ABAP Select data from SAP table T5F5Q into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T5F5Q 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 T5F5Q. 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 T5F5Q 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_T5F5Q TYPE STANDARD TABLE OF T5F5Q,
      WA_T5F5Q TYPE T5F5Q,
      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: <T5F5Q> TYPE T5F5Q.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T5F5Q.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T5F5Q
  INTO TABLE IT_T5F5Q.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T5F5Q
*  INTO TABLE @DATA(IT_T5F5Q2).
*--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_T5F5Q INDEX 1 INTO DATA(WA_T5F5Q2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T5F5Q ASSIGNING <T5F5Q>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T5F5Q>-MANDT = 1.
<T5F5Q>-SIREN = 1.
<T5F5Q>-NUMIC = 1.
<T5F5Q>-DCODE = 1.
<T5F5Q>-ENDDA = 1.

ENDLOOP.

LOOP AT IT_T5F5Q INTO WA_T5F5Q.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T5F5Q-BEGDA, sy-vline,
  WA_T5F5Q-DATA1, sy-vline,
  WA_T5F5Q-DATA2, sy-vline,
  WA_T5F5Q-WAERS, sy-vline,
  WA_T5F5Q-DATA3, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_T5F5Q 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_T5F5Q 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_T5F5Q INTO WA_T5F5Q.


*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_T5F5Q_STR, 
MANDT TYPE STRING,
SIREN TYPE STRING,
NUMIC TYPE STRING,
DCODE TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
DATA1 TYPE STRING,
DATA2 TYPE STRING,
WAERS TYPE STRING,
DATA3 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T5F5Q_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_T5F5Q_STR-MANDT sy-vline 
WA_T5F5Q_STR-SIREN sy-vline 
WA_T5F5Q_STR-NUMIC sy-vline 
WA_T5F5Q_STR-DCODE sy-vline 
WA_T5F5Q_STR-ENDDA sy-vline 
WA_T5F5Q_STR-BEGDA sy-vline 
WA_T5F5Q_STR-DATA1 sy-vline 
WA_T5F5Q_STR-DATA2 sy-vline 
WA_T5F5Q_STR-WAERS sy-vline 
WA_T5F5Q_STR-DATA3 sy-vline      INTO ld_text SEPARATED BY SPACE.

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