ABAP Select data from SAP table FCML_OH_WO_CR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FCML_OH_WO_CR 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_OH_WO_CR. 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_OH_WO_CR 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_OH_WO_CR TYPE STANDARD TABLE OF FCML_OH_WO_CR,
      WA_FCML_OH_WO_CR TYPE FCML_OH_WO_CR,
      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_OH_WO_CR> TYPE FCML_OH_WO_CR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCML_OH_WO_CR
*  INTO TABLE @DATA(IT_FCML_OH_WO_CR2).
*--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_OH_WO_CR INDEX 1 INTO DATA(WA_FCML_OH_WO_CR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCML_OH_WO_CR>-MANDT = 1.
<FCML_OH_WO_CR>-MLVNR = 1.
<FCML_OH_WO_CR>-VGABE = 1.
<FCML_OH_WO_CR>-GJAHR = 1.
<FCML_OH_WO_CR>-BELNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCML_OH_WO_CR-BUZEI, sy-vline,
  WA_FCML_OH_WO_CR-KALNR, sy-vline,
  WA_FCML_OH_WO_CR-AUFNR, sy-vline,
  WA_FCML_OH_WO_CR-POSNR, sy-vline,
  WA_FCML_OH_WO_CR-LOGSYS, sy-vline,
  WA_FCML_OH_WO_CR-INITPOPER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCML_OH_WO_CR 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_OH_WO_CR 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_OH_WO_CR INTO WA_FCML_OH_WO_CR.


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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field BSTME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FCML_OH_WO_CR-BSTME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCML_OH_WO_CR-BSTME.
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_OH_WO_CR_STR, 
MANDT TYPE STRING,
MLVNR TYPE STRING,
VGABE TYPE STRING,
GJAHR TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
KALNR TYPE STRING,
AUFNR TYPE STRING,
POSNR TYPE STRING,
LOGSYS TYPE STRING,
INITPOPER TYPE STRING,
INITBDATJ TYPE STRING,
INIT_DONE TYPE STRING,
BUDAT TYPE STRING,
MENGE TYPE STRING,
POPER TYPE STRING,
BDATJ TYPE STRING,
HRKFT TYPE STRING,
KSTAR TYPE STRING,
BWART TYPE STRING,
MLAUF_AUFNR TYPE STRING,
MLAUF_POSNR TYPE STRING,
SETTLE_POPER TYPE STRING,
SAPRL TYPE STRING,
MLAUF_CPUDT TYPE STRING,
MLAUF_CPUTM TYPE STRING,
XWOFF TYPE STRING,
WERKS TYPE STRING,
MLAUF_STORNO TYPE STRING,
MEINS TYPE STRING,
BSTMG TYPE STRING,
BSTME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCML_OH_WO_CR_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_OH_WO_CR_STR-MANDT sy-vline 
WA_FCML_OH_WO_CR_STR-MLVNR sy-vline 
WA_FCML_OH_WO_CR_STR-VGABE sy-vline 
WA_FCML_OH_WO_CR_STR-GJAHR sy-vline 
WA_FCML_OH_WO_CR_STR-BELNR sy-vline 
WA_FCML_OH_WO_CR_STR-BUZEI sy-vline 
WA_FCML_OH_WO_CR_STR-KALNR sy-vline 
WA_FCML_OH_WO_CR_STR-AUFNR sy-vline 
WA_FCML_OH_WO_CR_STR-POSNR sy-vline 
WA_FCML_OH_WO_CR_STR-LOGSYS sy-vline 
WA_FCML_OH_WO_CR_STR-INITPOPER sy-vline 
WA_FCML_OH_WO_CR_STR-INITBDATJ sy-vline 
WA_FCML_OH_WO_CR_STR-INIT_DONE sy-vline 
WA_FCML_OH_WO_CR_STR-BUDAT sy-vline 
WA_FCML_OH_WO_CR_STR-MENGE sy-vline 
WA_FCML_OH_WO_CR_STR-POPER sy-vline 
WA_FCML_OH_WO_CR_STR-BDATJ sy-vline 
WA_FCML_OH_WO_CR_STR-HRKFT sy-vline 
WA_FCML_OH_WO_CR_STR-KSTAR sy-vline 
WA_FCML_OH_WO_CR_STR-BWART sy-vline 
WA_FCML_OH_WO_CR_STR-MLAUF_AUFNR sy-vline 
WA_FCML_OH_WO_CR_STR-MLAUF_POSNR sy-vline 
WA_FCML_OH_WO_CR_STR-SETTLE_POPER sy-vline 
WA_FCML_OH_WO_CR_STR-SAPRL sy-vline 
WA_FCML_OH_WO_CR_STR-MLAUF_CPUDT sy-vline 
WA_FCML_OH_WO_CR_STR-MLAUF_CPUTM sy-vline 
WA_FCML_OH_WO_CR_STR-XWOFF sy-vline 
WA_FCML_OH_WO_CR_STR-WERKS sy-vline 
WA_FCML_OH_WO_CR_STR-MLAUF_STORNO sy-vline 
WA_FCML_OH_WO_CR_STR-MEINS sy-vline 
WA_FCML_OH_WO_CR_STR-BSTMG sy-vline 
WA_FCML_OH_WO_CR_STR-BSTME sy-vline      INTO ld_text SEPARATED BY SPACE.

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