ABAP Select data from SAP table FKK_MA_AG_DYNP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_MA_AG_DYNP
*  INTO TABLE @DATA(IT_FKK_MA_AG_DYNP2).
*--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_FKK_MA_AG_DYNP INDEX 1 INTO DATA(WA_FKK_MA_AG_DYNP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_MA_AG_DYNP>-AGUID = 1.
<FKK_MA_AG_DYNP>-AGRMT = 1.
<FKK_MA_AG_DYNP>-AGRTY = 1.
<FKK_MA_AG_DYNP>-DESCR = 1.
<FKK_MA_AG_DYNP>-ASSNF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_MA_AG_DYNP-ASSNT, sy-vline,
  WA_FKK_MA_AG_DYNP-VERLO, sy-vline,
  WA_FKK_MA_AG_DYNP-VERHI, sy-vline,
  WA_FKK_MA_AG_DYNP-VALTO, sy-vline,
  WA_FKK_MA_AG_DYNP-AGPRY, sy-vline,
  WA_FKK_MA_AG_DYNP-AGRMI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_MA_AG_DYNP 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_FKK_MA_AG_DYNP 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_FKK_MA_AG_DYNP INTO WA_FKK_MA_AG_DYNP.


*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 AGRMT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_MA_AG_DYNP-AGRMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_MA_AG_DYNP-AGRMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AGRMI
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_MA_AG_DYNP-AGRMI
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_MA_AG_DYNP-AGRMI.
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_FKK_MA_AG_DYNP_STR, 
AGUID TYPE STRING,
AGRMT TYPE STRING,
AGRTY TYPE STRING,
DESCR TYPE STRING,
ASSNF TYPE STRING,
ASSNT TYPE STRING,
VERLO TYPE STRING,
VERHI TYPE STRING,
VALTO TYPE STRING,
AGPRY TYPE STRING,
AGRMI TYPE STRING,
AGRMI_TXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_MA_AG_DYNP_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_FKK_MA_AG_DYNP_STR-AGUID sy-vline 
WA_FKK_MA_AG_DYNP_STR-AGRMT sy-vline 
WA_FKK_MA_AG_DYNP_STR-AGRTY sy-vline 
WA_FKK_MA_AG_DYNP_STR-DESCR sy-vline 
WA_FKK_MA_AG_DYNP_STR-ASSNF sy-vline 
WA_FKK_MA_AG_DYNP_STR-ASSNT sy-vline 
WA_FKK_MA_AG_DYNP_STR-VERLO sy-vline 
WA_FKK_MA_AG_DYNP_STR-VERHI sy-vline 
WA_FKK_MA_AG_DYNP_STR-VALTO sy-vline 
WA_FKK_MA_AG_DYNP_STR-AGPRY sy-vline 
WA_FKK_MA_AG_DYNP_STR-AGRMI sy-vline 
WA_FKK_MA_AG_DYNP_STR-AGRMI_TXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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