ABAP Select data from SAP table ETPVAR_OUT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ETPVAR_OUT
*  INTO TABLE @DATA(IT_ETPVAR_OUT2).
*--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_ETPVAR_OUT INDEX 1 INTO DATA(WA_ETPVAR_OUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ETPVAR_OUT>-VINDEX = 1.
<ETPVAR_OUT>-VAR_NAME = 1.
<ETPVAR_OUT>-VAR_DESC = 1.
<ETPVAR_OUT>-SORTLNR = 1.
<ETPVAR_OUT>-SEL_EXEC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ETPVAR_OUT-ATTACHMENT, sy-vline,
  WA_ETPVAR_OUT-VALUE1, sy-vline,
  WA_ETPVAR_OUT-VAL_TYPE1, sy-vline,
  WA_ETPVAR_OUT-VALUE2, sy-vline,
  WA_ETPVAR_OUT-VAL_TYPE2, sy-vline,
  WA_ETPVAR_OUT-VALUE3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ETPVAR_OUT 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_ETPVAR_OUT 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_ETPVAR_OUT INTO WA_ETPVAR_OUT.


*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_ETPVAR_OUT_STR, 
VINDEX TYPE STRING,
VAR_NAME TYPE STRING,
VAR_DESC TYPE STRING,
SORTLNR TYPE STRING,
SEL_EXEC TYPE STRING,
ATTACHMENT TYPE STRING,
VALUE1 TYPE STRING,
VAL_TYPE1 TYPE STRING,
VALUE2 TYPE STRING,
VAL_TYPE2 TYPE STRING,
VALUE3 TYPE STRING,
VAL_TYPE3 TYPE STRING,
VALUE4 TYPE STRING,
VAL_TYPE4 TYPE STRING,
VALUE5 TYPE STRING,
VAL_TYPE5 TYPE STRING,
VALUE6 TYPE STRING,
VAL_TYPE6 TYPE STRING,
VALUE7 TYPE STRING,
VAL_TYPE7 TYPE STRING,
VALUE8 TYPE STRING,
VAL_TYPE8 TYPE STRING,
VALUE9 TYPE STRING,
VAL_TYPE9 TYPE STRING,
VALUE10 TYPE STRING,
VAL_TYPE10 TYPE STRING,
VALUE11 TYPE STRING,
VAL_TYPE11 TYPE STRING,
VALUE12 TYPE STRING,
VAL_TYPE12 TYPE STRING,
VALUE13 TYPE STRING,
VAL_TYPE13 TYPE STRING,
VALUE14 TYPE STRING,
VAL_TYPE14 TYPE STRING,
VALUE15 TYPE STRING,
VAL_TYPE15 TYPE STRING,
VALUE16 TYPE STRING,
VAL_TYPE16 TYPE STRING,
VALUE17 TYPE STRING,
VAL_TYPE17 TYPE STRING,
VALUE18 TYPE STRING,
VAL_TYPE18 TYPE STRING,
VALUE19 TYPE STRING,
VAL_TYPE19 TYPE STRING,
VALUE20 TYPE STRING,
VAL_TYPE20 TYPE STRING,
VALUE21 TYPE STRING,
VAL_TYPE21 TYPE STRING,
VALUE22 TYPE STRING,
VAL_TYPE22 TYPE STRING,
VALUE23 TYPE STRING,
VAL_TYPE23 TYPE STRING,
VALUE24 TYPE STRING,
VAL_TYPE24 TYPE STRING,
VALUE25 TYPE STRING,
VAL_TYPE25 TYPE STRING,
VALUE26 TYPE STRING,
VAL_TYPE26 TYPE STRING,
VALUE27 TYPE STRING,
VAL_TYPE27 TYPE STRING,
VALUE28 TYPE STRING,
VAL_TYPE28 TYPE STRING,
VALUE29 TYPE STRING,
VAL_TYPE29 TYPE STRING,
VALUE30 TYPE STRING,
VAL_TYPE30 TYPE STRING,
HANDLSTYLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ETPVAR_OUT_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_ETPVAR_OUT_STR-VINDEX sy-vline 
WA_ETPVAR_OUT_STR-VAR_NAME sy-vline 
WA_ETPVAR_OUT_STR-VAR_DESC sy-vline 
WA_ETPVAR_OUT_STR-SORTLNR sy-vline 
WA_ETPVAR_OUT_STR-SEL_EXEC sy-vline 
WA_ETPVAR_OUT_STR-ATTACHMENT sy-vline 
WA_ETPVAR_OUT_STR-VALUE1 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE1 sy-vline 
WA_ETPVAR_OUT_STR-VALUE2 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE2 sy-vline 
WA_ETPVAR_OUT_STR-VALUE3 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE3 sy-vline 
WA_ETPVAR_OUT_STR-VALUE4 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE4 sy-vline 
WA_ETPVAR_OUT_STR-VALUE5 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE5 sy-vline 
WA_ETPVAR_OUT_STR-VALUE6 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE6 sy-vline 
WA_ETPVAR_OUT_STR-VALUE7 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE7 sy-vline 
WA_ETPVAR_OUT_STR-VALUE8 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE8 sy-vline 
WA_ETPVAR_OUT_STR-VALUE9 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE9 sy-vline 
WA_ETPVAR_OUT_STR-VALUE10 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE10 sy-vline 
WA_ETPVAR_OUT_STR-VALUE11 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE11 sy-vline 
WA_ETPVAR_OUT_STR-VALUE12 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE12 sy-vline 
WA_ETPVAR_OUT_STR-VALUE13 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE13 sy-vline 
WA_ETPVAR_OUT_STR-VALUE14 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE14 sy-vline 
WA_ETPVAR_OUT_STR-VALUE15 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE15 sy-vline 
WA_ETPVAR_OUT_STR-VALUE16 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE16 sy-vline 
WA_ETPVAR_OUT_STR-VALUE17 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE17 sy-vline 
WA_ETPVAR_OUT_STR-VALUE18 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE18 sy-vline 
WA_ETPVAR_OUT_STR-VALUE19 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE19 sy-vline 
WA_ETPVAR_OUT_STR-VALUE20 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE20 sy-vline 
WA_ETPVAR_OUT_STR-VALUE21 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE21 sy-vline 
WA_ETPVAR_OUT_STR-VALUE22 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE22 sy-vline 
WA_ETPVAR_OUT_STR-VALUE23 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE23 sy-vline 
WA_ETPVAR_OUT_STR-VALUE24 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE24 sy-vline 
WA_ETPVAR_OUT_STR-VALUE25 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE25 sy-vline 
WA_ETPVAR_OUT_STR-VALUE26 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE26 sy-vline 
WA_ETPVAR_OUT_STR-VALUE27 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE27 sy-vline 
WA_ETPVAR_OUT_STR-VALUE28 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE28 sy-vline 
WA_ETPVAR_OUT_STR-VALUE29 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE29 sy-vline 
WA_ETPVAR_OUT_STR-VALUE30 sy-vline 
WA_ETPVAR_OUT_STR-VAL_TYPE30 sy-vline 
WA_ETPVAR_OUT_STR-HANDLSTYLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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