SAP T041A ABAP Select data from SAP table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T041A 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 T041A. 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 T041A 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_T041A TYPE STANDARD TABLE OF T041A,
      WA_T041A TYPE T041A,
      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: <T041A> TYPE T041A.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T041A.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T041A
  INTO TABLE IT_T041A.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T041A
*  INTO TABLE @DATA(IT_T041A2).
*--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_T041A INDEX 1 INTO DATA(WA_T041A2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T041A ASSIGNING <T041A>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T041A>-MANDT = 1.
<T041A>-AUGLV = 1.
<T041A>-BSKSO = 1.
<T041A>-BSKHA = 1.
<T041A>-BSKSS = 1.

ENDLOOP.

LOOP AT IT_T041A INTO WA_T041A.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T041A-BSKHS, sy-vline,
  WA_T041A-BSDSO, sy-vline,
  WA_T041A-BSDHA, sy-vline,
  WA_T041A-BSDSS, sy-vline,
  WA_T041A-BSDHS, sy-vline,
  WA_T041A-BSSSO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T041A 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_T041A 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_T041A INTO WA_T041A.


*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_T041A_STR, 
MANDT TYPE STRING,
AUGLV TYPE STRING,
BSKSO TYPE STRING,
BSKHA TYPE STRING,
BSKSS TYPE STRING,
BSKHS TYPE STRING,
BSDSO TYPE STRING,
BSDHA TYPE STRING,
BSDSS TYPE STRING,
BSDHS TYPE STRING,
BSSSO TYPE STRING,
BSSHA TYPE STRING,
RPKSO TYPE STRING,
RPKHA TYPE STRING,
RPDSO TYPE STRING,
RPDHA TYPE STRING,
BLARD TYPE STRING,
BLARK TYPE STRING,
BLARS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T041A_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_T041A_STR-MANDT sy-vline 
WA_T041A_STR-AUGLV sy-vline 
WA_T041A_STR-BSKSO sy-vline 
WA_T041A_STR-BSKHA sy-vline 
WA_T041A_STR-BSKSS sy-vline 
WA_T041A_STR-BSKHS sy-vline 
WA_T041A_STR-BSDSO sy-vline 
WA_T041A_STR-BSDHA sy-vline 
WA_T041A_STR-BSDSS sy-vline 
WA_T041A_STR-BSDHS sy-vline 
WA_T041A_STR-BSSSO sy-vline 
WA_T041A_STR-BSSHA sy-vline 
WA_T041A_STR-RPKSO sy-vline 
WA_T041A_STR-RPKHA sy-vline 
WA_T041A_STR-RPDSO sy-vline 
WA_T041A_STR-RPDHA sy-vline 
WA_T041A_STR-BLARD sy-vline 
WA_T041A_STR-BLARK sy-vline 
WA_T041A_STR-BLARS sy-vline      INTO ld_text SEPARATED BY SPACE.

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

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