ABAP Select data from SAP table CNVC_SCWB_RES0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CNVC_SCWB_RES0 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 CNVC_SCWB_RES0. 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 CNVC_SCWB_RES0 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_CNVC_SCWB_RES0 TYPE STANDARD TABLE OF CNVC_SCWB_RES0,
      WA_CNVC_SCWB_RES0 TYPE CNVC_SCWB_RES0,
      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: <CNVC_SCWB_RES0> TYPE CNVC_SCWB_RES0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CNVC_SCWB_RES0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CNVC_SCWB_RES0
  INTO TABLE IT_CNVC_SCWB_RES0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CNVC_SCWB_RES0
*  INTO TABLE @DATA(IT_CNVC_SCWB_RES02).
*--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_CNVC_SCWB_RES0 INDEX 1 INTO DATA(WA_CNVC_SCWB_RES02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CNVC_SCWB_RES0 ASSIGNING <CNVC_SCWB_RES0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CNVC_SCWB_RES0>-MANDT = 1.
<CNVC_SCWB_RES0>-RUNID = 1.
<CNVC_SCWB_RES0>-OBJTYPE = 1.
<CNVC_SCWB_RES0>-COUNT_DE = 1.
<CNVC_SCWB_RES0>-COUNT_UN = 1.

ENDLOOP.

LOOP AT IT_CNVC_SCWB_RES0 INTO WA_CNVC_SCWB_RES0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CNVC_SCWB_RES0-COUNT_EQ, sy-vline,
  WA_CNVC_SCWB_RES0-COUNT_NE, sy-vline,
  WA_CNVC_SCWB_RES0-COUNT_SID01, sy-vline,
  WA_CNVC_SCWB_RES0-COUNT_SID02, sy-vline,
  WA_CNVC_SCWB_RES0-COUNT_SID03, sy-vline,
  WA_CNVC_SCWB_RES0-COUNT_SID04, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CNVC_SCWB_RES0 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_CNVC_SCWB_RES0 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_CNVC_SCWB_RES0 INTO WA_CNVC_SCWB_RES0.


*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_CNVC_SCWB_RES0_STR, 
MANDT TYPE STRING,
RUNID TYPE STRING,
OBJTYPE TYPE STRING,
COUNT_DE TYPE STRING,
COUNT_UN TYPE STRING,
COUNT_EQ TYPE STRING,
COUNT_NE TYPE STRING,
COUNT_SID01 TYPE STRING,
COUNT_SID02 TYPE STRING,
COUNT_SID03 TYPE STRING,
COUNT_SID04 TYPE STRING,
COUNT_SID05 TYPE STRING,
COUNT_SID06 TYPE STRING,
COUNT_SID07 TYPE STRING,
COUNT_SID08 TYPE STRING,
COUNT_SID09 TYPE STRING,
COUNT_SID10 TYPE STRING,
COUNT_SID11 TYPE STRING,
COUNT_SID12 TYPE STRING,
COUNT_SID13 TYPE STRING,
COUNT_SID14 TYPE STRING,
COUNT_SID15 TYPE STRING,
COUNT_SID16 TYPE STRING,
COUNT_SID17 TYPE STRING,
COUNT_SID18 TYPE STRING,
COUNT_SID19 TYPE STRING,
COUNT_SID20 TYPE STRING,
COUNT_SID21 TYPE STRING,
COUNT_SID22 TYPE STRING,
COUNT_SID23 TYPE STRING,
COUNT_SID24 TYPE STRING,
COUNT_SID25 TYPE STRING,
COUNT_SID26 TYPE STRING,
COUNT_SID27 TYPE STRING,
COUNT_SID28 TYPE STRING,
COUNT_SID29 TYPE STRING,
COUNT_SID30 TYPE STRING,
COUNT_SID31 TYPE STRING,
COUNT_SID32 TYPE STRING,
COUNT_SID33 TYPE STRING,
COUNT_SID34 TYPE STRING,
COUNT_SID35 TYPE STRING,
COUNT_SID36 TYPE STRING,
COUNT_SID37 TYPE STRING,
COUNT_SID38 TYPE STRING,
COUNT_SID39 TYPE STRING,
COUNT_SID40 TYPE STRING,
COUNT_SID41 TYPE STRING,
COUNT_SID42 TYPE STRING,
COUNT_SID43 TYPE STRING,
COUNT_SID44 TYPE STRING,
COUNT_SID45 TYPE STRING,
COUNT_SID46 TYPE STRING,
COUNT_SID47 TYPE STRING,
COUNT_SID48 TYPE STRING,
COUNT_SID49 TYPE STRING,
COUNT_SID50 TYPE STRING,
COUNT_SID51 TYPE STRING,
COUNT_SID52 TYPE STRING,
COUNT_SID53 TYPE STRING,
COUNT_SID54 TYPE STRING,
COUNT_SID55 TYPE STRING,
COUNT_SID56 TYPE STRING,
COUNT_SID57 TYPE STRING,
COUNT_SID58 TYPE STRING,
COUNT_SID59 TYPE STRING,
COUNT_SID60 TYPE STRING,
COUNT_SID61 TYPE STRING,
COUNT_SID62 TYPE STRING,
COUNT_SID63 TYPE STRING,
COUNT_SID64 TYPE STRING,
COUNT_SID65 TYPE STRING,
COUNT_SID66 TYPE STRING,
COUNT_SID67 TYPE STRING,
COUNT_SID68 TYPE STRING,
COUNT_SID69 TYPE STRING,
COUNT_SID70 TYPE STRING,
COUNT_SID71 TYPE STRING,
COUNT_SID72 TYPE STRING,
COUNT_SID73 TYPE STRING,
COUNT_SID74 TYPE STRING,
COUNT_SID75 TYPE STRING,
COUNT_SID76 TYPE STRING,
COUNT_SID77 TYPE STRING,
COUNT_SID78 TYPE STRING,
COUNT_SID79 TYPE STRING,
COUNT_SID80 TYPE STRING,
COUNT_SID81 TYPE STRING,
COUNT_SID82 TYPE STRING,
COUNT_SID83 TYPE STRING,
COUNT_SID84 TYPE STRING,
COUNT_SID85 TYPE STRING,
COUNT_SID86 TYPE STRING,
COUNT_SID87 TYPE STRING,
COUNT_SID88 TYPE STRING,
COUNT_SID89 TYPE STRING,
COUNT_SID90 TYPE STRING,
COUNT_SID91 TYPE STRING,
COUNT_SID92 TYPE STRING,
COUNT_SID93 TYPE STRING,
COUNT_SID94 TYPE STRING,
COUNT_SID95 TYPE STRING,
COUNT_SID96 TYPE STRING,
COUNT_SID97 TYPE STRING,
COUNT_SID98 TYPE STRING,
COUNT_SID99 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CNVC_SCWB_RES0_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_CNVC_SCWB_RES0_STR-MANDT sy-vline 
WA_CNVC_SCWB_RES0_STR-RUNID sy-vline 
WA_CNVC_SCWB_RES0_STR-OBJTYPE sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_DE sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_UN sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_EQ sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_NE sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID01 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID02 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID03 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID04 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID05 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID06 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID07 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID08 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID09 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID10 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID11 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID12 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID13 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID14 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID15 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID16 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID17 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID18 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID19 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID20 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID21 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID22 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID23 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID24 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID25 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID26 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID27 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID28 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID29 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID30 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID31 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID32 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID33 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID34 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID35 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID36 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID37 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID38 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID39 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID40 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID41 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID42 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID43 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID44 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID45 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID46 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID47 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID48 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID49 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID50 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID51 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID52 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID53 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID54 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID55 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID56 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID57 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID58 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID59 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID60 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID61 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID62 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID63 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID64 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID65 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID66 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID67 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID68 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID69 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID70 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID71 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID72 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID73 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID74 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID75 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID76 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID77 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID78 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID79 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID80 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID81 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID82 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID83 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID84 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID85 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID86 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID87 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID88 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID89 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID90 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID91 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID92 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID93 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID94 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID95 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID96 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID97 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID98 sy-vline 
WA_CNVC_SCWB_RES0_STR-COUNT_SID99 sy-vline      INTO ld_text SEPARATED BY SPACE.

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