ABAP Select data from SAP table VFMCCRTVENDORPOC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VFMCCRTVENDORPOC
*  INTO TABLE @DATA(IT_VFMCCRTVENDORPOC2).
*--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_VFMCCRTVENDORPOC INDEX 1 INTO DATA(WA_VFMCCRTVENDORPOC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VFMCCRTVENDORPOC>-MANDT = 1.
<VFMCCRTVENDORPOC>-DUNS = 1.
<VFMCCRTVENDORPOC>-DUNS4 = 1.
<VFMCCRTVENDORPOC>-CAGE = 1.
<VFMCCRTVENDORPOC>-TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VFMCCRTVENDORPOC-POC, sy-vline,
  WA_VFMCCRTVENDORPOC-STADD1, sy-vline,
  WA_VFMCCRTVENDORPOC-STADD2, sy-vline,
  WA_VFMCCRTVENDORPOC-CITY, sy-vline,
  WA_VFMCCRTVENDORPOC-POSTAL, sy-vline,
  WA_VFMCCRTVENDORPOC-FOREIGN_PROVINCE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VFMCCRTVENDORPOC 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_VFMCCRTVENDORPOC 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_VFMCCRTVENDORPOC INTO WA_VFMCCRTVENDORPOC.


*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_VFMCCRTVENDORPOC_STR, 
MANDT TYPE STRING,
DUNS TYPE STRING,
DUNS4 TYPE STRING,
CAGE TYPE STRING,
TYPE TYPE STRING,
POC TYPE STRING,
STADD1 TYPE STRING,
STADD2 TYPE STRING,
CITY TYPE STRING,
POSTAL TYPE STRING,
FOREIGN_PROVINCE TYPE STRING,
COUNTRY TYPE STRING,
STATE TYPE STRING,
PHONE TYPE STRING,
EXT TYPE STRING,
NONUSPHONE TYPE STRING,
FAX TYPE STRING,
EMAIL TYPE STRING,
POC_DUNS TYPE STRING,
POC_RECDATE TYPE STRING,
POC_RECTIME TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VFMCCRTVENDORPOC_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_VFMCCRTVENDORPOC_STR-MANDT sy-vline 
WA_VFMCCRTVENDORPOC_STR-DUNS sy-vline 
WA_VFMCCRTVENDORPOC_STR-DUNS4 sy-vline 
WA_VFMCCRTVENDORPOC_STR-CAGE sy-vline 
WA_VFMCCRTVENDORPOC_STR-TYPE sy-vline 
WA_VFMCCRTVENDORPOC_STR-POC sy-vline 
WA_VFMCCRTVENDORPOC_STR-STADD1 sy-vline 
WA_VFMCCRTVENDORPOC_STR-STADD2 sy-vline 
WA_VFMCCRTVENDORPOC_STR-CITY sy-vline 
WA_VFMCCRTVENDORPOC_STR-POSTAL sy-vline 
WA_VFMCCRTVENDORPOC_STR-FOREIGN_PROVINCE sy-vline 
WA_VFMCCRTVENDORPOC_STR-COUNTRY sy-vline 
WA_VFMCCRTVENDORPOC_STR-STATE sy-vline 
WA_VFMCCRTVENDORPOC_STR-PHONE sy-vline 
WA_VFMCCRTVENDORPOC_STR-EXT sy-vline 
WA_VFMCCRTVENDORPOC_STR-NONUSPHONE sy-vline 
WA_VFMCCRTVENDORPOC_STR-FAX sy-vline 
WA_VFMCCRTVENDORPOC_STR-EMAIL sy-vline 
WA_VFMCCRTVENDORPOC_STR-POC_DUNS sy-vline 
WA_VFMCCRTVENDORPOC_STR-POC_RECDATE sy-vline 
WA_VFMCCRTVENDORPOC_STR-POC_RECTIME sy-vline 
WA_VFMCCRTVENDORPOC_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.