ABAP Select data from SAP table FMFG_S_YBA_CONSUME_DEC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMFG_S_YBA_CONSUME_DEC
*  INTO TABLE @DATA(IT_FMFG_S_YBA_CONSUME_DEC2).
*--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_FMFG_S_YBA_CONSUME_DEC INDEX 1 INTO DATA(WA_FMFG_S_YBA_CONSUME_DEC2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMFG_S_YBA_CONSUME_DEC-RBUSA, sy-vline,
  WA_FMFG_S_YBA_CONSUME_DEC-RFAREA, sy-vline,
  WA_FMFG_S_YBA_CONSUME_DEC-RFUND, sy-vline,
  WA_FMFG_S_YBA_CONSUME_DEC-RFIPEX, sy-vline,
  WA_FMFG_S_YBA_CONSUME_DEC-RFISTL, sy-vline,
  WA_FMFG_S_YBA_CONSUME_DEC-RVBUND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMFG_S_YBA_CONSUME_DEC 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_FMFG_S_YBA_CONSUME_DEC 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_FMFG_S_YBA_CONSUME_DEC INTO WA_FMFG_S_YBA_CONSUME_DEC.


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

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

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

*Conversion exit FMCIL, internal->external for field RFIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FMFG_S_YBA_CONSUME_DEC-RFIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG_S_YBA_CONSUME_DEC-RFIPEX.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit GJAHR, internal->external for field REFRYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMFG_S_YBA_CONSUME_DEC-REFRYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFG_S_YBA_CONSUME_DEC-REFRYEAR.
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_FMFG_S_YBA_CONSUME_DEC_STR, 
RLDNR TYPE STRING,
RYEAR TYPE STRING,
RTCUR TYPE STRING,
RBUKRS TYPE STRING,
RACCT TYPE STRING,
RBUSA TYPE STRING,
RFAREA TYPE STRING,
RFUND TYPE STRING,
RFIPEX TYPE STRING,
RFISTL TYPE STRING,
RVBUND TYPE STRING,
RFINUSE TYPE STRING,
DOCTY TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
REFDOCNR TYPE STRING,
REFRYEAR TYPE STRING,
REFDOCLN TYPE STRING,
REFDOCCT TYPE STRING,
REFACTIV TYPE STRING,
AWTYP TYPE STRING,
FM_AREA TYPE STRING,
MEASURE TYPE STRING,
HSL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMFG_S_YBA_CONSUME_DEC_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_FMFG_S_YBA_CONSUME_DEC_STR-RLDNR sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-RYEAR sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-RTCUR sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-RBUKRS sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-RACCT sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-RBUSA sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-RFAREA sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-RFUND sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-RFIPEX sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-RFISTL sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-RVBUND sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-RFINUSE sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-DOCTY sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-BUDAT sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-BLDAT sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-REFDOCNR sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-REFRYEAR sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-REFDOCLN sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-REFDOCCT sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-REFACTIV sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-AWTYP sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-FM_AREA sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-MEASURE sy-vline 
WA_FMFG_S_YBA_CONSUME_DEC_STR-HSL sy-vline      INTO ld_text SEPARATED BY SPACE.

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