ABAP Select data from SAP table /BEV1/TSSDBM_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BEV1/TSSDBM_S 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 /BEV1/TSSDBM_S. 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 /BEV1/TSSDBM_S 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_/BEV1/TSSDBM_S TYPE STANDARD TABLE OF /BEV1/TSSDBM_S,
      WA_/BEV1/TSSDBM_S TYPE /BEV1/TSSDBM_S,
      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: </BEV1/TSSDBM_S> TYPE /BEV1/TSSDBM_S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BEV1/TSSDBM_S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BEV1/TSSDBM_S
  INTO TABLE IT_/BEV1/TSSDBM_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV1/TSSDBM_S
*  INTO TABLE @DATA(IT_/BEV1/TSSDBM_S2).
*--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_/BEV1/TSSDBM_S INDEX 1 INTO DATA(WA_/BEV1/TSSDBM_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BEV1/TSSDBM_S ASSIGNING </BEV1/TSSDBM_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV1/TSSDBM_S>-MATNR = 1.
</BEV1/TSSDBM_S>-WERKS = 1.
</BEV1/TSSDBM_S>-CHARG = 1.
</BEV1/TSSDBM_S>-EZTYP = 1.
</BEV1/TSSDBM_S>-PRIO = 1.

ENDLOOP.

LOOP AT IT_/BEV1/TSSDBM_S INTO WA_/BEV1/TSSDBM_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV1/TSSDBM_S-SME, sy-vline,
  WA_/BEV1/TSSDBM_S-QUANF01, sy-vline,
  WA_/BEV1/TSSDBM_S-QUANF02, sy-vline,
  WA_/BEV1/TSSDBM_S-QUANF03, sy-vline,
  WA_/BEV1/TSSDBM_S-QUANF04, sy-vline,
  WA_/BEV1/TSSDBM_S-QUANF05, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV1/TSSDBM_S 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_/BEV1/TSSDBM_S 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_/BEV1/TSSDBM_S INTO WA_/BEV1/TSSDBM_S.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/TSSDBM_S-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/TSSDBM_S-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field SME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/BEV1/TSSDBM_S-SME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV1/TSSDBM_S-SME.
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_/BEV1/TSSDBM_S_STR, 
MATNR TYPE STRING,
WERKS TYPE STRING,
CHARG TYPE STRING,
EZTYP TYPE STRING,
PRIO TYPE STRING,
SME TYPE STRING,
QUANF01 TYPE STRING,
QUANF02 TYPE STRING,
QUANF03 TYPE STRING,
QUANF04 TYPE STRING,
QUANF05 TYPE STRING,
QUANF06 TYPE STRING,
QUANF07 TYPE STRING,
QUANF08 TYPE STRING,
QUANF09 TYPE STRING,
QUANF10 TYPE STRING,
QUANF11 TYPE STRING,
QUANF12 TYPE STRING,
QUANF13 TYPE STRING,
QUANF14 TYPE STRING,
QUANF15 TYPE STRING,
QUANF16 TYPE STRING,
QUANF17 TYPE STRING,
QUANF18 TYPE STRING,
QUANF19 TYPE STRING,
QUANF20 TYPE STRING,
VORKF01 TYPE STRING,
VORKF02 TYPE STRING,
VORKF03 TYPE STRING,
VORKF04 TYPE STRING,
VORKF05 TYPE STRING,
VORKF06 TYPE STRING,
VORKF07 TYPE STRING,
VORKF08 TYPE STRING,
VORKF09 TYPE STRING,
VORKF10 TYPE STRING,
VORKF11 TYPE STRING,
VORKF12 TYPE STRING,
VORKF13 TYPE STRING,
VORKF14 TYPE STRING,
VORKF15 TYPE STRING,
VORKF16 TYPE STRING,
VORKF17 TYPE STRING,
VORKF18 TYPE STRING,
VORKF19 TYPE STRING,
VORKF20 TYPE STRING,
MAKTX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV1/TSSDBM_S_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_/BEV1/TSSDBM_S_STR-MATNR sy-vline 
WA_/BEV1/TSSDBM_S_STR-WERKS sy-vline 
WA_/BEV1/TSSDBM_S_STR-CHARG sy-vline 
WA_/BEV1/TSSDBM_S_STR-EZTYP sy-vline 
WA_/BEV1/TSSDBM_S_STR-PRIO sy-vline 
WA_/BEV1/TSSDBM_S_STR-SME sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF01 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF02 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF03 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF04 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF05 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF06 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF07 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF08 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF09 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF10 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF11 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF12 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF13 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF14 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF15 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF16 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF17 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF18 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF19 sy-vline 
WA_/BEV1/TSSDBM_S_STR-QUANF20 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF01 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF02 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF03 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF04 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF05 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF06 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF07 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF08 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF09 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF10 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF11 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF12 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF13 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF14 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF15 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF16 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF17 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF18 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF19 sy-vline 
WA_/BEV1/TSSDBM_S_STR-VORKF20 sy-vline 
WA_/BEV1/TSSDBM_S_STR-MAKTX sy-vline      INTO ld_text SEPARATED BY SPACE.

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