ABAP Select data from SAP table BAPIPAPROP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPIPAPROP
*  INTO TABLE @DATA(IT_BAPIPAPROP2).
*--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_BAPIPAPROP INDEX 1 INTO DATA(WA_BAPIPAPROP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPIPAPROP>-RELVALTYPE = 1.
<BAPIPAPROP>-THRESHDIR = 1.
<BAPIPAPROP>-THRESHSTAT = 1.
<BAPIPAPROP>-TRESHG2Y = 1.
<BAPIPAPROP>-TRESHY2R = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPIPAPROP-TRESHY2G, sy-vline,
  WA_BAPIPAPROP-TRESHR2Y, sy-vline,
  WA_BAPIPAPROP-MSGCLASS, sy-vline,
  WA_BAPIPAPROP-MSGID, sy-vline,
  WA_BAPIPAPROP-ATTRGROUP, sy-vline,
  WA_BAPIPAPROP-VALUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPIPAPROP 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_BAPIPAPROP 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_BAPIPAPROP INTO WA_BAPIPAPROP.


*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_BAPIPAPROP_STR, 
RELVALTYPE TYPE STRING,
THRESHDIR TYPE STRING,
THRESHSTAT TYPE STRING,
TRESHG2Y TYPE STRING,
TRESHY2R TYPE STRING,
TRESHY2G TYPE STRING,
TRESHR2Y TYPE STRING,
MSGCLASS TYPE STRING,
MSGID TYPE STRING,
ATTRGROUP TYPE STRING,
VALUNIT TYPE STRING,
DECIMALS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPIPAPROP_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_BAPIPAPROP_STR-RELVALTYPE sy-vline 
WA_BAPIPAPROP_STR-THRESHDIR sy-vline 
WA_BAPIPAPROP_STR-THRESHSTAT sy-vline 
WA_BAPIPAPROP_STR-TRESHG2Y sy-vline 
WA_BAPIPAPROP_STR-TRESHY2R sy-vline 
WA_BAPIPAPROP_STR-TRESHY2G sy-vline 
WA_BAPIPAPROP_STR-TRESHR2Y sy-vline 
WA_BAPIPAPROP_STR-MSGCLASS sy-vline 
WA_BAPIPAPROP_STR-MSGID sy-vline 
WA_BAPIPAPROP_STR-ATTRGROUP sy-vline 
WA_BAPIPAPROP_STR-VALUNIT sy-vline 
WA_BAPIPAPROP_STR-DECIMALS sy-vline      INTO ld_text SEPARATED BY SPACE.

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