ABAP Select data from SAP table T130S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP T130S 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 T130S. 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 T130S 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_T130S TYPE STANDARD TABLE OF T130S,
      WA_T130S TYPE T130S,
      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: <T130S> TYPE T130S.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_T130S.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM T130S
  INTO TABLE IT_T130S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM T130S
*  INTO TABLE @DATA(IT_T130S2).
*--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_T130S INDEX 1 INTO DATA(WA_T130S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_T130S ASSIGNING <T130S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<T130S>-MANDT = 1.
<T130S>-PGNAM = 1.
<T130S>-KZVTD = 1.
<T130S>-KZUMR = 1.
<T130S>-ANZUM = 1.

ENDLOOP.

LOOP AT IT_T130S INTO WA_T130S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_T130S-STDZG, sy-vline,
  WA_T130S-KZASY, sy-vline,
  WA_T130S-PMCID, sy-vline,
  WA_T130S-LAND1, sy-vline,
  WA_T130S-KZPMA, sy-vline,
  WA_T130S-KZPMV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_T130S 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_T130S 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_T130S INTO WA_T130S.


*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_T130S_STR, 
MANDT TYPE STRING,
PGNAM TYPE STRING,
KZVTD TYPE STRING,
KZUMR TYPE STRING,
ANZUM TYPE STRING,
STDZG TYPE STRING,
KZASY TYPE STRING,
PMCID TYPE STRING,
LAND1 TYPE STRING,
KZPMA TYPE STRING,
KZPMV TYPE STRING,
KZNFM TYPE STRING,
KZVBM TYPE STRING,
KZPRG TYPE STRING,
KZSAT TYPE STRING,
KZSTD TYPE STRING,
KZMPN TYPE STRING,
KZALM TYPE STRING,
XPRAR TYPE STRING,
RFCDEST TYPE STRING,
SLOCK TYPE STRING,
KZNCK TYPE STRING,
ALEFL TYPE STRING,
CONSE TYPE STRING,
CONCP TYPE STRING,
NOVER TYPE STRING,
NOAPP TYPE STRING,
KZUCM TYPE STRING,
KZRMA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_T130S_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_T130S_STR-MANDT sy-vline 
WA_T130S_STR-PGNAM sy-vline 
WA_T130S_STR-KZVTD sy-vline 
WA_T130S_STR-KZUMR sy-vline 
WA_T130S_STR-ANZUM sy-vline 
WA_T130S_STR-STDZG sy-vline 
WA_T130S_STR-KZASY sy-vline 
WA_T130S_STR-PMCID sy-vline 
WA_T130S_STR-LAND1 sy-vline 
WA_T130S_STR-KZPMA sy-vline 
WA_T130S_STR-KZPMV sy-vline 
WA_T130S_STR-KZNFM sy-vline 
WA_T130S_STR-KZVBM sy-vline 
WA_T130S_STR-KZPRG sy-vline 
WA_T130S_STR-KZSAT sy-vline 
WA_T130S_STR-KZSTD sy-vline 
WA_T130S_STR-KZMPN sy-vline 
WA_T130S_STR-KZALM sy-vline 
WA_T130S_STR-XPRAR sy-vline 
WA_T130S_STR-RFCDEST sy-vline 
WA_T130S_STR-SLOCK sy-vline 
WA_T130S_STR-KZNCK sy-vline 
WA_T130S_STR-ALEFL sy-vline 
WA_T130S_STR-CONSE sy-vline 
WA_T130S_STR-CONCP sy-vline 
WA_T130S_STR-NOVER sy-vline 
WA_T130S_STR-NOAPP sy-vline 
WA_T130S_STR-KZUCM sy-vline 
WA_T130S_STR-KZRMA sy-vline      INTO ld_text SEPARATED BY SPACE.

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