ABAP Select data from SAP table J_BS_LINE_125 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_BS_LINE_125 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 J_BS_LINE_125. 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 J_BS_LINE_125 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_J_BS_LINE_125 TYPE STANDARD TABLE OF J_BS_LINE_125,
      WA_J_BS_LINE_125 TYPE J_BS_LINE_125,
      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: <J_BS_LINE_125> TYPE J_BS_LINE_125.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_BS_LINE_125.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_BS_LINE_125
  INTO TABLE IT_J_BS_LINE_125.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_BS_LINE_125
*  INTO TABLE @DATA(IT_J_BS_LINE_1252).
*--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_J_BS_LINE_125 INDEX 1 INTO DATA(WA_J_BS_LINE_1252).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_BS_LINE_125 ASSIGNING <J_BS_LINE_125>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_BS_LINE_125>-1251BEGCAP = 1.
<J_BS_LINE_125>-1251ADDCAP = 1.
<J_BS_LINE_125>-1251RESCAP = 1.
<J_BS_LINE_125>-1251LOSS = 1.
<J_BS_LINE_125>-1251TOTAL = 1.

ENDLOOP.

LOOP AT IT_J_BS_LINE_125 INTO WA_J_BS_LINE_125.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_BS_LINE_125-1251NAME, sy-vline,
  WA_J_BS_LINE_125-1252BEGCAP, sy-vline,
  WA_J_BS_LINE_125-1252ADDCAP, sy-vline,
  WA_J_BS_LINE_125-1252RESCAP, sy-vline,
  WA_J_BS_LINE_125-1252LOSS, sy-vline,
  WA_J_BS_LINE_125-1252TOTAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_BS_LINE_125 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_J_BS_LINE_125 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_J_BS_LINE_125 INTO WA_J_BS_LINE_125.


*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_J_BS_LINE_125_STR, 
1251BEGCAP TYPE STRING,
1251ADDCAP TYPE STRING,
1251RESCAP TYPE STRING,
1251LOSS TYPE STRING,
1251TOTAL TYPE STRING,
1251NAME TYPE STRING,
1252BEGCAP TYPE STRING,
1252ADDCAP TYPE STRING,
1252RESCAP TYPE STRING,
1252LOSS TYPE STRING,
1252TOTAL TYPE STRING,
1252NAME TYPE STRING,
1253BEGCAP TYPE STRING,
1253ADDCAP TYPE STRING,
1253RESCAP TYPE STRING,
1253LOSS TYPE STRING,
1253TOTAL TYPE STRING,
1253NAME TYPE STRING,
1254BEGCAP TYPE STRING,
1254ADDCAP TYPE STRING,
1254RESCAP TYPE STRING,
1254LOSS TYPE STRING,
1254TOTAL TYPE STRING,
1254NAME TYPE STRING,
1255BEGCAP TYPE STRING,
1255ADDCAP TYPE STRING,
1255RESCAP TYPE STRING,
1255LOSS TYPE STRING,
1255TOTAL TYPE STRING,
1255NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_BS_LINE_125_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_J_BS_LINE_125_STR-1251BEGCAP sy-vline 
WA_J_BS_LINE_125_STR-1251ADDCAP sy-vline 
WA_J_BS_LINE_125_STR-1251RESCAP sy-vline 
WA_J_BS_LINE_125_STR-1251LOSS sy-vline 
WA_J_BS_LINE_125_STR-1251TOTAL sy-vline 
WA_J_BS_LINE_125_STR-1251NAME sy-vline 
WA_J_BS_LINE_125_STR-1252BEGCAP sy-vline 
WA_J_BS_LINE_125_STR-1252ADDCAP sy-vline 
WA_J_BS_LINE_125_STR-1252RESCAP sy-vline 
WA_J_BS_LINE_125_STR-1252LOSS sy-vline 
WA_J_BS_LINE_125_STR-1252TOTAL sy-vline 
WA_J_BS_LINE_125_STR-1252NAME sy-vline 
WA_J_BS_LINE_125_STR-1253BEGCAP sy-vline 
WA_J_BS_LINE_125_STR-1253ADDCAP sy-vline 
WA_J_BS_LINE_125_STR-1253RESCAP sy-vline 
WA_J_BS_LINE_125_STR-1253LOSS sy-vline 
WA_J_BS_LINE_125_STR-1253TOTAL sy-vline 
WA_J_BS_LINE_125_STR-1253NAME sy-vline 
WA_J_BS_LINE_125_STR-1254BEGCAP sy-vline 
WA_J_BS_LINE_125_STR-1254ADDCAP sy-vline 
WA_J_BS_LINE_125_STR-1254RESCAP sy-vline 
WA_J_BS_LINE_125_STR-1254LOSS sy-vline 
WA_J_BS_LINE_125_STR-1254TOTAL sy-vline 
WA_J_BS_LINE_125_STR-1254NAME sy-vline 
WA_J_BS_LINE_125_STR-1255BEGCAP sy-vline 
WA_J_BS_LINE_125_STR-1255ADDCAP sy-vline 
WA_J_BS_LINE_125_STR-1255RESCAP sy-vline 
WA_J_BS_LINE_125_STR-1255LOSS sy-vline 
WA_J_BS_LINE_125_STR-1255TOTAL sy-vline 
WA_J_BS_LINE_125_STR-1255NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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