ABAP Select data from SAP table IDFIVATV_SECT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDFIVATV_SECT
*  INTO TABLE @DATA(IT_IDFIVATV_SECT2).
*--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_IDFIVATV_SECT INDEX 1 INTO DATA(WA_IDFIVATV_SECT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDFIVATV_SECT>-MANDT = 1.
<IDFIVATV_SECT>-DECL_CTRY = 1.
<IDFIVATV_SECT>-TBUKRS = 1.
<IDFIVATV_SECT>-VERSION = 1.
<IDFIVATV_SECT>-MWSKZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDFIVATV_SECT-KTOSL, sy-vline,
  WA_IDFIVATV_SECT-BLART, sy-vline,
  WA_IDFIVATV_SECT-SHKZG, sy-vline,
  WA_IDFIVATV_SECT-BSCHL, sy-vline,
  WA_IDFIVATV_SECT-VATSECTION, sy-vline,
  WA_IDFIVATV_SECT-BUTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDFIVATV_SECT 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_IDFIVATV_SECT 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_IDFIVATV_SECT INTO WA_IDFIVATV_SECT.


*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_IDFIVATV_SECT_STR, 
MANDT TYPE STRING,
DECL_CTRY TYPE STRING,
TBUKRS TYPE STRING,
VERSION TYPE STRING,
MWSKZ TYPE STRING,
KTOSL TYPE STRING,
BLART TYPE STRING,
SHKZG TYPE STRING,
BSCHL TYPE STRING,
VATSECTION TYPE STRING,
BUTXT TYPE STRING,
LANDX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDFIVATV_SECT_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_IDFIVATV_SECT_STR-MANDT sy-vline 
WA_IDFIVATV_SECT_STR-DECL_CTRY sy-vline 
WA_IDFIVATV_SECT_STR-TBUKRS sy-vline 
WA_IDFIVATV_SECT_STR-VERSION sy-vline 
WA_IDFIVATV_SECT_STR-MWSKZ sy-vline 
WA_IDFIVATV_SECT_STR-KTOSL sy-vline 
WA_IDFIVATV_SECT_STR-BLART sy-vline 
WA_IDFIVATV_SECT_STR-SHKZG sy-vline 
WA_IDFIVATV_SECT_STR-BSCHL sy-vline 
WA_IDFIVATV_SECT_STR-VATSECTION sy-vline 
WA_IDFIVATV_SECT_STR-BUTXT sy-vline 
WA_IDFIVATV_SECT_STR-LANDX sy-vline      INTO ld_text SEPARATED BY SPACE.

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