ABAP Select data from SAP table /SYCLO/SD_KONV_STR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SYCLO/SD_KONV_STR
*  INTO TABLE @DATA(IT_/SYCLO/SD_KONV_STR2).
*--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_/SYCLO/SD_KONV_STR INDEX 1 INTO DATA(WA_/SYCLO/SD_KONV_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SYCLO/SD_KONV_STR>-MANDT = 1.
</SYCLO/SD_KONV_STR>-KNUMV = 1.
</SYCLO/SD_KONV_STR>-KPOSN = 1.
</SYCLO/SD_KONV_STR>-STUNR = 1.
</SYCLO/SD_KONV_STR>-ZAEHK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SYCLO/SD_KONV_STR-KAPPL, sy-vline,
  WA_/SYCLO/SD_KONV_STR-KSCHL, sy-vline,
  WA_/SYCLO/SD_KONV_STR-KDATU, sy-vline,
  WA_/SYCLO/SD_KONV_STR-KRECH, sy-vline,
  WA_/SYCLO/SD_KONV_STR-KAWRT, sy-vline,
  WA_/SYCLO/SD_KONV_STR-KBETR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SYCLO/SD_KONV_STR 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_/SYCLO/SD_KONV_STR 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_/SYCLO/SD_KONV_STR INTO WA_/SYCLO/SD_KONV_STR.


*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 EXCRT, internal->external for field KKURS
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLO/SD_KONV_STR-KKURS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLO/SD_KONV_STR-KKURS.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field SAKN1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLO/SD_KONV_STR-SAKN1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLO/SD_KONV_STR-SAKN1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SAKN2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLO/SD_KONV_STR-SAKN2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLO/SD_KONV_STR-SAKN2.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field KONMS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SYCLO/SD_KONV_STR-KONMS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SYCLO/SD_KONV_STR-KONMS.
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_/SYCLO/SD_KONV_STR_STR, 
MANDT TYPE STRING,
KNUMV TYPE STRING,
KPOSN TYPE STRING,
STUNR TYPE STRING,
ZAEHK TYPE STRING,
KAPPL TYPE STRING,
KSCHL TYPE STRING,
KDATU TYPE STRING,
KRECH TYPE STRING,
KAWRT TYPE STRING,
KBETR TYPE STRING,
WAERS TYPE STRING,
KKURS TYPE STRING,
KPEIN TYPE STRING,
KMEIN TYPE STRING,
KUMZA TYPE STRING,
KUMNE TYPE STRING,
KNTYP TYPE STRING,
KSTAT TYPE STRING,
KNPRS TYPE STRING,
KRUEK TYPE STRING,
KRELI TYPE STRING,
KHERK TYPE STRING,
KGRPE TYPE STRING,
KOUPD TYPE STRING,
KOLNR TYPE STRING,
KNUMH TYPE STRING,
KOPOS TYPE STRING,
KVSL1 TYPE STRING,
SAKN1 TYPE STRING,
MWSK1 TYPE STRING,
KVSL2 TYPE STRING,
SAKN2 TYPE STRING,
MWSK2 TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
KDIFF TYPE STRING,
KWERT TYPE STRING,
KSTEU TYPE STRING,
KINAK TYPE STRING,
KOAID TYPE STRING,
ZAEKO TYPE STRING,
KMXAW TYPE STRING,
KMXWR TYPE STRING,
KFAKTOR TYPE STRING,
KDUPL TYPE STRING,
KFAKTOR1 TYPE STRING,
KZBZG TYPE STRING,
KSTBS TYPE STRING,
KONMS TYPE STRING,
KONWS TYPE STRING,
KAWRT_K TYPE STRING,
KWAEH TYPE STRING,
KWERT_K TYPE STRING,
KFKIV TYPE STRING,
KVARC TYPE STRING,
KMPRS TYPE STRING,
PRSQU TYPE STRING,
VARCOND TYPE STRING,
STUFE TYPE STRING,
WEGXX TYPE STRING,
KTREL TYPE STRING,
MDFLG TYPE STRING,
TXJLV TYPE STRING,
KBFLAG TYPE STRING,
KOLNR3 TYPE STRING,
CPF_GUID TYPE STRING,
KAQTY TYPE STRING,
VAL_ZERO TYPE STRING,
IS_ACCT_DETN_RELEVANT TYPE STRING,
TAX_COUNTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SYCLO/SD_KONV_STR_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_/SYCLO/SD_KONV_STR_STR-MANDT sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KNUMV sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KPOSN sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-STUNR sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-ZAEHK sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KAPPL sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KSCHL sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KDATU sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KRECH sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KAWRT sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KBETR sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-WAERS sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KKURS sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KPEIN sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KMEIN sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KUMZA sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KUMNE sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KNTYP sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KSTAT sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KNPRS sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KRUEK sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KRELI sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KHERK sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KGRPE sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KOUPD sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KOLNR sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KNUMH sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KOPOS sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KVSL1 sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-SAKN1 sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-MWSK1 sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KVSL2 sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-SAKN2 sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-MWSK2 sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-LIFNR sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KUNNR sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KDIFF sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KWERT sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KSTEU sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KINAK sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KOAID sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-ZAEKO sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KMXAW sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KMXWR sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KFAKTOR sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KDUPL sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KFAKTOR1 sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KZBZG sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KSTBS sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KONMS sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KONWS sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KAWRT_K sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KWAEH sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KWERT_K sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KFKIV sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KVARC sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KMPRS sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-PRSQU sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-VARCOND sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-STUFE sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-WEGXX sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KTREL sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-MDFLG sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-TXJLV sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KBFLAG sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KOLNR3 sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-CPF_GUID sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-KAQTY sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-VAL_ZERO sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-IS_ACCT_DETN_RELEVANT sy-vline 
WA_/SYCLO/SD_KONV_STR_STR-TAX_COUNTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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