ABAP Select data from SAP table FPB_S_CMPERSPARM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FPB_S_CMPERSPARM
*  INTO TABLE @DATA(IT_FPB_S_CMPERSPARM2).
*--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_FPB_S_CMPERSPARM INDEX 1 INTO DATA(WA_FPB_S_CMPERSPARM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FPB_S_CMPERSPARM>-MANDT = 1.
<FPB_S_CMPERSPARM>-PERSKEYTP = 1.
<FPB_S_CMPERSPARM>-PERSKEY = 1.
<FPB_S_CMPERSPARM>-APPLID = 1.
<FPB_S_CMPERSPARM>-FIELDNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FPB_S_CMPERSPARM-ORIGIN, sy-vline,
  WA_FPB_S_CMPERSPARM-DATETO, sy-vline,
  WA_FPB_S_CMPERSPARM-FIELDINDEX, sy-vline,
  WA_FPB_S_CMPERSPARM-DATEFROM, sy-vline,
  WA_FPB_S_CMPERSPARM-NOAUTH, sy-vline,
  WA_FPB_S_CMPERSPARM-USERNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FPB_S_CMPERSPARM 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_FPB_S_CMPERSPARM 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_FPB_S_CMPERSPARM INTO WA_FPB_S_CMPERSPARM.


*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_FPB_S_CMPERSPARM_STR, 
MANDT TYPE STRING,
PERSKEYTP TYPE STRING,
PERSKEY TYPE STRING,
APPLID TYPE STRING,
FIELDNAME TYPE STRING,
ORIGIN TYPE STRING,
DATETO TYPE STRING,
FIELDINDEX TYPE STRING,
DATEFROM TYPE STRING,
NOAUTH TYPE STRING,
USERNAME TYPE STRING,
TIMESTMP TYPE STRING,
FIELDTYPE TYPE STRING,
SEL_SIGN TYPE STRING,
SEL_OPTION TYPE STRING,
LOW TYPE STRING,
HIGH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FPB_S_CMPERSPARM_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_FPB_S_CMPERSPARM_STR-MANDT sy-vline 
WA_FPB_S_CMPERSPARM_STR-PERSKEYTP sy-vline 
WA_FPB_S_CMPERSPARM_STR-PERSKEY sy-vline 
WA_FPB_S_CMPERSPARM_STR-APPLID sy-vline 
WA_FPB_S_CMPERSPARM_STR-FIELDNAME sy-vline 
WA_FPB_S_CMPERSPARM_STR-ORIGIN sy-vline 
WA_FPB_S_CMPERSPARM_STR-DATETO sy-vline 
WA_FPB_S_CMPERSPARM_STR-FIELDINDEX sy-vline 
WA_FPB_S_CMPERSPARM_STR-DATEFROM sy-vline 
WA_FPB_S_CMPERSPARM_STR-NOAUTH sy-vline 
WA_FPB_S_CMPERSPARM_STR-USERNAME sy-vline 
WA_FPB_S_CMPERSPARM_STR-TIMESTMP sy-vline 
WA_FPB_S_CMPERSPARM_STR-FIELDTYPE sy-vline 
WA_FPB_S_CMPERSPARM_STR-SEL_SIGN sy-vline 
WA_FPB_S_CMPERSPARM_STR-SEL_OPTION sy-vline 
WA_FPB_S_CMPERSPARM_STR-LOW sy-vline 
WA_FPB_S_CMPERSPARM_STR-HIGH sy-vline      INTO ld_text SEPARATED BY SPACE.

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