ABAP Select data from SAP table J_1BEFDS_D_2_D400 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_1BEFDS_D_2_D400 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_1BEFDS_D_2_D400. 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_1BEFDS_D_2_D400 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_1BEFDS_D_2_D400 TYPE STANDARD TABLE OF J_1BEFDS_D_2_D400,
      WA_J_1BEFDS_D_2_D400 TYPE J_1BEFDS_D_2_D400,
      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_1BEFDS_D_2_D400> TYPE J_1BEFDS_D_2_D400.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_1BEFDS_D_2_D400.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_1BEFDS_D_2_D400
  INTO TABLE IT_J_1BEFDS_D_2_D400.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_1BEFDS_D_2_D400
*  INTO TABLE @DATA(IT_J_1BEFDS_D_2_D4002).
*--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_1BEFDS_D_2_D400 INDEX 1 INTO DATA(WA_J_1BEFDS_D_2_D4002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_1BEFDS_D_2_D400 ASSIGNING <J_1BEFDS_D_2_D400>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_1BEFDS_D_2_D400>-REG = 1.
<J_1BEFDS_D_2_D400>-COD_PART = 1.
<J_1BEFDS_D_2_D400>-COD_MOD = 1.
<J_1BEFDS_D_2_D400>-COD_SIT = 1.
<J_1BEFDS_D_2_D400>-SER = 1.

ENDLOOP.

LOOP AT IT_J_1BEFDS_D_2_D400 INTO WA_J_1BEFDS_D_2_D400.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_1BEFDS_D_2_D400-SUB, sy-vline,
  WA_J_1BEFDS_D_2_D400-NUM_DOC, sy-vline,
  WA_J_1BEFDS_D_2_D400-DT_DOC, sy-vline,
  WA_J_1BEFDS_D_2_D400-VL_DOC, sy-vline,
  WA_J_1BEFDS_D_2_D400-VL_DESC, sy-vline,
  WA_J_1BEFDS_D_2_D400-VL_SERV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_1BEFDS_D_2_D400 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_1BEFDS_D_2_D400 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_1BEFDS_D_2_D400 INTO WA_J_1BEFDS_D_2_D400.


*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_1BEFDS_D_2_D400_STR, 
REG TYPE STRING,
COD_PART TYPE STRING,
COD_MOD TYPE STRING,
COD_SIT TYPE STRING,
SER TYPE STRING,
SUB TYPE STRING,
NUM_DOC TYPE STRING,
DT_DOC TYPE STRING,
VL_DOC TYPE STRING,
VL_DESC TYPE STRING,
VL_SERV TYPE STRING,
VL_BC_ICMS TYPE STRING,
VL_ICMS TYPE STRING,
VL_PIS TYPE STRING,
VL_COFINS TYPE STRING,
COD_CTA TYPE STRING,
TAB_D410 TYPE STRING,
TAB_D420 TYPE STRING,
TAB_CUST TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_1BEFDS_D_2_D400_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_1BEFDS_D_2_D400_STR-REG sy-vline 
WA_J_1BEFDS_D_2_D400_STR-COD_PART sy-vline 
WA_J_1BEFDS_D_2_D400_STR-COD_MOD sy-vline 
WA_J_1BEFDS_D_2_D400_STR-COD_SIT sy-vline 
WA_J_1BEFDS_D_2_D400_STR-SER sy-vline 
WA_J_1BEFDS_D_2_D400_STR-SUB sy-vline 
WA_J_1BEFDS_D_2_D400_STR-NUM_DOC sy-vline 
WA_J_1BEFDS_D_2_D400_STR-DT_DOC sy-vline 
WA_J_1BEFDS_D_2_D400_STR-VL_DOC sy-vline 
WA_J_1BEFDS_D_2_D400_STR-VL_DESC sy-vline 
WA_J_1BEFDS_D_2_D400_STR-VL_SERV sy-vline 
WA_J_1BEFDS_D_2_D400_STR-VL_BC_ICMS sy-vline 
WA_J_1BEFDS_D_2_D400_STR-VL_ICMS sy-vline 
WA_J_1BEFDS_D_2_D400_STR-VL_PIS sy-vline 
WA_J_1BEFDS_D_2_D400_STR-VL_COFINS sy-vline 
WA_J_1BEFDS_D_2_D400_STR-COD_CTA sy-vline 
WA_J_1BEFDS_D_2_D400_STR-TAB_D410 sy-vline 
WA_J_1BEFDS_D_2_D400_STR-TAB_D420 sy-vline 
WA_J_1BEFDS_D_2_D400_STR-TAB_CUST sy-vline      INTO ld_text SEPARATED BY SPACE.

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