ABAP Select data from SAP table FMFG_PRIOR_RPT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMFG_PRIOR_RPT
*  INTO TABLE @DATA(IT_FMFG_PRIOR_RPT2).
*--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_FMFG_PRIOR_RPT INDEX 1 INTO DATA(WA_FMFG_PRIOR_RPT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMFG_PRIOR_RPT>-MANDT = 1.
<FMFG_PRIOR_RPT>-RECID = 1.
<FMFG_PRIOR_RPT>-PROGRAMID = 1.
<FMFG_PRIOR_RPT>-RECSEQ = 1.
<FMFG_PRIOR_RPT>-CRDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMFG_PRIOR_RPT-CRTIME, sy-vline,
  WA_FMFG_PRIOR_RPT-CRUSER, sy-vline,
  WA_FMFG_PRIOR_RPT-TEXT, sy-vline,
  WA_FMFG_PRIOR_RPT-SENDER01, sy-vline,
  WA_FMFG_PRIOR_RPT-SENDER02, sy-vline,
  WA_FMFG_PRIOR_RPT-SENDER03, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMFG_PRIOR_RPT 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_FMFG_PRIOR_RPT 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_FMFG_PRIOR_RPT INTO WA_FMFG_PRIOR_RPT.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FMFG_PRIOR_RPT_STR, 
MANDT TYPE STRING,
RECID TYPE STRING,
PROGRAMID TYPE STRING,
RECSEQ TYPE STRING,
CRDATE TYPE STRING,
CRTIME TYPE STRING,
CRUSER TYPE STRING,
TEXT TYPE STRING,
SENDER01 TYPE STRING,
SENDER02 TYPE STRING,
SENDER03 TYPE STRING,
SENDER04 TYPE STRING,
SENDER05 TYPE STRING,
SENDER06 TYPE STRING,
SENDER07 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMFG_PRIOR_RPT_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_FMFG_PRIOR_RPT_STR-MANDT sy-vline 
WA_FMFG_PRIOR_RPT_STR-RECID sy-vline 
WA_FMFG_PRIOR_RPT_STR-PROGRAMID sy-vline 
WA_FMFG_PRIOR_RPT_STR-RECSEQ sy-vline 
WA_FMFG_PRIOR_RPT_STR-CRDATE sy-vline 
WA_FMFG_PRIOR_RPT_STR-CRTIME sy-vline 
WA_FMFG_PRIOR_RPT_STR-CRUSER sy-vline 
WA_FMFG_PRIOR_RPT_STR-TEXT sy-vline 
WA_FMFG_PRIOR_RPT_STR-SENDER01 sy-vline 
WA_FMFG_PRIOR_RPT_STR-SENDER02 sy-vline 
WA_FMFG_PRIOR_RPT_STR-SENDER03 sy-vline 
WA_FMFG_PRIOR_RPT_STR-SENDER04 sy-vline 
WA_FMFG_PRIOR_RPT_STR-SENDER05 sy-vline 
WA_FMFG_PRIOR_RPT_STR-SENDER06 sy-vline 
WA_FMFG_PRIOR_RPT_STR-SENDER07 sy-vline      INTO ld_text SEPARATED BY SPACE.

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