ABAP Select data from SAP table CATTAXRETURNBOXQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CATTAXRETURNBOXQ
*  INTO TABLE @DATA(IT_CATTAXRETURNBOXQ2).
*--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_CATTAXRETURNBOXQ INDEX 1 INTO DATA(WA_CATTAXRETURNBOXQ2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CATTAXRETURNBOXQ-TRANSACTIONTYPEDETERMINATION, sy-vline,
  WA_CATTAXRETURNBOXQ-DEBITCREDITCODE, sy-vline,
  WA_CATTAXRETURNBOXQ-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_CATTAXRETURNBOXQ-SUPPLIERACCOUNTGROUP, sy-vline,
  WA_CATTAXRETURNBOXQ-TAXBOX, sy-vline,
  WA_CATTAXRETURNBOXQ-TAXDECLNAMOUNTTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CATTAXRETURNBOXQ 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_CATTAXRETURNBOXQ 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_CATTAXRETURNBOXQ INTO WA_CATTAXRETURNBOXQ.


*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_CATTAXRETURNBOXQ-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATTAXRETURNBOXQ-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

*Conversion exit AC172, internal->external for field TAXAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC172_OUTPUT'
  EXPORTING
    input =                      WA_CATTAXRETURNBOXQ-TAXAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CATTAXRETURNBOXQ-TAXAMOUNT.
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_CATTAXRETURNBOXQ_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
TAXITEM TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
DEBITCREDITCODE TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
SUPPLIERACCOUNTGROUP TYPE STRING,
TAXBOX TYPE STRING,
TAXDECLNAMOUNTTYPE TYPE STRING,
TAXBOXSTRUCVALIDITYSTARTDATE TYPE STRING,
UNIFIEDTAXBOXSTRUCTURETYPE TYPE STRING,
TAXGROUP TYPE STRING,
TAXITEMGRPGDEBITCREDITCODE TYPE STRING,
TAXITEMGRPGACCTGDOCUMENTTYPE TYPE STRING,
TAXITEMGRPGSUPPLIERACCTGROUP TYPE STRING,
TAXITEMGRPGSPECIALGLCODE TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
TAXCODE TYPE STRING,
COUNTRY TYPE STRING,
TAXITEMGROUPINGVERSION TYPE STRING,
TAXBOXSTRUCTURETYPE TYPE STRING,
TAXBOXSTRUCVALIDITYENDDATE TYPE STRING,
TAXCALCULATIONPROCEDURE TYPE STRING,
TAXRATE TYPE STRING,
TAXRATEVALIDITYSTARTDATE TYPE STRING,
GLACCOUNT TYPE STRING,
TAXITEMGROUP TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
REPORTINGDATE TYPE STRING,
FISCALPERIOD TYPE STRING,
COMPANYCODECOUNTRY TYPE STRING,
REPORTINGCOUNTRY TYPE STRING,
TAXRETURNCOUNTRY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
AMOUNTINREPORTINGCURRENCY TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY TYPE STRING,
TAXAMOUNTINRPTGCRCY TYPE STRING,
NONDEDUCTIBLEINPUTTAXAMOUNT TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,
TAXBASEAMOUNTINTRANSCRCY TYPE STRING,
TAXAMOUNT TYPE STRING,
TAXTYPE TYPE STRING,
TARGETTAXCODE TYPE STRING,
CARECONCILIATIONKEY TYPE STRING,
TAXTYPENAME TYPE STRING,
TAXISNOTDEDUCTIBLE TYPE STRING,
TAXBOXSTRUCTURE TYPE STRING,
TAXBOXSTRUCTURENAME TYPE STRING,
TAXBOXNAME TYPE STRING,
TAXBOXCONDITION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CATTAXRETURNBOXQ_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_CATTAXRETURNBOXQ_STR-MANDT sy-vline 
WA_CATTAXRETURNBOXQ_STR-COMPANYCODE sy-vline 
WA_CATTAXRETURNBOXQ_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CATTAXRETURNBOXQ_STR-FISCALYEAR sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXITEM sy-vline 
WA_CATTAXRETURNBOXQ_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_CATTAXRETURNBOXQ_STR-DEBITCREDITCODE sy-vline 
WA_CATTAXRETURNBOXQ_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_CATTAXRETURNBOXQ_STR-SUPPLIERACCOUNTGROUP sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXBOX sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXDECLNAMOUNTTYPE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXBOXSTRUCVALIDITYSTARTDATE sy-vline 
WA_CATTAXRETURNBOXQ_STR-UNIFIEDTAXBOXSTRUCTURETYPE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXGROUP sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXITEMGRPGDEBITCREDITCODE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXITEMGRPGACCTGDOCUMENTTYPE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXITEMGRPGSUPPLIERACCTGROUP sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXITEMGRPGSPECIALGLCODE sy-vline 
WA_CATTAXRETURNBOXQ_STR-STATRYRPTGENTITY sy-vline 
WA_CATTAXRETURNBOXQ_STR-STATRYRPTCATEGORY sy-vline 
WA_CATTAXRETURNBOXQ_STR-STATRYRPTRUNID sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXCODE sy-vline 
WA_CATTAXRETURNBOXQ_STR-COUNTRY sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXITEMGROUPINGVERSION sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXBOXSTRUCTURETYPE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXBOXSTRUCVALIDITYENDDATE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXCALCULATIONPROCEDURE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXRATE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXRATEVALIDITYSTARTDATE sy-vline 
WA_CATTAXRETURNBOXQ_STR-GLACCOUNT sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXITEMGROUP sy-vline 
WA_CATTAXRETURNBOXQ_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_CATTAXRETURNBOXQ_STR-POSTINGDATE sy-vline 
WA_CATTAXRETURNBOXQ_STR-DOCUMENTDATE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXREPORTINGDATE sy-vline 
WA_CATTAXRETURNBOXQ_STR-REPORTINGDATE sy-vline 
WA_CATTAXRETURNBOXQ_STR-FISCALPERIOD sy-vline 
WA_CATTAXRETURNBOXQ_STR-COMPANYCODECOUNTRY sy-vline 
WA_CATTAXRETURNBOXQ_STR-REPORTINGCOUNTRY sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXRETURNCOUNTRY sy-vline 
WA_CATTAXRETURNBOXQ_STR-COMPANYCODECURRENCY sy-vline 
WA_CATTAXRETURNBOXQ_STR-DOCUMENTCURRENCY sy-vline 
WA_CATTAXRETURNBOXQ_STR-REPORTINGCURRENCY sy-vline 
WA_CATTAXRETURNBOXQ_STR-AMOUNTINREPORTINGCURRENCY sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXBASEAMOUNTINRPTGCRCY sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXAMOUNTINRPTGCRCY sy-vline 
WA_CATTAXRETURNBOXQ_STR-NONDEDUCTIBLEINPUTTAXAMOUNT sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXBASEAMOUNTINTRANSCRCY sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXAMOUNT sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXTYPE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TARGETTAXCODE sy-vline 
WA_CATTAXRETURNBOXQ_STR-CARECONCILIATIONKEY sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXTYPENAME sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXISNOTDEDUCTIBLE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXBOXSTRUCTURE sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXBOXSTRUCTURENAME sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXBOXNAME sy-vline 
WA_CATTAXRETURNBOXQ_STR-TAXBOXCONDITION sy-vline      INTO ld_text SEPARATED BY SPACE.

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