ABAP Select data from SAP table TZD0B into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TZD0B 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 TZD0B. 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 TZD0B 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_TZD0B TYPE STANDARD TABLE OF TZD0B,
      WA_TZD0B TYPE TZD0B,
      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: <TZD0B> TYPE TZD0B.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_TZD0B.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM TZD0B
  INTO TABLE IT_TZD0B.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TZD0B
*  INTO TABLE @DATA(IT_TZD0B2).
*--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_TZD0B INDEX 1 INTO DATA(WA_TZD0B2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_TZD0B ASSIGNING <TZD0B>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TZD0B>-MANDT = 1.
<TZD0B>-BUKRS = 1.
<TZD0B>-GSART = 1.
<TZD0B>-MAHNA = 1.
<TZD0B>-BUSAB_MA = 1.

ENDLOOP.

LOOP AT IT_TZD0B INTO WA_TZD0B.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TZD0B-ZUAWA, sy-vline,
  WA_TZD0B-BUSAB, sy-vline,
  WA_TZD0B-AKONT, sy-vline,
  WA_TZD0B-BEGRU, sy-vline,
  WA_TZD0B-KNRZE, sy-vline,
  WA_TZD0B-KNRZB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TZD0B 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_TZD0B 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_TZD0B INTO WA_TZD0B.


*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.

*Conversion exit ALPHA, internal->external for field AKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TZD0B-AKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TZD0B-AKONT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KNRZE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TZD0B-KNRZE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TZD0B-KNRZE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KNRZB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TZD0B-KNRZB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TZD0B-KNRZB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FDGRV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TZD0B-FDGRV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TZD0B-FDGRV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REMIT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TZD0B-REMIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TZD0B-REMIT.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_TZD0B_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
GSART TYPE STRING,
MAHNA TYPE STRING,
BUSAB_MA TYPE STRING,
ZUAWA TYPE STRING,
BUSAB TYPE STRING,
AKONT TYPE STRING,
BEGRU TYPE STRING,
KNRZE TYPE STRING,
KNRZB TYPE STRING,
ZAMIM TYPE STRING,
ZAMIV TYPE STRING,
ZAMIR TYPE STRING,
ZAMIB TYPE STRING,
ZAMIO TYPE STRING,
ZWELS TYPE STRING,
XVERR TYPE STRING,
ZAHLS TYPE STRING,
ZTERM TYPE STRING,
WAKON TYPE STRING,
VZSKZ TYPE STRING,
ZINDT TYPE STRING,
ZINRT TYPE STRING,
EIKTO TYPE STRING,
ZSABE TYPE STRING,
KVERM TYPE STRING,
FDGRV TYPE STRING,
PERKZ TYPE STRING,
XDEZV TYPE STRING,
XAUSZ TYPE STRING,
WEBTR TYPE STRING,
REMIT TYPE STRING,
DATLZ TYPE STRING,
XZVER TYPE STRING,
TOGRU TYPE STRING,
KULTG TYPE STRING,
HBKID TYPE STRING,
XPORE TYPE STRING,
BLNKZ TYPE STRING,
ALTKN TYPE STRING,
ZGRUP TYPE STRING,
MGRUP TYPE STRING,
URLID TYPE STRING,
XZEMP TYPE STRING,
RANTYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TZD0B_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_TZD0B_STR-MANDT sy-vline 
WA_TZD0B_STR-BUKRS sy-vline 
WA_TZD0B_STR-GSART sy-vline 
WA_TZD0B_STR-MAHNA sy-vline 
WA_TZD0B_STR-BUSAB_MA sy-vline 
WA_TZD0B_STR-ZUAWA sy-vline 
WA_TZD0B_STR-BUSAB sy-vline 
WA_TZD0B_STR-AKONT sy-vline 
WA_TZD0B_STR-BEGRU sy-vline 
WA_TZD0B_STR-KNRZE sy-vline 
WA_TZD0B_STR-KNRZB sy-vline 
WA_TZD0B_STR-ZAMIM sy-vline 
WA_TZD0B_STR-ZAMIV sy-vline 
WA_TZD0B_STR-ZAMIR sy-vline 
WA_TZD0B_STR-ZAMIB sy-vline 
WA_TZD0B_STR-ZAMIO sy-vline 
WA_TZD0B_STR-ZWELS sy-vline 
WA_TZD0B_STR-XVERR sy-vline 
WA_TZD0B_STR-ZAHLS sy-vline 
WA_TZD0B_STR-ZTERM sy-vline 
WA_TZD0B_STR-WAKON sy-vline 
WA_TZD0B_STR-VZSKZ sy-vline 
WA_TZD0B_STR-ZINDT sy-vline 
WA_TZD0B_STR-ZINRT sy-vline 
WA_TZD0B_STR-EIKTO sy-vline 
WA_TZD0B_STR-ZSABE sy-vline 
WA_TZD0B_STR-KVERM sy-vline 
WA_TZD0B_STR-FDGRV sy-vline 
WA_TZD0B_STR-PERKZ sy-vline 
WA_TZD0B_STR-XDEZV sy-vline 
WA_TZD0B_STR-XAUSZ sy-vline 
WA_TZD0B_STR-WEBTR sy-vline 
WA_TZD0B_STR-REMIT sy-vline 
WA_TZD0B_STR-DATLZ sy-vline 
WA_TZD0B_STR-XZVER sy-vline 
WA_TZD0B_STR-TOGRU sy-vline 
WA_TZD0B_STR-KULTG sy-vline 
WA_TZD0B_STR-HBKID sy-vline 
WA_TZD0B_STR-XPORE sy-vline 
WA_TZD0B_STR-BLNKZ sy-vline 
WA_TZD0B_STR-ALTKN sy-vline 
WA_TZD0B_STR-ZGRUP sy-vline 
WA_TZD0B_STR-MGRUP sy-vline 
WA_TZD0B_STR-URLID sy-vline 
WA_TZD0B_STR-XZEMP sy-vline 
WA_TZD0B_STR-RANTYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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