ABAP Select data from SAP table PB03_F4FIELD_ATTR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PB03_F4FIELD_ATTR 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 PB03_F4FIELD_ATTR. 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 PB03_F4FIELD_ATTR 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_PB03_F4FIELD_ATTR TYPE STANDARD TABLE OF PB03_F4FIELD_ATTR,
      WA_PB03_F4FIELD_ATTR TYPE PB03_F4FIELD_ATTR,
      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: <PB03_F4FIELD_ATTR> TYPE PB03_F4FIELD_ATTR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PB03_F4FIELD_ATTR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PB03_F4FIELD_ATTR
  INTO TABLE IT_PB03_F4FIELD_ATTR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PB03_F4FIELD_ATTR
*  INTO TABLE @DATA(IT_PB03_F4FIELD_ATTR2).
*--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_PB03_F4FIELD_ATTR INDEX 1 INTO DATA(WA_PB03_F4FIELD_ATTR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PB03_F4FIELD_ATTR ASSIGNING <PB03_F4FIELD_ATTR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PB03_F4FIELD_ATTR>-MANDTA = 1.
<PB03_F4FIELD_ATTR>-DISGRPA = 1.
<PB03_F4FIELD_ATTR>-DISSGRPA = 1.
<PB03_F4FIELD_ATTR>-FGROUPA = 1.
<PB03_F4FIELD_ATTR>-TNAMEA = 1.

ENDLOOP.

LOOP AT IT_PB03_F4FIELD_ATTR INTO WA_PB03_F4FIELD_ATTR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PB03_F4FIELD_ATTR-RETFIELDA, sy-vline,
  WA_PB03_F4FIELD_ATTR-MANDTF, sy-vline,
  WA_PB03_F4FIELD_ATTR-DISGRPF, sy-vline,
  WA_PB03_F4FIELD_ATTR-DISSGRPF, sy-vline,
  WA_PB03_F4FIELD_ATTR-FGROUPF, sy-vline,
  WA_PB03_F4FIELD_ATTR-SEQNRF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PB03_F4FIELD_ATTR 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_PB03_F4FIELD_ATTR 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_PB03_F4FIELD_ATTR INTO WA_PB03_F4FIELD_ATTR.


*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_PB03_F4FIELD_ATTR_STR, 
MANDTA TYPE STRING,
DISGRPA TYPE STRING,
DISSGRPA TYPE STRING,
FGROUPA TYPE STRING,
TNAMEA TYPE STRING,
RETFIELDA TYPE STRING,
MANDTF TYPE STRING,
DISGRPF TYPE STRING,
DISSGRPF TYPE STRING,
FGROUPF TYPE STRING,
SEQNRF TYPE STRING,
FNAMEF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PB03_F4FIELD_ATTR_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_PB03_F4FIELD_ATTR_STR-MANDTA sy-vline 
WA_PB03_F4FIELD_ATTR_STR-DISGRPA sy-vline 
WA_PB03_F4FIELD_ATTR_STR-DISSGRPA sy-vline 
WA_PB03_F4FIELD_ATTR_STR-FGROUPA sy-vline 
WA_PB03_F4FIELD_ATTR_STR-TNAMEA sy-vline 
WA_PB03_F4FIELD_ATTR_STR-RETFIELDA sy-vline 
WA_PB03_F4FIELD_ATTR_STR-MANDTF sy-vline 
WA_PB03_F4FIELD_ATTR_STR-DISGRPF sy-vline 
WA_PB03_F4FIELD_ATTR_STR-DISSGRPF sy-vline 
WA_PB03_F4FIELD_ATTR_STR-FGROUPF sy-vline 
WA_PB03_F4FIELD_ATTR_STR-SEQNRF sy-vline 
WA_PB03_F4FIELD_ATTR_STR-FNAMEF sy-vline      INTO ld_text SEPARATED BY SPACE.

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