ABAP Select data from SAP table CCASRQTAXITEMQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCASRQTAXITEMQ
*  INTO TABLE @DATA(IT_CCASRQTAXITEMQ2).
*--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_CCASRQTAXITEMQ INDEX 1 INTO DATA(WA_CCASRQTAXITEMQ2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCASRQTAXITEMQ-STATRYRPTCATEGORY, sy-vline,
  WA_CCASRQTAXITEMQ-STATRYRPTRUNID, sy-vline,
  WA_CCASRQTAXITEMQ-TAXCODE, sy-vline,
  WA_CCASRQTAXITEMQ-TAXITEM, sy-vline,
  WA_CCASRQTAXITEMQ-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_CCASRQTAXITEMQ-GLACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCASRQTAXITEMQ 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_CCASRQTAXITEMQ 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_CCASRQTAXITEMQ INTO WA_CCASRQTAXITEMQ.


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

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

*Conversion exit ALPHA, internal->external for field GLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCASRQTAXITEMQ-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCASRQTAXITEMQ-GLACCOUNT.
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_CCASRQTAXITEMQ_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
TAXCODE TYPE STRING,
TAXITEM TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
GLACCOUNT TYPE STRING,
TAXJURISDICTION TYPE STRING,
GLACCOUNTNAME TYPE STRING,
TAXJURISDICTIONNAME TYPE STRING,
POSTINGDATE TYPE STRING,
REPORTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
FISCALPERIOD TYPE STRING,
TAXTYPE TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
ADDITIONALCURRENCY1 TYPE STRING,
ADDITIONALCURRENCY2 TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,
TAXBASEAMOUNTINTRANSCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCASRQTAXITEMQ_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_CCASRQTAXITEMQ_STR-MANDT sy-vline 
WA_CCASRQTAXITEMQ_STR-COMPANYCODE sy-vline 
WA_CCASRQTAXITEMQ_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CCASRQTAXITEMQ_STR-FISCALYEAR sy-vline 
WA_CCASRQTAXITEMQ_STR-STATRYRPTGENTITY sy-vline 
WA_CCASRQTAXITEMQ_STR-STATRYRPTCATEGORY sy-vline 
WA_CCASRQTAXITEMQ_STR-STATRYRPTRUNID sy-vline 
WA_CCASRQTAXITEMQ_STR-TAXCODE sy-vline 
WA_CCASRQTAXITEMQ_STR-TAXITEM sy-vline 
WA_CCASRQTAXITEMQ_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_CCASRQTAXITEMQ_STR-GLACCOUNT sy-vline 
WA_CCASRQTAXITEMQ_STR-TAXJURISDICTION sy-vline 
WA_CCASRQTAXITEMQ_STR-GLACCOUNTNAME sy-vline 
WA_CCASRQTAXITEMQ_STR-TAXJURISDICTIONNAME sy-vline 
WA_CCASRQTAXITEMQ_STR-POSTINGDATE sy-vline 
WA_CCASRQTAXITEMQ_STR-REPORTINGDATE sy-vline 
WA_CCASRQTAXITEMQ_STR-DOCUMENTDATE sy-vline 
WA_CCASRQTAXITEMQ_STR-FISCALPERIOD sy-vline 
WA_CCASRQTAXITEMQ_STR-TAXTYPE sy-vline 
WA_CCASRQTAXITEMQ_STR-COMPANYCODECURRENCY sy-vline 
WA_CCASRQTAXITEMQ_STR-ADDITIONALCURRENCY1 sy-vline 
WA_CCASRQTAXITEMQ_STR-ADDITIONALCURRENCY2 sy-vline 
WA_CCASRQTAXITEMQ_STR-DOCUMENTCURRENCY sy-vline 
WA_CCASRQTAXITEMQ_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_CCASRQTAXITEMQ_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_CCASRQTAXITEMQ_STR-TAXBASEAMOUNTINTRANSCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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