ABAP Select data from SAP table /MDGBPX/_SF_BP_PP_BP_CUSWHT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /MDGBPX/_SF_BP_PP_BP_CUSWHT
*  INTO TABLE @DATA(IT_/MDGBPX/_SF_BP_PP_BP_CUSWHT2).
*--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_/MDGBPX/_SF_BP_PP_BP_CUSWHT INDEX 1 INTO DATA(WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</MDGBPX/_SF_BP_PP_BP_CUSWHT>-ASSGNM_ID = 1.
</MDGBPX/_SF_BP_PP_BP_CUSWHT>-BP_HEADER = 1.
</MDGBPX/_SF_BP_PP_BP_CUSWHT>-COMPANY = 1.
</MDGBPX/_SF_BP_PP_BP_CUSWHT>-LAND_1 = 1.
</MDGBPX/_SF_BP_PP_BP_CUSWHT>-WITHT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT-CWT_AGENT, sy-vline,
  WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT-CWT_AGTDF, sy-vline,
  WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT-CWT_AGTDT, sy-vline,
  WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT-CWT_EXDF, sy-vline,
  WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT-CWT_EXDT, sy-vline,
  WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT-CWT_EXNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT 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_/MDGBPX/_SF_BP_PP_BP_CUSWHT 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_/MDGBPX/_SF_BP_PP_BP_CUSWHT INTO WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT.


*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_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR, 
ASSGNM_ID TYPE STRING,
BP_HEADER TYPE STRING,
COMPANY TYPE STRING,
LAND_1 TYPE STRING,
WITHT TYPE STRING,
CWT_AGENT TYPE STRING,
CWT_AGTDF TYPE STRING,
CWT_AGTDT TYPE STRING,
CWT_EXDF TYPE STRING,
CWT_EXDT TYPE STRING,
CWT_EXNR TYPE STRING,
CWT_EXRT TYPE STRING,
CWT_WITHC TYPE STRING,
CWT_WTEXR TYPE STRING,
CWT_WTSTC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_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_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-ASSGNM_ID sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-BP_HEADER sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-COMPANY sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-LAND_1 sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-WITHT sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-CWT_AGENT sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-CWT_AGTDF sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-CWT_AGTDT sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-CWT_EXDF sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-CWT_EXDT sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-CWT_EXNR sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-CWT_EXRT sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-CWT_WITHC sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-CWT_WTEXR sy-vline 
WA_/MDGBPX/_SF_BP_PP_BP_CUSWHT_STR-CWT_WTSTC sy-vline      INTO ld_text SEPARATED BY SPACE.

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