ABAP Select data from SAP table SINS02 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SINS02 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 SINS02. 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 SINS02 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_SINS02 TYPE STANDARD TABLE OF SINS02,
      WA_SINS02 TYPE SINS02,
      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: <SINS02> TYPE SINS02.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SINS02.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SINS02
  INTO TABLE IT_SINS02.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SINS02
*  INTO TABLE @DATA(IT_SINS022).
*--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_SINS02 INDEX 1 INTO DATA(WA_SINS022).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SINS02 ASSIGNING <SINS02>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SINS02>-DISPCOL = 1.
<SINS02>-DISPCOT = 1.
<SINS02>-GROUCOL = 1.
<SINS02>-GROUCOT = 1.
<SINS02>-FILTCOL = 1.

ENDLOOP.

LOOP AT IT_SINS02 INTO WA_SINS02.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SINS02-FILTCOT, sy-vline,
  WA_SINS02-SORTCOL, sy-vline,
  WA_SINS02-SORTCOT, sy-vline,
  WA_SINS02-REMACOL, sy-vline,
  WA_SINS02-COMMCOL, sy-vline,
  WA_SINS02-NUMBCOL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SINS02 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_SINS02 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_SINS02 INTO WA_SINS02.


*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_SINS02_STR, 
DISPCOL TYPE STRING,
DISPCOT TYPE STRING,
GROUCOL TYPE STRING,
GROUCOT TYPE STRING,
FILTCOL TYPE STRING,
FILTCOT TYPE STRING,
SORTCOL TYPE STRING,
SORTCOT TYPE STRING,
REMACOL TYPE STRING,
COMMCOL TYPE STRING,
NUMBCOL TYPE STRING,
CONFCOL TYPE STRING,
SETTCOL TYPE STRING,
CONICOL TYPE STRING,
CLASSSYMB TYPE STRING,
CONFPU TYPE STRING,
CONFPR TYPE STRING,
SEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SINS02_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_SINS02_STR-DISPCOL sy-vline 
WA_SINS02_STR-DISPCOT sy-vline 
WA_SINS02_STR-GROUCOL sy-vline 
WA_SINS02_STR-GROUCOT sy-vline 
WA_SINS02_STR-FILTCOL sy-vline 
WA_SINS02_STR-FILTCOT sy-vline 
WA_SINS02_STR-SORTCOL sy-vline 
WA_SINS02_STR-SORTCOT sy-vline 
WA_SINS02_STR-REMACOL sy-vline 
WA_SINS02_STR-COMMCOL sy-vline 
WA_SINS02_STR-NUMBCOL sy-vline 
WA_SINS02_STR-CONFCOL sy-vline 
WA_SINS02_STR-SETTCOL sy-vline 
WA_SINS02_STR-CONICOL sy-vline 
WA_SINS02_STR-CLASSSYMB sy-vline 
WA_SINS02_STR-CONFPU sy-vline 
WA_SINS02_STR-CONFPR sy-vline 
WA_SINS02_STR-SEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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