ABAP Select data from SAP table T525O into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T525O 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 T525O. 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 T525O 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_T525O TYPE STANDARD TABLE OF T525O,
      WA_T525O TYPE T525O,
      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: <T525O> TYPE T525O.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T525O.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T525O
  INTO TABLE IT_T525O.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T525O
*  INTO TABLE @DATA(IT_T525O2).
*--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_T525O INDEX 1 INTO DATA(WA_T525O2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T525O ASSIGNING <T525O>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T525O>-MANDT = 1.
<T525O>-TSPST = 1.
<T525O>-TSPCL = 1.
<T525O>-NUMER = 1.
<T525O>-DENOM = 1.

ENDLOOP.

LOOP AT IT_T525O INTO WA_T525O.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T525O-FLGTC, sy-vline,
  WA_T525O-TCYRS, sy-vline,
  WA_T525O-TCMNS, sy-vline,
  WA_T525O-TCDYS, sy-vline,
  WA_T525O-PIOTY, sy-vline,
  WA_T525O-ITMRK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T525O 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_T525O 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_T525O INTO WA_T525O.


*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_T525O_STR, 
MANDT TYPE STRING,
TSPST TYPE STRING,
TSPCL TYPE STRING,
NUMER TYPE STRING,
DENOM TYPE STRING,
FLGTC TYPE STRING,
TCYRS TYPE STRING,
TCMNS TYPE STRING,
TCDYS TYPE STRING,
PIOTY TYPE STRING,
ITMRK TYPE STRING,
FLGSH TYPE STRING,
TCYRSB TYPE STRING,
TCMNSB TYPE STRING,
TCDYSB TYPE STRING,
NUMERB TYPE STRING,
DENOMB TYPE STRING,
LGDESC TYPE STRING,
NOPTT TYPE STRING,
CLASSNAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T525O_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_T525O_STR-MANDT sy-vline 
WA_T525O_STR-TSPST sy-vline 
WA_T525O_STR-TSPCL sy-vline 
WA_T525O_STR-NUMER sy-vline 
WA_T525O_STR-DENOM sy-vline 
WA_T525O_STR-FLGTC sy-vline 
WA_T525O_STR-TCYRS sy-vline 
WA_T525O_STR-TCMNS sy-vline 
WA_T525O_STR-TCDYS sy-vline 
WA_T525O_STR-PIOTY sy-vline 
WA_T525O_STR-ITMRK sy-vline 
WA_T525O_STR-FLGSH sy-vline 
WA_T525O_STR-TCYRSB sy-vline 
WA_T525O_STR-TCMNSB sy-vline 
WA_T525O_STR-TCDYSB sy-vline 
WA_T525O_STR-NUMERB sy-vline 
WA_T525O_STR-DENOMB sy-vline 
WA_T525O_STR-LGDESC sy-vline 
WA_T525O_STR-NOPTT sy-vline 
WA_T525O_STR-CLASSNAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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