ABAP Select data from SAP table DAC_S_TRACE_4083 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP DAC_S_TRACE_4083 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 DAC_S_TRACE_4083. 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 DAC_S_TRACE_4083 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_DAC_S_TRACE_4083 TYPE STANDARD TABLE OF DAC_S_TRACE_4083,
      WA_DAC_S_TRACE_4083 TYPE DAC_S_TRACE_4083,
      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: <DAC_S_TRACE_4083> TYPE DAC_S_TRACE_4083.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_DAC_S_TRACE_4083.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM DAC_S_TRACE_4083
  INTO TABLE IT_DAC_S_TRACE_4083.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DAC_S_TRACE_4083
*  INTO TABLE @DATA(IT_DAC_S_TRACE_40832).
*--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_DAC_S_TRACE_4083 INDEX 1 INTO DATA(WA_DAC_S_TRACE_40832).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_DAC_S_TRACE_4083 ASSIGNING <DAC_S_TRACE_4083>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DAC_S_TRACE_4083>-INSPECTIONLOT = 1.
<DAC_S_TRACE_4083>-MATERIAL = 1.
<DAC_S_TRACE_4083>-MATERIALNAME = 1.
<DAC_S_TRACE_4083>-PLANT = 1.
<DAC_S_TRACE_4083>-INSPECTIONOPERATION = 1.

ENDLOOP.

LOOP AT IT_DAC_S_TRACE_4083 INTO WA_DAC_S_TRACE_4083.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DAC_S_TRACE_4083-OPERATIONTEXT, sy-vline,
  WA_DAC_S_TRACE_4083-INSPECTIONCHARACTERISTIC, sy-vline,
  WA_DAC_S_TRACE_4083-INSPECTIONSPECIFICATIONTEXT, sy-vline,
  WA_DAC_S_TRACE_4083-WORKCENTER, sy-vline,
  WA_DAC_S_TRACE_4083-WORKCENTERTEXT, sy-vline,
  WA_DAC_S_TRACE_4083-CREATIONDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DAC_S_TRACE_4083 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_DAC_S_TRACE_4083 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_DAC_S_TRACE_4083 INTO WA_DAC_S_TRACE_4083.


*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 INSPECTIONLOT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_DAC_S_TRACE_4083-INSPECTIONLOT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DAC_S_TRACE_4083-INSPECTIONLOT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_DAC_S_TRACE_4083-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DAC_S_TRACE_4083-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field INSPECTIONOPERATION
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_DAC_S_TRACE_4083-INSPECTIONOPERATION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_DAC_S_TRACE_4083-INSPECTIONOPERATION.
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_DAC_S_TRACE_4083_STR, 
INSPECTIONLOT TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
PLANT TYPE STRING,
INSPECTIONOPERATION TYPE STRING,
OPERATIONTEXT TYPE STRING,
INSPECTIONCHARACTERISTIC TYPE STRING,
INSPECTIONSPECIFICATIONTEXT TYPE STRING,
WORKCENTER TYPE STRING,
WORKCENTERTEXT TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONTIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEDATE TYPE STRING,
CHANGEDTIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DAC_S_TRACE_4083_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_DAC_S_TRACE_4083_STR-INSPECTIONLOT sy-vline 
WA_DAC_S_TRACE_4083_STR-MATERIAL sy-vline 
WA_DAC_S_TRACE_4083_STR-MATERIALNAME sy-vline 
WA_DAC_S_TRACE_4083_STR-PLANT sy-vline 
WA_DAC_S_TRACE_4083_STR-INSPECTIONOPERATION sy-vline 
WA_DAC_S_TRACE_4083_STR-OPERATIONTEXT sy-vline 
WA_DAC_S_TRACE_4083_STR-INSPECTIONCHARACTERISTIC sy-vline 
WA_DAC_S_TRACE_4083_STR-INSPECTIONSPECIFICATIONTEXT sy-vline 
WA_DAC_S_TRACE_4083_STR-WORKCENTER sy-vline 
WA_DAC_S_TRACE_4083_STR-WORKCENTERTEXT sy-vline 
WA_DAC_S_TRACE_4083_STR-CREATIONDATE sy-vline 
WA_DAC_S_TRACE_4083_STR-CREATIONTIME sy-vline 
WA_DAC_S_TRACE_4083_STR-CREATEDBYUSER sy-vline 
WA_DAC_S_TRACE_4083_STR-LASTCHANGEDATE sy-vline 
WA_DAC_S_TRACE_4083_STR-CHANGEDTIME sy-vline 
WA_DAC_S_TRACE_4083_STR-LASTCHANGEDBYUSER sy-vline      INTO ld_text SEPARATED BY SPACE.

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