ABAP Select data from SAP table CSTRPTAXDOCACTVT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSTRPTAXDOCACTVT
*  INTO TABLE @DATA(IT_CSTRPTAXDOCACTVT2).
*--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_CSTRPTAXDOCACTVT INDEX 1 INTO DATA(WA_CSTRPTAXDOCACTVT2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSTRPTAXDOCACTVT-TAXITEM, sy-vline,
  WA_CSTRPTAXDOCACTVT-POSTINGDATE, sy-vline,
  WA_CSTRPTAXDOCACTVT-DOCUMENTDATE, sy-vline,
  WA_CSTRPTAXDOCACTVT-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_CSTRPTAXDOCACTVT-TAXREPORTINGDATE, sy-vline,
  WA_CSTRPTAXDOCACTVT-REPORTINGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSTRPTAXDOCACTVT 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_CSTRPTAXDOCACTVT 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_CSTRPTAXDOCACTVT INTO WA_CSTRPTAXDOCACTVT.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field SENDERLOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSTRPTAXDOCACTVT-SENDERLOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSTRPTAXDOCACTVT-SENDERLOGICALSYSTEM.
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_CSTRPTAXDOCACTVT_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
CHANGEDONDATETIME TYPE STRING,
TAXITEM TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
REPORTINGDATE TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
GLACCOUNT TYPE STRING,
TAXJURISDICTION TYPE STRING,
TAXCODE TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY TYPE STRING,
TAXAMOUNTINRPTGCRCY TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
TAXISNOTDEDUCTIBLE TYPE STRING,
BUSINESSPARTNER TYPE STRING,
SENDERCOMPANYCODE TYPE STRING,
SENDERACCOUNTINGDOCUMENT TYPE STRING,
SENDERFISCALYEAR TYPE STRING,
SENDERLOGICALSYSTEM TYPE STRING,
ORIGINALTAXREPORTINGDATE TYPE STRING,
OLDTAXREPORTINGDATE TYPE STRING,
NEWTAXREPORTINGDATE TYPE STRING,
TAXITEMISINCLUDED TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
TAXRPTGDATEISACTIVE TYPE STRING,
STATRYRPTRUNSTATUS TYPE STRING,
REPORTINGCOUNTRY TYPE STRING,
TOTALNUMBEROFCOMMENTS TYPE STRING,
ORIGINALREFERENCEDOCUMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSTRPTAXDOCACTVT_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_CSTRPTAXDOCACTVT_STR-MANDT sy-vline 
WA_CSTRPTAXDOCACTVT_STR-COMPANYCODE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CSTRPTAXDOCACTVT_STR-FISCALYEAR sy-vline 
WA_CSTRPTAXDOCACTVT_STR-CHANGEDONDATETIME sy-vline 
WA_CSTRPTAXDOCACTVT_STR-TAXITEM sy-vline 
WA_CSTRPTAXDOCACTVT_STR-POSTINGDATE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-DOCUMENTDATE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-TAXREPORTINGDATE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-REPORTINGDATE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_CSTRPTAXDOCACTVT_STR-GLACCOUNT sy-vline 
WA_CSTRPTAXDOCACTVT_STR-TAXJURISDICTION sy-vline 
WA_CSTRPTAXDOCACTVT_STR-TAXCODE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-TAXBASEAMOUNTINRPTGCRCY sy-vline 
WA_CSTRPTAXDOCACTVT_STR-TAXAMOUNTINRPTGCRCY sy-vline 
WA_CSTRPTAXDOCACTVT_STR-REPORTINGCURRENCY sy-vline 
WA_CSTRPTAXDOCACTVT_STR-TAXISNOTDEDUCTIBLE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-BUSINESSPARTNER sy-vline 
WA_CSTRPTAXDOCACTVT_STR-SENDERCOMPANYCODE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-SENDERACCOUNTINGDOCUMENT sy-vline 
WA_CSTRPTAXDOCACTVT_STR-SENDERFISCALYEAR sy-vline 
WA_CSTRPTAXDOCACTVT_STR-SENDERLOGICALSYSTEM sy-vline 
WA_CSTRPTAXDOCACTVT_STR-ORIGINALTAXREPORTINGDATE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-OLDTAXREPORTINGDATE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-NEWTAXREPORTINGDATE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-TAXITEMISINCLUDED sy-vline 
WA_CSTRPTAXDOCACTVT_STR-LASTCHANGEDBYUSER sy-vline 
WA_CSTRPTAXDOCACTVT_STR-TAXRPTGDATEISACTIVE sy-vline 
WA_CSTRPTAXDOCACTVT_STR-STATRYRPTRUNSTATUS sy-vline 
WA_CSTRPTAXDOCACTVT_STR-REPORTINGCOUNTRY sy-vline 
WA_CSTRPTAXDOCACTVT_STR-TOTALNUMBEROFCOMMENTS sy-vline 
WA_CSTRPTAXDOCACTVT_STR-ORIGINALREFERENCEDOCUMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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