ABAP Select data from SAP table GLFUNCB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GLFUNCB
*  INTO TABLE @DATA(IT_GLFUNCB2).
*--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_GLFUNCB INDEX 1 INTO DATA(WA_GLFUNCB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GLFUNCB>-RVERS = 1.
<GLFUNCB>-RYEAR = 1.
<GLFUNCB>-RTCUR = 1.
<GLFUNCB>-RBUKRS = 1.
<GLFUNCB>-RACCT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GLFUNCB-RBUSA, sy-vline,
  WA_GLFUNCB-RFAREA, sy-vline,
  WA_GLFUNCB-OCLNT, sy-vline,
  WA_GLFUNCB-LOGSYS, sy-vline,
  WA_GLFUNCB-RMVCT, sy-vline,
  WA_GLFUNCB-RASSC, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GLFUNCB 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_GLFUNCB 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_GLFUNCB INTO WA_GLFUNCB.


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

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

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

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

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

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

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

*Conversion exit PERI7, internal->external for field FISCPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_GLFUNCB-FISCPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLFUNCB-FISCPER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field BALANCE
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_GLFUNCB-BALANCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLFUNCB-BALANCE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field DEBIT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_GLFUNCB-DEBIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLFUNCB-DEBIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field CREDIT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_GLFUNCB-CREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLFUNCB-CREDIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field TURNOVER
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_GLFUNCB-TURNOVER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLFUNCB-TURNOVER.
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_GLFUNCB_STR, 
RVERS TYPE STRING,
RYEAR TYPE STRING,
RTCUR TYPE STRING,
RBUKRS TYPE STRING,
RACCT TYPE STRING,
RBUSA TYPE STRING,
RFAREA TYPE STRING,
OCLNT TYPE STRING,
LOGSYS TYPE STRING,
RMVCT TYPE STRING,
RASSC TYPE STRING,
SBUKRS TYPE STRING,
SACCT TYPE STRING,
SBUSA TYPE STRING,
SFAREA TYPE STRING,
QUANUNIT TYPE STRING,
VALUETYPE TYPE STRING,
CURTYPE TYPE STRING,
FISCPER TYPE STRING,
FISCVAR TYPE STRING,
CHARTACCTS TYPE STRING,
VALUTYP TYPE STRING,
CURRUNIT TYPE STRING,
BALANCE TYPE STRING,
DEBIT TYPE STRING,
CREDIT TYPE STRING,
TURNOVER TYPE STRING,
QUANTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GLFUNCB_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_GLFUNCB_STR-RVERS sy-vline 
WA_GLFUNCB_STR-RYEAR sy-vline 
WA_GLFUNCB_STR-RTCUR sy-vline 
WA_GLFUNCB_STR-RBUKRS sy-vline 
WA_GLFUNCB_STR-RACCT sy-vline 
WA_GLFUNCB_STR-RBUSA sy-vline 
WA_GLFUNCB_STR-RFAREA sy-vline 
WA_GLFUNCB_STR-OCLNT sy-vline 
WA_GLFUNCB_STR-LOGSYS sy-vline 
WA_GLFUNCB_STR-RMVCT sy-vline 
WA_GLFUNCB_STR-RASSC sy-vline 
WA_GLFUNCB_STR-SBUKRS sy-vline 
WA_GLFUNCB_STR-SACCT sy-vline 
WA_GLFUNCB_STR-SBUSA sy-vline 
WA_GLFUNCB_STR-SFAREA sy-vline 
WA_GLFUNCB_STR-QUANUNIT sy-vline 
WA_GLFUNCB_STR-VALUETYPE sy-vline 
WA_GLFUNCB_STR-CURTYPE sy-vline 
WA_GLFUNCB_STR-FISCPER sy-vline 
WA_GLFUNCB_STR-FISCVAR sy-vline 
WA_GLFUNCB_STR-CHARTACCTS sy-vline 
WA_GLFUNCB_STR-VALUTYP sy-vline 
WA_GLFUNCB_STR-CURRUNIT sy-vline 
WA_GLFUNCB_STR-BALANCE sy-vline 
WA_GLFUNCB_STR-DEBIT sy-vline 
WA_GLFUNCB_STR-CREDIT sy-vline 
WA_GLFUNCB_STR-TURNOVER sy-vline 
WA_GLFUNCB_STR-QUANTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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