ABAP Select data from SAP table EPROFVERSHEAD_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EPROFVERSHEAD_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 EPROFVERSHEAD_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 EPROFVERSHEAD_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_EPROFVERSHEAD_DATA TYPE STANDARD TABLE OF EPROFVERSHEAD_DATA,
      WA_EPROFVERSHEAD_DATA TYPE EPROFVERSHEAD_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: <EPROFVERSHEAD_DATA> TYPE EPROFVERSHEAD_DATA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EPROFVERSHEAD_DATA
*  INTO TABLE @DATA(IT_EPROFVERSHEAD_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_EPROFVERSHEAD_DATA INDEX 1 INTO DATA(WA_EPROFVERSHEAD_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EPROFVERSHEAD_DATA>-DATEFROM = 1.
<EPROFVERSHEAD_DATA>-TIMEFROM = 1.
<EPROFVERSHEAD_DATA>-DATETO = 1.
<EPROFVERSHEAD_DATA>-TIMETO = 1.
<EPROFVERSHEAD_DATA>-VERSDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EPROFVERSHEAD_DATA-VERSTIME, sy-vline,
  WA_EPROFVERSHEAD_DATA-VERSZONLO, sy-vline,
  WA_EPROFVERSHEAD_DATA-VERSBUILDER, sy-vline,
  WA_EPROFVERSHEAD_DATA-PROFVERSNO, sy-vline,
  WA_EPROFVERSHEAD_DATA-VERSREASON, sy-vline,
  WA_EPROFVERSHEAD_DATA-VERSDELETED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EPROFVERSHEAD_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_EPROFVERSHEAD_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_EPROFVERSHEAD_DATA INTO WA_EPROFVERSHEAD_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.
ENDFORM. 

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

TYPES: BEGIN OF T_EPROFVERSHEAD_DATA_STR, 
DATEFROM TYPE STRING,
TIMEFROM TYPE STRING,
DATETO TYPE STRING,
TIMETO TYPE STRING,
VERSDATE TYPE STRING,
VERSTIME TYPE STRING,
VERSZONLO TYPE STRING,
VERSBUILDER TYPE STRING,
PROFVERSNO TYPE STRING,
VERSREASON TYPE STRING,
VERSDELETED TYPE STRING,
VERSDESCR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EPROFVERSHEAD_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_EPROFVERSHEAD_DATA_STR-DATEFROM sy-vline 
WA_EPROFVERSHEAD_DATA_STR-TIMEFROM sy-vline 
WA_EPROFVERSHEAD_DATA_STR-DATETO sy-vline 
WA_EPROFVERSHEAD_DATA_STR-TIMETO sy-vline 
WA_EPROFVERSHEAD_DATA_STR-VERSDATE sy-vline 
WA_EPROFVERSHEAD_DATA_STR-VERSTIME sy-vline 
WA_EPROFVERSHEAD_DATA_STR-VERSZONLO sy-vline 
WA_EPROFVERSHEAD_DATA_STR-VERSBUILDER sy-vline 
WA_EPROFVERSHEAD_DATA_STR-PROFVERSNO sy-vline 
WA_EPROFVERSHEAD_DATA_STR-VERSREASON sy-vline 
WA_EPROFVERSHEAD_DATA_STR-VERSDELETED sy-vline 
WA_EPROFVERSHEAD_DATA_STR-VERSDESCR sy-vline      INTO ld_text SEPARATED BY SPACE.

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