ABAP Select data from SAP table V_T7SAPBS89 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_T7SAPBS89 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_T7SAPBS89. 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_T7SAPBS89 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_T7SAPBS89 TYPE STANDARD TABLE OF V_T7SAPBS89,
      WA_V_T7SAPBS89 TYPE V_T7SAPBS89,
      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_T7SAPBS89> TYPE V_T7SAPBS89.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_V_T7SAPBS89.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM V_T7SAPBS89
  INTO TABLE IT_V_T7SAPBS89.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_T7SAPBS89
*  INTO TABLE @DATA(IT_V_T7SAPBS892).
*--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_T7SAPBS89 INDEX 1 INTO DATA(WA_V_T7SAPBS892).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_V_T7SAPBS89 ASSIGNING <V_T7SAPBS89>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_T7SAPBS89>-MANDT = 1.
<V_T7SAPBS89>-MOTPR = 1.
<V_T7SAPBS89>-TPROG = 1.
<V_T7SAPBS89>-VARIA = 1.
<V_T7SAPBS89>-ENDDA = 1.

ENDLOOP.

LOOP AT IT_V_T7SAPBS89 INTO WA_V_T7SAPBS89.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_T7SAPBS89-BEGDA, sy-vline,
  WA_V_T7SAPBS89-DEFHR, sy-vline,
  WA_V_T7SAPBS89-MINHR, sy-vline,
  WA_V_T7SAPBS89-MAXHR, sy-vline,
  WA_V_T7SAPBS89-MINRP, sy-vline,
  WA_V_T7SAPBS89-MAXRP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_T7SAPBS89 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_T7SAPBS89 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_T7SAPBS89 INTO WA_V_T7SAPBS89.


*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_T7SAPBS89_STR, 
MANDT TYPE STRING,
MOTPR TYPE STRING,
TPROG TYPE STRING,
VARIA TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
DEFHR TYPE STRING,
MINHR TYPE STRING,
MAXHR TYPE STRING,
MINRP TYPE STRING,
MAXRP TYPE STRING,
OTUOM TYPE STRING,
TTEXT TYPE STRING,
DEFPH TYPE STRING,
MINPH TYPE STRING,
MAXPH TYPE STRING,
MULTI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_T7SAPBS89_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_T7SAPBS89_STR-MANDT sy-vline 
WA_V_T7SAPBS89_STR-MOTPR sy-vline 
WA_V_T7SAPBS89_STR-TPROG sy-vline 
WA_V_T7SAPBS89_STR-VARIA sy-vline 
WA_V_T7SAPBS89_STR-ENDDA sy-vline 
WA_V_T7SAPBS89_STR-BEGDA sy-vline 
WA_V_T7SAPBS89_STR-DEFHR sy-vline 
WA_V_T7SAPBS89_STR-MINHR sy-vline 
WA_V_T7SAPBS89_STR-MAXHR sy-vline 
WA_V_T7SAPBS89_STR-MINRP sy-vline 
WA_V_T7SAPBS89_STR-MAXRP sy-vline 
WA_V_T7SAPBS89_STR-OTUOM sy-vline 
WA_V_T7SAPBS89_STR-TTEXT sy-vline 
WA_V_T7SAPBS89_STR-DEFPH sy-vline 
WA_V_T7SAPBS89_STR-MINPH sy-vline 
WA_V_T7SAPBS89_STR-MAXPH sy-vline 
WA_V_T7SAPBS89_STR-MULTI sy-vline      INTO ld_text SEPARATED BY SPACE.

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