ABAP Select data from SAP table T5BVY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T5BVY 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 T5BVY. 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 T5BVY 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_T5BVY TYPE STANDARD TABLE OF T5BVY,
      WA_T5BVY TYPE T5BVY,
      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: <T5BVY> TYPE T5BVY.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T5BVY.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T5BVY
  INTO TABLE IT_T5BVY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T5BVY
*  INTO TABLE @DATA(IT_T5BVY2).
*--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_T5BVY INDEX 1 INTO DATA(WA_T5BVY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T5BVY ASSIGNING <T5BVY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T5BVY>-MANDT = 1.
<T5BVY>-RSZCA = 1.
<T5BVY>-RSZKN = 1.
<T5BVY>-STYPE = 1.
<T5BVY>-ENDDA = 1.

ENDLOOP.

LOOP AT IT_T5BVY INTO WA_T5BVY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T5BVY-BEGDA, sy-vline,
  WA_T5BVY-RSZTN, sy-vline,
  WA_T5BVY-RSZTG, sy-vline,
  WA_T5BVY-SIWMR, sy-vline,
  WA_T5BVY-LERCR, sy-vline,
  WA_T5BVY-RSZVH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T5BVY 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_T5BVY 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_T5BVY INTO WA_T5BVY.


*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_T5BVY_STR, 
MANDT TYPE STRING,
RSZCA TYPE STRING,
RSZKN TYPE STRING,
STYPE TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
RSZTN TYPE STRING,
RSZTG TYPE STRING,
SIWMR TYPE STRING,
LERCR TYPE STRING,
RSZVH TYPE STRING,
CAPSU TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T5BVY_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_T5BVY_STR-MANDT sy-vline 
WA_T5BVY_STR-RSZCA sy-vline 
WA_T5BVY_STR-RSZKN sy-vline 
WA_T5BVY_STR-STYPE sy-vline 
WA_T5BVY_STR-ENDDA sy-vline 
WA_T5BVY_STR-BEGDA sy-vline 
WA_T5BVY_STR-RSZTN sy-vline 
WA_T5BVY_STR-RSZTG sy-vline 
WA_T5BVY_STR-SIWMR sy-vline 
WA_T5BVY_STR-LERCR sy-vline 
WA_T5BVY_STR-RSZVH sy-vline 
WA_T5BVY_STR-CAPSU sy-vline      INTO ld_text SEPARATED BY SPACE.

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