ABAP Select data from SAP table PYC_S_TSK_VR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PYC_S_TSK_VR
*  INTO TABLE @DATA(IT_PYC_S_TSK_VR2).
*--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_PYC_S_TSK_VR INDEX 1 INTO DATA(WA_PYC_S_TSK_VR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PYC_S_TSK_VR>-VR_ID = 1.
<PYC_S_TSK_VR>-VR_TYPE = 1.
<PYC_S_TSK_VR>-MOLGA = 1.
<PYC_S_TSK_VR>-RULE_LOGIC = 1.
<PYC_S_TSK_VR>-ALERT_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PYC_S_TSK_VR-IS_FILTER, sy-vline,
  WA_PYC_S_TSK_VR-IS_LEGACY, sy-vline,
  WA_PYC_S_TSK_VR-ADJUST_ENABLED, sy-vline,
  WA_PYC_S_TSK_VR-ICON, sy-vline,
  WA_PYC_S_TSK_VR-USE_FORMULA, sy-vline,
  WA_PYC_S_TSK_VR-CR_USER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PYC_S_TSK_VR 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_PYC_S_TSK_VR 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_PYC_S_TSK_VR INTO WA_PYC_S_TSK_VR.


*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 CKINP, internal->external for field VR_TYPE
CALL FUNCTION 'CONVERSION_EXIT_CKINP_OUTPUT'
  EXPORTING
    input =                      WA_PYC_S_TSK_VR-VR_TYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PYC_S_TSK_VR-VR_TYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRSL
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_PYC_S_TSK_VR-SPRSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PYC_S_TSK_VR-SPRSL.
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_PYC_S_TSK_VR_STR, 
VR_ID TYPE STRING,
VR_TYPE TYPE STRING,
MOLGA TYPE STRING,
RULE_LOGIC TYPE STRING,
ALERT_TYPE TYPE STRING,
IS_FILTER TYPE STRING,
IS_LEGACY TYPE STRING,
ADJUST_ENABLED TYPE STRING,
ICON TYPE STRING,
USE_FORMULA TYPE STRING,
CR_USER TYPE STRING,
CR_DT TYPE STRING,
LC_USER TYPE STRING,
LC_DT TYPE STRING,
STATUS_ID TYPE STRING,
SPRSL TYPE STRING,
NAME TYPE STRING,
TR_ID TYPE STRING,
TR_NAME TYPE STRING,
TR_ENABLE TYPE STRING,
TR_CHECK_RES TYPE STRING,
REF_ID TYPE STRING,
EDIT_MODE_1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PYC_S_TSK_VR_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_PYC_S_TSK_VR_STR-VR_ID sy-vline 
WA_PYC_S_TSK_VR_STR-VR_TYPE sy-vline 
WA_PYC_S_TSK_VR_STR-MOLGA sy-vline 
WA_PYC_S_TSK_VR_STR-RULE_LOGIC sy-vline 
WA_PYC_S_TSK_VR_STR-ALERT_TYPE sy-vline 
WA_PYC_S_TSK_VR_STR-IS_FILTER sy-vline 
WA_PYC_S_TSK_VR_STR-IS_LEGACY sy-vline 
WA_PYC_S_TSK_VR_STR-ADJUST_ENABLED sy-vline 
WA_PYC_S_TSK_VR_STR-ICON sy-vline 
WA_PYC_S_TSK_VR_STR-USE_FORMULA sy-vline 
WA_PYC_S_TSK_VR_STR-CR_USER sy-vline 
WA_PYC_S_TSK_VR_STR-CR_DT sy-vline 
WA_PYC_S_TSK_VR_STR-LC_USER sy-vline 
WA_PYC_S_TSK_VR_STR-LC_DT sy-vline 
WA_PYC_S_TSK_VR_STR-STATUS_ID sy-vline 
WA_PYC_S_TSK_VR_STR-SPRSL sy-vline 
WA_PYC_S_TSK_VR_STR-NAME sy-vline 
WA_PYC_S_TSK_VR_STR-TR_ID sy-vline 
WA_PYC_S_TSK_VR_STR-TR_NAME sy-vline 
WA_PYC_S_TSK_VR_STR-TR_ENABLE sy-vline 
WA_PYC_S_TSK_VR_STR-TR_CHECK_RES sy-vline 
WA_PYC_S_TSK_VR_STR-REF_ID sy-vline 
WA_PYC_S_TSK_VR_STR-EDIT_MODE_1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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