ABAP Select data from SAP table PPT_FORM_OVERCOM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PPT_FORM_OVERCOM
*  INTO TABLE @DATA(IT_PPT_FORM_OVERCOM2).
*--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_PPT_FORM_OVERCOM INDEX 1 INTO DATA(WA_PPT_FORM_OVERCOM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PPT_FORM_OVERCOM>-BUKRS = 1.
<PPT_FORM_OVERCOM>-WERKS = 1.
<PPT_FORM_OVERCOM>-BTRTL = 1.
<PPT_FORM_OVERCOM>-SATXT = 1.
<PPT_FORM_OVERCOM>-SALOC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PPT_FORM_OVERCOM-SAADR, sy-vline,
  WA_PPT_FORM_OVERCOM-CODP, sy-vline,
  WA_PPT_FORM_OVERCOM-DISTR, sy-vline,
  WA_PPT_FORM_OVERCOM-COUNC, sy-vline,
  WA_PPT_FORM_OVERCOM-EMFSL, sy-vline,
  WA_PPT_FORM_OVERCOM-EMFNA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PPT_FORM_OVERCOM 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_PPT_FORM_OVERCOM 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_PPT_FORM_OVERCOM INTO WA_PPT_FORM_OVERCOM.


*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_PPT_FORM_OVERCOM_STR, 
BUKRS TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
SATXT TYPE STRING,
SALOC TYPE STRING,
SAADR TYPE STRING,
CODP TYPE STRING,
DISTR TYPE STRING,
COUNC TYPE STRING,
EMFSL TYPE STRING,
EMFNA TYPE STRING,
LGART TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PPT_FORM_OVERCOM_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_PPT_FORM_OVERCOM_STR-BUKRS sy-vline 
WA_PPT_FORM_OVERCOM_STR-WERKS sy-vline 
WA_PPT_FORM_OVERCOM_STR-BTRTL sy-vline 
WA_PPT_FORM_OVERCOM_STR-SATXT sy-vline 
WA_PPT_FORM_OVERCOM_STR-SALOC sy-vline 
WA_PPT_FORM_OVERCOM_STR-SAADR sy-vline 
WA_PPT_FORM_OVERCOM_STR-CODP sy-vline 
WA_PPT_FORM_OVERCOM_STR-DISTR sy-vline 
WA_PPT_FORM_OVERCOM_STR-COUNC sy-vline 
WA_PPT_FORM_OVERCOM_STR-EMFSL sy-vline 
WA_PPT_FORM_OVERCOM_STR-EMFNA sy-vline 
WA_PPT_FORM_OVERCOM_STR-LGART sy-vline      INTO ld_text SEPARATED BY SPACE.

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