ABAP Select data from SAP table CVS_SELECT into internal table

Get Example source ABAP code based on a different SAP table
  

Below is a number of ABAP code snippets to demonstrate how to select data from SAP CVS_SELECT 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_SELECT. 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_SELECT 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_SELECT TYPE STANDARD TABLE OF CVS_SELECT,
      WA_CVS_SELECT TYPE CVS_SELECT,
      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_SELECT> TYPE CVS_SELECT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CVS_SELECT
*  INTO TABLE @DATA(IT_CVS_SELECT2).
*--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_SELECT INDEX 1 INTO DATA(WA_CVS_SELECT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CVS_SELECT ASSIGNING <CVS_SELECT>.
*To update a field value using a field symbol simply change the value via the field symbol pointer
<CVS_SELECT>-SOTKY = 1.
<CVS_SELECT>-SODEV = 1.
<CVS_SELECT>-SOAUT = 1.
<CVS_SELECT>-SOOBN = 1.
<CVS_SELECT>-SOOBJ = 1.
ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CVS_SELECT-SONAM, sy-vline,
WA_CVS_SELECT-SOTYP, sy-vline,
WA_CVS_SELECT-SOCLA, sy-vline,
WA_CVS_SELECT-SOCO1, sy-vline,
WA_CVS_SELECT-SOCO2, sy-vline,
WA_CVS_SELECT-SORA1, sy-vline.
ENDLOOP. *Add any further fields from structure WA_CVS_SELECT 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_SELECT 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_SELECT INTO WA_CVS_SELECT. *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_SELECT_STR,
SOTKY TYPE STRING,
SODEV TYPE STRING,
SOAUT TYPE STRING,
SOOBN TYPE STRING,
SOOBJ TYPE STRING,
SONAM TYPE STRING,
SOTYP TYPE STRING,
SOCLA TYPE STRING,
SOCO1 TYPE STRING,
SOCO2 TYPE STRING,
SORA1 TYPE STRING,
SORA2 TYPE STRING,
SORE1 TYPE STRING,
SOUNI TYPE STRING,
SOPDE TYPE STRING,END OF T_EKKO_STR. DATA: WA_CVS_SELECT_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_SELECT_STR-SOTKY sy-vline
WA_CVS_SELECT_STR-SODEV sy-vline
WA_CVS_SELECT_STR-SOAUT sy-vline
WA_CVS_SELECT_STR-SOOBN sy-vline
WA_CVS_SELECT_STR-SOOBJ sy-vline
WA_CVS_SELECT_STR-SONAM sy-vline
WA_CVS_SELECT_STR-SOTYP sy-vline
WA_CVS_SELECT_STR-SOCLA sy-vline
WA_CVS_SELECT_STR-SOCO1 sy-vline
WA_CVS_SELECT_STR-SOCO2 sy-vline
WA_CVS_SELECT_STR-SORA1 sy-vline
WA_CVS_SELECT_STR-SORA2 sy-vline
WA_CVS_SELECT_STR-SORE1 sy-vline
WA_CVS_SELECT_STR-SOUNI sy-vline
WA_CVS_SELECT_STR-SOPDE sy-vline INTO ld_text SEPARATED BY SPACE. *Add any further fields from structure WA_EKKO_STR you want to CONCATENATE... ENDLOOP. ENDFORM.