ABAP Select data from SAP table CMXDTXNWGTXITLGQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CMXDTXNWGTXITLGQ
*  INTO TABLE @DATA(IT_CMXDTXNWGTXITLGQ2).
*--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_CMXDTXNWGTXITLGQ INDEX 1 INTO DATA(WA_CMXDTXNWGTXITLGQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CMXDTXNWGTXITLGQ>-MANDT = 1.
<CMXDTXNWGTXITLGQ>-COMPANYCODE = 1.
<CMXDTXNWGTXITLGQ>-ACCOUNTINGDOCUMENT = 1.
<CMXDTXNWGTXITLGQ>-FISCALYEAR = 1.
<CMXDTXNWGTXITLGQ>-TAXCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CMXDTXNWGTXITLGQ-TAXITEM, sy-vline,
  WA_CMXDTXNWGTXITLGQ-TAXBOX, sy-vline,
  WA_CMXDTXNWGTXITLGQ-TAXDECLNAMOUNTTYPE, sy-vline,
  WA_CMXDTXNWGTXITLGQ-TAXITEMGROUPINGVERSION, sy-vline,
  WA_CMXDTXNWGTXITLGQ-TAXBOXSTRUCTURETYPE, sy-vline,
  WA_CMXDTXNWGTXITLGQ-WITHHOLDINGTAXTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CMXDTXNWGTXITLGQ 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_CMXDTXNWGTXITLGQ 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_CMXDTXNWGTXITLGQ INTO WA_CMXDTXNWGTXITLGQ.


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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_CMXDTXNWGTXITLGQ-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMXDTXNWGTXITLGQ-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AC172, internal->external for field TAXAMOUNTINCOCODECRCY
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_CMXDTXNWGTXITLGQ-TAXAMOUNTINCOCODECRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMXDTXNWGTXITLGQ-TAXAMOUNTINCOCODECRCY.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AC172, internal->external for field TAXBASEAMOUNTINRPTGCRCY
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_CMXDTXNWGTXITLGQ-TAXBASEAMOUNTINRPTGCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMXDTXNWGTXITLGQ-TAXBASEAMOUNTINRPTGCRCY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC172, internal->external for field TAXAMOUNTINRPTGCRCY
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_CMXDTXNWGTXITLGQ-TAXAMOUNTINRPTGCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CMXDTXNWGTXITLGQ-TAXAMOUNTINRPTGCRCY.
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_CMXDTXNWGTXITLGQ_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
TAXCODE TYPE STRING,
TAXITEM TYPE STRING,
TAXBOX TYPE STRING,
TAXDECLNAMOUNTTYPE TYPE STRING,
TAXITEMGROUPINGVERSION TYPE STRING,
TAXBOXSTRUCTURETYPE TYPE STRING,
WITHHOLDINGTAXTYPE TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
REPORTINGDATE TYPE STRING,
TAXBOXSTRUCVALIDITYSTARTDATE TYPE STRING,
TAXBOXSTRUCVALIDITYENDDATE TYPE STRING,
CREDITOR TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
OFFICIALWHLDGTAXCODE TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
FOLLOWONDOCUMENTTYPE TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
TAXRATE TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,
SUPPLIERITEMTAXAMOUNT TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
GLACCOUNT TYPE STRING,
COUNTRY TYPE STRING,
NATIONALITYNAME TYPE STRING,
SUPPLIERRECIPIENTTYPE TYPE STRING,
WHLDGTAXAMTINCOCODECRCY TYPE STRING,
BUSINESSPARTNERCOUNTRY TYPE STRING,
BUSINESSTYPE TYPE STRING,
BUSINESSTRANSACTIONTYPENAME TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
TAXINVOICENUMBER TYPE STRING,
TAXNUMBER1 TYPE STRING,
TAXNUMBERRESPONSIBLE TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY TYPE STRING,
TAXAMOUNTINRPTGCRCY TYPE STRING,
WHLDGTAXAMTINREPORTINGCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CMXDTXNWGTXITLGQ_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_CMXDTXNWGTXITLGQ_STR-MANDT sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-COMPANYCODE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-FISCALYEAR sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXCODE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXITEM sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXBOX sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXDECLNAMOUNTTYPE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXITEMGROUPINGVERSION sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXBOXSTRUCTURETYPE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-WITHHOLDINGTAXTYPE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-STATRYRPTGENTITY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-STATRYRPTCATEGORY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-STATRYRPTRUNID sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-REPORTINGDATE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXBOXSTRUCVALIDITYSTARTDATE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXBOXSTRUCVALIDITYENDDATE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-CREDITOR sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-OFFICIALWHLDGTAXCODE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-DOCUMENTDATE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-POSTINGDATE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-FOLLOWONDOCUMENTTYPE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-DOCUMENTREFERENCEID sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXRATE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-SUPPLIERITEMTAXAMOUNT sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-COMPANYCODECURRENCY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-DOCUMENTCURRENCY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-GLACCOUNT sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-COUNTRY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-NATIONALITYNAME sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-SUPPLIERRECIPIENTTYPE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-WHLDGTAXAMTINCOCODECRCY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-BUSINESSPARTNERCOUNTRY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-BUSINESSTYPE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-BUSINESSTRANSACTIONTYPENAME sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-BUSINESSPARTNERNAME sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXINVOICENUMBER sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXNUMBER1 sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXNUMBERRESPONSIBLE sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-REPORTINGCURRENCY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXBASEAMOUNTINRPTGCRCY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-TAXAMOUNTINRPTGCRCY sy-vline 
WA_CMXDTXNWGTXITLGQ_STR-WHLDGTAXAMTINREPORTINGCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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