ABAP Select data from SAP table ARUN_S_TEMP_ASSIGN_SELECTION into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ARUN_S_TEMP_ASSIGN_SELECTION
*  INTO TABLE @DATA(IT_ARUN_S_TEMP_ASSIGN_SELECTION2).
*--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_ARUN_S_TEMP_ASSIGN_SELECTION INDEX 1 INTO DATA(WA_ARUN_S_TEMP_ASSIGN_SELECTION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ARUN_S_TEMP_ASSIGN_SELECTION>-P_BST5 = 1.
<ARUN_S_TEMP_ASSIGN_SELECTION>-P_QINS5 = 1.
<ARUN_S_TEMP_ASSIGN_SELECTION>-P_RSTR5 = 1.
<ARUN_S_TEMP_ASSIGN_SELECTION>-P_SINT5 = 1.
<ARUN_S_TEMP_ASSIGN_SELECTION>-SO_CDAT1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ARUN_S_TEMP_ASSIGN_SELECTION-SO_DATE, sy-vline,
  WA_ARUN_S_TEMP_ASSIGN_SELECTION-SO_DBLC1, sy-vline,
  WA_ARUN_S_TEMP_ASSIGN_SELECTION-SO_DC1, sy-vline,
  WA_ARUN_S_TEMP_ASSIGN_SELECTION-SO_DDAT2, sy-vline,
  WA_ARUN_S_TEMP_ASSIGN_SELECTION-SO_DIV1, sy-vline,
  WA_ARUN_S_TEMP_ASSIGN_SELECTION-SO_DOCT2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ARUN_S_TEMP_ASSIGN_SELECTION 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_ARUN_S_TEMP_ASSIGN_SELECTION 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_ARUN_S_TEMP_ASSIGN_SELECTION INTO WA_ARUN_S_TEMP_ASSIGN_SELECTION.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_ARUN_S_TEMP_ASSIGN_SELECTION_STR, 
P_BST5 TYPE STRING,
P_QINS5 TYPE STRING,
P_RSTR5 TYPE STRING,
P_SINT5 TYPE STRING,
SO_CDAT1 TYPE STRING,
SO_DATE TYPE STRING,
SO_DBLC1 TYPE STRING,
SO_DC1 TYPE STRING,
SO_DDAT2 TYPE STRING,
SO_DIV1 TYPE STRING,
SO_DOCT2 TYPE STRING,
SO_FDAT6 TYPE STRING,
SO_FPOR6 TYPE STRING,
SO_FPUR6 TYPE STRING,
SO_FRST6 TYPE STRING,
SO_FTYP6 TYPE STRING,
SO_MATNR TYPE STRING,
SO_PORG2 TYPE STRING,
SO_PURG2 TYPE STRING,
SO_RDAT7 TYPE STRING,
SO_RETY7 TYPE STRING,
SO_RPOR4 TYPE STRING,
SO_RPUR4 TYPE STRING,
SO_RRST4 TYPE STRING,
SO_RSTA2 TYPE STRING,
SO_RTYP4 TYPE STRING,
SO_SDAT3 TYPE STRING,
SO_SDTY1 TYPE STRING,
SO_SLOC5 TYPE STRING,
SO_SORG1 TYPE STRING,
SO_STYP3 TYPE STRING,
SO_TBLC1 TYPE STRING,
SO_WERKS TYPE STRING,
SO_NAME8 TYPE STRING,
SO_STS8 TYPE STRING,
P_SO TYPE STRING,
P_PHY TYPE STRING,
P_CON TYPE STRING,
P_PO TYPE STRING,
P_STO TYPE STRING,
P_IBD TYPE STRING,
P_PTO TYPE STRING,
P_MTO TYPE STRING,
P_PRD TYPE STRING,
P_TPO TYPE STRING,
P_PR TYPE STRING,
P_RPO TYPE STRING,
P_PL TYPE STRING,
P_STR TYPE STRING,
P_PC TYPE STRING,
P_PIR TYPE STRING,
P_RSO TYPE STRING,
P_SPO TYPE STRING,
P_RDL TYPE STRING,
P_PPO TYPE STRING,
P_SPR TYPE STRING,
P_PLR TYPE STRING,
P_PP_ON TYPE STRING,
P_SGROUP TYPE STRING,
P_MAXTAK TYPE STRING,
P_NO_RCD TYPE STRING,
P_LOGVAL TYPE STRING,
P_DYNSO TYPE STRING,
P_DYNCD TYPE STRING,
P_SUP TYPE STRING,
P_DSORT TYPE STRING,
SO_RDATE TYPE STRING,
P_DYNRDD TYPE STRING,
SO_SDATE TYPE STRING,
P_DYNSDD TYPE STRING,
P_FPCVP TYPE STRING,
P_FPCDP TYPE STRING,
P_FPCSEG TYPE STRING,
P_TMPCL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ARUN_S_TEMP_ASSIGN_SELECTION_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_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_BST5 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_QINS5 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_RSTR5 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_SINT5 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_CDAT1 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_DATE sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_DBLC1 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_DC1 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_DDAT2 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_DIV1 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_DOCT2 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_FDAT6 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_FPOR6 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_FPUR6 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_FRST6 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_FTYP6 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_MATNR sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_PORG2 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_PURG2 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_RDAT7 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_RETY7 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_RPOR4 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_RPUR4 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_RRST4 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_RSTA2 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_RTYP4 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_SDAT3 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_SDTY1 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_SLOC5 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_SORG1 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_STYP3 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_TBLC1 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_WERKS sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_NAME8 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_STS8 sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_SO sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_PHY sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_CON sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_PO sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_STO sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_IBD sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_PTO sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_MTO sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_PRD sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_TPO sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_PR sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_RPO sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_PL sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_STR sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_PC sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_PIR sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_RSO sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_SPO sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_RDL sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_PPO sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_SPR sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_PLR sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_PP_ON sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_SGROUP sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_MAXTAK sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_NO_RCD sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_LOGVAL sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_DYNSO sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_DYNCD sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_SUP sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_DSORT sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_RDATE sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_DYNRDD sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-SO_SDATE sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_DYNSDD sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_FPCVP sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_FPCDP sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_FPCSEG sy-vline 
WA_ARUN_S_TEMP_ASSIGN_SELECTION_STR-P_TMPCL sy-vline      INTO ld_text SEPARATED BY SPACE.

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