ABAP Select data from SAP table /ACCGO/DFW_S_MSWC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/DFW_S_MSWC
*  INTO TABLE @DATA(IT_/ACCGO/DFW_S_MSWC2).
*--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_/ACCGO/DFW_S_MSWC INDEX 1 INTO DATA(WA_/ACCGO/DFW_S_MSWC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/DFW_S_MSWC>-DOC_REFERENCE = 1.
</ACCGO/DFW_S_MSWC>-TKONN = 1.
</ACCGO/DFW_S_MSWC>-TPOSN = 1.
</ACCGO/DFW_S_MSWC>-MATNR = 1.
</ACCGO/DFW_S_MSWC>-VTWEG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/DFW_S_MSWC-SPART, sy-vline,
  WA_/ACCGO/DFW_S_MSWC-KUNNR, sy-vline,
  WA_/ACCGO/DFW_S_MSWC-TPOSN_SUB, sy-vline,
  WA_/ACCGO/DFW_S_MSWC-WERKS, sy-vline,
  WA_/ACCGO/DFW_S_MSWC-LGORT, sy-vline,
  WA_/ACCGO/DFW_S_MSWC-BUKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/DFW_S_MSWC 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_/ACCGO/DFW_S_MSWC 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_/ACCGO/DFW_S_MSWC INTO WA_/ACCGO/DFW_S_MSWC.


*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 DOC_REFERENCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/DFW_S_MSWC-DOC_REFERENCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/DFW_S_MSWC-DOC_REFERENCE.
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_/ACCGO/DFW_S_MSWC_STR, 
DOC_REFERENCE TYPE STRING,
TKONN TYPE STRING,
TPOSN TYPE STRING,
MATNR TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
KUNNR TYPE STRING,
TPOSN_SUB TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
BUKRS TYPE STRING,
VKORG TYPE STRING,
APPLDOC TYPE STRING,
DOC_TYPE TYPE STRING,
BLDAT TYPE STRING,
NOMTK TYPE STRING,
NOMNR TYPE STRING,
NOM_ITM_ID TYPE STRING,
CARRIER TYPE STRING,
SHIPPER TYPE STRING,
VHLNMR TYPE STRING,
TSYST TYPE STRING,
VKTRA TYPE STRING,
LOCID TYPE STRING,
NOMTYP TYPE STRING,
MAX_LINES TYPE STRING,
LDC_ID TYPE STRING,
EXT_ID TYPE STRING,
LDC_TYPE TYPE STRING,
LDC_STATUS TYPE STRING,
EVENT_TYPE TYPE STRING,
APPL_INSTR TYPE STRING,
LEAD_CAR_NO TYPE STRING,
VEHICLE_NO TYPE STRING,
VESSEL_NAME TYPE STRING,
TICKET TYPE STRING,
EVENT_LOC_TYP TYPE STRING,
EVENT_LOC TYPE STRING,
SO_ID TYPE STRING,
SO_ITM_ID TYPE STRING,
STO_ID TYPE STRING,
STO_ITM_ID TYPE STRING,
PO_ID TYPE STRING,
PO_ITM_ID TYPE STRING,
EVENT_DATE TYPE STRING,
POSTING_DATE TYPE STRING,
BOL TYPE STRING,
BOL_DATE TYPE STRING,
DPA_NUMBER TYPE STRING,
BOOKING_NO TYPE STRING,
WEIGHT_CERT_ID TYPE STRING,
ANALYSIS_CERT_ID TYPE STRING,
TRANP_DETAILS TYPE STRING,
BARGE_ID TYPE STRING,
PHYSICAL_MATNR TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
COMMODITY TYPE STRING,
MATKL TYPE STRING,
MODE_ID TYPE STRING,
MEANS_ID TYPE STRING,
PRCTR TYPE STRING,
DATE_FROM TYPE STRING,
DATE_TO TYPE STRING,
TCTYP TYPE STRING,
BTBSTA TYPE STRING,
TKWAERS TYPE STRING,
WAERS_PURCH TYPE STRING,
ZTERM TYPE STRING,
ZTERM_SALES TYPE STRING,
PYMNT_TERMS TYPE STRING,
PYMNT_DATE TYPE STRING,
INCO1_MM TYPE STRING,
INCO2_L_MM TYPE STRING,
INCO3_L_MM TYPE STRING,
INCO1_SD TYPE STRING,
INCO2_L_SD TYPE STRING,
INCO3_L_SD TYPE STRING,
VAL_POINT TYPE STRING,
CROP_SEASON_ID TYPE STRING,
SOURCE_LOC TYPE STRING,
TKONN_EX TYPE STRING,
TKSACHB TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
ERDAT TYPE STRING,
AEDAT TYPE STRING,
VENDOR TYPE STRING,
TYPE_FROM TYPE STRING,
LAND1 TYPE STRING,
CHECK_BOX TYPE STRING,
SITYP TYPE STRING,
IDATE TYPE STRING,
S_MATNR_I TYPE STRING,
DOCNR TYPE STRING,
CONPAT TYPE STRING,
NMVESSEL TYPE STRING,
STATUS TYPE STRING,
APP_STATUS TYPE STRING,
SETTL_DOC TYPE STRING,
YEAR TYPE STRING,
GROUP_ID TYPE STRING,
INVOICE TYPE STRING,
BILLING TYPE STRING,
SCALE_TKT_NO TYPE STRING,
LICENSE TYPE STRING,
DRIVER_ID TYPE STRING,
PARVW TYPE STRING,
INVOICING_PARTY TYPE STRING,
BILL_TO_PARTY TYPE STRING,
KUNNRP TYPE STRING,
COUNTER_PARTY TYPE STRING,
VEHICLE_REL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/DFW_S_MSWC_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_/ACCGO/DFW_S_MSWC_STR-DOC_REFERENCE sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-TKONN sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-TPOSN sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-MATNR sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-VTWEG sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-SPART sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-KUNNR sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-TPOSN_SUB sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-WERKS sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-LGORT sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-BUKRS sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-VKORG sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-APPLDOC sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-DOC_TYPE sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-BLDAT sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-NOMTK sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-NOMNR sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-NOM_ITM_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-CARRIER sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-SHIPPER sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-VHLNMR sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-TSYST sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-VKTRA sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-LOCID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-NOMTYP sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-MAX_LINES sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-LDC_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-EXT_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-LDC_TYPE sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-LDC_STATUS sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-EVENT_TYPE sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-APPL_INSTR sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-LEAD_CAR_NO sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-VEHICLE_NO sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-VESSEL_NAME sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-TICKET sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-EVENT_LOC_TYP sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-EVENT_LOC sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-SO_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-SO_ITM_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-STO_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-STO_ITM_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-PO_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-PO_ITM_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-EVENT_DATE sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-POSTING_DATE sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-BOL sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-BOL_DATE sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-DPA_NUMBER sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-BOOKING_NO sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-WEIGHT_CERT_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-ANALYSIS_CERT_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-TRANP_DETAILS sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-BARGE_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-PHYSICAL_MATNR sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-CREATED_BY sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-CREATED_ON sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-CHANGED_BY sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-CHANGED_ON sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-COMMODITY sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-MATKL sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-MODE_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-MEANS_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-PRCTR sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-DATE_FROM sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-DATE_TO sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-TCTYP sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-BTBSTA sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-TKWAERS sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-WAERS_PURCH sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-ZTERM sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-ZTERM_SALES sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-PYMNT_TERMS sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-PYMNT_DATE sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-INCO1_MM sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-INCO2_L_MM sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-INCO3_L_MM sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-INCO1_SD sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-INCO2_L_SD sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-INCO3_L_SD sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-VAL_POINT sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-CROP_SEASON_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-SOURCE_LOC sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-TKONN_EX sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-TKSACHB sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-EKORG sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-EKGRP sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-ERDAT sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-AEDAT sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-VENDOR sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-TYPE_FROM sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-LAND1 sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-CHECK_BOX sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-SITYP sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-IDATE sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-S_MATNR_I sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-DOCNR sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-CONPAT sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-NMVESSEL sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-STATUS sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-APP_STATUS sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-SETTL_DOC sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-YEAR sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-GROUP_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-INVOICE sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-BILLING sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-SCALE_TKT_NO sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-LICENSE sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-DRIVER_ID sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-PARVW sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-INVOICING_PARTY sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-BILL_TO_PARTY sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-KUNNRP sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-COUNTER_PARTY sy-vline 
WA_/ACCGO/DFW_S_MSWC_STR-VEHICLE_REL sy-vline      INTO ld_text SEPARATED BY SPACE.

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