ABAP Select data from SAP table IDWTCOMPCD_ADD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IDWTCOMPCD_ADD
*  INTO TABLE @DATA(IT_IDWTCOMPCD_ADD2).
*--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_IDWTCOMPCD_ADD INDEX 1 INTO DATA(WA_IDWTCOMPCD_ADD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IDWTCOMPCD_ADD>-GB_CIS_WTAOR = 1.
<IDWTCOMPCD_ADD>-GB_CIS_WTTOR = 1.
<IDWTCOMPCD_ADD>-GB_CIS_WTTON = 1.
<IDWTCOMPCD_ADD>-GB_CIS_WTCER = 1.
<IDWTCOMPCD_ADD>-GB_CIS_WTUTR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IDWTCOMPCD_ADD-GB_CIS_SNDRID, sy-vline,
  WA_IDWTCOMPCD_ADD-GB_CIS_AUTHVAL, sy-vline,
  WA_IDWTCOMPCD_ADD-GB_CIS_SNDRENUM, sy-vline,
  WA_IDWTCOMPCD_ADD-BE_TAXID1, sy-vline,
  WA_IDWTCOMPCD_ADD-BE_TAXID2, sy-vline,
  WA_IDWTCOMPCD_ADD-BE_CONTACT_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IDWTCOMPCD_ADD 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_IDWTCOMPCD_ADD 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_IDWTCOMPCD_ADD INTO WA_IDWTCOMPCD_ADD.


*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 AU132, internal->external for field BE_MINBASE
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IDWTCOMPCD_ADD-BE_MINBASE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWTCOMPCD_ADD-BE_MINBASE.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AU132, internal->external for field BE_MIN_9314
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IDWTCOMPCD_ADD-BE_MIN_9314
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWTCOMPCD_ADD-BE_MIN_9314.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field FR_MIN_AMT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IDWTCOMPCD_ADD-FR_MIN_AMT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWTCOMPCD_ADD-FR_MIN_AMT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field IE_AMNT_DECL
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_IDWTCOMPCD_ADD-IE_AMNT_DECL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWTCOMPCD_ADD-IE_AMNT_DECL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field IE_AMNT_UNDECL
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IDWTCOMPCD_ADD-IE_AMNT_UNDECL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IDWTCOMPCD_ADD-IE_AMNT_UNDECL.
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_IDWTCOMPCD_ADD_STR, 
GB_CIS_WTAOR TYPE STRING,
GB_CIS_WTTOR TYPE STRING,
GB_CIS_WTTON TYPE STRING,
GB_CIS_WTCER TYPE STRING,
GB_CIS_WTUTR TYPE STRING,
GB_CIS_SNDRID TYPE STRING,
GB_CIS_AUTHVAL TYPE STRING,
GB_CIS_SNDRENUM TYPE STRING,
BE_TAXID1 TYPE STRING,
BE_TAXID2 TYPE STRING,
BE_CONTACT_ID TYPE STRING,
BE_CONTACT_EM TYPE STRING,
BE_MINBASE TYPE STRING,
BE_REPORTYEAR TYPE STRING,
BE_SEQ_NUM TYPE STRING,
BE_CORR_INDICATOR TYPE STRING,
BE_TEST_RUN TYPE STRING,
BE_CORR_REFERENCE TYPE STRING,
BE_NIHIL TYPE STRING,
BE_HWAER TYPE STRING,
BE_REPORTDATE TYPE STRING,
BE_R8010_REC TYPE STRING,
BE_R9010_REC TYPE STRING,
BE_R9011_TOTREC TYPE STRING,
BE_SEND_STREET TYPE STRING,
BE_SEND_STR_NO TYPE STRING,
BE_SEND_POCODE TYPE STRING,
BE_SEND_CITY TYPE STRING,
BE_SEND_NAME TYPE STRING,
BE_SEND_ENT_NO TYPE STRING,
BE_GEN_INFO_HDR TYPE STRING,
BE_SEND_INFO_HDR TYPE STRING,
BE_DIVISION TYPE STRING,
BE_DIVISION_HDR TYPE STRING,
BE_SEND_TEL_NO TYPE STRING,
BE_NR_INTERVAL TYPE STRING,
BE_SPRAS TYPE STRING,
BE_QLAND TYPE STRING,
BE_MIN_9314 TYPE STRING,
FR_MIN_AMT TYPE STRING,
FR_GEN_INFO_HDR TYPE STRING,
FR_HWAER TYPE STRING,
FR_CONTACT_NAME TYPE STRING,
FR_CONTACT_EM TYPE STRING,
VE_COMPCD_RIF TYPE STRING,
VE_PERIOD TYPE STRING,
VE_HR_INDICATOR TYPE STRING,
TH_SUB_NATURE TYPE STRING,
TH_SUB_NO TYPE STRING,
TH_ADD_SUB TYPE STRING,
TH_PAYT_DATE TYPE STRING,
TH_BRANCH TYPE STRING,
TH_PAYER TYPE STRING,
TH_HDR_COPY1 TYPE STRING,
TH_HDR_COPY2 TYPE STRING,
TH_ADRC TYPE STRING,
IE_GEN_INFO_HDR TYPE STRING,
IE_DUEDATE TYPE STRING,
IE_RTYPE TYPE STRING,
IE_AMNT_DECL TYPE STRING,
IE_AMNT_UNDECL TYPE STRING,
IE_FILED_STATUS TYPE STRING,
IE_BUKRS_TITLE TYPE STRING,
IE_BUKRS_SUFFIX TYPE STRING,
IE_BUKRS_ADDRESS TYPE STRING,
IE_TAX_RATE TYPE STRING,
US_CHP3 TYPE STRING,
US_1042_GIIN TYPE STRING,
US_CHP3_STATUS TYPE STRING,
US_1042_INT_GIIN TYPE STRING,
US_1042_INT_CH3 TYPE STRING,
US_1042_INT_CH4 TYPE STRING,
US_1042_INT_TAXID TYPE STRING,
US_1042_NAME1 TYPE STRING,
US_1042_NAME2 TYPE STRING,
US_1042_EIN TYPE STRING,
FRG_TAX_ID TYPE STRING,
JP_CCORPNUM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IDWTCOMPCD_ADD_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_IDWTCOMPCD_ADD_STR-GB_CIS_WTAOR sy-vline 
WA_IDWTCOMPCD_ADD_STR-GB_CIS_WTTOR sy-vline 
WA_IDWTCOMPCD_ADD_STR-GB_CIS_WTTON sy-vline 
WA_IDWTCOMPCD_ADD_STR-GB_CIS_WTCER sy-vline 
WA_IDWTCOMPCD_ADD_STR-GB_CIS_WTUTR sy-vline 
WA_IDWTCOMPCD_ADD_STR-GB_CIS_SNDRID sy-vline 
WA_IDWTCOMPCD_ADD_STR-GB_CIS_AUTHVAL sy-vline 
WA_IDWTCOMPCD_ADD_STR-GB_CIS_SNDRENUM sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_TAXID1 sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_TAXID2 sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_CONTACT_ID sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_CONTACT_EM sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_MINBASE sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_REPORTYEAR sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_SEQ_NUM sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_CORR_INDICATOR sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_TEST_RUN sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_CORR_REFERENCE sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_NIHIL sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_HWAER sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_REPORTDATE sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_R8010_REC sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_R9010_REC sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_R9011_TOTREC sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_SEND_STREET sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_SEND_STR_NO sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_SEND_POCODE sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_SEND_CITY sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_SEND_NAME sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_SEND_ENT_NO sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_GEN_INFO_HDR sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_SEND_INFO_HDR sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_DIVISION sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_DIVISION_HDR sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_SEND_TEL_NO sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_NR_INTERVAL sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_SPRAS sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_QLAND sy-vline 
WA_IDWTCOMPCD_ADD_STR-BE_MIN_9314 sy-vline 
WA_IDWTCOMPCD_ADD_STR-FR_MIN_AMT sy-vline 
WA_IDWTCOMPCD_ADD_STR-FR_GEN_INFO_HDR sy-vline 
WA_IDWTCOMPCD_ADD_STR-FR_HWAER sy-vline 
WA_IDWTCOMPCD_ADD_STR-FR_CONTACT_NAME sy-vline 
WA_IDWTCOMPCD_ADD_STR-FR_CONTACT_EM sy-vline 
WA_IDWTCOMPCD_ADD_STR-VE_COMPCD_RIF sy-vline 
WA_IDWTCOMPCD_ADD_STR-VE_PERIOD sy-vline 
WA_IDWTCOMPCD_ADD_STR-VE_HR_INDICATOR sy-vline 
WA_IDWTCOMPCD_ADD_STR-TH_SUB_NATURE sy-vline 
WA_IDWTCOMPCD_ADD_STR-TH_SUB_NO sy-vline 
WA_IDWTCOMPCD_ADD_STR-TH_ADD_SUB sy-vline 
WA_IDWTCOMPCD_ADD_STR-TH_PAYT_DATE sy-vline 
WA_IDWTCOMPCD_ADD_STR-TH_BRANCH sy-vline 
WA_IDWTCOMPCD_ADD_STR-TH_PAYER sy-vline 
WA_IDWTCOMPCD_ADD_STR-TH_HDR_COPY1 sy-vline 
WA_IDWTCOMPCD_ADD_STR-TH_HDR_COPY2 sy-vline 
WA_IDWTCOMPCD_ADD_STR-TH_ADRC sy-vline 
WA_IDWTCOMPCD_ADD_STR-IE_GEN_INFO_HDR sy-vline 
WA_IDWTCOMPCD_ADD_STR-IE_DUEDATE sy-vline 
WA_IDWTCOMPCD_ADD_STR-IE_RTYPE sy-vline 
WA_IDWTCOMPCD_ADD_STR-IE_AMNT_DECL sy-vline 
WA_IDWTCOMPCD_ADD_STR-IE_AMNT_UNDECL sy-vline 
WA_IDWTCOMPCD_ADD_STR-IE_FILED_STATUS sy-vline 
WA_IDWTCOMPCD_ADD_STR-IE_BUKRS_TITLE sy-vline 
WA_IDWTCOMPCD_ADD_STR-IE_BUKRS_SUFFIX sy-vline 
WA_IDWTCOMPCD_ADD_STR-IE_BUKRS_ADDRESS sy-vline 
WA_IDWTCOMPCD_ADD_STR-IE_TAX_RATE sy-vline 
WA_IDWTCOMPCD_ADD_STR-US_CHP3 sy-vline 
WA_IDWTCOMPCD_ADD_STR-US_1042_GIIN sy-vline 
WA_IDWTCOMPCD_ADD_STR-US_CHP3_STATUS sy-vline 
WA_IDWTCOMPCD_ADD_STR-US_1042_INT_GIIN sy-vline 
WA_IDWTCOMPCD_ADD_STR-US_1042_INT_CH3 sy-vline 
WA_IDWTCOMPCD_ADD_STR-US_1042_INT_CH4 sy-vline 
WA_IDWTCOMPCD_ADD_STR-US_1042_INT_TAXID sy-vline 
WA_IDWTCOMPCD_ADD_STR-US_1042_NAME1 sy-vline 
WA_IDWTCOMPCD_ADD_STR-US_1042_NAME2 sy-vline 
WA_IDWTCOMPCD_ADD_STR-US_1042_EIN sy-vline 
WA_IDWTCOMPCD_ADD_STR-FRG_TAX_ID sy-vline 
WA_IDWTCOMPCD_ADD_STR-JP_CCORPNUM sy-vline      INTO ld_text SEPARATED BY SPACE.

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