ABAP Select data from SAP table /BEV3/CHLT0900 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BEV3/CHLT0900 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 /BEV3/CHLT0900. 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 /BEV3/CHLT0900 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_/BEV3/CHLT0900 TYPE STANDARD TABLE OF /BEV3/CHLT0900,
      WA_/BEV3/CHLT0900 TYPE /BEV3/CHLT0900,
      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: </BEV3/CHLT0900> TYPE /BEV3/CHLT0900.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BEV3/CHLT0900.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BEV3/CHLT0900
  INTO TABLE IT_/BEV3/CHLT0900.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV3/CHLT0900
*  INTO TABLE @DATA(IT_/BEV3/CHLT09002).
*--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_/BEV3/CHLT0900 INDEX 1 INTO DATA(WA_/BEV3/CHLT09002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BEV3/CHLT0900 ASSIGNING </BEV3/CHLT0900>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV3/CHLT0900>-VBKL_SUPER = 1.
</BEV3/CHLT0900>-RI_SUPER = 1.
</BEV3/CHLT0900>-VBIN_SUPER = 1.
</BEV3/CHLT0900>-PART_SUPER = 1.
</BEV3/CHLT0900>-PTIN_SUPER = 1.

ENDLOOP.

LOOP AT IT_/BEV3/CHLT0900 INTO WA_/BEV3/CHLT0900.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV3/CHLT0900-VBKL, sy-vline,
  WA_/BEV3/CHLT0900-RI, sy-vline,
  WA_/BEV3/CHLT0900-VBIN, sy-vline,
  WA_/BEV3/CHLT0900-VBNR, sy-vline,
  WA_/BEV3/CHLT0900-VBDTA, sy-vline,
  WA_/BEV3/CHLT0900-VBDTB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV3/CHLT0900 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_/BEV3/CHLT0900 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_/BEV3/CHLT0900 INTO WA_/BEV3/CHLT0900.


*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 CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/BEV3/CHLT0900-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV3/CHLT0900-MEINH.
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_/BEV3/CHLT0900_STR, 
VBKL_SUPER TYPE STRING,
RI_SUPER TYPE STRING,
VBIN_SUPER TYPE STRING,
PART_SUPER TYPE STRING,
PTIN_SUPER TYPE STRING,
VBKL TYPE STRING,
RI TYPE STRING,
VBIN TYPE STRING,
VBNR TYPE STRING,
VBDTA TYPE STRING,
VBDTB TYPE STRING,
YVWDNR TYPE STRING,
YVOBJNR TYPE STRING,
BUKRS TYPE STRING,
MEINH TYPE STRING,
WAERK TYPE STRING,
DATUMVON TYPE STRING,
DATUMBIS TYPE STRING,
BETRAG1 TYPE STRING,
BETRAG2 TYPE STRING,
BETRAG3 TYPE STRING,
BETRAG4 TYPE STRING,
BETRAG5 TYPE STRING,
BETRAG6 TYPE STRING,
BETRAG7 TYPE STRING,
MENGE1 TYPE STRING,
MENGE2 TYPE STRING,
MENGE3 TYPE STRING,
MENGE4 TYPE STRING,
MENGE5 TYPE STRING,
INDRKT_FLG TYPE STRING,
DRKT_FLG TYPE STRING,
ANTPROZ1 TYPE STRING,
ANTPROZ2 TYPE STRING,
TEXT1 TYPE STRING,
TEXT2 TYPE STRING,
VERD_KZ TYPE STRING,
LFDNR TYPE STRING,
BTRGNR TYPE STRING,
BK_LFDNR TYPE STRING,
MODNR TYPE STRING,
BTRGART TYPE STRING,
BTRGFORM TYPE STRING,
STEUERKZ TYPE STRING,
STATUS TYPE STRING,
UMSSTAFFEL TYPE STRING,
ABSSTAFFEL TYPE STRING,
BENUTZER TYPE STRING,
DATUM TYPE STRING,
UHRZEIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV3/CHLT0900_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_/BEV3/CHLT0900_STR-VBKL_SUPER sy-vline 
WA_/BEV3/CHLT0900_STR-RI_SUPER sy-vline 
WA_/BEV3/CHLT0900_STR-VBIN_SUPER sy-vline 
WA_/BEV3/CHLT0900_STR-PART_SUPER sy-vline 
WA_/BEV3/CHLT0900_STR-PTIN_SUPER sy-vline 
WA_/BEV3/CHLT0900_STR-VBKL sy-vline 
WA_/BEV3/CHLT0900_STR-RI sy-vline 
WA_/BEV3/CHLT0900_STR-VBIN sy-vline 
WA_/BEV3/CHLT0900_STR-VBNR sy-vline 
WA_/BEV3/CHLT0900_STR-VBDTA sy-vline 
WA_/BEV3/CHLT0900_STR-VBDTB sy-vline 
WA_/BEV3/CHLT0900_STR-YVWDNR sy-vline 
WA_/BEV3/CHLT0900_STR-YVOBJNR sy-vline 
WA_/BEV3/CHLT0900_STR-BUKRS sy-vline 
WA_/BEV3/CHLT0900_STR-MEINH sy-vline 
WA_/BEV3/CHLT0900_STR-WAERK sy-vline 
WA_/BEV3/CHLT0900_STR-DATUMVON sy-vline 
WA_/BEV3/CHLT0900_STR-DATUMBIS sy-vline 
WA_/BEV3/CHLT0900_STR-BETRAG1 sy-vline 
WA_/BEV3/CHLT0900_STR-BETRAG2 sy-vline 
WA_/BEV3/CHLT0900_STR-BETRAG3 sy-vline 
WA_/BEV3/CHLT0900_STR-BETRAG4 sy-vline 
WA_/BEV3/CHLT0900_STR-BETRAG5 sy-vline 
WA_/BEV3/CHLT0900_STR-BETRAG6 sy-vline 
WA_/BEV3/CHLT0900_STR-BETRAG7 sy-vline 
WA_/BEV3/CHLT0900_STR-MENGE1 sy-vline 
WA_/BEV3/CHLT0900_STR-MENGE2 sy-vline 
WA_/BEV3/CHLT0900_STR-MENGE3 sy-vline 
WA_/BEV3/CHLT0900_STR-MENGE4 sy-vline 
WA_/BEV3/CHLT0900_STR-MENGE5 sy-vline 
WA_/BEV3/CHLT0900_STR-INDRKT_FLG sy-vline 
WA_/BEV3/CHLT0900_STR-DRKT_FLG sy-vline 
WA_/BEV3/CHLT0900_STR-ANTPROZ1 sy-vline 
WA_/BEV3/CHLT0900_STR-ANTPROZ2 sy-vline 
WA_/BEV3/CHLT0900_STR-TEXT1 sy-vline 
WA_/BEV3/CHLT0900_STR-TEXT2 sy-vline 
WA_/BEV3/CHLT0900_STR-VERD_KZ sy-vline 
WA_/BEV3/CHLT0900_STR-LFDNR sy-vline 
WA_/BEV3/CHLT0900_STR-BTRGNR sy-vline 
WA_/BEV3/CHLT0900_STR-BK_LFDNR sy-vline 
WA_/BEV3/CHLT0900_STR-MODNR sy-vline 
WA_/BEV3/CHLT0900_STR-BTRGART sy-vline 
WA_/BEV3/CHLT0900_STR-BTRGFORM sy-vline 
WA_/BEV3/CHLT0900_STR-STEUERKZ sy-vline 
WA_/BEV3/CHLT0900_STR-STATUS sy-vline 
WA_/BEV3/CHLT0900_STR-UMSSTAFFEL sy-vline 
WA_/BEV3/CHLT0900_STR-ABSSTAFFEL sy-vline 
WA_/BEV3/CHLT0900_STR-BENUTZER sy-vline 
WA_/BEV3/CHLT0900_STR-DATUM sy-vline 
WA_/BEV3/CHLT0900_STR-UHRZEIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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