ABAP Select data from SAP table /BEV4/PLABSINFOBJ_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BEV4/PLABSINFOBJ_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 /BEV4/PLABSINFOBJ_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 /BEV4/PLABSINFOBJ_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_/BEV4/PLABSINFOBJ_S TYPE STANDARD TABLE OF /BEV4/PLABSINFOBJ_S,
      WA_/BEV4/PLABSINFOBJ_S TYPE /BEV4/PLABSINFOBJ_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: </BEV4/PLABSINFOBJ_S> TYPE /BEV4/PLABSINFOBJ_S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BEV4/PLABSINFOBJ_S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BEV4/PLABSINFOBJ_S
  INTO TABLE IT_/BEV4/PLABSINFOBJ_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BEV4/PLABSINFOBJ_S
*  INTO TABLE @DATA(IT_/BEV4/PLABSINFOBJ_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_/BEV4/PLABSINFOBJ_S INDEX 1 INTO DATA(WA_/BEV4/PLABSINFOBJ_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BEV4/PLABSINFOBJ_S ASSIGNING </BEV4/PLABSINFOBJ_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BEV4/PLABSINFOBJ_S>-HEAD_DETAIL = 1.
</BEV4/PLABSINFOBJ_S>-OBJN = 1.
</BEV4/PLABSINFOBJ_S>-EXOBJ = 1.
</BEV4/PLABSINFOBJ_S>-NAME1 = 1.
</BEV4/PLABSINFOBJ_S>-STRAS = 1.

ENDLOOP.

LOOP AT IT_/BEV4/PLABSINFOBJ_S INTO WA_/BEV4/PLABSINFOBJ_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BEV4/PLABSINFOBJ_S-PSTLZ, sy-vline,
  WA_/BEV4/PLABSINFOBJ_S-ORT01, sy-vline,
  WA_/BEV4/PLABSINFOBJ_S-MBEG, sy-vline,
  WA_/BEV4/PLABSINFOBJ_S-MEND, sy-vline,
  WA_/BEV4/PLABSINFOBJ_S-INKDN, sy-vline,
  WA_/BEV4/PLABSINFOBJ_S-EXKDN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BEV4/PLABSINFOBJ_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_/BEV4/PLABSINFOBJ_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_/BEV4/PLABSINFOBJ_S INTO WA_/BEV4/PLABSINFOBJ_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 ALPHA, internal->external for field OBJN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLABSINFOBJ_S-OBJN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLABSINFOBJ_S-OBJN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EXOBJ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLABSINFOBJ_S-EXOBJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLABSINFOBJ_S-EXOBJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INKDN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLABSINFOBJ_S-INKDN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLABSINFOBJ_S-INKDN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EXKDN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BEV4/PLABSINFOBJ_S-EXKDN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BEV4/PLABSINFOBJ_S-EXKDN.
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_/BEV4/PLABSINFOBJ_S_STR, 
HEAD_DETAIL TYPE STRING,
OBJN TYPE STRING,
EXOBJ TYPE STRING,
NAME1 TYPE STRING,
STRAS TYPE STRING,
PSTLZ TYPE STRING,
ORT01 TYPE STRING,
MBEG TYPE STRING,
MEND TYPE STRING,
INKDN TYPE STRING,
EXKDN TYPE STRING,
NAME1_K TYPE STRING,
STRAS_K TYPE STRING,
PSTLZ_K TYPE STRING,
ORT01_K TYPE STRING,
ITEM_DETAIL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BEV4/PLABSINFOBJ_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_/BEV4/PLABSINFOBJ_S_STR-HEAD_DETAIL sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-OBJN sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-EXOBJ sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-NAME1 sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-STRAS sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-PSTLZ sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-ORT01 sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-MBEG sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-MEND sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-INKDN sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-EXKDN sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-NAME1_K sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-STRAS_K sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-PSTLZ_K sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-ORT01_K sy-vline 
WA_/BEV4/PLABSINFOBJ_S_STR-ITEM_DETAIL sy-vline      INTO ld_text SEPARATED BY SPACE.

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