ABAP Select data from SAP table IFMFG_PROG_ACT_SUM2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP IFMFG_PROG_ACT_SUM2 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 IFMFG_PROG_ACT_SUM2. 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 IFMFG_PROG_ACT_SUM2 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_IFMFG_PROG_ACT_SUM2 TYPE STANDARD TABLE OF IFMFG_PROG_ACT_SUM2,
      WA_IFMFG_PROG_ACT_SUM2 TYPE IFMFG_PROG_ACT_SUM2,
      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: <IFMFG_PROG_ACT_SUM2> TYPE IFMFG_PROG_ACT_SUM2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_IFMFG_PROG_ACT_SUM2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM IFMFG_PROG_ACT_SUM2
  INTO TABLE IT_IFMFG_PROG_ACT_SUM2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFMFG_PROG_ACT_SUM2
*  INTO TABLE @DATA(IT_IFMFG_PROG_ACT_SUM22).
*--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_IFMFG_PROG_ACT_SUM2 INDEX 1 INTO DATA(WA_IFMFG_PROG_ACT_SUM22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_IFMFG_PROG_ACT_SUM2 ASSIGNING <IFMFG_PROG_ACT_SUM2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFMFG_PROG_ACT_SUM2>-KEY = 1.
<IFMFG_PROG_ACT_SUM2>-RBUKRS = 1.
<IFMFG_PROG_ACT_SUM2>-FM_AREA = 1.
<IFMFG_PROG_ACT_SUM2>-RYEAR = 1.
<IFMFG_PROG_ACT_SUM2>-REP_PERIOD = 1.

ENDLOOP.

LOOP AT IT_IFMFG_PROG_ACT_SUM2 INTO WA_IFMFG_PROG_ACT_SUM2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFMFG_PROG_ACT_SUM2-ALTRAID, sy-vline,
  WA_IFMFG_PROG_ACT_SUM2-AGENCID, sy-vline,
  WA_IFMFG_PROG_ACT_SUM2-BEGPER, sy-vline,
  WA_IFMFG_PROG_ACT_SUM2-ENDPER, sy-vline,
  WA_IFMFG_PROG_ACT_SUM2-AVTYPE, sy-vline,
  WA_IFMFG_PROG_ACT_SUM2-FUND_ACC_SYMBL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IFMFG_PROG_ACT_SUM2 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_IFMFG_PROG_ACT_SUM2 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_IFMFG_PROG_ACT_SUM2 INTO WA_IFMFG_PROG_ACT_SUM2.


*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 RYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IFMFG_PROG_ACT_SUM2-RYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMFG_PROG_ACT_SUM2-RYEAR.
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_IFMFG_PROG_ACT_SUM2_STR, 
KEY TYPE STRING,
RBUKRS TYPE STRING,
FM_AREA TYPE STRING,
RYEAR TYPE STRING,
REP_PERIOD TYPE STRING,
ALTRAID TYPE STRING,
AGENCID TYPE STRING,
BEGPER TYPE STRING,
ENDPER TYPE STRING,
AVTYPE TYPE STRING,
FUND_ACC_SYMBL TYPE STRING,
SUB_ACCT TYPE STRING,
SGL_ACCOUNT TYPE STRING,
USD_AMOUNT TYPE STRING,
DEBIT_CREDIT TYPE STRING,
BEGIN_END TYPE STRING,
FILLER TYPE STRING,
FLG_REIMBUR TYPE STRING,
OBJ_CLASS TYPE STRING,
PROG_ACT_CODE TYPE STRING,
PROG_ACT_NAME TYPE STRING,
BEY TYPE STRING,
HSLVT TYPE STRING,
HSL01 TYPE STRING,
HSL02 TYPE STRING,
HSL03 TYPE STRING,
HSL04 TYPE STRING,
HSL05 TYPE STRING,
HSL06 TYPE STRING,
HSL07 TYPE STRING,
HSL08 TYPE STRING,
HSL09 TYPE STRING,
HSL10 TYPE STRING,
HSL11 TYPE STRING,
HSL12 TYPE STRING,
HSL13 TYPE STRING,
HSL14 TYPE STRING,
HSL15 TYPE STRING,
HSL16 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFMFG_PROG_ACT_SUM2_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_IFMFG_PROG_ACT_SUM2_STR-KEY sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-RBUKRS sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-FM_AREA sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-RYEAR sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-REP_PERIOD sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-ALTRAID sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-AGENCID sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-BEGPER sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-ENDPER sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-AVTYPE sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-FUND_ACC_SYMBL sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-SUB_ACCT sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-SGL_ACCOUNT sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-USD_AMOUNT sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-DEBIT_CREDIT sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-BEGIN_END sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-FILLER sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-FLG_REIMBUR sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-OBJ_CLASS sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-PROG_ACT_CODE sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-PROG_ACT_NAME sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-BEY sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSLVT sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL01 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL02 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL03 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL04 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL05 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL06 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL07 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL08 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL09 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL10 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL11 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL12 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL13 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL14 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL15 sy-vline 
WA_IFMFG_PROG_ACT_SUM2_STR-HSL16 sy-vline      INTO ld_text SEPARATED BY SPACE.

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