ABAP Select data from SAP table T7QAPBS33 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T7QAPBS33 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 T7QAPBS33. 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 T7QAPBS33 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_T7QAPBS33 TYPE STANDARD TABLE OF T7QAPBS33,
      WA_T7QAPBS33 TYPE T7QAPBS33,
      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: <T7QAPBS33> TYPE T7QAPBS33.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T7QAPBS33.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T7QAPBS33
  INTO TABLE IT_T7QAPBS33.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T7QAPBS33
*  INTO TABLE @DATA(IT_T7QAPBS332).
*--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_T7QAPBS33 INDEX 1 INTO DATA(WA_T7QAPBS332).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T7QAPBS33 ASSIGNING <T7QAPBS33>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T7QAPBS33>-MANDT = 1.
<T7QAPBS33>-SLGRP = 1.
<T7QAPBS33>-SLABS = 1.
<T7QAPBS33>-ENDDA = 1.
<T7QAPBS33>-ADCDG = 1.

ENDLOOP.

LOOP AT IT_T7QAPBS33 INTO WA_T7QAPBS33.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T7QAPBS33-BEGDA, sy-vline,
  WA_T7QAPBS33-INTER, sy-vline,
  WA_T7QAPBS33-TOTAL, sy-vline,
  WA_T7QAPBS33-TUNIT, sy-vline,
  WA_T7QAPBS33-REASN, sy-vline,
  WA_T7QAPBS33-ENABLE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T7QAPBS33 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_T7QAPBS33 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_T7QAPBS33 INTO WA_T7QAPBS33.


*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_T7QAPBS33_STR, 
MANDT TYPE STRING,
SLGRP TYPE STRING,
SLABS TYPE STRING,
ENDDA TYPE STRING,
ADCDG TYPE STRING,
BEGDA TYPE STRING,
INTER TYPE STRING,
TOTAL TYPE STRING,
TUNIT TYPE STRING,
REASN TYPE STRING,
ENABLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T7QAPBS33_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_T7QAPBS33_STR-MANDT sy-vline 
WA_T7QAPBS33_STR-SLGRP sy-vline 
WA_T7QAPBS33_STR-SLABS sy-vline 
WA_T7QAPBS33_STR-ENDDA sy-vline 
WA_T7QAPBS33_STR-ADCDG sy-vline 
WA_T7QAPBS33_STR-BEGDA sy-vline 
WA_T7QAPBS33_STR-INTER sy-vline 
WA_T7QAPBS33_STR-TOTAL sy-vline 
WA_T7QAPBS33_STR-TUNIT sy-vline 
WA_T7QAPBS33_STR-REASN sy-vline 
WA_T7QAPBS33_STR-ENABLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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