ABAP Select data from SAP table PBSDDK602_012 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PBSDDK602_012 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 PBSDDK602_012. 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 PBSDDK602_012 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_PBSDDK602_012 TYPE STANDARD TABLE OF PBSDDK602_012,
      WA_PBSDDK602_012 TYPE PBSDDK602_012,
      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: <PBSDDK602_012> TYPE PBSDDK602_012.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PBSDDK602_012.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PBSDDK602_012
  INTO TABLE IT_PBSDDK602_012.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PBSDDK602_012
*  INTO TABLE @DATA(IT_PBSDDK602_0122).
*--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_PBSDDK602_012 INDEX 1 INTO DATA(WA_PBSDDK602_0122).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PBSDDK602_012 ASSIGNING <PBSDDK602_012>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PBSDDK602_012>-SYSTM = 1.
<PBSDDK602_012>-RECTY = 1.
<PBSDDK602_012>-PBSNR = 1.
<PBSDDK602_012>-SEKNR = 1.
<PBSDDK602_012>-FILL1 = 1.

ENDLOOP.

LOOP AT IT_PBSDDK602_012 INTO WA_PBSDDK602_012.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PBSDDK602_012-DEBGR, sy-vline,
  WA_PBSDDK602_012-LEVID, sy-vline,
  WA_PBSDDK602_012-FILL2, sy-vline,
  WA_PBSDDK602_012-DATO, sy-vline,
  WA_PBSDDK602_012-FILL3, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_PBSDDK602_012 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_PBSDDK602_012 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_PBSDDK602_012 INTO WA_PBSDDK602_012.


*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_PBSDDK602_012_STR, 
SYSTM TYPE STRING,
RECTY TYPE STRING,
PBSNR TYPE STRING,
SEKNR TYPE STRING,
FILL1 TYPE STRING,
DEBGR TYPE STRING,
LEVID TYPE STRING,
FILL2 TYPE STRING,
DATO TYPE STRING,
FILL3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PBSDDK602_012_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_PBSDDK602_012_STR-SYSTM sy-vline 
WA_PBSDDK602_012_STR-RECTY sy-vline 
WA_PBSDDK602_012_STR-PBSNR sy-vline 
WA_PBSDDK602_012_STR-SEKNR sy-vline 
WA_PBSDDK602_012_STR-FILL1 sy-vline 
WA_PBSDDK602_012_STR-DEBGR sy-vline 
WA_PBSDDK602_012_STR-LEVID sy-vline 
WA_PBSDDK602_012_STR-FILL2 sy-vline 
WA_PBSDDK602_012_STR-DATO sy-vline 
WA_PBSDDK602_012_STR-FILL3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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