ABAP Select data from SAP table FMPPS_EF_KBLPS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMPPS_EF_KBLPS
*  INTO TABLE @DATA(IT_FMPPS_EF_KBLPS2).
*--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_FMPPS_EF_KBLPS INDEX 1 INTO DATA(WA_FMPPS_EF_KBLPS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMPPS_EF_KBLPS>-MANDT = 1.
<FMPPS_EF_KBLPS>-BELNR = 1.
<FMPPS_EF_KBLPS>-BLPOS = 1.
<FMPPS_EF_KBLPS>-BPENT = 1.
<FMPPS_EF_KBLPS>-XPLUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMPPS_EF_KBLPS-XMINUS, sy-vline,
  WA_FMPPS_EF_KBLPS-BLDAT, sy-vline,
  WA_FMPPS_EF_KBLPS-ERFAS, sy-vline,
  WA_FMPPS_EF_KBLPS-ERDAT, sy-vline,
  WA_FMPPS_EF_KBLPS-AENDE, sy-vline,
  WA_FMPPS_EF_KBLPS-AEDAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMPPS_EF_KBLPS 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_FMPPS_EF_KBLPS 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_FMPPS_EF_KBLPS INTO WA_FMPPS_EF_KBLPS.


*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.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMPPS_EF_KBLPS-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPPS_EF_KBLPS-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FMPPS_EF_KBLPS-KURSF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMPPS_EF_KBLPS-KURSF.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FMPPS_EF_KBLPS_STR, 
MANDT TYPE STRING,
BELNR TYPE STRING,
BLPOS TYPE STRING,
BPENT TYPE STRING,
XPLUS TYPE STRING,
XMINUS TYPE STRING,
BLDAT TYPE STRING,
ERFAS TYPE STRING,
ERDAT TYPE STRING,
AENDE TYPE STRING,
AEDAT TYPE STRING,
BTEXT TYPE STRING,
WTSUPP TYPE STRING,
HWSUPP TYPE STRING,
APPSTATUS TYPE STRING,
SUPPAPP TYPE STRING,
REASON TYPE STRING,
PMLOCK TYPE STRING,
WAERS TYPE STRING,
HWAER TYPE STRING,
WWERT TYPE STRING,
KURSF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMPPS_EF_KBLPS_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_FMPPS_EF_KBLPS_STR-MANDT sy-vline 
WA_FMPPS_EF_KBLPS_STR-BELNR sy-vline 
WA_FMPPS_EF_KBLPS_STR-BLPOS sy-vline 
WA_FMPPS_EF_KBLPS_STR-BPENT sy-vline 
WA_FMPPS_EF_KBLPS_STR-XPLUS sy-vline 
WA_FMPPS_EF_KBLPS_STR-XMINUS sy-vline 
WA_FMPPS_EF_KBLPS_STR-BLDAT sy-vline 
WA_FMPPS_EF_KBLPS_STR-ERFAS sy-vline 
WA_FMPPS_EF_KBLPS_STR-ERDAT sy-vline 
WA_FMPPS_EF_KBLPS_STR-AENDE sy-vline 
WA_FMPPS_EF_KBLPS_STR-AEDAT sy-vline 
WA_FMPPS_EF_KBLPS_STR-BTEXT sy-vline 
WA_FMPPS_EF_KBLPS_STR-WTSUPP sy-vline 
WA_FMPPS_EF_KBLPS_STR-HWSUPP sy-vline 
WA_FMPPS_EF_KBLPS_STR-APPSTATUS sy-vline 
WA_FMPPS_EF_KBLPS_STR-SUPPAPP sy-vline 
WA_FMPPS_EF_KBLPS_STR-REASON sy-vline 
WA_FMPPS_EF_KBLPS_STR-PMLOCK sy-vline 
WA_FMPPS_EF_KBLPS_STR-WAERS sy-vline 
WA_FMPPS_EF_KBLPS_STR-HWAER sy-vline 
WA_FMPPS_EF_KBLPS_STR-WWERT sy-vline 
WA_FMPPS_EF_KBLPS_STR-KURSF sy-vline      INTO ld_text SEPARATED BY SPACE.

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