ABAP Select data from SAP table EPROF_DELV_IN_ARCH_DISPLAY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EPROF_DELV_IN_ARCH_DISPLAY
*  INTO TABLE @DATA(IT_EPROF_DELV_IN_ARCH_DISPLAY2).
*--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_EPROF_DELV_IN_ARCH_DISPLAY INDEX 1 INTO DATA(WA_EPROF_DELV_IN_ARCH_DISPLAY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EPROF_DELV_IN_ARCH_DISPLAY>-PRINT_DOC = 1.
<EPROF_DELV_IN_ARCH_DISPLAY>-FLAG_REV = 1.
<EPROF_DELV_IN_ARCH_DISPLAY>-FRANCH_ID = 1.
<EPROF_DELV_IN_ARCH_DISPLAY>-GRID_ID = 1.
<EPROF_DELV_IN_ARCH_DISPLAY>-ISSUE_DATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EPROF_DELV_IN_ARCH_DISPLAY-SCH_DEL_DATE, sy-vline,
  WA_EPROF_DELV_IN_ARCH_DISPLAY-ACTUAL_DEL_DATE, sy-vline,
  WA_EPROF_DELV_IN_ARCH_DISPLAY-REC_NAME, sy-vline,
  WA_EPROF_DELV_IN_ARCH_DISPLAY-PHONE_NUM, sy-vline,
  WA_EPROF_DELV_IN_ARCH_DISPLAY-REV_DATE, sy-vline,
  WA_EPROF_DELV_IN_ARCH_DISPLAY-CHANGD_BY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EPROF_DELV_IN_ARCH_DISPLAY 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_EPROF_DELV_IN_ARCH_DISPLAY 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_EPROF_DELV_IN_ARCH_DISPLAY INTO WA_EPROF_DELV_IN_ARCH_DISPLAY.


*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 PRINT_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_EPROF_DELV_IN_ARCH_DISPLAY-PRINT_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EPROF_DELV_IN_ARCH_DISPLAY-PRINT_DOC.
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_EPROF_DELV_IN_ARCH_DISPLAY_STR, 
PRINT_DOC TYPE STRING,
FLAG_REV TYPE STRING,
FRANCH_ID TYPE STRING,
GRID_ID TYPE STRING,
ISSUE_DATE TYPE STRING,
SCH_DEL_DATE TYPE STRING,
ACTUAL_DEL_DATE TYPE STRING,
REC_NAME TYPE STRING,
PHONE_NUM TYPE STRING,
REV_DATE TYPE STRING,
CHANGD_BY TYPE STRING,
CHANG_DATE TYPE STRING,
CHANGD_AT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EPROF_DELV_IN_ARCH_DISPLAY_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_EPROF_DELV_IN_ARCH_DISPLAY_STR-PRINT_DOC sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-FLAG_REV sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-FRANCH_ID sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-GRID_ID sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-ISSUE_DATE sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-SCH_DEL_DATE sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-ACTUAL_DEL_DATE sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-REC_NAME sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-PHONE_NUM sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-REV_DATE sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-CHANGD_BY sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-CHANG_DATE sy-vline 
WA_EPROF_DELV_IN_ARCH_DISPLAY_STR-CHANGD_AT sy-vline      INTO ld_text SEPARATED BY SPACE.

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