline 
WA_IBKKGLC5_STR-A_AMOUNT sy-vline 
WA_IBKKGLC5_STR-GLKEY sy-vline 
WA_IBKKGLC5_STR-PSTYPE sy-vline 
WA_IBKKGLC5_STR-GLACT sy-vline 
WA_IBKKGLC5_STR-GLACTION_TEXT sy-vline 
WA_IBKKGLC5_STR-EXTRAKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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