ABAP Select data from SAP table FKK_DOCCHECK_OP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_DOCCHECK_OP
*  INTO TABLE @DATA(IT_FKK_DOCCHECK_OP2).
*--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_FKK_DOCCHECK_OP INDEX 1 INTO DATA(WA_FKK_DOCCHECK_OP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_DOCCHECK_OP>-OPBEL = 1.
<FKK_DOCCHECK_OP>-OPUPW = 1.
<FKK_DOCCHECK_OP>-OPUPK = 1.
<FKK_DOCCHECK_OP>-OPUPZ = 1.
<FKK_DOCCHECK_OP>-BUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_DOCCHECK_OP-LDGRP, sy-vline,
  WA_FKK_DOCCHECK_OP-BUPLA, sy-vline,
  WA_FKK_DOCCHECK_OP-HERKF, sy-vline,
  WA_FKK_DOCCHECK_OP-AGINF, sy-vline,
  WA_FKK_DOCCHECK_OP-BUDAT, sy-vline,
  WA_FKK_DOCCHECK_OP-BUDAT_KO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_DOCCHECK_OP 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_FKK_DOCCHECK_OP 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_FKK_DOCCHECK_OP INTO WA_FKK_DOCCHECK_OP.


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

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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field BUDGETYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FKK_DOCCHECK_OP-BUDGETYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_DOCCHECK_OP-BUDGETYEAR.
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_FKK_DOCCHECK_OP_STR, 
OPBEL TYPE STRING,
OPUPW TYPE STRING,
OPUPK TYPE STRING,
OPUPZ TYPE STRING,
BUKRS TYPE STRING,
LDGRP TYPE STRING,
BUPLA TYPE STRING,
HERKF TYPE STRING,
AGINF TYPE STRING,
BUDAT TYPE STRING,
BUDAT_KO TYPE STRING,
BLDAT TYPE STRING,
BLDAT_KO TYPE STRING,
HKONT TYPE STRING,
MWSKZ TYPE STRING,
STAKZ TYPE STRING,
WAERS TYPE STRING,
WAERS_KO TYPE STRING,
BETRW TYPE STRING,
BETRH TYPE STRING,
BETR2 TYPE STRING,
BETR3 TYPE STRING,
SBETW TYPE STRING,
SBETH TYPE STRING,
SBET2 TYPE STRING,
SBET3 TYPE STRING,
AUGST TYPE STRING,
AUGBL TYPE STRING,
AUGDT TYPE STRING,
AUGBD TYPE STRING,
AUGRD TYPE STRING,
AUGBT TYPE STRING,
AUGWA TYPE STRING,
WHGRP TYPE STRING,
ABWBL TYPE STRING,
ABWTP TYPE STRING,
SCTAX TYPE STRING,
STTAX TYPE STRING,
PSWBT TYPE STRING,
PSWSL TYPE STRING,
PSWTX TYPE STRING,
VERSN TYPE STRING,
STBEL TYPE STRING,
STORB TYPE STRING,
TATYP TYPE STRING,
ORIGFIKRS TYPE STRING,
FMTYP TYPE STRING,
FIPEX TYPE STRING,
FISTL TYPE STRING,
BUDGETYEAR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_DOCCHECK_OP_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_FKK_DOCCHECK_OP_STR-OPBEL sy-vline 
WA_FKK_DOCCHECK_OP_STR-OPUPW sy-vline 
WA_FKK_DOCCHECK_OP_STR-OPUPK sy-vline 
WA_FKK_DOCCHECK_OP_STR-OPUPZ sy-vline 
WA_FKK_DOCCHECK_OP_STR-BUKRS sy-vline 
WA_FKK_DOCCHECK_OP_STR-LDGRP sy-vline 
WA_FKK_DOCCHECK_OP_STR-BUPLA sy-vline 
WA_FKK_DOCCHECK_OP_STR-HERKF sy-vline 
WA_FKK_DOCCHECK_OP_STR-AGINF sy-vline 
WA_FKK_DOCCHECK_OP_STR-BUDAT sy-vline 
WA_FKK_DOCCHECK_OP_STR-BUDAT_KO sy-vline 
WA_FKK_DOCCHECK_OP_STR-BLDAT sy-vline 
WA_FKK_DOCCHECK_OP_STR-BLDAT_KO sy-vline 
WA_FKK_DOCCHECK_OP_STR-HKONT sy-vline 
WA_FKK_DOCCHECK_OP_STR-MWSKZ sy-vline 
WA_FKK_DOCCHECK_OP_STR-STAKZ sy-vline 
WA_FKK_DOCCHECK_OP_STR-WAERS sy-vline 
WA_FKK_DOCCHECK_OP_STR-WAERS_KO sy-vline 
WA_FKK_DOCCHECK_OP_STR-BETRW sy-vline 
WA_FKK_DOCCHECK_OP_STR-BETRH sy-vline 
WA_FKK_DOCCHECK_OP_STR-BETR2 sy-vline 
WA_FKK_DOCCHECK_OP_STR-BETR3 sy-vline 
WA_FKK_DOCCHECK_OP_STR-SBETW sy-vline 
WA_FKK_DOCCHECK_OP_STR-SBETH sy-vline 
WA_FKK_DOCCHECK_OP_STR-SBET2 sy-vline 
WA_FKK_DOCCHECK_OP_STR-SBET3 sy-vline 
WA_FKK_DOCCHECK_OP_STR-AUGST sy-vline 
WA_FKK_DOCCHECK_OP_STR-AUGBL sy-vline 
WA_FKK_DOCCHECK_OP_STR-AUGDT sy-vline 
WA_FKK_DOCCHECK_OP_STR-AUGBD sy-vline 
WA_FKK_DOCCHECK_OP_STR-AUGRD sy-vline 
WA_FKK_DOCCHECK_OP_STR-AUGBT sy-vline 
WA_FKK_DOCCHECK_OP_STR-AUGWA sy-vline 
WA_FKK_DOCCHECK_OP_STR-WHGRP sy-vline 
WA_FKK_DOCCHECK_OP_STR-ABWBL sy-vline 
WA_FKK_DOCCHECK_OP_STR-ABWTP sy-vline 
WA_FKK_DOCCHECK_OP_STR-SCTAX sy-vline 
WA_FKK_DOCCHECK_OP_STR-STTAX sy-vline 
WA_FKK_DOCCHECK_OP_STR-PSWBT sy-vline 
WA_FKK_DOCCHECK_OP_STR-PSWSL sy-vline 
WA_FKK_DOCCHECK_OP_STR-PSWTX sy-vline 
WA_FKK_DOCCHECK_OP_STR-VERSN sy-vline 
WA_FKK_DOCCHECK_OP_STR-STBEL sy-vline 
WA_FKK_DOCCHECK_OP_STR-STORB sy-vline 
WA_FKK_DOCCHECK_OP_STR-TATYP sy-vline 
WA_FKK_DOCCHECK_OP_STR-ORIGFIKRS sy-vline 
WA_FKK_DOCCHECK_OP_STR-FMTYP sy-vline 
WA_FKK_DOCCHECK_OP_STR-FIPEX sy-vline 
WA_FKK_DOCCHECK_OP_STR-FISTL sy-vline 
WA_FKK_DOCCHECK_OP_STR-BUDGETYEAR sy-vline      INTO ld_text SEPARATED BY SPACE.

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