ABAP Select data from SAP table SLL_TRDCMPLNCDOCITEM_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SLL_TRDCMPLNCDOCITEM_S
*  INTO TABLE @DATA(IT_SLL_TRDCMPLNCDOCITEM_S2).
*--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_SLL_TRDCMPLNCDOCITEM_S INDEX 1 INTO DATA(WA_SLL_TRDCMPLNCDOCITEM_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SLL_TRDCMPLNCDOCITEM_S>-DB_KEY = 1.
<SLL_TRDCMPLNCDOCITEM_S>-LGREG = 1.
<SLL_TRDCMPLNCDOCITEM_S>-LGREG_TEXT = 1.
<SLL_TRDCMPLNCDOCITEM_S>-BLKRN = 1.
<SLL_TRDCMPLNCDOCITEM_S>-BLKRN_TEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SLL_TRDCMPLNCDOCITEM_S-BLKRN_CRIT, sy-vline,
  WA_SLL_TRDCMPLNCDOCITEM_S-LRBST, sy-vline,
  WA_SLL_TRDCMPLNCDOCITEM_S-LRBST_TEXT, sy-vline,
  WA_SLL_TRDCMPLNCDOCITEM_S-LRBST_CRIT, sy-vline,
  WA_SLL_TRDCMPLNCDOCITEM_S-LRBIN, sy-vline,
  WA_SLL_TRDCMPLNCDOCITEM_S-LRBIN_TEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SLL_TRDCMPLNCDOCITEM_S 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_SLL_TRDCMPLNCDOCITEM_S 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_SLL_TRDCMPLNCDOCITEM_S INTO WA_SLL_TRDCMPLNCDOCITEM_S.


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

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

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

*Conversion exit CUNIT, internal->external for field QUAUM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_SLL_TRDCMPLNCDOCITEM_S-QUAUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SLL_TRDCMPLNCDOCITEM_S-QUAUM.
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_SLL_TRDCMPLNCDOCITEM_S_STR, 
DB_KEY TYPE STRING,
LGREG TYPE STRING,
LGREG_TEXT TYPE STRING,
BLKRN TYPE STRING,
BLKRN_TEXT TYPE STRING,
BLKRN_CRIT TYPE STRING,
LRBST TYPE STRING,
LRBST_TEXT TYPE STRING,
LRBST_CRIT TYPE STRING,
LRBIN TYPE STRING,
LRBIN_TEXT TYPE STRING,
LRBIN_CRIT TYPE STRING,
BUKRS TYPE STRING,
BUKRS_TEXT TYPE STRING,
WERKS TYPE STRING,
WERKS_TEXT TYPE STRING,
TCPCO TYPE STRING,
TCPCO_TEXT TYPE STRING,
DOCCA TYPE STRING,
DOCCA_TEXT TYPE STRING,
DOCNO TYPE STRING,
ITMNO TYPE STRING,
TCCKD TYPE STRING,
TCCKD_TEXT TYPE STRING,
DEFDT TYPE STRING,
DEFDT_FROM TYPE STRING,
DEFDT_TO TYPE STRING,
CLDCD TYPE STRING,
BLKNO TYPE STRING,
MATNR TYPE STRING,
MATNR_TEXT TYPE STRING,
OPIND TYPE STRING,
IPIND TYPE STRING,
NTAMT TYPE STRING,
DOCUR TYPE STRING,
QUARQ TYPE STRING,
QUAUM TYPE STRING,
QUACL TYPE STRING,
EMBRR TYPE STRING,
USCMT TYPE STRING,
TCPCOS TYPE STRING,
TCPCOS_TEXT TYPE STRING,
TCPCOS_CRIT TYPE STRING,
LCCAC TYPE STRING,
EMBAC TYPE STRING,
WLSAC TYPE STRING,
VISBL TYPE STRING,
EDIT_RBLK TYPE STRING,
EDIT_CBLK TYPE STRING,
LRSTR TYPE STRING,
LRSTR_TXT TYPE STRING,
LRSDB TYPE STRING,
LRSDB_DESC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SLL_TRDCMPLNCDOCITEM_S_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_SLL_TRDCMPLNCDOCITEM_S_STR-DB_KEY sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LGREG sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LGREG_TEXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-BLKRN sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-BLKRN_TEXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-BLKRN_CRIT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LRBST sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LRBST_TEXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LRBST_CRIT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LRBIN sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LRBIN_TEXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LRBIN_CRIT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-BUKRS sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-BUKRS_TEXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-WERKS sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-WERKS_TEXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-TCPCO sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-TCPCO_TEXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-DOCCA sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-DOCCA_TEXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-DOCNO sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-ITMNO sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-TCCKD sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-TCCKD_TEXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-DEFDT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-DEFDT_FROM sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-DEFDT_TO sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-CLDCD sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-BLKNO sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-MATNR sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-MATNR_TEXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-OPIND sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-IPIND sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-NTAMT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-DOCUR sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-QUARQ sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-QUAUM sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-QUACL sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-EMBRR sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-USCMT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-TCPCOS sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-TCPCOS_TEXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-TCPCOS_CRIT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LCCAC sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-EMBAC sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-WLSAC sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-VISBL sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-EDIT_RBLK sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-EDIT_CBLK sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LRSTR sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LRSTR_TXT sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LRSDB sy-vline 
WA_SLL_TRDCMPLNCDOCITEM_S_STR-LRSDB_DESC sy-vline      INTO ld_text SEPARATED BY SPACE.

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