ABAP Select data from SAP table CVS_PROABS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CVS_PROABS
*  INTO TABLE @DATA(IT_CVS_PROABS2).
*--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_CVS_PROABS INDEX 1 INTO DATA(WA_CVS_PROABS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CVS_PROABS>-PROGNAME = 1.
<CVS_PROABS>-OBJECT = 1.
<CVS_PROABS>-OBJ_NAME = 1.
<CVS_PROABS>-PB_CNT_CUM = 1.
<CVS_PROABS>-PB_RBX_CUM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CVS_PROABS-PB_CNT_CUR, sy-vline,
  WA_CVS_PROABS-PB_RBX_CUR, sy-vline,
  WA_CVS_PROABS-CHANGE_COUNT, sy-vline,
  WA_CVS_PROABS-STATEMENT_COUNT, sy-vline,
  WA_CVS_PROABS-BRANCH_COUNT, sy-vline,
  WA_CVS_PROABS-TESTED_ST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CVS_PROABS 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_CVS_PROABS 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_CVS_PROABS INTO WA_CVS_PROABS.


*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_CVS_PROABS_STR, 
PROGNAME TYPE STRING,
OBJECT TYPE STRING,
OBJ_NAME TYPE STRING,
PB_CNT_CUM TYPE STRING,
PB_RBX_CUM TYPE STRING,
PB_CNT_CUR TYPE STRING,
PB_RBX_CUR TYPE STRING,
CHANGE_COUNT TYPE STRING,
STATEMENT_COUNT TYPE STRING,
BRANCH_COUNT TYPE STRING,
TESTED_ST TYPE STRING,
TESTED_ST_CUM TYPE STRING,
TESTED_BRCH TYPE STRING,
TESTED_BRCH_CUM TYPE STRING,
PB_CNT_CUM_NOT_NULL TYPE STRING,
PB_RBX_CUM_NOT_NULL TYPE STRING,
PB_CNT_CUR_NOT_NULL TYPE STRING,
PB_RBX_CUR_NOT_NULL TYPE STRING,
COVRESET1_NOT_NULL TYPE STRING,
UNICODE TYPE STRING,
TESTED TYPE STRING,
LED TYPE STRING,
ICON TYPE STRING,
TOTAL TYPE STRING,
FREQ2 TYPE STRING,
VARIANZ TYPE STRING,
LOADSIZE TYPE STRING,
AUTHOR TYPE STRING,
DEVCLASS TYPE STRING,
COVRESET1 TYPE STRING,
COVRESET2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CVS_PROABS_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_CVS_PROABS_STR-PROGNAME sy-vline 
WA_CVS_PROABS_STR-OBJECT sy-vline 
WA_CVS_PROABS_STR-OBJ_NAME sy-vline 
WA_CVS_PROABS_STR-PB_CNT_CUM sy-vline 
WA_CVS_PROABS_STR-PB_RBX_CUM sy-vline 
WA_CVS_PROABS_STR-PB_CNT_CUR sy-vline 
WA_CVS_PROABS_STR-PB_RBX_CUR sy-vline 
WA_CVS_PROABS_STR-CHANGE_COUNT sy-vline 
WA_CVS_PROABS_STR-STATEMENT_COUNT sy-vline 
WA_CVS_PROABS_STR-BRANCH_COUNT sy-vline 
WA_CVS_PROABS_STR-TESTED_ST sy-vline 
WA_CVS_PROABS_STR-TESTED_ST_CUM sy-vline 
WA_CVS_PROABS_STR-TESTED_BRCH sy-vline 
WA_CVS_PROABS_STR-TESTED_BRCH_CUM sy-vline 
WA_CVS_PROABS_STR-PB_CNT_CUM_NOT_NULL sy-vline 
WA_CVS_PROABS_STR-PB_RBX_CUM_NOT_NULL sy-vline 
WA_CVS_PROABS_STR-PB_CNT_CUR_NOT_NULL sy-vline 
WA_CVS_PROABS_STR-PB_RBX_CUR_NOT_NULL sy-vline 
WA_CVS_PROABS_STR-COVRESET1_NOT_NULL sy-vline 
WA_CVS_PROABS_STR-UNICODE sy-vline 
WA_CVS_PROABS_STR-TESTED sy-vline 
WA_CVS_PROABS_STR-LED sy-vline 
WA_CVS_PROABS_STR-ICON sy-vline 
WA_CVS_PROABS_STR-TOTAL sy-vline 
WA_CVS_PROABS_STR-FREQ2 sy-vline 
WA_CVS_PROABS_STR-VARIANZ sy-vline 
WA_CVS_PROABS_STR-LOADSIZE sy-vline 
WA_CVS_PROABS_STR-AUTHOR sy-vline 
WA_CVS_PROABS_STR-DEVCLASS sy-vline 
WA_CVS_PROABS_STR-COVRESET1 sy-vline 
WA_CVS_PROABS_STR-COVRESET2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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