ABAP Select data from SAP table GMBW_BUDGET_DATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GMBW_BUDGET_DATA
*  INTO TABLE @DATA(IT_GMBW_BUDGET_DATA2).
*--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_GMBW_BUDGET_DATA INDEX 1 INTO DATA(WA_GMBW_BUDGET_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GMBW_BUDGET_DATA>-RVERS = 1.
<GMBW_BUDGET_DATA>-RYEAR = 1.
<GMBW_BUDGET_DATA>-RTCUR = 1.
<GMBW_BUDGET_DATA>-POPER = 1.
<GMBW_BUDGET_DATA>-DOCCT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GMBW_BUDGET_DATA-DOCNR, sy-vline,
  WA_GMBW_BUDGET_DATA-DOCLN, sy-vline,
  WA_GMBW_BUDGET_DATA-RBUKRS, sy-vline,
  WA_GMBW_BUDGET_DATA-RGRANT_NBR, sy-vline,
  WA_GMBW_BUDGET_DATA-RSPONSORED_PROG, sy-vline,
  WA_GMBW_BUDGET_DATA-RSPONSORED_CLASS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GMBW_BUDGET_DATA 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_GMBW_BUDGET_DATA 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_GMBW_BUDGET_DATA INTO WA_GMBW_BUDGET_DATA.


*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_GMBW_BUDGET_DATA-RVERS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GMBW_BUDGET_DATA-RVERS.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit GJAHR, internal->external for field RGRANTEE_FY_9
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_GMBW_BUDGET_DATA-RGRANTEE_FY_9
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GMBW_BUDGET_DATA-RGRANTEE_FY_9.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit PERI7, internal->external for field FISCPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_GMBW_BUDGET_DATA-FISCPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GMBW_BUDGET_DATA-FISCPER.
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_GMBW_BUDGET_DATA_STR, 
RVERS TYPE STRING,
RYEAR TYPE STRING,
RTCUR TYPE STRING,
POPER TYPE STRING,
DOCCT TYPE STRING,
DOCNR TYPE STRING,
DOCLN TYPE STRING,
RBUKRS TYPE STRING,
RGRANT_NBR TYPE STRING,
RSPONSORED_PROG TYPE STRING,
RSPONSORED_CLASS TYPE STRING,
BDGT_PHASE TYPE STRING,
BDGT_STATUS TYPE STRING,
RBDGT_VLDTY_NBR TYPE STRING,
RFUND TYPE STRING,
RVALUETYPE_9 TYPE STRING,
RTRANS TYPE STRING,
RSTATS_IND TYPE STRING,
RGRANTEE_FY_9 TYPE STRING,
LOGSYS TYPE STRING,
BDGT_STATE TYPE STRING,
SGTXT TYPE STRING,
DOCTY TYPE STRING,
ACTIV TYPE STRING,
BUDAT TYPE STRING,
WSDAT TYPE STRING,
REFDOCNR TYPE STRING,
REFRYEAR TYPE STRING,
REFDOCLN TYPE STRING,
REFDOCCT TYPE STRING,
REFACTIV TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
USNAM TYPE STRING,
AWTYP TYPE STRING,
AWORG TYPE STRING,
FM_AREA TYPE STRING,
TIMESTAMP TYPE STRING,
QUANUNIT TYPE STRING,
VALUETYPE TYPE STRING,
CURTYPE TYPE STRING,
FISCPER TYPE STRING,
FISCVAR TYPE STRING,
UPMOD TYPE STRING,
VALUTYP TYPE STRING,
CURRUNIT TYPE STRING,
BUDGET TYPE STRING,
QUANTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GMBW_BUDGET_DATA_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_GMBW_BUDGET_DATA_STR-RVERS sy-vline 
WA_GMBW_BUDGET_DATA_STR-RYEAR sy-vline 
WA_GMBW_BUDGET_DATA_STR-RTCUR sy-vline 
WA_GMBW_BUDGET_DATA_STR-POPER sy-vline 
WA_GMBW_BUDGET_DATA_STR-DOCCT sy-vline 
WA_GMBW_BUDGET_DATA_STR-DOCNR sy-vline 
WA_GMBW_BUDGET_DATA_STR-DOCLN sy-vline 
WA_GMBW_BUDGET_DATA_STR-RBUKRS sy-vline 
WA_GMBW_BUDGET_DATA_STR-RGRANT_NBR sy-vline 
WA_GMBW_BUDGET_DATA_STR-RSPONSORED_PROG sy-vline 
WA_GMBW_BUDGET_DATA_STR-RSPONSORED_CLASS sy-vline 
WA_GMBW_BUDGET_DATA_STR-BDGT_PHASE sy-vline 
WA_GMBW_BUDGET_DATA_STR-BDGT_STATUS sy-vline 
WA_GMBW_BUDGET_DATA_STR-RBDGT_VLDTY_NBR sy-vline 
WA_GMBW_BUDGET_DATA_STR-RFUND sy-vline 
WA_GMBW_BUDGET_DATA_STR-RVALUETYPE_9 sy-vline 
WA_GMBW_BUDGET_DATA_STR-RTRANS sy-vline 
WA_GMBW_BUDGET_DATA_STR-RSTATS_IND sy-vline 
WA_GMBW_BUDGET_DATA_STR-RGRANTEE_FY_9 sy-vline 
WA_GMBW_BUDGET_DATA_STR-LOGSYS sy-vline 
WA_GMBW_BUDGET_DATA_STR-BDGT_STATE sy-vline 
WA_GMBW_BUDGET_DATA_STR-SGTXT sy-vline 
WA_GMBW_BUDGET_DATA_STR-DOCTY sy-vline 
WA_GMBW_BUDGET_DATA_STR-ACTIV sy-vline 
WA_GMBW_BUDGET_DATA_STR-BUDAT sy-vline 
WA_GMBW_BUDGET_DATA_STR-WSDAT sy-vline 
WA_GMBW_BUDGET_DATA_STR-REFDOCNR sy-vline 
WA_GMBW_BUDGET_DATA_STR-REFRYEAR sy-vline 
WA_GMBW_BUDGET_DATA_STR-REFDOCLN sy-vline 
WA_GMBW_BUDGET_DATA_STR-REFDOCCT sy-vline 
WA_GMBW_BUDGET_DATA_STR-REFACTIV sy-vline 
WA_GMBW_BUDGET_DATA_STR-CPUDT sy-vline 
WA_GMBW_BUDGET_DATA_STR-CPUTM sy-vline 
WA_GMBW_BUDGET_DATA_STR-USNAM sy-vline 
WA_GMBW_BUDGET_DATA_STR-AWTYP sy-vline 
WA_GMBW_BUDGET_DATA_STR-AWORG sy-vline 
WA_GMBW_BUDGET_DATA_STR-FM_AREA sy-vline 
WA_GMBW_BUDGET_DATA_STR-TIMESTAMP sy-vline 
WA_GMBW_BUDGET_DATA_STR-QUANUNIT sy-vline 
WA_GMBW_BUDGET_DATA_STR-VALUETYPE sy-vline 
WA_GMBW_BUDGET_DATA_STR-CURTYPE sy-vline 
WA_GMBW_BUDGET_DATA_STR-FISCPER sy-vline 
WA_GMBW_BUDGET_DATA_STR-FISCVAR sy-vline 
WA_GMBW_BUDGET_DATA_STR-UPMOD sy-vline 
WA_GMBW_BUDGET_DATA_STR-VALUTYP sy-vline 
WA_GMBW_BUDGET_DATA_STR-CURRUNIT sy-vline 
WA_GMBW_BUDGET_DATA_STR-BUDGET sy-vline 
WA_GMBW_BUDGET_DATA_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.