ABAP Select data from SAP table DPR_TS_CHECKLIST_ITEM_ATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DPR_TS_CHECKLIST_ITEM_ATTR
*  INTO TABLE @DATA(IT_DPR_TS_CHECKLIST_ITEM_ATTR2).
*--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_DPR_TS_CHECKLIST_ITEM_ATTR INDEX 1 INTO DATA(WA_DPR_TS_CHECKLIST_ITEM_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DPR_TS_CHECKLIST_ITEM_ATTR>-CL_ITEM_ID = 1.
<DPR_TS_CHECKLIST_ITEM_ATTR>-SORT_NUMBER = 1.
<DPR_TS_CHECKLIST_ITEM_ATTR>-VERSION_NUMBER = 1.
<DPR_TS_CHECKLIST_ITEM_ATTR>-GROUPING = 1.
<DPR_TS_CHECKLIST_ITEM_ATTR>-SEARCH_FIELD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DPR_TS_CHECKLIST_ITEM_ATTR-MASTER_LANGUAGE, sy-vline,
  WA_DPR_TS_CHECKLIST_ITEM_ATTR-TEMPLATE_GUID, sy-vline,
  WA_DPR_TS_CHECKLIST_ITEM_ATTR-CHANGEABILITY, sy-vline,
  WA_DPR_TS_CHECKLIST_ITEM_ATTR-OK, sy-vline,
  WA_DPR_TS_CHECKLIST_ITEM_ATTR-NOK, sy-vline,
  WA_DPR_TS_CHECKLIST_ITEM_ATTR-NOT_RELEVANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DPR_TS_CHECKLIST_ITEM_ATTR 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_DPR_TS_CHECKLIST_ITEM_ATTR 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_DPR_TS_CHECKLIST_ITEM_ATTR INTO WA_DPR_TS_CHECKLIST_ITEM_ATTR.


*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 ISOLA, internal->external for field MASTER_LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_DPR_TS_CHECKLIST_ITEM_ATTR-MASTER_LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DPR_TS_CHECKLIST_ITEM_ATTR-MASTER_LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit DPRCE, internal->external for field TEMPLATE_GUID
CALL FUNCTION 'CONVERSION_EXIT_DPRCE_OUTPUT'
  EXPORTING
    input =                      WA_DPR_TS_CHECKLIST_ITEM_ATTR-TEMPLATE_GUID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DPR_TS_CHECKLIST_ITEM_ATTR-TEMPLATE_GUID.
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_DPR_TS_CHECKLIST_ITEM_ATTR_STR, 
CL_ITEM_ID TYPE STRING,
SORT_NUMBER TYPE STRING,
VERSION_NUMBER TYPE STRING,
GROUPING TYPE STRING,
SEARCH_FIELD TYPE STRING,
MASTER_LANGUAGE TYPE STRING,
TEMPLATE_GUID TYPE STRING,
CHANGEABILITY TYPE STRING,
OK TYPE STRING,
NOK TYPE STRING,
NOT_RELEVANT TYPE STRING,
OBLIGATORY TYPE STRING,
APP_RELEVANT TYPE STRING,
PROCESS TYPE STRING,
SEVERITY TYPE STRING,
OCCURENCE TYPE STRING,
DETECTION TYPE STRING,
RPN TYPE STRING,
STAT_PROFILE_CLI TYPE STRING,
SCHEDULE_IND TYPE STRING,
DURATION_ZERO_INDICATOR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DPR_TS_CHECKLIST_ITEM_ATTR_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_DPR_TS_CHECKLIST_ITEM_ATTR_STR-CL_ITEM_ID sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-SORT_NUMBER sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-VERSION_NUMBER sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-GROUPING sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-SEARCH_FIELD sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-MASTER_LANGUAGE sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-TEMPLATE_GUID sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-CHANGEABILITY sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-OK sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-NOK sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-NOT_RELEVANT sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-OBLIGATORY sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-APP_RELEVANT sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-PROCESS sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-SEVERITY sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-OCCURENCE sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-DETECTION sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-RPN sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-STAT_PROFILE_CLI sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-SCHEDULE_IND sy-vline 
WA_DPR_TS_CHECKLIST_ITEM_ATTR_STR-DURATION_ZERO_INDICATOR sy-vline      INTO ld_text SEPARATED BY SPACE.

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