ABAP Select data from SAP table ISLSDOCITMCMPLPT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISLSDOCITMCMPLPT
*  INTO TABLE @DATA(IT_ISLSDOCITMCMPLPT2).
*--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_ISLSDOCITMCMPLPT INDEX 1 INTO DATA(WA_ISLSDOCITMCMPLPT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISLSDOCITMCMPLPT>-MANDT = 1.
<ISLSDOCITMCMPLPT>-SALESDOCUMENT = 1.
<ISLSDOCITMCMPLPT>-SALESDOCUMENTITEM = 1.
<ISLSDOCITMCMPLPT>-PARTNERFUNCTION = 1.
<ISLSDOCITMCMPLPT>-CUSTOMER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISLSDOCITMCMPLPT-SUPPLIER, sy-vline,
  WA_ISLSDOCITMCMPLPT-CONTACTPERSON, sy-vline,
  WA_ISLSDOCITMCMPLPT-REFERENCEBUSINESSPARTNER, sy-vline,
  WA_ISLSDOCITMCMPLPT-PERSONNEL, sy-vline,
  WA_ISLSDOCITMCMPLPT-ADDRESSID, sy-vline,
  WA_ISLSDOCITMCMPLPT-ADDRESSPERSONID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISLSDOCITMCMPLPT 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_ISLSDOCITMCMPLPT 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_ISLSDOCITMCMPLPT INTO WA_ISLSDOCITMCMPLPT.


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

*Conversion exit PARVW, internal->external for field PARTNERFUNCTION
CALL FUNCTION 'CONVERSION_EXIT_PARVW_OUTPUT'
  EXPORTING
    input =                      WA_ISLSDOCITMCMPLPT-PARTNERFUNCTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISLSDOCITMCMPLPT-PARTNERFUNCTION.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit SXIDN, internal->external for field EMAILADDRESS
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_ISLSDOCITMCMPLPT-EMAILADDRESS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISLSDOCITMCMPLPT-EMAILADDRESS.
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_ISLSDOCITMCMPLPT_STR, 
MANDT TYPE STRING,
SALESDOCUMENT TYPE STRING,
SALESDOCUMENTITEM TYPE STRING,
PARTNERFUNCTION TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
CONTACTPERSON TYPE STRING,
REFERENCEBUSINESSPARTNER TYPE STRING,
PERSONNEL TYPE STRING,
ADDRESSID TYPE STRING,
ADDRESSPERSONID TYPE STRING,
ADDRESSOBJECTTYPE TYPE STRING,
SDDOCPARTNERADDRESSREFTYPE TYPE STRING,
BPADDRDETERMINATIONTRANSACTION TYPE STRING,
BPREFADDRESSIDFORDOCSPCFCADDR TYPE STRING,
PARTNER TYPE STRING,
FULLNAME TYPE STRING,
INTERNATIONALPHONENUMBER TYPE STRING,
INTERNATIONALMOBILEPHONENUMBER TYPE STRING,
EMAILADDRESS TYPE STRING,
COUNTRY TYPE STRING,
PARTNERISSPECIFICFORSDDOCITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISLSDOCITMCMPLPT_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_ISLSDOCITMCMPLPT_STR-MANDT sy-vline 
WA_ISLSDOCITMCMPLPT_STR-SALESDOCUMENT sy-vline 
WA_ISLSDOCITMCMPLPT_STR-SALESDOCUMENTITEM sy-vline 
WA_ISLSDOCITMCMPLPT_STR-PARTNERFUNCTION sy-vline 
WA_ISLSDOCITMCMPLPT_STR-CUSTOMER sy-vline 
WA_ISLSDOCITMCMPLPT_STR-SUPPLIER sy-vline 
WA_ISLSDOCITMCMPLPT_STR-CONTACTPERSON sy-vline 
WA_ISLSDOCITMCMPLPT_STR-REFERENCEBUSINESSPARTNER sy-vline 
WA_ISLSDOCITMCMPLPT_STR-PERSONNEL sy-vline 
WA_ISLSDOCITMCMPLPT_STR-ADDRESSID sy-vline 
WA_ISLSDOCITMCMPLPT_STR-ADDRESSPERSONID sy-vline 
WA_ISLSDOCITMCMPLPT_STR-ADDRESSOBJECTTYPE sy-vline 
WA_ISLSDOCITMCMPLPT_STR-SDDOCPARTNERADDRESSREFTYPE sy-vline 
WA_ISLSDOCITMCMPLPT_STR-BPADDRDETERMINATIONTRANSACTION sy-vline 
WA_ISLSDOCITMCMPLPT_STR-BPREFADDRESSIDFORDOCSPCFCADDR sy-vline 
WA_ISLSDOCITMCMPLPT_STR-PARTNER sy-vline 
WA_ISLSDOCITMCMPLPT_STR-FULLNAME sy-vline 
WA_ISLSDOCITMCMPLPT_STR-INTERNATIONALPHONENUMBER sy-vline 
WA_ISLSDOCITMCMPLPT_STR-INTERNATIONALMOBILEPHONENUMBER sy-vline 
WA_ISLSDOCITMCMPLPT_STR-EMAILADDRESS sy-vline 
WA_ISLSDOCITMCMPLPT_STR-COUNTRY sy-vline 
WA_ISLSDOCITMCMPLPT_STR-PARTNERISSPECIFICFORSDDOCITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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