ABAP Select data from SAP table FMRE10_P into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FMRE10_P 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 FMRE10_P. 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 FMRE10_P 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_FMRE10_P TYPE STANDARD TABLE OF FMRE10_P,
      WA_FMRE10_P TYPE FMRE10_P,
      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: <FMRE10_P> TYPE FMRE10_P.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FMRE10_P.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FMRE10_P
  INTO TABLE IT_FMRE10_P.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMRE10_P
*  INTO TABLE @DATA(IT_FMRE10_P2).
*--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_FMRE10_P INDEX 1 INTO DATA(WA_FMRE10_P2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FMRE10_P ASSIGNING <FMRE10_P>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMRE10_P>-BELNR = 1.
<FMRE10_P>-BLPOS = 1.
<FMRE10_P>-WTGES = 1.
<FMRE10_P>-FIPOS = 1.
<FMRE10_P>-FISTL = 1.

ENDLOOP.

LOOP AT IT_FMRE10_P INTO WA_FMRE10_P.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMRE10_P-BUDGET_PD, sy-vline,
  WA_FMRE10_P-GEBER, sy-vline,
  WA_FMRE10_P-FKBER, sy-vline,
  WA_FMRE10_P-GRANT_NBR, sy-vline,
  WA_FMRE10_P-SAKNR, sy-vline,
  WA_FMRE10_P-KOSTL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMRE10_P 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_FMRE10_P 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_FMRE10_P INTO WA_FMRE10_P.


*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_FMRE10_P-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-FIPOS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-SAKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-SAKNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-MEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-NPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-NPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LNRZA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-LNRZA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-LNRZA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFBLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-REFBLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-REFBLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field KURSUP
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-KURSUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-KURSUP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit IMKEY, internal->external for field IMKEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_FMRE10_P-IMKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMRE10_P-IMKEY.
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_FMRE10_P_STR, 
BELNR TYPE STRING,
BLPOS TYPE STRING,
WTGES TYPE STRING,
FIPOS TYPE STRING,
FISTL TYPE STRING,
BUDGET_PD TYPE STRING,
GEBER TYPE STRING,
FKBER TYPE STRING,
GRANT_NBR TYPE STRING,
SAKNR TYPE STRING,
KOSTL TYPE STRING,
AUFNR TYPE STRING,
PS_PSP_PNR TYPE STRING,
WTFREE TYPE STRING,
PTEXT TYPE STRING,
BUDAT TYPE STRING,
ERLKZ TYPE STRING,
ERLDAT TYPE STRING,
LOEKZ TYPE STRING,
MENGE TYPE STRING,
MEINH TYPE STRING,
PREIS TYPE STRING,
PEINH TYPE STRING,
FDATK TYPE STRING,
MATNR TYPE STRING,
LIFNR TYPE STRING,
XSENDER TYPE STRING,
XEMPFGR TYPE STRING,
NPLNR TYPE STRING,
VORNR TYPE STRING,
BLPKZ TYPE STRING,
UEBTO TYPE STRING,
ABGWAEARS TYPE STRING,
WKAPP TYPE STRING,
CARRYOV TYPE STRING,
LNRZA TYPE STRING,
REFBLTYP TYPE STRING,
REFBLNR TYPE STRING,
REFBLPOS TYPE STRING,
DELTAWTAPP TYPE STRING,
DELTAHWAPP TYPE STRING,
KUNNR TYPE STRING,
KURSUP TYPE STRING,
DATUP TYPE STRING,
HWFREE TYPE STRING,
WTORIG TYPE STRING,
HWORIG TYPE STRING,
POSLOCK TYPE STRING,
PMACTIVE TYPE STRING,
HWGES TYPE STRING,
CONSUMEKZ TYPE STRING,
ACCHANG TYPE STRING,
WAERS TYPE STRING,
HWAER TYPE STRING,
FIKRS TYPE STRING,
STATS TYPE STRING,
IMKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMRE10_P_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_FMRE10_P_STR-BELNR sy-vline 
WA_FMRE10_P_STR-BLPOS sy-vline 
WA_FMRE10_P_STR-WTGES sy-vline 
WA_FMRE10_P_STR-FIPOS sy-vline 
WA_FMRE10_P_STR-FISTL sy-vline 
WA_FMRE10_P_STR-BUDGET_PD sy-vline 
WA_FMRE10_P_STR-GEBER sy-vline 
WA_FMRE10_P_STR-FKBER sy-vline 
WA_FMRE10_P_STR-GRANT_NBR sy-vline 
WA_FMRE10_P_STR-SAKNR sy-vline 
WA_FMRE10_P_STR-KOSTL sy-vline 
WA_FMRE10_P_STR-AUFNR sy-vline 
WA_FMRE10_P_STR-PS_PSP_PNR sy-vline 
WA_FMRE10_P_STR-WTFREE sy-vline 
WA_FMRE10_P_STR-PTEXT sy-vline 
WA_FMRE10_P_STR-BUDAT sy-vline 
WA_FMRE10_P_STR-ERLKZ sy-vline 
WA_FMRE10_P_STR-ERLDAT sy-vline 
WA_FMRE10_P_STR-LOEKZ sy-vline 
WA_FMRE10_P_STR-MENGE sy-vline 
WA_FMRE10_P_STR-MEINH sy-vline 
WA_FMRE10_P_STR-PREIS sy-vline 
WA_FMRE10_P_STR-PEINH sy-vline 
WA_FMRE10_P_STR-FDATK sy-vline 
WA_FMRE10_P_STR-MATNR sy-vline 
WA_FMRE10_P_STR-LIFNR sy-vline 
WA_FMRE10_P_STR-XSENDER sy-vline 
WA_FMRE10_P_STR-XEMPFGR sy-vline 
WA_FMRE10_P_STR-NPLNR sy-vline 
WA_FMRE10_P_STR-VORNR sy-vline 
WA_FMRE10_P_STR-BLPKZ sy-vline 
WA_FMRE10_P_STR-UEBTO sy-vline 
WA_FMRE10_P_STR-ABGWAEARS sy-vline 
WA_FMRE10_P_STR-WKAPP sy-vline 
WA_FMRE10_P_STR-CARRYOV sy-vline 
WA_FMRE10_P_STR-LNRZA sy-vline 
WA_FMRE10_P_STR-REFBLTYP sy-vline 
WA_FMRE10_P_STR-REFBLNR sy-vline 
WA_FMRE10_P_STR-REFBLPOS sy-vline 
WA_FMRE10_P_STR-DELTAWTAPP sy-vline 
WA_FMRE10_P_STR-DELTAHWAPP sy-vline 
WA_FMRE10_P_STR-KUNNR sy-vline 
WA_FMRE10_P_STR-KURSUP sy-vline 
WA_FMRE10_P_STR-DATUP sy-vline 
WA_FMRE10_P_STR-HWFREE sy-vline 
WA_FMRE10_P_STR-WTORIG sy-vline 
WA_FMRE10_P_STR-HWORIG sy-vline 
WA_FMRE10_P_STR-POSLOCK sy-vline 
WA_FMRE10_P_STR-PMACTIVE sy-vline 
WA_FMRE10_P_STR-HWGES sy-vline 
WA_FMRE10_P_STR-CONSUMEKZ sy-vline 
WA_FMRE10_P_STR-ACCHANG sy-vline 
WA_FMRE10_P_STR-WAERS sy-vline 
WA_FMRE10_P_STR-HWAER sy-vline 
WA_FMRE10_P_STR-FIKRS sy-vline 
WA_FMRE10_P_STR-STATS sy-vline 
WA_FMRE10_P_STR-IMKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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