ABAP Select data from SAP table COBL_FI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COBL_FI
*  INTO TABLE @DATA(IT_COBL_FI2).
*--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_COBL_FI INDEX 1 INTO DATA(WA_COBL_FI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COBL_FI>-BUKRS = 1.
<COBL_FI>-GJAHR = 1.
<COBL_FI>-MONAT = 1.
<COBL_FI>-BUDAT = 1.
<COBL_FI>-BLDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COBL_FI-BUZEI, sy-vline,
  WA_COBL_FI-BLART, sy-vline,
  WA_COBL_FI-BSCHL, sy-vline,
  WA_COBL_FI-KOART, sy-vline,
  WA_COBL_FI-SAKNR, sy-vline,
  WA_COBL_FI-HKONT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_COBL_FI 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_COBL_FI 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_COBL_FI INTO WA_COBL_FI.


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

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

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

*Conversion exit AU132, internal->external for field DMBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_COBL_FI-DMBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COBL_FI-DMBTR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AU132, internal->external for field WRBTR
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_COBL_FI-WRBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COBL_FI-WRBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBE2
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_COBL_FI-DMBE2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COBL_FI-DMBE2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field DMBE3
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_COBL_FI-DMBE3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COBL_FI-DMBE3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field MWSTS
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_COBL_FI-MWSTS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COBL_FI-MWSTS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field WMWST
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_COBL_FI-WMWST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COBL_FI-WMWST.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field MWST2
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_COBL_FI-MWST2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COBL_FI-MWST2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field MWST3
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_COBL_FI-MWST3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COBL_FI-MWST3.
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_COBL_FI_STR, 
BUKRS TYPE STRING,
GJAHR TYPE STRING,
MONAT TYPE STRING,
BUDAT TYPE STRING,
BLDAT TYPE STRING,
BUZEI TYPE STRING,
BLART TYPE STRING,
BSCHL TYPE STRING,
KOART TYPE STRING,
SAKNR TYPE STRING,
HKONT TYPE STRING,
WAERS TYPE STRING,
DMBTR TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
XAUTO TYPE STRING,
XNETB TYPE STRING,
SHKZG TYPE STRING,
WRBTR TYPE STRING,
DMBE2 TYPE STRING,
DMBE3 TYPE STRING,
MWSTS TYPE STRING,
WMWST TYPE STRING,
MWST2 TYPE STRING,
MWST3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COBL_FI_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_COBL_FI_STR-BUKRS sy-vline 
WA_COBL_FI_STR-GJAHR sy-vline 
WA_COBL_FI_STR-MONAT sy-vline 
WA_COBL_FI_STR-BUDAT sy-vline 
WA_COBL_FI_STR-BLDAT sy-vline 
WA_COBL_FI_STR-BUZEI sy-vline 
WA_COBL_FI_STR-BLART sy-vline 
WA_COBL_FI_STR-BSCHL sy-vline 
WA_COBL_FI_STR-KOART sy-vline 
WA_COBL_FI_STR-SAKNR sy-vline 
WA_COBL_FI_STR-HKONT sy-vline 
WA_COBL_FI_STR-WAERS sy-vline 
WA_COBL_FI_STR-DMBTR sy-vline 
WA_COBL_FI_STR-KUNNR sy-vline 
WA_COBL_FI_STR-LIFNR sy-vline 
WA_COBL_FI_STR-XAUTO sy-vline 
WA_COBL_FI_STR-XNETB sy-vline 
WA_COBL_FI_STR-SHKZG sy-vline 
WA_COBL_FI_STR-WRBTR sy-vline 
WA_COBL_FI_STR-DMBE2 sy-vline 
WA_COBL_FI_STR-DMBE3 sy-vline 
WA_COBL_FI_STR-MWSTS sy-vline 
WA_COBL_FI_STR-WMWST sy-vline 
WA_COBL_FI_STR-MWST2 sy-vline 
WA_COBL_FI_STR-MWST3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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