ABAP Select data from SAP table VZZBBAS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VZZBBAS
*  INTO TABLE @DATA(IT_VZZBBAS2).
*--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_VZZBBAS INDEX 1 INTO DATA(WA_VZZBBAS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VZZBBAS>-SBASIS = 1.
<VZZBBAS>-DVALUT = 1.
<VZZBBAS>-TVALUT = 1.
<VZZBBAS>-SINCL = 1.
<VZZBBAS>-SVULT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VZZBBAS-SBASTYP, sy-vline,
  WA_VZZBBAS-BBASIS, sy-vline,
  WA_VZZBBAS-ASTUECK, sy-vline,
  WA_VZZBBAS-BBASDELTA, sy-vline,
  WA_VZZBBAS-SBERFIMA, sy-vline,
  WA_VZZBBAS-SSTCKKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VZZBBAS 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_VZZBBAS 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_VZZBBAS INTO WA_VZZBBAS.


*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_VZZBBAS_STR, 
SBASIS TYPE STRING,
DVALUT TYPE STRING,
TVALUT TYPE STRING,
SINCL TYPE STRING,
SVULT TYPE STRING,
SBASTYP TYPE STRING,
BBASIS TYPE STRING,
ASTUECK TYPE STRING,
BBASDELTA TYPE STRING,
SBERFIMA TYPE STRING,
SSTCKKZ TYPE STRING,
PKOND TYPE STRING,
DPKOND TYPE STRING,
DZFEST TYPE STRING,
SAEND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VZZBBAS_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_VZZBBAS_STR-SBASIS sy-vline 
WA_VZZBBAS_STR-DVALUT sy-vline 
WA_VZZBBAS_STR-TVALUT sy-vline 
WA_VZZBBAS_STR-SINCL sy-vline 
WA_VZZBBAS_STR-SVULT sy-vline 
WA_VZZBBAS_STR-SBASTYP sy-vline 
WA_VZZBBAS_STR-BBASIS sy-vline 
WA_VZZBBAS_STR-ASTUECK sy-vline 
WA_VZZBBAS_STR-BBASDELTA sy-vline 
WA_VZZBBAS_STR-SBERFIMA sy-vline 
WA_VZZBBAS_STR-SSTCKKZ sy-vline 
WA_VZZBBAS_STR-PKOND sy-vline 
WA_VZZBBAS_STR-DPKOND sy-vline 
WA_VZZBBAS_STR-DZFEST sy-vline 
WA_VZZBBAS_STR-SAEND sy-vline      INTO ld_text SEPARATED BY SPACE.

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