ABAP Select data from SAP table BP3000_UPD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP BP3000_UPD 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 BP3000_UPD. 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 BP3000_UPD 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_BP3000_UPD TYPE STANDARD TABLE OF BP3000_UPD,
      WA_BP3000_UPD TYPE BP3000_UPD,
      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: <BP3000_UPD> TYPE BP3000_UPD.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_BP3000_UPD.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM BP3000_UPD
  INTO TABLE IT_BP3000_UPD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BP3000_UPD
*  INTO TABLE @DATA(IT_BP3000_UPD2).
*--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_BP3000_UPD INDEX 1 INTO DATA(WA_BP3000_UPD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_BP3000_UPD ASSIGNING <BP3000_UPD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BP3000_UPD>-MANDT = 1.
<BP3000_UPD>-PARTNR = 1.
<BP3000_UPD>-SGRP1 = 1.
<BP3000_UPD>-SGRP2 = 1.
<BP3000_UPD>-SGRP3 = 1.

ENDLOOP.

LOOP AT IT_BP3000_UPD INTO WA_BP3000_UPD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BP3000_UPD-SGRP4, sy-vline,
  WA_BP3000_UPD-SGRP5, sy-vline,
  WA_BP3000_UPD-SGRP6, sy-vline,
  WA_BP3000_UPD-SGRP7, sy-vline,
  WA_BP3000_UPD-SGRP8, sy-vline,
  WA_BP3000_UPD-SGRP9, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BP3000_UPD 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_BP3000_UPD 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_BP3000_UPD INTO WA_BP3000_UPD.


*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 PARTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BP3000_UPD-PARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BP3000_UPD-PARTNR.
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_BP3000_UPD_STR, 
MANDT TYPE STRING,
PARTNR TYPE STRING,
SGRP1 TYPE STRING,
SGRP2 TYPE STRING,
SGRP3 TYPE STRING,
SGRP4 TYPE STRING,
SGRP5 TYPE STRING,
SGRP6 TYPE STRING,
SGRP7 TYPE STRING,
SGRP8 TYPE STRING,
SGRP9 TYPE STRING,
SGRP10 TYPE STRING,
SGRP11 TYPE STRING,
SFRT1 TYPE STRING,
SFRT2 TYPE STRING,
SFRT3 TYPE STRING,
SFRT4 TYPE STRING,
SFRT5 TYPE STRING,
SFRT6 TYPE STRING,
SFRT7 TYPE STRING,
SFRT8 TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BP3000_UPD_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_BP3000_UPD_STR-MANDT sy-vline 
WA_BP3000_UPD_STR-PARTNR sy-vline 
WA_BP3000_UPD_STR-SGRP1 sy-vline 
WA_BP3000_UPD_STR-SGRP2 sy-vline 
WA_BP3000_UPD_STR-SGRP3 sy-vline 
WA_BP3000_UPD_STR-SGRP4 sy-vline 
WA_BP3000_UPD_STR-SGRP5 sy-vline 
WA_BP3000_UPD_STR-SGRP6 sy-vline 
WA_BP3000_UPD_STR-SGRP7 sy-vline 
WA_BP3000_UPD_STR-SGRP8 sy-vline 
WA_BP3000_UPD_STR-SGRP9 sy-vline 
WA_BP3000_UPD_STR-SGRP10 sy-vline 
WA_BP3000_UPD_STR-SGRP11 sy-vline 
WA_BP3000_UPD_STR-SFRT1 sy-vline 
WA_BP3000_UPD_STR-SFRT2 sy-vline 
WA_BP3000_UPD_STR-SFRT3 sy-vline 
WA_BP3000_UPD_STR-SFRT4 sy-vline 
WA_BP3000_UPD_STR-SFRT5 sy-vline 
WA_BP3000_UPD_STR-SFRT6 sy-vline 
WA_BP3000_UPD_STR-SFRT7 sy-vline 
WA_BP3000_UPD_STR-SFRT8 sy-vline 
WA_BP3000_UPD_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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