ABAP Select data from SAP table /SCA/DM_LABEL_AUTO_PDF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCA/DM_LABEL_AUTO_PDF
*  INTO TABLE @DATA(IT_/SCA/DM_LABEL_AUTO_PDF2).
*--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_/SCA/DM_LABEL_AUTO_PDF INDEX 1 INTO DATA(WA_/SCA/DM_LABEL_AUTO_PDF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCA/DM_LABEL_AUTO_PDF>-REL_CREA_DATE = 1.
</SCA/DM_LABEL_AUTO_PDF>-REL_DEL_DATE = 1.
</SCA/DM_LABEL_AUTO_PDF>-REL_TIME = 1.
</SCA/DM_LABEL_AUTO_PDF>-VAR_ADDRESS_NO = 1.
</SCA/DM_LABEL_AUTO_PDF>-FROM_LOC_NO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCA/DM_LABEL_AUTO_PDF-HU_UNIT, sy-vline,
  WA_/SCA/DM_LABEL_AUTO_PDF-HU_QUANTITY, sy-vline,
  WA_/SCA/DM_LABEL_AUTO_PDF-HU_DATE, sy-vline,
  WA_/SCA/DM_LABEL_AUTO_PDF-NO_OF_HU, sy-vline,
  WA_/SCA/DM_LABEL_AUTO_PDF-HU_PARTY_SUPPLIER, sy-vline,
  WA_/SCA/DM_LABEL_AUTO_PDF-HU_GUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCA/DM_LABEL_AUTO_PDF 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_/SCA/DM_LABEL_AUTO_PDF 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_/SCA/DM_LABEL_AUTO_PDF INTO WA_/SCA/DM_LABEL_AUTO_PDF.


*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 VAR_ADDRESS_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCA/DM_LABEL_AUTO_PDF-VAR_ADDRESS_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCA/DM_LABEL_AUTO_PDF-VAR_ADDRESS_NO.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SCA/DM_LABEL_AUTO_PDF-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCA/DM_LABEL_AUTO_PDF-LANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit DLVCV, internal->external for field ID_BC
CALL FUNCTION 'CONVERSION_EXIT_DLVCV_OUTPUT'
  EXPORTING
    input =                      WA_/SCA/DM_LABEL_AUTO_PDF-ID_BC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCA/DM_LABEL_AUTO_PDF-ID_BC.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit HUCNV, internal->external for field HU_ID_BC
CALL FUNCTION 'CONVERSION_EXIT_HUCNV_OUTPUT'
  EXPORTING
    input =                      WA_/SCA/DM_LABEL_AUTO_PDF-HU_ID_BC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCA/DM_LABEL_AUTO_PDF-HU_ID_BC.
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_/SCA/DM_LABEL_AUTO_PDF_STR, 
REL_CREA_DATE TYPE STRING,
REL_DEL_DATE TYPE STRING,
REL_TIME TYPE STRING,
VAR_ADDRESS_NO TYPE STRING,
FROM_LOC_NO TYPE STRING,
HU_UNIT TYPE STRING,
HU_QUANTITY TYPE STRING,
HU_DATE TYPE STRING,
NO_OF_HU TYPE STRING,
HU_PARTY_SUPPLIER TYPE STRING,
HU_GUID TYPE STRING,
LANGU TYPE STRING,
COUNTRY TYPE STRING,
PROD_ID TYPE STRING,
PROD_PARTY_ID TYPE STRING,
ID_BC TYPE STRING,
PROD_ID_BC TYPE STRING,
PROD_PARTY_ID_BC TYPE STRING,
HU_QUANTITY_BC TYPE STRING,
HU_PARTY_SUPPLIER_BC TYPE STRING,
BATCH_ID_BC TYPE STRING,
HU_ID_BC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCA/DM_LABEL_AUTO_PDF_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_/SCA/DM_LABEL_AUTO_PDF_STR-REL_CREA_DATE sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-REL_DEL_DATE sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-REL_TIME sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-VAR_ADDRESS_NO sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-FROM_LOC_NO sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-HU_UNIT sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-HU_QUANTITY sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-HU_DATE sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-NO_OF_HU sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-HU_PARTY_SUPPLIER sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-HU_GUID sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-LANGU sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-COUNTRY sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-PROD_ID sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-PROD_PARTY_ID sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-ID_BC sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-PROD_ID_BC sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-PROD_PARTY_ID_BC sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-HU_QUANTITY_BC sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-HU_PARTY_SUPPLIER_BC sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-BATCH_ID_BC sy-vline 
WA_/SCA/DM_LABEL_AUTO_PDF_STR-HU_ID_BC sy-vline      INTO ld_text SEPARATED BY SPACE.

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