ABAP Select data from SAP table V_5G10_D into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_5G10_D 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 V_5G10_D. 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 V_5G10_D 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_V_5G10_D TYPE STANDARD TABLE OF V_5G10_D,
      WA_V_5G10_D TYPE V_5G10_D,
      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: <V_5G10_D> TYPE V_5G10_D.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_5G10_D.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_5G10_D
  INTO TABLE IT_V_5G10_D.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_5G10_D
*  INTO TABLE @DATA(IT_V_5G10_D2).
*--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_V_5G10_D INDEX 1 INTO DATA(WA_V_5G10_D2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_5G10_D ASSIGNING <V_5G10_D>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_5G10_D>-MANDT = 1.
<V_5G10_D>-SCREF = 1.
<V_5G10_D>-ENDDA = 1.
<V_5G10_D>-BEGDA = 1.
<V_5G10_D>-PTYPE = 1.

ENDLOOP.

LOOP AT IT_V_5G10_D INTO WA_V_5G10_D.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_5G10_D-NETPC, sy-vline,
  WA_V_5G10_D-HOLCL, sy-vline,
  WA_V_5G10_D-LOLEV, sy-vline,
  WA_V_5G10_D-UPLEV, sy-vline,
  WA_V_5G10_D-PCTEE, sy-vline,
  WA_V_5G10_D-PCTER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_5G10_D 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_V_5G10_D 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_V_5G10_D INTO WA_V_5G10_D.


*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_V_5G10_D_STR, 
MANDT TYPE STRING,
SCREF TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
PTYPE TYPE STRING,
NETPC TYPE STRING,
HOLCL TYPE STRING,
LOLEV TYPE STRING,
UPLEV TYPE STRING,
PCTEE TYPE STRING,
PCTER TYPE STRING,
PCMEE TYPE STRING,
PCMER TYPE STRING,
PCHIE TYPE STRING,
PCHIR TYPE STRING,
FTREE TYPE STRING,
FTRER TYPE STRING,
FTMEE TYPE STRING,
FTMER TYPE STRING,
FTHEE TYPE STRING,
FTHER TYPE STRING,
COMNT TYPE STRING,
CODAY TYPE STRING,
SCNAM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_5G10_D_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_V_5G10_D_STR-MANDT sy-vline 
WA_V_5G10_D_STR-SCREF sy-vline 
WA_V_5G10_D_STR-ENDDA sy-vline 
WA_V_5G10_D_STR-BEGDA sy-vline 
WA_V_5G10_D_STR-PTYPE sy-vline 
WA_V_5G10_D_STR-NETPC sy-vline 
WA_V_5G10_D_STR-HOLCL sy-vline 
WA_V_5G10_D_STR-LOLEV sy-vline 
WA_V_5G10_D_STR-UPLEV sy-vline 
WA_V_5G10_D_STR-PCTEE sy-vline 
WA_V_5G10_D_STR-PCTER sy-vline 
WA_V_5G10_D_STR-PCMEE sy-vline 
WA_V_5G10_D_STR-PCMER sy-vline 
WA_V_5G10_D_STR-PCHIE sy-vline 
WA_V_5G10_D_STR-PCHIR sy-vline 
WA_V_5G10_D_STR-FTREE sy-vline 
WA_V_5G10_D_STR-FTRER sy-vline 
WA_V_5G10_D_STR-FTMEE sy-vline 
WA_V_5G10_D_STR-FTMER sy-vline 
WA_V_5G10_D_STR-FTHEE sy-vline 
WA_V_5G10_D_STR-FTHER sy-vline 
WA_V_5G10_D_STR-COMNT sy-vline 
WA_V_5G10_D_STR-CODAY sy-vline 
WA_V_5G10_D_STR-SCNAM sy-vline      INTO ld_text SEPARATED BY SPACE.

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