ABAP Select data from SAP table /STTPEC/S_TRADE_ITEM_DYNFLD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /STTPEC/S_TRADE_ITEM_DYNFLD 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 /STTPEC/S_TRADE_ITEM_DYNFLD. 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 /STTPEC/S_TRADE_ITEM_DYNFLD 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_/STTPEC/S_TRADE_ITEM_DYNFLD TYPE STANDARD TABLE OF /STTPEC/S_TRADE_ITEM_DYNFLD,
      WA_/STTPEC/S_TRADE_ITEM_DYNFLD TYPE /STTPEC/S_TRADE_ITEM_DYNFLD,
      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: </STTPEC/S_TRADE_ITEM_DYNFLD> TYPE /STTPEC/S_TRADE_ITEM_DYNFLD.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /STTPEC/S_TRADE_ITEM_DYNFLD
  INTO TABLE IT_/STTPEC/S_TRADE_ITEM_DYNFLD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /STTPEC/S_TRADE_ITEM_DYNFLD
*  INTO TABLE @DATA(IT_/STTPEC/S_TRADE_ITEM_DYNFLD2).
*--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_/STTPEC/S_TRADE_ITEM_DYNFLD INDEX 1 INTO DATA(WA_/STTPEC/S_TRADE_ITEM_DYNFLD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/STTPEC/S_TRADE_ITEM_DYNFLD ASSIGNING </STTPEC/S_TRADE_ITEM_DYNFLD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</STTPEC/S_TRADE_ITEM_DYNFLD>-MATNR = 1.
</STTPEC/S_TRADE_ITEM_DYNFLD>-MAKTX = 1.
</STTPEC/S_TRADE_ITEM_DYNFLD>-MEINS = 1.
</STTPEC/S_TRADE_ITEM_DYNFLD>-MEINS_TEXT = 1.
</STTPEC/S_TRADE_ITEM_DYNFLD>-MEINH = 1.

ENDLOOP.

LOOP AT IT_/STTPEC/S_TRADE_ITEM_DYNFLD INTO WA_/STTPEC/S_TRADE_ITEM_DYNFLD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/STTPEC/S_TRADE_ITEM_DYNFLD-MEINH_TEXT, sy-vline,
  WA_/STTPEC/S_TRADE_ITEM_DYNFLD-EAN11, sy-vline,
  WA_/STTPEC/S_TRADE_ITEM_DYNFLD-LVORM, sy-vline,
  WA_/STTPEC/S_TRADE_ITEM_DYNFLD-UMREZ, sy-vline,
  WA_/STTPEC/S_TRADE_ITEM_DYNFLD-UMREN, sy-vline,
  WA_/STTPEC/S_TRADE_ITEM_DYNFLD-UOM_BASE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/STTPEC/S_TRADE_ITEM_DYNFLD 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_/STTPEC/S_TRADE_ITEM_DYNFLD 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_/STTPEC/S_TRADE_ITEM_DYNFLD INTO WA_/STTPEC/S_TRADE_ITEM_DYNFLD.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/STTPEC/S_TRADE_ITEM_DYNFLD-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/STTPEC/S_TRADE_ITEM_DYNFLD-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/STTPEC/S_TRADE_ITEM_DYNFLD-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/STTPEC/S_TRADE_ITEM_DYNFLD-MEINS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/STTPEC/S_TRADE_ITEM_DYNFLD-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/STTPEC/S_TRADE_ITEM_DYNFLD-MEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EAN11, internal->external for field EAN11
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_/STTPEC/S_TRADE_ITEM_DYNFLD-EAN11
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/STTPEC/S_TRADE_ITEM_DYNFLD-EAN11.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UOM_BASE
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/STTPEC/S_TRADE_ITEM_DYNFLD-UOM_BASE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/STTPEC/S_TRADE_ITEM_DYNFLD-UOM_BASE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UOM_ALT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/STTPEC/S_TRADE_ITEM_DYNFLD-UOM_ALT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/STTPEC/S_TRADE_ITEM_DYNFLD-UOM_ALT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field /STTPEC/SYNCTIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/STTPEC/S_TRADE_ITEM_DYNFLD-/STTPEC/SYNCTIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/STTPEC/S_TRADE_ITEM_DYNFLD-/STTPEC/SYNCTIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field /STTPEC/SERNO_PROV_BUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/STTPEC/S_TRADE_ITEM_DYNFLD-/STTPEC/SERNO_PROV_BUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/STTPEC/S_TRADE_ITEM_DYNFLD-/STTPEC/SERNO_PROV_BUP.
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_/STTPEC/S_TRADE_ITEM_DYNFLD_STR, 
MATNR TYPE STRING,
MAKTX TYPE STRING,
MEINS TYPE STRING,
MEINS_TEXT TYPE STRING,
MEINH TYPE STRING,
MEINH_TEXT TYPE STRING,
EAN11 TYPE STRING,
LVORM TYPE STRING,
UMREZ TYPE STRING,
UMREN TYPE STRING,
UOM_BASE TYPE STRING,
UOM_ALT TYPE STRING,
BEGRU TYPE STRING,
/STTPEC/SERTYPE TYPE STRING,
/STTPEC/COUNTRY_REF TYPE STRING,
/STTPEC/PRDCAT TYPE STRING,
/STTPEC/SYNCACT TYPE STRING,
/STTPEC/SYNCTIME TYPE STRING,
/STTPEC/MAT_CHG TYPE STRING,
/STTPEC/INT_ONLINE TYPE STRING,
LANDX TYPE STRING,
BP_NAME TYPE STRING,
SERNO_MANAGED_TEXT TYPE STRING,
/STTPEC/GTIN TYPE STRING,
/STTPEC/NCODE TYPE STRING,
/STTPEC/NCODE_TY TYPE STRING,
/STTPEC/RCODE TYPE STRING,
/STTPEC/SERUSE TYPE STRING,
/STTPEC/SYNCCHG TYPE STRING,
/STTPEC/SERNO_MANAGED TYPE STRING,
/STTPEC/SERNO_PROV_BUP TYPE STRING,
/STTPEC/UOM_SYNC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/STTPEC/S_TRADE_ITEM_DYNFLD_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_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-MATNR sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-MAKTX sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-MEINS sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-MEINS_TEXT sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-MEINH sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-MEINH_TEXT sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-EAN11 sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-LVORM sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-UMREZ sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-UMREN sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-UOM_BASE sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-UOM_ALT sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-BEGRU sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/SERTYPE sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/COUNTRY_REF sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/PRDCAT sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/SYNCACT sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/SYNCTIME sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/MAT_CHG sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/INT_ONLINE sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-LANDX sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-BP_NAME sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-SERNO_MANAGED_TEXT sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/GTIN sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/NCODE sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/NCODE_TY sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/RCODE sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/SERUSE sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/SYNCCHG sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/SERNO_MANAGED sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/SERNO_PROV_BUP sy-vline 
WA_/STTPEC/S_TRADE_ITEM_DYNFLD_STR-/STTPEC/UOM_SYNC sy-vline      INTO ld_text SEPARATED BY SPACE.

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