SAP Q3534 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 Q3534 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 Q3534. 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 Q3534 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_Q3534 TYPE STANDARD TABLE OF Q3534,
      WA_Q3534 TYPE Q3534,
      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: <Q3534> TYPE Q3534.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_Q3534.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM Q3534
  INTO TABLE IT_Q3534.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM Q3534
*  INTO TABLE @DATA(IT_Q35342).
*--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_Q3534 INDEX 1 INTO DATA(WA_Q35342).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_Q3534 ASSIGNING <Q3534>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<Q3534>-STEXT = 1.
<Q3534>-OPTYT = 1.
<Q3534>-RTTYT = 1.
<Q3534>-ISSBT = 1.
<Q3534>-GRBTT = 1.

ENDLOOP.

LOOP AT IT_Q3534 INTO WA_Q3534.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_Q3534-GRFTT, sy-vline,
  WA_Q3534-HGPST, sy-vline,
  WA_Q3534-PAYBT, sy-vline,
  WA_Q3534-BENTT, sy-vline,
  WA_Q3534-RTBNT, sy-vline,
  WA_Q3534-ELRST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_Q3534 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_Q3534 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_Q3534 INTO WA_Q3534.


*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_Q3534_STR, 
STEXT TYPE STRING,
OPTYT TYPE STRING,
RTTYT TYPE STRING,
ISSBT TYPE STRING,
GRBTT TYPE STRING,
GRFTT TYPE STRING,
HGPST TYPE STRING,
PAYBT TYPE STRING,
BENTT TYPE STRING,
RTBNT TYPE STRING,
ELRST TYPE STRING,
EINHT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_Q3534_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_Q3534_STR-STEXT sy-vline 
WA_Q3534_STR-OPTYT sy-vline 
WA_Q3534_STR-RTTYT sy-vline 
WA_Q3534_STR-ISSBT sy-vline 
WA_Q3534_STR-GRBTT sy-vline 
WA_Q3534_STR-GRFTT sy-vline 
WA_Q3534_STR-HGPST sy-vline 
WA_Q3534_STR-PAYBT sy-vline 
WA_Q3534_STR-BENTT sy-vline 
WA_Q3534_STR-RTBNT sy-vline 
WA_Q3534_STR-ELRST sy-vline 
WA_Q3534_STR-EINHT 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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