ABAP Select data from SAP table VTZB0AI into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VTZB0AI 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 VTZB0AI. 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 VTZB0AI 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_VTZB0AI TYPE STANDARD TABLE OF VTZB0AI,
      WA_VTZB0AI TYPE VTZB0AI,
      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: <VTZB0AI> TYPE VTZB0AI.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VTZB0AI.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VTZB0AI
  INTO TABLE IT_VTZB0AI.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTZB0AI
*  INTO TABLE @DATA(IT_VTZB0AI2).
*--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_VTZB0AI INDEX 1 INTO DATA(WA_VTZB0AI2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VTZB0AI ASSIGNING <VTZB0AI>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTZB0AI>-MANDT = 1.
<VTZB0AI>-RANTYP = 1.
<VTZB0AI>-SBEWART = 1.
<VTZB0AI>-XBEWART = 1.
<VTZB0AI>-SBEWAGRP = 1.

ENDLOOP.

LOOP AT IT_VTZB0AI INTO WA_VTZB0AI.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTZB0AI-SBEWZITI, sy-vline,
  WA_VTZB0AI-SSOLHAB, sy-vline,
  WA_VTZB0AI-JZINSBAS, sy-vline,
  WA_VTZB0AI-JZINSZPT, sy-vline,
  WA_VTZB0AI-JRESALD, sy-vline,
  WA_VTZB0AI-XBUCHK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTZB0AI 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_VTZB0AI 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_VTZB0AI INTO WA_VTZB0AI.


*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_VTZB0AI_STR, 
MANDT TYPE STRING,
RANTYP TYPE STRING,
SBEWART TYPE STRING,
XBEWART TYPE STRING,
SBEWAGRP TYPE STRING,
SBEWZITI TYPE STRING,
SSOLHAB TYPE STRING,
JZINSBAS TYPE STRING,
JZINSZPT TYPE STRING,
JRESALD TYPE STRING,
XBUCHK TYPE STRING,
JBUCKZ TYPE STRING,
JFDBUC TYPE STRING,
JEFFZI TYPE STRING,
SABGRENZ TYPE STRING,
SEFFZIVZ TYPE STRING,
JSTOCK TYPE STRING,
SZEGEN TYPE STRING,
JZIABBA TYPE STRING,
SBERFIMA TYPE STRING,
SFIBU TYPE STRING,
SBUST TYPE STRING,
SVORGKZ TYPE STRING,
SAKTPAS TYPE STRING,
JVGLEFFZ TYPE STRING,
JEFFZI2 TYPE STRING,
SEINBEHALT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTZB0AI_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_VTZB0AI_STR-MANDT sy-vline 
WA_VTZB0AI_STR-RANTYP sy-vline 
WA_VTZB0AI_STR-SBEWART sy-vline 
WA_VTZB0AI_STR-XBEWART sy-vline 
WA_VTZB0AI_STR-SBEWAGRP sy-vline 
WA_VTZB0AI_STR-SBEWZITI sy-vline 
WA_VTZB0AI_STR-SSOLHAB sy-vline 
WA_VTZB0AI_STR-JZINSBAS sy-vline 
WA_VTZB0AI_STR-JZINSZPT sy-vline 
WA_VTZB0AI_STR-JRESALD sy-vline 
WA_VTZB0AI_STR-XBUCHK sy-vline 
WA_VTZB0AI_STR-JBUCKZ sy-vline 
WA_VTZB0AI_STR-JFDBUC sy-vline 
WA_VTZB0AI_STR-JEFFZI sy-vline 
WA_VTZB0AI_STR-SABGRENZ sy-vline 
WA_VTZB0AI_STR-SEFFZIVZ sy-vline 
WA_VTZB0AI_STR-JSTOCK sy-vline 
WA_VTZB0AI_STR-SZEGEN sy-vline 
WA_VTZB0AI_STR-JZIABBA sy-vline 
WA_VTZB0AI_STR-SBERFIMA sy-vline 
WA_VTZB0AI_STR-SFIBU sy-vline 
WA_VTZB0AI_STR-SBUST sy-vline 
WA_VTZB0AI_STR-SVORGKZ sy-vline 
WA_VTZB0AI_STR-SAKTPAS sy-vline 
WA_VTZB0AI_STR-JVGLEFFZ sy-vline 
WA_VTZB0AI_STR-JEFFZI2 sy-vline 
WA_VTZB0AI_STR-SEINBEHALT sy-vline      INTO ld_text SEPARATED BY SPACE.

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