ABAP Select data from SAP table FCML_PO_EKBZML into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCML_PO_EKBZML
*  INTO TABLE @DATA(IT_FCML_PO_EKBZML2).
*--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_FCML_PO_EKBZML INDEX 1 INTO DATA(WA_FCML_PO_EKBZML2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCML_PO_EKBZML>-MANDT = 1.
<FCML_PO_EKBZML>-EBELN = 1.
<FCML_PO_EKBZML>-EBELP = 1.
<FCML_PO_EKBZML>-STUNR = 1.
<FCML_PO_EKBZML>-ZAEHK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCML_PO_EKBZML-VGABE, sy-vline,
  WA_FCML_PO_EKBZML-GJAHR, sy-vline,
  WA_FCML_PO_EKBZML-BELNR, sy-vline,
  WA_FCML_PO_EKBZML-BUZEI, sy-vline,
  WA_FCML_PO_EKBZML-MLVNR, sy-vline,
  WA_FCML_PO_EKBZML-CURTP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCML_PO_EKBZML 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_FCML_PO_EKBZML 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_FCML_PO_EKBZML INTO WA_FCML_PO_EKBZML.


*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 EBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCML_PO_EKBZML-EBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCML_PO_EKBZML-EBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCML_PO_EKBZML-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCML_PO_EKBZML-GJAHR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field BDATJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCML_PO_EKBZML-BDATJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCML_PO_EKBZML-BDATJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCML_PO_EKBZML-KSTAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCML_PO_EKBZML-KSTAR.
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_FCML_PO_EKBZML_STR, 
MANDT TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
STUNR TYPE STRING,
ZAEHK TYPE STRING,
VGABE TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
MLVNR TYPE STRING,
CURTP TYPE STRING,
BUKRS TYPE STRING,
BSTYP_EKKO TYPE STRING,
BSART TYPE STRING,
LIFNR_EKKO TYPE STRING,
EKORG TYPE STRING,
WAERS_EKKO TYPE STRING,
WKURS TYPE STRING,
KUFIX TYPE STRING,
BEDAT TYPE STRING,
MATNR TYPE STRING,
WERKS TYPE STRING,
MENGE_EKPO TYPE STRING,
MEINS TYPE STRING,
BPRME TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
NETPR TYPE STRING,
PEINH TYPE STRING,
NETWR TYPE STRING,
BRTWR TYPE STRING,
BWTAR_EKPO TYPE STRING,
BWTTY TYPE STRING,
PSTYP TYPE STRING,
KNTTP TYPE STRING,
WEPOS TYPE STRING,
WEUNB TYPE STRING,
REPOS TYPE STRING,
WEBRE TYPE STRING,
BSTYP_EKPO TYPE STRING,
SOBKZ TYPE STRING,
MLMAA TYPE STRING,
UMSOK TYPE STRING,
KZBWS TYPE STRING,
BEWTP_EKBZ TYPE STRING,
BUDAT_EKBZ TYPE STRING,
MENGE_EKBZ TYPE STRING,
DMBTR TYPE STRING,
WRBTR_EKBZ TYPE STRING,
WAERS_EKBZ TYPE STRING,
AREWR_EKBZ TYPE STRING,
SHKZG_EKBZ TYPE STRING,
LIFNR_EKBZ TYPE STRING,
CPUDT_EKBZ TYPE STRING,
CPUTM_EKBZ TYPE STRING,
REEWR_EKBZ TYPE STRING,
REFWR TYPE STRING,
BWTAR_EKBZ TYPE STRING,
KSCHL TYPE STRING,
BPMNG TYPE STRING,
AREWW TYPE STRING,
HSWAE TYPE STRING,
ZEKKN_MLWERE TYPE STRING,
BEWTP_MLBE TYPE STRING,
BUDAT_MLBE TYPE STRING,
MENGE_MLBE TYPE STRING,
ZEKKN_MLBE TYPE STRING,
KALNR TYPE STRING,
POPER TYPE STRING,
BDATJ TYPE STRING,
XWOFF TYPE STRING,
HRKFT TYPE STRING,
KSTAR TYPE STRING,
BWART TYPE STRING,
CPUDT_MLBE TYPE STRING,
CPUTM_MLBE TYPE STRING,
WAERS_MLBECR TYPE STRING,
SHKZG_MLBECR TYPE STRING,
WRBTR_MLBECR TYPE STRING,
AREWR_MLBECR TYPE STRING,
REEWR_MLBECR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCML_PO_EKBZML_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_FCML_PO_EKBZML_STR-MANDT sy-vline 
WA_FCML_PO_EKBZML_STR-EBELN sy-vline 
WA_FCML_PO_EKBZML_STR-EBELP sy-vline 
WA_FCML_PO_EKBZML_STR-STUNR sy-vline 
WA_FCML_PO_EKBZML_STR-ZAEHK sy-vline 
WA_FCML_PO_EKBZML_STR-VGABE sy-vline 
WA_FCML_PO_EKBZML_STR-GJAHR sy-vline 
WA_FCML_PO_EKBZML_STR-BELNR sy-vline 
WA_FCML_PO_EKBZML_STR-BUZEI sy-vline 
WA_FCML_PO_EKBZML_STR-MLVNR sy-vline 
WA_FCML_PO_EKBZML_STR-CURTP sy-vline 
WA_FCML_PO_EKBZML_STR-BUKRS sy-vline 
WA_FCML_PO_EKBZML_STR-BSTYP_EKKO sy-vline 
WA_FCML_PO_EKBZML_STR-BSART sy-vline 
WA_FCML_PO_EKBZML_STR-LIFNR_EKKO sy-vline 
WA_FCML_PO_EKBZML_STR-EKORG sy-vline 
WA_FCML_PO_EKBZML_STR-WAERS_EKKO sy-vline 
WA_FCML_PO_EKBZML_STR-WKURS sy-vline 
WA_FCML_PO_EKBZML_STR-KUFIX sy-vline 
WA_FCML_PO_EKBZML_STR-BEDAT sy-vline 
WA_FCML_PO_EKBZML_STR-MATNR sy-vline 
WA_FCML_PO_EKBZML_STR-WERKS sy-vline 
WA_FCML_PO_EKBZML_STR-MENGE_EKPO sy-vline 
WA_FCML_PO_EKBZML_STR-MEINS sy-vline 
WA_FCML_PO_EKBZML_STR-BPRME sy-vline 
WA_FCML_PO_EKBZML_STR-UMREZ sy-vline 
WA_FCML_PO_EKBZML_STR-UMREN sy-vline 
WA_FCML_PO_EKBZML_STR-NETPR sy-vline 
WA_FCML_PO_EKBZML_STR-PEINH sy-vline 
WA_FCML_PO_EKBZML_STR-NETWR sy-vline 
WA_FCML_PO_EKBZML_STR-BRTWR sy-vline 
WA_FCML_PO_EKBZML_STR-BWTAR_EKPO sy-vline 
WA_FCML_PO_EKBZML_STR-BWTTY sy-vline 
WA_FCML_PO_EKBZML_STR-PSTYP sy-vline 
WA_FCML_PO_EKBZML_STR-KNTTP sy-vline 
WA_FCML_PO_EKBZML_STR-WEPOS sy-vline 
WA_FCML_PO_EKBZML_STR-WEUNB sy-vline 
WA_FCML_PO_EKBZML_STR-REPOS sy-vline 
WA_FCML_PO_EKBZML_STR-WEBRE sy-vline 
WA_FCML_PO_EKBZML_STR-BSTYP_EKPO sy-vline 
WA_FCML_PO_EKBZML_STR-SOBKZ sy-vline 
WA_FCML_PO_EKBZML_STR-MLMAA sy-vline 
WA_FCML_PO_EKBZML_STR-UMSOK sy-vline 
WA_FCML_PO_EKBZML_STR-KZBWS sy-vline 
WA_FCML_PO_EKBZML_STR-BEWTP_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-BUDAT_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-MENGE_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-DMBTR sy-vline 
WA_FCML_PO_EKBZML_STR-WRBTR_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-WAERS_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-AREWR_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-SHKZG_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-LIFNR_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-CPUDT_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-CPUTM_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-REEWR_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-REFWR sy-vline 
WA_FCML_PO_EKBZML_STR-BWTAR_EKBZ sy-vline 
WA_FCML_PO_EKBZML_STR-KSCHL sy-vline 
WA_FCML_PO_EKBZML_STR-BPMNG sy-vline 
WA_FCML_PO_EKBZML_STR-AREWW sy-vline 
WA_FCML_PO_EKBZML_STR-HSWAE sy-vline 
WA_FCML_PO_EKBZML_STR-ZEKKN_MLWERE sy-vline 
WA_FCML_PO_EKBZML_STR-BEWTP_MLBE sy-vline 
WA_FCML_PO_EKBZML_STR-BUDAT_MLBE sy-vline 
WA_FCML_PO_EKBZML_STR-MENGE_MLBE sy-vline 
WA_FCML_PO_EKBZML_STR-ZEKKN_MLBE sy-vline 
WA_FCML_PO_EKBZML_STR-KALNR sy-vline 
WA_FCML_PO_EKBZML_STR-POPER sy-vline 
WA_FCML_PO_EKBZML_STR-BDATJ sy-vline 
WA_FCML_PO_EKBZML_STR-XWOFF sy-vline 
WA_FCML_PO_EKBZML_STR-HRKFT sy-vline 
WA_FCML_PO_EKBZML_STR-KSTAR sy-vline 
WA_FCML_PO_EKBZML_STR-BWART sy-vline 
WA_FCML_PO_EKBZML_STR-CPUDT_MLBE sy-vline 
WA_FCML_PO_EKBZML_STR-CPUTM_MLBE sy-vline 
WA_FCML_PO_EKBZML_STR-WAERS_MLBECR sy-vline 
WA_FCML_PO_EKBZML_STR-SHKZG_MLBECR sy-vline 
WA_FCML_PO_EKBZML_STR-WRBTR_MLBECR sy-vline 
WA_FCML_PO_EKBZML_STR-AREWR_MLBECR sy-vline 
WA_FCML_PO_EKBZML_STR-REEWR_MLBECR sy-vline      INTO ld_text SEPARATED BY SPACE.

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