ABAP Select data from SAP table HCMFAB_S_WORKLIST_DATA_FIELDS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HCMFAB_S_WORKLIST_DATA_FIELDS
*  INTO TABLE @DATA(IT_HCMFAB_S_WORKLIST_DATA_FIELDS2).
*--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_HCMFAB_S_WORKLIST_DATA_FIELDS INDEX 1 INTO DATA(WA_HCMFAB_S_WORKLIST_DATA_FIELDS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HCMFAB_S_WORKLIST_DATA_FIELDS>-NAME = 1.
<HCMFAB_S_WORKLIST_DATA_FIELDS>-BEGDA = 1.
<HCMFAB_S_WORKLIST_DATA_FIELDS>-ENDDA = 1.
<HCMFAB_S_WORKLIST_DATA_FIELDS>-SKOSTL = 1.
<HCMFAB_S_WORKLIST_DATA_FIELDS>-LSTAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HCMFAB_S_WORKLIST_DATA_FIELDS-SEBELN, sy-vline,
  WA_HCMFAB_S_WORKLIST_DATA_FIELDS-SEBELP, sy-vline,
  WA_HCMFAB_S_WORKLIST_DATA_FIELDS-SPRZNR, sy-vline,
  WA_HCMFAB_S_WORKLIST_DATA_FIELDS-LSTNR, sy-vline,
  WA_HCMFAB_S_WORKLIST_DATA_FIELDS-RKOSTL, sy-vline,
  WA_HCMFAB_S_WORKLIST_DATA_FIELDS-RPROJ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HCMFAB_S_WORKLIST_DATA_FIELDS 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_HCMFAB_S_WORKLIST_DATA_FIELDS 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_HCMFAB_S_WORKLIST_DATA_FIELDS INTO WA_HCMFAB_S_WORKLIST_DATA_FIELDS.


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

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

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

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

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

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

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

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

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

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

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

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_HCMFAB_S_WORKLIST_DATA_FIELDS-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HCMFAB_S_WORKLIST_DATA_FIELDS-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field UVORN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_HCMFAB_S_WORKLIST_DATA_FIELDS-UVORN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HCMFAB_S_WORKLIST_DATA_FIELDS-UVORN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_HCMFAB_S_WORKLIST_DATA_FIELDS-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HCMFAB_S_WORKLIST_DATA_FIELDS-POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field RPROJ_EXT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_HCMFAB_S_WORKLIST_DATA_FIELDS-RPROJ_EXT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HCMFAB_S_WORKLIST_DATA_FIELDS-RPROJ_EXT.
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_HCMFAB_S_WORKLIST_DATA_FIELDS_STR, 
NAME TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
SKOSTL TYPE STRING,
LSTAR TYPE STRING,
SEBELN TYPE STRING,
SEBELP TYPE STRING,
SPRZNR TYPE STRING,
LSTNR TYPE STRING,
RKOSTL TYPE STRING,
RPROJ TYPE STRING,
RAUFNR TYPE STRING,
RNPLNR TYPE STRING,
RAUFPL TYPE STRING,
RAPLZL TYPE STRING,
RKDAUF TYPE STRING,
RKDPOS TYPE STRING,
RKSTR TYPE STRING,
RPRZNR TYPE STRING,
PAOBJNR TYPE STRING,
FUND TYPE STRING,
FUNC_AREA TYPE STRING,
GRANT_NBR TYPE STRING,
S_FUND TYPE STRING,
S_FUNC_AREA TYPE STRING,
S_GRANT_NBR TYPE STRING,
BUDGET_PD TYPE STRING,
SBUDGET_PD TYPE STRING,
VORNR TYPE STRING,
UVORN TYPE STRING,
BEDID TYPE STRING,
KAPAR TYPE STRING,
ARBPL TYPE STRING,
POSID TYPE STRING,
ARBID TYPE STRING,
WERKS TYPE STRING,
SPLIT TYPE STRING,
LTXA1 TYPE STRING,
FSTAD TYPE STRING,
SSTAD TYPE STRING,
FENDD TYPE STRING,
SENDD TYPE STRING,
KBEAREST TYPE STRING,
VERTL TYPE STRING,
AUTYP TYPE STRING,
KALID TYPE STRING,
RPROJ_EXT TYPE STRING,
CPR_GUID TYPE STRING,
CPR_EXTID TYPE STRING,
CPR_OBJGUID TYPE STRING,
CPR_OBJGEXTID TYPE STRING,
CPR_OBJTYPE TYPE STRING,
CPR_TEXT TYPE STRING,
CPR_OBJTEXT TYPE STRING,
PERASCE TYPE STRING,
PRTXTCE TYPE STRING,
TASKTYPE TYPE STRING,
TASKCOMPONENT TYPE STRING,
DISPTEXTW1 TYPE STRING,
DISPTEXTW2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HCMFAB_S_WORKLIST_DATA_FIELDS_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_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-NAME sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-BEGDA sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-ENDDA sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-SKOSTL sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-LSTAR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-SEBELN sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-SEBELP sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-SPRZNR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-LSTNR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-RKOSTL sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-RPROJ sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-RAUFNR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-RNPLNR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-RAUFPL sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-RAPLZL sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-RKDAUF sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-RKDPOS sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-RKSTR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-RPRZNR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-PAOBJNR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-FUND sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-FUNC_AREA sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-GRANT_NBR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-S_FUND sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-S_FUNC_AREA sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-S_GRANT_NBR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-BUDGET_PD sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-SBUDGET_PD sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-VORNR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-UVORN sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-BEDID sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-KAPAR sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-ARBPL sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-POSID sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-ARBID sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-WERKS sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-SPLIT sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-LTXA1 sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-FSTAD sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-SSTAD sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-FENDD sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-SENDD sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-KBEAREST sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-VERTL sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-AUTYP sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-KALID sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-RPROJ_EXT sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-CPR_GUID sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-CPR_EXTID sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-CPR_OBJGUID sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-CPR_OBJGEXTID sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-CPR_OBJTYPE sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-CPR_TEXT sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-CPR_OBJTEXT sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-PERASCE sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-PRTXTCE sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-TASKTYPE sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-TASKCOMPONENT sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-DISPTEXTW1 sy-vline 
WA_HCMFAB_S_WORKLIST_DATA_FIELDS_STR-DISPTEXTW2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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