ABAP Select data from SAP table INFO_REP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM INFO_REP
*  INTO TABLE @DATA(IT_INFO_REP2).
*--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_INFO_REP INDEX 1 INTO DATA(WA_INFO_REP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<INFO_REP>-GENFLAG = 1.
<INFO_REP>-RESTRICT = 1.
<INFO_REP>-UPD = 1.
<INFO_REP>-SHOW = 1.
<INFO_REP>-OBJ_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_INFO_REP-OB_TYPE, sy-vline,
  WA_INFO_REP-OBJECT, sy-vline,
  WA_INFO_REP-ENCL_OBJEC, sy-vline,
  WA_INFO_REP-OBJECT_CLS, sy-vline,
  WA_INFO_REP-USED_OBJ, sy-vline,
  WA_INFO_REP-USED_ENCL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_INFO_REP 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_INFO_REP 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_INFO_REP INTO WA_INFO_REP.


*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_INFO_REP_STR, 
GENFLAG TYPE STRING,
RESTRICT TYPE STRING,
UPD TYPE STRING,
SHOW TYPE STRING,
OBJ_NAME TYPE STRING,
OB_TYPE TYPE STRING,
OBJECT TYPE STRING,
ENCL_OBJEC TYPE STRING,
OBJECT_CLS TYPE STRING,
USED_OBJ TYPE STRING,
USED_ENCL TYPE STRING,
USED_CLS TYPE STRING,
OBJECT_ROW TYPE STRING,
TEXTLINE TYPE STRING,
SOURCE TYPE STRING,
PROGRAM TYPE STRING,
MODIFIED TYPE STRING,
CNTND TYPE STRING,
MARK TYPE STRING,
COMPRESS TYPE STRING,
NOT_SHOW TYPE STRING,
POINTER TYPE STRING,
RAHMEN TYPE STRING,
LAST TYPE STRING,
EXT_FORM TYPE STRING,
DYNAMIC TYPE STRING,
OBJ_STATE TYPE STRING,
GRADE TYPE STRING,
FULL_NAME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_INFO_REP_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_INFO_REP_STR-GENFLAG sy-vline 
WA_INFO_REP_STR-RESTRICT sy-vline 
WA_INFO_REP_STR-UPD sy-vline 
WA_INFO_REP_STR-SHOW sy-vline 
WA_INFO_REP_STR-OBJ_NAME sy-vline 
WA_INFO_REP_STR-OB_TYPE sy-vline 
WA_INFO_REP_STR-OBJECT sy-vline 
WA_INFO_REP_STR-ENCL_OBJEC sy-vline 
WA_INFO_REP_STR-OBJECT_CLS sy-vline 
WA_INFO_REP_STR-USED_OBJ sy-vline 
WA_INFO_REP_STR-USED_ENCL sy-vline 
WA_INFO_REP_STR-USED_CLS sy-vline 
WA_INFO_REP_STR-OBJECT_ROW sy-vline 
WA_INFO_REP_STR-TEXTLINE sy-vline 
WA_INFO_REP_STR-SOURCE sy-vline 
WA_INFO_REP_STR-PROGRAM sy-vline 
WA_INFO_REP_STR-MODIFIED sy-vline 
WA_INFO_REP_STR-CNTND sy-vline 
WA_INFO_REP_STR-MARK sy-vline 
WA_INFO_REP_STR-COMPRESS sy-vline 
WA_INFO_REP_STR-NOT_SHOW sy-vline 
WA_INFO_REP_STR-POINTER sy-vline 
WA_INFO_REP_STR-RAHMEN sy-vline 
WA_INFO_REP_STR-LAST sy-vline 
WA_INFO_REP_STR-EXT_FORM sy-vline 
WA_INFO_REP_STR-DYNAMIC sy-vline 
WA_INFO_REP_STR-OBJ_STATE sy-vline 
WA_INFO_REP_STR-GRADE sy-vline 
WA_INFO_REP_STR-FULL_NAME sy-vline      INTO ld_text SEPARATED BY SPACE.

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