ABAP Select data from SAP table FMABP_INTERFACE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMABP_INTERFACE
*  INTO TABLE @DATA(IT_FMABP_INTERFACE2).
*--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_FMABP_INTERFACE INDEX 1 INTO DATA(WA_FMABP_INTERFACE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMABP_INTERFACE>-REFBN = 1.
<FMABP_INTERFACE>-REFBT = 1.
<FMABP_INTERFACE>-RFORG = 1.
<FMABP_INTERFACE>-RFPOS = 1.
<FMABP_INTERFACE>-RFKNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMABP_INTERFACE-RFETE, sy-vline,
  WA_FMABP_INTERFACE-RCOND, sy-vline,
  WA_FMABP_INTERFACE-RFTYP, sy-vline,
  WA_FMABP_INTERFACE-RFSYS, sy-vline,
  WA_FMABP_INTERFACE-WRTTP, sy-vline,
  WA_FMABP_INTERFACE-VRGNG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMABP_INTERFACE 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_FMABP_INTERFACE 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_FMABP_INTERFACE INTO WA_FMABP_INTERFACE.


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

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

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

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

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

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

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

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

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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field GNJHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMABP_INTERFACE-GNJHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMABP_INTERFACE-GNJHR.
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_FMABP_INTERFACE_STR, 
REFBN TYPE STRING,
REFBT TYPE STRING,
RFORG TYPE STRING,
RFPOS TYPE STRING,
RFKNT TYPE STRING,
RFETE TYPE STRING,
RCOND TYPE STRING,
RFTYP TYPE STRING,
RFSYS TYPE STRING,
WRTTP TYPE STRING,
VRGNG TYPE STRING,
RLDNR TYPE STRING,
BTART TYPE STRING,
BL_DOC_TYPE TYPE STRING,
VBUND_FLG TYPE STRING,
TRADE_ID TYPE STRING,
GJAHR TYPE STRING,
PERIO TYPE STRING,
ZHLDT TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
BUKRS TYPE STRING,
FIKRS TYPE STRING,
HKONT TYPE STRING,
FONDS TYPE STRING,
BUDGET_PD TYPE STRING,
FISTL TYPE STRING,
FIPEX TYPE STRING,
FAREA TYPE STRING,
MEASURE TYPE STRING,
GRANT_NBR TYPE STRING,
USERDIM TYPE STRING,
TRBTR TYPE STRING,
FKBTR TYPE STRING,
TWAER TYPE STRING,
TRANR TYPE STRING,
CFLEV TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
KNGJAHR TYPE STRING,
KNBELNR TYPE STRING,
KNBUZEI TYPE STRING,
VREFBT TYPE STRING,
VREFBN TYPE STRING,
VRFORG TYPE STRING,
VRFPOS TYPE STRING,
VRFKNT TYPE STRING,
VRFTYP TYPE STRING,
VRFSYS TYPE STRING,
BUS_AREA TYPE STRING,
OBJNRZ TYPE STRING,
XREF3 TYPE STRING,
GNJHR TYPE STRING,
ERLKZ TYPE STRING,
STATS TYPE STRING,
DUMMY_INCL_EEW_COBL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMABP_INTERFACE_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_FMABP_INTERFACE_STR-REFBN sy-vline 
WA_FMABP_INTERFACE_STR-REFBT sy-vline 
WA_FMABP_INTERFACE_STR-RFORG sy-vline 
WA_FMABP_INTERFACE_STR-RFPOS sy-vline 
WA_FMABP_INTERFACE_STR-RFKNT sy-vline 
WA_FMABP_INTERFACE_STR-RFETE sy-vline 
WA_FMABP_INTERFACE_STR-RCOND sy-vline 
WA_FMABP_INTERFACE_STR-RFTYP sy-vline 
WA_FMABP_INTERFACE_STR-RFSYS sy-vline 
WA_FMABP_INTERFACE_STR-WRTTP sy-vline 
WA_FMABP_INTERFACE_STR-VRGNG sy-vline 
WA_FMABP_INTERFACE_STR-RLDNR sy-vline 
WA_FMABP_INTERFACE_STR-BTART sy-vline 
WA_FMABP_INTERFACE_STR-BL_DOC_TYPE sy-vline 
WA_FMABP_INTERFACE_STR-VBUND_FLG sy-vline 
WA_FMABP_INTERFACE_STR-TRADE_ID sy-vline 
WA_FMABP_INTERFACE_STR-GJAHR sy-vline 
WA_FMABP_INTERFACE_STR-PERIO sy-vline 
WA_FMABP_INTERFACE_STR-ZHLDT sy-vline 
WA_FMABP_INTERFACE_STR-BUDAT sy-vline 
WA_FMABP_INTERFACE_STR-BLDAT sy-vline 
WA_FMABP_INTERFACE_STR-BUKRS sy-vline 
WA_FMABP_INTERFACE_STR-FIKRS sy-vline 
WA_FMABP_INTERFACE_STR-HKONT sy-vline 
WA_FMABP_INTERFACE_STR-FONDS sy-vline 
WA_FMABP_INTERFACE_STR-BUDGET_PD sy-vline 
WA_FMABP_INTERFACE_STR-FISTL sy-vline 
WA_FMABP_INTERFACE_STR-FIPEX sy-vline 
WA_FMABP_INTERFACE_STR-FAREA sy-vline 
WA_FMABP_INTERFACE_STR-MEASURE sy-vline 
WA_FMABP_INTERFACE_STR-GRANT_NBR sy-vline 
WA_FMABP_INTERFACE_STR-USERDIM sy-vline 
WA_FMABP_INTERFACE_STR-TRBTR sy-vline 
WA_FMABP_INTERFACE_STR-FKBTR sy-vline 
WA_FMABP_INTERFACE_STR-TWAER sy-vline 
WA_FMABP_INTERFACE_STR-TRANR sy-vline 
WA_FMABP_INTERFACE_STR-CFLEV sy-vline 
WA_FMABP_INTERFACE_STR-LIFNR sy-vline 
WA_FMABP_INTERFACE_STR-KUNNR sy-vline 
WA_FMABP_INTERFACE_STR-KNGJAHR sy-vline 
WA_FMABP_INTERFACE_STR-KNBELNR sy-vline 
WA_FMABP_INTERFACE_STR-KNBUZEI sy-vline 
WA_FMABP_INTERFACE_STR-VREFBT sy-vline 
WA_FMABP_INTERFACE_STR-VREFBN sy-vline 
WA_FMABP_INTERFACE_STR-VRFORG sy-vline 
WA_FMABP_INTERFACE_STR-VRFPOS sy-vline 
WA_FMABP_INTERFACE_STR-VRFKNT sy-vline 
WA_FMABP_INTERFACE_STR-VRFTYP sy-vline 
WA_FMABP_INTERFACE_STR-VRFSYS sy-vline 
WA_FMABP_INTERFACE_STR-BUS_AREA sy-vline 
WA_FMABP_INTERFACE_STR-OBJNRZ sy-vline 
WA_FMABP_INTERFACE_STR-XREF3 sy-vline 
WA_FMABP_INTERFACE_STR-GNJHR sy-vline 
WA_FMABP_INTERFACE_STR-ERLKZ sy-vline 
WA_FMABP_INTERFACE_STR-STATS sy-vline 
WA_FMABP_INTERFACE_STR-DUMMY_INCL_EEW_COBL sy-vline      INTO ld_text SEPARATED BY SPACE.

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