ABAP Select data from SAP table VV_COTIS2_RT_I into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VV_COTIS2_RT_I 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 VV_COTIS2_RT_I. 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 VV_COTIS2_RT_I 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_VV_COTIS2_RT_I TYPE STANDARD TABLE OF VV_COTIS2_RT_I,
      WA_VV_COTIS2_RT_I TYPE VV_COTIS2_RT_I,
      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: <VV_COTIS2_RT_I> TYPE VV_COTIS2_RT_I.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VV_COTIS2_RT_I.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VV_COTIS2_RT_I
  INTO TABLE IT_VV_COTIS2_RT_I.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VV_COTIS2_RT_I
*  INTO TABLE @DATA(IT_VV_COTIS2_RT_I2).
*--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_VV_COTIS2_RT_I INDEX 1 INTO DATA(WA_VV_COTIS2_RT_I2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VV_COTIS2_RT_I ASSIGNING <VV_COTIS2_RT_I>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VV_COTIS2_RT_I>-MANDT = 1.
<VV_COTIS2_RT_I>-APPL = 1.
<VV_COTIS2_RT_I>-SECTN = 1.
<VV_COTIS2_RT_I>-BACOD = 1.
<VV_COTIS2_RT_I>-FIELD = 1.

ENDLOOP.

LOOP AT IT_VV_COTIS2_RT_I INTO WA_VV_COTIS2_RT_I.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VV_COTIS2_RT_I-TYOPS, sy-vline,
  WA_VV_COTIS2_RT_I-CCOID, sy-vline,
  WA_VV_COTIS2_RT_I-CCFOR, sy-vline,
  WA_VV_COTIS2_RT_I-INSCO, sy-vline,
  WA_VV_COTIS2_RT_I-SEQNR, sy-vline,
  WA_VV_COTIS2_RT_I-ENDDA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VV_COTIS2_RT_I 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_VV_COTIS2_RT_I 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_VV_COTIS2_RT_I INTO WA_VV_COTIS2_RT_I.


*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_VV_COTIS2_RT_I_STR, 
MANDT TYPE STRING,
APPL TYPE STRING,
SECTN TYPE STRING,
BACOD TYPE STRING,
FIELD TYPE STRING,
TYOPS TYPE STRING,
CCOID TYPE STRING,
CCFOR TYPE STRING,
INSCO TYPE STRING,
SEQNR TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
COSRC TYPE STRING,
GRCO1 TYPE STRING,
GRCO2 TYPE STRING,
ORGAN TYPE STRING,
COTIS TYPE STRING,
TRANX TYPE STRING,
FICOT TYPE STRING,
ASIGN TYPE STRING,
CLSTR TYPE STRING,
FICLU TYPE STRING,
COTWT TYPE STRING,
COTWG TYPE STRING,
NOSUM TYPE STRING,
KONST TYPE STRING,
GRCO3 TYPE STRING,
LGTXT TYPE STRING,
DESCR TYPE STRING,
LIBLO TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VV_COTIS2_RT_I_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_VV_COTIS2_RT_I_STR-MANDT sy-vline 
WA_VV_COTIS2_RT_I_STR-APPL sy-vline 
WA_VV_COTIS2_RT_I_STR-SECTN sy-vline 
WA_VV_COTIS2_RT_I_STR-BACOD sy-vline 
WA_VV_COTIS2_RT_I_STR-FIELD sy-vline 
WA_VV_COTIS2_RT_I_STR-TYOPS sy-vline 
WA_VV_COTIS2_RT_I_STR-CCOID sy-vline 
WA_VV_COTIS2_RT_I_STR-CCFOR sy-vline 
WA_VV_COTIS2_RT_I_STR-INSCO sy-vline 
WA_VV_COTIS2_RT_I_STR-SEQNR sy-vline 
WA_VV_COTIS2_RT_I_STR-ENDDA sy-vline 
WA_VV_COTIS2_RT_I_STR-BEGDA sy-vline 
WA_VV_COTIS2_RT_I_STR-COSRC sy-vline 
WA_VV_COTIS2_RT_I_STR-GRCO1 sy-vline 
WA_VV_COTIS2_RT_I_STR-GRCO2 sy-vline 
WA_VV_COTIS2_RT_I_STR-ORGAN sy-vline 
WA_VV_COTIS2_RT_I_STR-COTIS sy-vline 
WA_VV_COTIS2_RT_I_STR-TRANX sy-vline 
WA_VV_COTIS2_RT_I_STR-FICOT sy-vline 
WA_VV_COTIS2_RT_I_STR-ASIGN sy-vline 
WA_VV_COTIS2_RT_I_STR-CLSTR sy-vline 
WA_VV_COTIS2_RT_I_STR-FICLU sy-vline 
WA_VV_COTIS2_RT_I_STR-COTWT sy-vline 
WA_VV_COTIS2_RT_I_STR-COTWG sy-vline 
WA_VV_COTIS2_RT_I_STR-NOSUM sy-vline 
WA_VV_COTIS2_RT_I_STR-KONST sy-vline 
WA_VV_COTIS2_RT_I_STR-GRCO3 sy-vline 
WA_VV_COTIS2_RT_I_STR-LGTXT sy-vline 
WA_VV_COTIS2_RT_I_STR-DESCR sy-vline 
WA_VV_COTIS2_RT_I_STR-LIBLO sy-vline 
WA_VV_COTIS2_RT_I_STR-VALFR sy-vline 
WA_VV_COTIS2_RT_I_STR-VALTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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