ABAP Select data from SAP table FMCJ_TC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCJ_TC
*  INTO TABLE @DATA(IT_FMCJ_TC2).
*--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_FMCJ_TC INDEX 1 INTO DATA(WA_FMCJ_TC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCJ_TC>-LMARK = 1.
<FMCJ_TC>-MANDT = 1.
<FMCJ_TC>-BUKRS = 1.
<FMCJ_TC>-BELNR = 1.
<FMCJ_TC>-GJAHR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCJ_TC-ERNAM, sy-vline,
  WA_FMCJ_TC-CPUDT, sy-vline,
  WA_FMCJ_TC-CPUTM, sy-vline,
  WA_FMCJ_TC-BUDAT, sy-vline,
  WA_FMCJ_TC-BUVRG, sy-vline,
  WA_FMCJ_TC-BUSOH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMCJ_TC 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_FMCJ_TC 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_FMCJ_TC INTO WA_FMCJ_TC.


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

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

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

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

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

*Conversion exit FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_FMCJ_TC-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCJ_TC-FIPEX.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit GJAHR, internal->external for field FI_REBZJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMCJ_TC-FI_REBZJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMCJ_TC-FI_REBZJ.
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_FMCJ_TC_STR, 
LMARK TYPE STRING,
MANDT TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
ERNAM TYPE STRING,
CPUDT TYPE STRING,
CPUTM TYPE STRING,
BUDAT TYPE STRING,
BUVRG TYPE STRING,
BUSOH TYPE STRING,
DMBTR TYPE STRING,
WRBTR TYPE STRING,
WAERS TYPE STRING,
HWAER TYPE STRING,
KUNNR TYPE STRING,
LIFNR TYPE STRING,
SAKNR TYPE STRING,
FIPEX TYPE STRING,
FICTR TYPE STRING,
FUND TYPE STRING,
BUDGET_PD TYPE STRING,
PSOEA TYPE STRING,
KBLNR TYPE STRING,
KBLPOS TYPE STRING,
XBLNR TYPE STRING,
SGTXT TYPE STRING,
KVERM TYPE STRING,
STBLG TYPE STRING,
XSTBLG TYPE STRING,
BELST TYPE STRING,
KABLG TYPE STRING,
ERZPT TYPE STRING,
FI_BELNR TYPE STRING,
FI_BUZEI TYPE STRING,
FI_BUKRS TYPE STRING,
FI_GJAHR TYPE STRING,
FI_UMSKZ TYPE STRING,
FI_REBZG TYPE STRING,
FI_REBZJ TYPE STRING,
FI_REBZZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCJ_TC_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_FMCJ_TC_STR-LMARK sy-vline 
WA_FMCJ_TC_STR-MANDT sy-vline 
WA_FMCJ_TC_STR-BUKRS sy-vline 
WA_FMCJ_TC_STR-BELNR sy-vline 
WA_FMCJ_TC_STR-GJAHR sy-vline 
WA_FMCJ_TC_STR-ERNAM sy-vline 
WA_FMCJ_TC_STR-CPUDT sy-vline 
WA_FMCJ_TC_STR-CPUTM sy-vline 
WA_FMCJ_TC_STR-BUDAT sy-vline 
WA_FMCJ_TC_STR-BUVRG sy-vline 
WA_FMCJ_TC_STR-BUSOH sy-vline 
WA_FMCJ_TC_STR-DMBTR sy-vline 
WA_FMCJ_TC_STR-WRBTR sy-vline 
WA_FMCJ_TC_STR-WAERS sy-vline 
WA_FMCJ_TC_STR-HWAER sy-vline 
WA_FMCJ_TC_STR-KUNNR sy-vline 
WA_FMCJ_TC_STR-LIFNR sy-vline 
WA_FMCJ_TC_STR-SAKNR sy-vline 
WA_FMCJ_TC_STR-FIPEX sy-vline 
WA_FMCJ_TC_STR-FICTR sy-vline 
WA_FMCJ_TC_STR-FUND sy-vline 
WA_FMCJ_TC_STR-BUDGET_PD sy-vline 
WA_FMCJ_TC_STR-PSOEA sy-vline 
WA_FMCJ_TC_STR-KBLNR sy-vline 
WA_FMCJ_TC_STR-KBLPOS sy-vline 
WA_FMCJ_TC_STR-XBLNR sy-vline 
WA_FMCJ_TC_STR-SGTXT sy-vline 
WA_FMCJ_TC_STR-KVERM sy-vline 
WA_FMCJ_TC_STR-STBLG sy-vline 
WA_FMCJ_TC_STR-XSTBLG sy-vline 
WA_FMCJ_TC_STR-BELST sy-vline 
WA_FMCJ_TC_STR-KABLG sy-vline 
WA_FMCJ_TC_STR-ERZPT sy-vline 
WA_FMCJ_TC_STR-FI_BELNR sy-vline 
WA_FMCJ_TC_STR-FI_BUZEI sy-vline 
WA_FMCJ_TC_STR-FI_BUKRS sy-vline 
WA_FMCJ_TC_STR-FI_GJAHR sy-vline 
WA_FMCJ_TC_STR-FI_UMSKZ sy-vline 
WA_FMCJ_TC_STR-FI_REBZG sy-vline 
WA_FMCJ_TC_STR-FI_REBZJ sy-vline 
WA_FMCJ_TC_STR-FI_REBZZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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