ABAP Select data from SAP table /ACCGO/S_DGR_DPQS_SIMUL_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/S_DGR_DPQS_SIMUL_DATA 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 /ACCGO/S_DGR_DPQS_SIMUL_DATA. 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 /ACCGO/S_DGR_DPQS_SIMUL_DATA 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_/ACCGO/S_DGR_DPQS_SIMUL_DATA TYPE STANDARD TABLE OF /ACCGO/S_DGR_DPQS_SIMUL_DATA,
      WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA TYPE /ACCGO/S_DGR_DPQS_SIMUL_DATA,
      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: </ACCGO/S_DGR_DPQS_SIMUL_DATA> TYPE /ACCGO/S_DGR_DPQS_SIMUL_DATA.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ACCGO/S_DGR_DPQS_SIMUL_DATA
  INTO TABLE IT_/ACCGO/S_DGR_DPQS_SIMUL_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/S_DGR_DPQS_SIMUL_DATA
*  INTO TABLE @DATA(IT_/ACCGO/S_DGR_DPQS_SIMUL_DATA2).
*--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_/ACCGO/S_DGR_DPQS_SIMUL_DATA INDEX 1 INTO DATA(WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ACCGO/S_DGR_DPQS_SIMUL_DATA ASSIGNING </ACCGO/S_DGR_DPQS_SIMUL_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/S_DGR_DPQS_SIMUL_DATA>-MANDT = 1.
</ACCGO/S_DGR_DPQS_SIMUL_DATA>-COMPANYCODE = 1.
</ACCGO/S_DGR_DPQS_SIMUL_DATA>-COMMODITY = 1.
</ACCGO/S_DGR_DPQS_SIMUL_DATA>-MATERIAL = 1.
</ACCGO/S_DGR_DPQS_SIMUL_DATA>-PLANT = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/S_DGR_DPQS_SIMUL_DATA INTO WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA-PLANTGROUP, sy-vline,
  WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA-DISCPREMQTYSCHEDULEUNIQUEID, sy-vline,
  WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA-DISCPREMQTYSCHEDULEVERSION, sy-vline,
  WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA-DPQSVALIDITYVERSION, sy-vline,
  WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA-VS1DPQS, sy-vline,
  WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA-VS1DPQSVERSION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA 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_/ACCGO/S_DGR_DPQS_SIMUL_DATA 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_/ACCGO/S_DGR_DPQS_SIMUL_DATA INTO WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA.


*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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA-MATERIAL.
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_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
COMMODITY TYPE STRING,
MATERIAL TYPE STRING,
PLANT TYPE STRING,
PLANTGROUP TYPE STRING,
DISCPREMQTYSCHEDULEUNIQUEID TYPE STRING,
DISCPREMQTYSCHEDULEVERSION TYPE STRING,
DPQSVALIDITYVERSION TYPE STRING,
VS1DPQS TYPE STRING,
VS1DPQSVERSION TYPE STRING,
VS1DPQSVALIDITYVERSION TYPE STRING,
VS2DPQS TYPE STRING,
VS2DPQSVERSION TYPE STRING,
VS2DPQSVALIDITYVERSION TYPE STRING,
VS3DPQS TYPE STRING,
VS3DPQSVERSION TYPE STRING,
VS3DPQSVALIDITYVERSION TYPE STRING,
VS4DPQS TYPE STRING,
VS4DPQSVERSION TYPE STRING,
VS4DPQSVALIDITYVERSION TYPE STRING,
VS5DPQS TYPE STRING,
VS5DPQSVERSION TYPE STRING,
VS5DPQSVALIDITYVERSION TYPE STRING,
VS6DPQS TYPE STRING,
VS6DPQSVERSION TYPE STRING,
VS6DPQSVALIDITYVERSION TYPE STRING,
VS7DPQS TYPE STRING,
VS7DPQSVERSION TYPE STRING,
VS7DPQSVALIDITYVERSION TYPE STRING,
VS8DPQS TYPE STRING,
VS8DPQSVERSION TYPE STRING,
VS8DPQSVALIDITYVERSION TYPE STRING,
ACCESSSEQNUM TYPE STRING,
SCHEDULE_NAME TYPE STRING,
ACCESSSEQNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_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_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-MANDT sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-COMPANYCODE sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-COMMODITY sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-MATERIAL sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-PLANT sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-PLANTGROUP sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-DISCPREMQTYSCHEDULEUNIQUEID sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-DISCPREMQTYSCHEDULEVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-DPQSVALIDITYVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS1DPQS sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS1DPQSVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS1DPQSVALIDITYVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS2DPQS sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS2DPQSVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS2DPQSVALIDITYVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS3DPQS sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS3DPQSVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS3DPQSVALIDITYVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS4DPQS sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS4DPQSVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS4DPQSVALIDITYVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS5DPQS sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS5DPQSVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS5DPQSVALIDITYVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS6DPQS sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS6DPQSVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS6DPQSVALIDITYVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS7DPQS sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS7DPQSVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS7DPQSVALIDITYVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS8DPQS sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS8DPQSVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-VS8DPQSVALIDITYVERSION sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-ACCESSSEQNUM sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-SCHEDULE_NAME sy-vline 
WA_/ACCGO/S_DGR_DPQS_SIMUL_DATA_STR-ACCESSSEQNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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