ABAP Select data from SAP table SPRXT_PROXY_SAMPLES_CHOICE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SPRXT_PROXY_SAMPLES_CHOICE
*  INTO TABLE @DATA(IT_SPRXT_PROXY_SAMPLES_CHOICE2).
*--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_SPRXT_PROXY_SAMPLES_CHOICE INDEX 1 INTO DATA(WA_SPRXT_PROXY_SAMPLES_CHOICE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SPRXT_PROXY_SAMPLES_CHOICE>-SELECTION = 1.
<SPRXT_PROXY_SAMPLES_CHOICE>-CONTROLLER = 1.
<SPRXT_PROXY_SAMPLES_CHOICE>-C0E0 = 1.
<SPRXT_PROXY_SAMPLES_CHOICE>-C0E1 = 1.
<SPRXT_PROXY_SAMPLES_CHOICE>-C0E2 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SPRXT_PROXY_SAMPLES_CHOICE-CONTROLLER, sy-vline,
  WA_SPRXT_PROXY_SAMPLES_CHOICE-XE0, sy-vline,
  WA_SPRXT_PROXY_SAMPLES_CHOICE-XE1, sy-vline,
  WA_SPRXT_PROXY_SAMPLES_CHOICE-XE2, sy-vline,
  WA_SPRXT_PROXY_SAMPLES_CHOICE-CONTROLLER, sy-vline,
  WA_SPRXT_PROXY_SAMPLES_CHOICE-XE2A, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SPRXT_PROXY_SAMPLES_CHOICE 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_SPRXT_PROXY_SAMPLES_CHOICE 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_SPRXT_PROXY_SAMPLES_CHOICE INTO WA_SPRXT_PROXY_SAMPLES_CHOICE.


*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_SPRXT_PROXY_SAMPLES_CHOICE_STR, 
SELECTION TYPE STRING,
CONTROLLER TYPE STRING,
C0E0 TYPE STRING,
C0E1 TYPE STRING,
C0E2 TYPE STRING,
CONTROLLER TYPE STRING,
XE0 TYPE STRING,
XE1 TYPE STRING,
XE2 TYPE STRING,
CONTROLLER TYPE STRING,
XE2A TYPE STRING,
XE2B TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SPRXT_PROXY_SAMPLES_CHOICE_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_SPRXT_PROXY_SAMPLES_CHOICE_STR-SELECTION sy-vline 
WA_SPRXT_PROXY_SAMPLES_CHOICE_STR-CONTROLLER sy-vline 
WA_SPRXT_PROXY_SAMPLES_CHOICE_STR-C0E0 sy-vline 
WA_SPRXT_PROXY_SAMPLES_CHOICE_STR-C0E1 sy-vline 
WA_SPRXT_PROXY_SAMPLES_CHOICE_STR-C0E2 sy-vline 
WA_SPRXT_PROXY_SAMPLES_CHOICE_STR-CONTROLLER sy-vline 
WA_SPRXT_PROXY_SAMPLES_CHOICE_STR-XE0 sy-vline 
WA_SPRXT_PROXY_SAMPLES_CHOICE_STR-XE1 sy-vline 
WA_SPRXT_PROXY_SAMPLES_CHOICE_STR-XE2 sy-vline 
WA_SPRXT_PROXY_SAMPLES_CHOICE_STR-CONTROLLER sy-vline 
WA_SPRXT_PROXY_SAMPLES_CHOICE_STR-XE2A sy-vline 
WA_SPRXT_PROXY_SAMPLES_CHOICE_STR-XE2B sy-vline      INTO ld_text SEPARATED BY SPACE.

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