ABAP Select data from SAP table /SAPAPO/VPTCALL2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/VPTCALL2 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 /SAPAPO/VPTCALL2. 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 /SAPAPO/VPTCALL2 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_/SAPAPO/VPTCALL2 TYPE STANDARD TABLE OF /SAPAPO/VPTCALL2,
      WA_/SAPAPO/VPTCALL2 TYPE /SAPAPO/VPTCALL2,
      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: </SAPAPO/VPTCALL2> TYPE /SAPAPO/VPTCALL2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPAPO/VPTCALL2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/VPTCALL2
  INTO TABLE IT_/SAPAPO/VPTCALL2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/VPTCALL2
*  INTO TABLE @DATA(IT_/SAPAPO/VPTCALL22).
*--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_/SAPAPO/VPTCALL2 INDEX 1 INTO DATA(WA_/SAPAPO/VPTCALL22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/VPTCALL2 ASSIGNING </SAPAPO/VPTCALL2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/VPTCALL2>-MANDT = 1.
</SAPAPO/VPTCALL2>-PROFIL_ID = 1.
</SAPAPO/VPTCALL2>-PT_USAGE = 1.
</SAPAPO/VPTCALL2>-POS = 1.
</SAPAPO/VPTCALL2>-KTEXT = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/VPTCALL2 INTO WA_/SAPAPO/VPTCALL2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/VPTCALL2-LTEXT, sy-vline,
  WA_/SAPAPO/VPTCALL2-PROF_DYN, sy-vline,
  WA_/SAPAPO/VPTCALL2-PROF_SCR, sy-vline,
  WA_/SAPAPO/VPTCALL2-PROF_PER, sy-vline,
  WA_/SAPAPO/VPTCALL2-PROF_BTN, sy-vline,
  WA_/SAPAPO/VPTCALL2-PROF_COLOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/VPTCALL2 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_/SAPAPO/VPTCALL2 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_/SAPAPO/VPTCALL2 INTO WA_/SAPAPO/VPTCALL2.


*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_/SAPAPO/VPTCALL2_STR, 
MANDT TYPE STRING,
PROFIL_ID TYPE STRING,
PT_USAGE TYPE STRING,
POS TYPE STRING,
KTEXT TYPE STRING,
LTEXT TYPE STRING,
PROF_DYN TYPE STRING,
PROF_SCR TYPE STRING,
PROF_PER TYPE STRING,
PROF_BTN TYPE STRING,
PROF_COLOR TYPE STRING,
PROF_TEXT TYPE STRING,
PROF_PROD TYPE STRING,
PROF_CBCL TYPE STRING,
PROF_CAPA TYPE STRING,
PROF_RESP TYPE STRING,
PROF_GPTL TYPE STRING,
PROF_PMON TYPE STRING,
PROF_HEUR TYPE STRING,
PROF_OPTI TYPE STRING,
PROF_ALLG TYPE STRING,
PROF_TREE TYPE STRING,
PROF_SORT TYPE STRING,
PROF_SRVP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/VPTCALL2_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_/SAPAPO/VPTCALL2_STR-MANDT sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROFIL_ID sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PT_USAGE sy-vline 
WA_/SAPAPO/VPTCALL2_STR-POS sy-vline 
WA_/SAPAPO/VPTCALL2_STR-KTEXT sy-vline 
WA_/SAPAPO/VPTCALL2_STR-LTEXT sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_DYN sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_SCR sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_PER sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_BTN sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_COLOR sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_TEXT sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_PROD sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_CBCL sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_CAPA sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_RESP sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_GPTL sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_PMON sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_HEUR sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_OPTI sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_ALLG sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_TREE sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_SORT sy-vline 
WA_/SAPAPO/VPTCALL2_STR-PROF_SRVP sy-vline      INTO ld_text SEPARATED BY SPACE.

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