ABAP Select data from SAP table Q0355 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP Q0355 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 Q0355. 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 Q0355 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_Q0355 TYPE STANDARD TABLE OF Q0355,
      WA_Q0355 TYPE Q0355,
      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: <Q0355> TYPE Q0355.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_Q0355.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM Q0355
  INTO TABLE IT_Q0355.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM Q0355
*  INTO TABLE @DATA(IT_Q03552).
*--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_Q0355 INDEX 1 INTO DATA(WA_Q03552).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_Q0355 ASSIGNING <Q0355>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<Q0355>-LOAMT = 1.
<Q0355>-LOCUR = 1.
<Q0355>-HIAMT = 1.
<Q0355>-HICUR = 1.
<Q0355>-SUBSI = 1.

ENDLOOP.

LOOP AT IT_Q0355 INTO WA_Q0355.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_Q0355-SSIPE, sy-vline,
  WA_Q0355-SSIAM, sy-vline,
  WA_Q0355-SSCUR, sy-vline,
  WA_Q0355-EERES, sy-vline,
  WA_Q0355-EECUR, sy-vline,
  WA_Q0355-ERRES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_Q0355 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_Q0355 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_Q0355 INTO WA_Q0355.


*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_Q0355_STR, 
LOAMT TYPE STRING,
LOCUR TYPE STRING,
HIAMT TYPE STRING,
HICUR TYPE STRING,
SUBSI TYPE STRING,
SSIPE TYPE STRING,
SSIAM TYPE STRING,
SSCUR TYPE STRING,
EERES TYPE STRING,
EECUR TYPE STRING,
ERRES TYPE STRING,
ERCUR TYPE STRING,
GVRES TYPE STRING,
GVCUR TYPE STRING,
THMTH TYPE STRING,
NXMTH TYPE STRING,
INAMT TYPE STRING,
WAERS TYPE STRING,
USEIC TYPE STRING,
USEAL TYPE STRING,
USEPP TYPE STRING,
ABOVE TYPE STRING,
BELOW TYPE STRING,
NPAPP TYPE STRING,
NPEXM TYPE STRING,
NPOTC TYPE STRING,
PPAPP TYPE STRING,
PPEXM TYPE STRING,
PPOTC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_Q0355_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_Q0355_STR-LOAMT sy-vline 
WA_Q0355_STR-LOCUR sy-vline 
WA_Q0355_STR-HIAMT sy-vline 
WA_Q0355_STR-HICUR sy-vline 
WA_Q0355_STR-SUBSI sy-vline 
WA_Q0355_STR-SSIPE sy-vline 
WA_Q0355_STR-SSIAM sy-vline 
WA_Q0355_STR-SSCUR sy-vline 
WA_Q0355_STR-EERES sy-vline 
WA_Q0355_STR-EECUR sy-vline 
WA_Q0355_STR-ERRES sy-vline 
WA_Q0355_STR-ERCUR sy-vline 
WA_Q0355_STR-GVRES sy-vline 
WA_Q0355_STR-GVCUR sy-vline 
WA_Q0355_STR-THMTH sy-vline 
WA_Q0355_STR-NXMTH sy-vline 
WA_Q0355_STR-INAMT sy-vline 
WA_Q0355_STR-WAERS sy-vline 
WA_Q0355_STR-USEIC sy-vline 
WA_Q0355_STR-USEAL sy-vline 
WA_Q0355_STR-USEPP sy-vline 
WA_Q0355_STR-ABOVE sy-vline 
WA_Q0355_STR-BELOW sy-vline 
WA_Q0355_STR-NPAPP sy-vline 
WA_Q0355_STR-NPEXM sy-vline 
WA_Q0355_STR-NPOTC sy-vline 
WA_Q0355_STR-PPAPP sy-vline 
WA_Q0355_STR-PPEXM sy-vline 
WA_Q0355_STR-PPOTC sy-vline      INTO ld_text SEPARATED BY SPACE.

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