ABAP Select data from SAP table FMFGT_IPACED into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMFGT_IPACED
*  INTO TABLE @DATA(IT_FMFGT_IPACED2).
*--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_FMFGT_IPACED INDEX 1 INTO DATA(WA_FMFGT_IPACED2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMFGT_IPACED>-CLIENT = 1.
<FMFGT_IPACED>-TRANS_ID = 1.
<FMFGT_IPACED>-ACCOMPLISH_DT = 1.
<FMFGT_IPACED>-ORIG_ALC = 1.
<FMFGT_IPACED>-COUNTER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMFGT_IPACED-BUKRS, sy-vline,
  WA_FMFGT_IPACED-BELNR, sy-vline,
  WA_FMFGT_IPACED-GJAHR, sy-vline,
  WA_FMFGT_IPACED-BUZEI, sy-vline,
  WA_FMFGT_IPACED-ORIG, sy-vline,
  WA_FMFGT_IPACED-BLART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMFGT_IPACED 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_FMFGT_IPACED 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_FMFGT_IPACED INTO WA_FMFGT_IPACED.


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

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

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

*Conversion exit GJAHR, internal->external for field AUGGJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMFGT_IPACED-AUGGJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMFGT_IPACED-AUGGJ.
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_FMFGT_IPACED_STR, 
CLIENT TYPE STRING,
TRANS_ID TYPE STRING,
ACCOMPLISH_DT TYPE STRING,
ORIG_ALC TYPE STRING,
COUNTER TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
ORIG TYPE STRING,
BLART TYPE STRING,
AUGBL TYPE STRING,
AUGGJ TYPE STRING,
KOART TYPE STRING,
MATCH_ID_SAP TYPE STRING,
MATCH_ID_IPAC TYPE STRING,
MATCH_SAP_REFDOC TYPE STRING,
MATCH_SAP_REFLIN TYPE STRING,
FINUSE TYPE STRING,
WRBTR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMFGT_IPACED_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_FMFGT_IPACED_STR-CLIENT sy-vline 
WA_FMFGT_IPACED_STR-TRANS_ID sy-vline 
WA_FMFGT_IPACED_STR-ACCOMPLISH_DT sy-vline 
WA_FMFGT_IPACED_STR-ORIG_ALC sy-vline 
WA_FMFGT_IPACED_STR-COUNTER sy-vline 
WA_FMFGT_IPACED_STR-BUKRS sy-vline 
WA_FMFGT_IPACED_STR-BELNR sy-vline 
WA_FMFGT_IPACED_STR-GJAHR sy-vline 
WA_FMFGT_IPACED_STR-BUZEI sy-vline 
WA_FMFGT_IPACED_STR-ORIG sy-vline 
WA_FMFGT_IPACED_STR-BLART sy-vline 
WA_FMFGT_IPACED_STR-AUGBL sy-vline 
WA_FMFGT_IPACED_STR-AUGGJ sy-vline 
WA_FMFGT_IPACED_STR-KOART sy-vline 
WA_FMFGT_IPACED_STR-MATCH_ID_SAP sy-vline 
WA_FMFGT_IPACED_STR-MATCH_ID_IPAC sy-vline 
WA_FMFGT_IPACED_STR-MATCH_SAP_REFDOC sy-vline 
WA_FMFGT_IPACED_STR-MATCH_SAP_REFLIN sy-vline 
WA_FMFGT_IPACED_STR-FINUSE sy-vline 
WA_FMFGT_IPACED_STR-WRBTR sy-vline      INTO ld_text SEPARATED BY SPACE.

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