ABAP Select data from SAP table /OTTM/DC_V_REP1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /OTTM/DC_V_REP1 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 /OTTM/DC_V_REP1. 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 /OTTM/DC_V_REP1 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_/OTTM/DC_V_REP1 TYPE STANDARD TABLE OF /OTTM/DC_V_REP1,
      WA_/OTTM/DC_V_REP1 TYPE /OTTM/DC_V_REP1,
      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: </OTTM/DC_V_REP1> TYPE /OTTM/DC_V_REP1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/OTTM/DC_V_REP1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /OTTM/DC_V_REP1
  INTO TABLE IT_/OTTM/DC_V_REP1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /OTTM/DC_V_REP1
*  INTO TABLE @DATA(IT_/OTTM/DC_V_REP12).
*--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_/OTTM/DC_V_REP1 INDEX 1 INTO DATA(WA_/OTTM/DC_V_REP12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/OTTM/DC_V_REP1 ASSIGNING </OTTM/DC_V_REP1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</OTTM/DC_V_REP1>-MANDT = 1.
</OTTM/DC_V_REP1>-PERNR = 1.
</OTTM/DC_V_REP1>-REINR = 1.
</OTTM/DC_V_REP1>-HDVRS = 1.
</OTTM/DC_V_REP1>-PERIO = 1.

ENDLOOP.

LOOP AT IT_/OTTM/DC_V_REP1 INTO WA_/OTTM/DC_V_REP1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/OTTM/DC_V_REP1-RECEIPTNO, sy-vline,
  WA_/OTTM/DC_V_REP1-SEQNO, sy-vline,
  WA_/OTTM/DC_V_REP1-SUBTY, sy-vline,
  WA_/OTTM/DC_V_REP1-OBJPS, sy-vline,
  WA_/OTTM/DC_V_REP1-SPRPS, sy-vline,
  WA_/OTTM/DC_V_REP1-ENDDA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/OTTM/DC_V_REP1 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_/OTTM/DC_V_REP1 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_/OTTM/DC_V_REP1 INTO WA_/OTTM/DC_V_REP1.


*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_/OTTM/DC_V_REP1_STR, 
MANDT TYPE STRING,
PERNR TYPE STRING,
REINR TYPE STRING,
HDVRS TYPE STRING,
PERIO TYPE STRING,
RECEIPTNO TYPE STRING,
SEQNO TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
ORGEH TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
MOREI TYPE STRING,
KZREA TYPE STRING,
ZLAND TYPE STRING,
DATV1 TYPE STRING,
DATB1 TYPE STRING,
EXP_TYPE TYPE STRING,
REC_AMOUNT TYPE STRING,
REC_CURR TYPE STRING,
REC_DATE TYPE STRING,
PAPER_RECEIPT TYPE STRING,
TRIP_TOTAL TYPE STRING,
CURRENCY TYPE STRING,
SHORTTXT TYPE STRING,
ZORT1 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/OTTM/DC_V_REP1_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_/OTTM/DC_V_REP1_STR-MANDT sy-vline 
WA_/OTTM/DC_V_REP1_STR-PERNR sy-vline 
WA_/OTTM/DC_V_REP1_STR-REINR sy-vline 
WA_/OTTM/DC_V_REP1_STR-HDVRS sy-vline 
WA_/OTTM/DC_V_REP1_STR-PERIO sy-vline 
WA_/OTTM/DC_V_REP1_STR-RECEIPTNO sy-vline 
WA_/OTTM/DC_V_REP1_STR-SEQNO sy-vline 
WA_/OTTM/DC_V_REP1_STR-SUBTY sy-vline 
WA_/OTTM/DC_V_REP1_STR-OBJPS sy-vline 
WA_/OTTM/DC_V_REP1_STR-SPRPS sy-vline 
WA_/OTTM/DC_V_REP1_STR-ENDDA sy-vline 
WA_/OTTM/DC_V_REP1_STR-BEGDA sy-vline 
WA_/OTTM/DC_V_REP1_STR-SEQNR sy-vline 
WA_/OTTM/DC_V_REP1_STR-ORGEH sy-vline 
WA_/OTTM/DC_V_REP1_STR-NACHN sy-vline 
WA_/OTTM/DC_V_REP1_STR-VORNA sy-vline 
WA_/OTTM/DC_V_REP1_STR-MOREI sy-vline 
WA_/OTTM/DC_V_REP1_STR-KZREA sy-vline 
WA_/OTTM/DC_V_REP1_STR-ZLAND sy-vline 
WA_/OTTM/DC_V_REP1_STR-DATV1 sy-vline 
WA_/OTTM/DC_V_REP1_STR-DATB1 sy-vline 
WA_/OTTM/DC_V_REP1_STR-EXP_TYPE sy-vline 
WA_/OTTM/DC_V_REP1_STR-REC_AMOUNT sy-vline 
WA_/OTTM/DC_V_REP1_STR-REC_CURR sy-vline 
WA_/OTTM/DC_V_REP1_STR-REC_DATE sy-vline 
WA_/OTTM/DC_V_REP1_STR-PAPER_RECEIPT sy-vline 
WA_/OTTM/DC_V_REP1_STR-TRIP_TOTAL sy-vline 
WA_/OTTM/DC_V_REP1_STR-CURRENCY sy-vline 
WA_/OTTM/DC_V_REP1_STR-SHORTTXT sy-vline 
WA_/OTTM/DC_V_REP1_STR-ZORT1 sy-vline      INTO ld_text SEPARATED BY SPACE.

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