ABAP Select data from SAP table VCMS_RIG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VCMS_RIG
*  INTO TABLE @DATA(IT_VCMS_RIG2).
*--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_VCMS_RIG INDEX 1 INTO DATA(WA_VCMS_RIG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VCMS_RIG>-MANDT = 1.
<VCMS_RIG>-RIG_GUID = 1.
<VCMS_RIG>-RIG_CATEGORY = 1.
<VCMS_RIG>-RIG_TYP = 1.
<VCMS_RIG>-RIG_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VCMS_RIG-ADD_DESCR, sy-vline,
  WA_VCMS_RIG-DURATION_BEGIN, sy-vline,
  WA_VCMS_RIG-DURATION_END, sy-vline,
  WA_VCMS_RIG-CLASSIFICATION, sy-vline,
  WA_VCMS_RIG-EXT_ITM_NO, sy-vline,
  WA_VCMS_RIG-EXT_REFERENCE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VCMS_RIG 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_VCMS_RIG 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_VCMS_RIG INTO WA_VCMS_RIG.


*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.

*Conversion exit ALPHA, internal->external for field RIG_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCMS_RIG-RIG_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCMS_RIG-RIG_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EXT_ITM_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCMS_RIG-EXT_ITM_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCMS_RIG-EXT_ITM_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PATENT_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCMS_RIG-PATENT_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCMS_RIG-PATENT_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADDR_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCMS_RIG-ADDR_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCMS_RIG-ADDR_ID.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_VCMS_RIG_STR, 
MANDT TYPE STRING,
RIG_GUID TYPE STRING,
RIG_CATEGORY TYPE STRING,
RIG_TYP TYPE STRING,
RIG_ID TYPE STRING,
ADD_DESCR TYPE STRING,
DURATION_BEGIN TYPE STRING,
DURATION_END TYPE STRING,
CLASSIFICATION TYPE STRING,
EXT_ITM_NO TYPE STRING,
EXT_REFERENCE TYPE STRING,
NOTAR_DATE TYPE STRING,
REGIS_DATE TYPE STRING,
PATENT_NO TYPE STRING,
REGISTRY_NO TYPE STRING,
PATENT_OFFICE TYPE STRING,
ADD_PPTY_RIG TYPE STRING,
PAT_PARENT_GUID TYPE STRING,
DUE_DATE TYPE STRING,
COMPOSITION TYPE STRING,
SAV_SUM TYPE STRING,
PROVBADDEBT_AMT TYPE STRING,
PROVBADDEBT_CURR TYPE STRING,
ADDR_ID TYPE STRING,
ACC_NUMBER TYPE STRING,
BANK_COUNTRY_KEY TYPE STRING,
BANK_KEY TYPE STRING,
BANK_CTRL_KEY TYPE STRING,
ADMIN_ORG_UNIT TYPE STRING,
BANKAREA TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
SOURCEOFENTRY TYPE STRING,
BUPR_ID TYPE STRING,
BUPR_TYPE_CODE TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VCMS_RIG_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_VCMS_RIG_STR-MANDT sy-vline 
WA_VCMS_RIG_STR-RIG_GUID sy-vline 
WA_VCMS_RIG_STR-RIG_CATEGORY sy-vline 
WA_VCMS_RIG_STR-RIG_TYP sy-vline 
WA_VCMS_RIG_STR-RIG_ID sy-vline 
WA_VCMS_RIG_STR-ADD_DESCR sy-vline 
WA_VCMS_RIG_STR-DURATION_BEGIN sy-vline 
WA_VCMS_RIG_STR-DURATION_END sy-vline 
WA_VCMS_RIG_STR-CLASSIFICATION sy-vline 
WA_VCMS_RIG_STR-EXT_ITM_NO sy-vline 
WA_VCMS_RIG_STR-EXT_REFERENCE sy-vline 
WA_VCMS_RIG_STR-NOTAR_DATE sy-vline 
WA_VCMS_RIG_STR-REGIS_DATE sy-vline 
WA_VCMS_RIG_STR-PATENT_NO sy-vline 
WA_VCMS_RIG_STR-REGISTRY_NO sy-vline 
WA_VCMS_RIG_STR-PATENT_OFFICE sy-vline 
WA_VCMS_RIG_STR-ADD_PPTY_RIG sy-vline 
WA_VCMS_RIG_STR-PAT_PARENT_GUID sy-vline 
WA_VCMS_RIG_STR-DUE_DATE sy-vline 
WA_VCMS_RIG_STR-COMPOSITION sy-vline 
WA_VCMS_RIG_STR-SAV_SUM sy-vline 
WA_VCMS_RIG_STR-PROVBADDEBT_AMT sy-vline 
WA_VCMS_RIG_STR-PROVBADDEBT_CURR sy-vline 
WA_VCMS_RIG_STR-ADDR_ID sy-vline 
WA_VCMS_RIG_STR-ACC_NUMBER sy-vline 
WA_VCMS_RIG_STR-BANK_COUNTRY_KEY sy-vline 
WA_VCMS_RIG_STR-BANK_KEY sy-vline 
WA_VCMS_RIG_STR-BANK_CTRL_KEY sy-vline 
WA_VCMS_RIG_STR-ADMIN_ORG_UNIT sy-vline 
WA_VCMS_RIG_STR-BANKAREA sy-vline 
WA_VCMS_RIG_STR-CREATED_BY sy-vline 
WA_VCMS_RIG_STR-CREATED_AT sy-vline 
WA_VCMS_RIG_STR-CHANGED_BY sy-vline 
WA_VCMS_RIG_STR-CHANGED_AT sy-vline 
WA_VCMS_RIG_STR-SOURCEOFENTRY sy-vline 
WA_VCMS_RIG_STR-BUPR_ID sy-vline 
WA_VCMS_RIG_STR-BUPR_TYPE_CODE sy-vline 
WA_VCMS_RIG_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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