ABAP Select data from SAP table CSTRPGSTXITMQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSTRPGSTXITMQ
*  INTO TABLE @DATA(IT_CSTRPGSTXITMQ2).
*--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_CSTRPGSTXITMQ INDEX 1 INTO DATA(WA_CSTRPGSTXITMQ2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSTRPGSTXITMQ-STATRYRPTCATEGORY, sy-vline,
  WA_CSTRPGSTXITMQ-STATRYRPTRUNID, sy-vline,
  WA_CSTRPGSTXITMQ-TAXCODE, sy-vline,
  WA_CSTRPGSTXITMQ-TAXCALCULATIONPROCEDURE, sy-vline,
  WA_CSTRPGSTXITMQ-TAXRATE, sy-vline,
  WA_CSTRPGSTXITMQ-DOCUMENTREFERENCEID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSTRPGSTXITMQ 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_CSTRPGSTXITMQ 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_CSTRPGSTXITMQ INTO WA_CSTRPGSTXITMQ.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CSTRPGSTXITMQ-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSTRPGSTXITMQ-BUSINESSPARTNER.
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_CSTRPGSTXITMQ_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,
TAXCALCULATIONPROCEDURE TYPE STRING,
TAXRATE TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
POSTINGDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
REPORTINGDATE TYPE STRING,
FISCALPERIOD TYPE STRING,
ISREVERSAL TYPE STRING,
ISREVERSED TYPE STRING,
IN_GSTPLACEOFSUPPLY TYPE STRING,
IN_GSTLEGALSTATECODE TYPE STRING,
IN_HSNORSACCODE TYPE STRING,
COUNTRY TYPE STRING,
CUSTOMERTAXCLASSIFICATION TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERNAME TYPE STRING,
INVOICEREFERENCE TYPE STRING,
INVOICEREFERENCEFISCALYEAR TYPE STRING,
INVOICEITEMREFERENCE TYPE STRING,
FOLLOWONDOCUMENTTYPE TYPE STRING,
TAXITEMGROUP TYPE STRING,
IN_GSTSECTION TYPE STRING,
IN_GSTDOCUMENTTYPE TYPE STRING,
DEBITCREDITCODE TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
BUSINESSPARTNER TYPE STRING,
TAXNUMBER3 TYPE STRING,
DOCUMENTDATE TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
BUSINESSPLACE TYPE STRING,
IN_GSTSECTION7 TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY TYPE STRING,
IN_CENTRALGSTAMOUNT TYPE STRING,
IN_STATEGSTAMOUNT TYPE STRING,
IN_CESSGSTAMTINCOCODECRCY TYPE STRING,
IN_INTEGRATEDGSTAMOUNT TYPE STRING,
IN_TOTALGSTAMTINCOCODECRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSTRPGSTXITMQ_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_CSTRPGSTXITMQ_STR-MANDT sy-vline 
WA_CSTRPGSTXITMQ_STR-COMPANYCODE sy-vline 
WA_CSTRPGSTXITMQ_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CSTRPGSTXITMQ_STR-FISCALYEAR sy-vline 
WA_CSTRPGSTXITMQ_STR-STATRYRPTGENTITY sy-vline 
WA_CSTRPGSTXITMQ_STR-STATRYRPTCATEGORY sy-vline 
WA_CSTRPGSTXITMQ_STR-STATRYRPTRUNID sy-vline 
WA_CSTRPGSTXITMQ_STR-TAXCODE sy-vline 
WA_CSTRPGSTXITMQ_STR-TAXCALCULATIONPROCEDURE sy-vline 
WA_CSTRPGSTXITMQ_STR-TAXRATE sy-vline 
WA_CSTRPGSTXITMQ_STR-DOCUMENTREFERENCEID sy-vline 
WA_CSTRPGSTXITMQ_STR-POSTINGDATE sy-vline 
WA_CSTRPGSTXITMQ_STR-TAXREPORTINGDATE sy-vline 
WA_CSTRPGSTXITMQ_STR-REPORTINGDATE sy-vline 
WA_CSTRPGSTXITMQ_STR-FISCALPERIOD sy-vline 
WA_CSTRPGSTXITMQ_STR-ISREVERSAL sy-vline 
WA_CSTRPGSTXITMQ_STR-ISREVERSED sy-vline 
WA_CSTRPGSTXITMQ_STR-IN_GSTPLACEOFSUPPLY sy-vline 
WA_CSTRPGSTXITMQ_STR-IN_GSTLEGALSTATECODE sy-vline 
WA_CSTRPGSTXITMQ_STR-IN_HSNORSACCODE sy-vline 
WA_CSTRPGSTXITMQ_STR-COUNTRY sy-vline 
WA_CSTRPGSTXITMQ_STR-CUSTOMERTAXCLASSIFICATION sy-vline 
WA_CSTRPGSTXITMQ_STR-CUSTOMER sy-vline 
WA_CSTRPGSTXITMQ_STR-SUPPLIER sy-vline 
WA_CSTRPGSTXITMQ_STR-SUPPLIERNAME sy-vline 
WA_CSTRPGSTXITMQ_STR-INVOICEREFERENCE sy-vline 
WA_CSTRPGSTXITMQ_STR-INVOICEREFERENCEFISCALYEAR sy-vline 
WA_CSTRPGSTXITMQ_STR-INVOICEITEMREFERENCE sy-vline 
WA_CSTRPGSTXITMQ_STR-FOLLOWONDOCUMENTTYPE sy-vline 
WA_CSTRPGSTXITMQ_STR-TAXITEMGROUP sy-vline 
WA_CSTRPGSTXITMQ_STR-IN_GSTSECTION sy-vline 
WA_CSTRPGSTXITMQ_STR-IN_GSTDOCUMENTTYPE sy-vline 
WA_CSTRPGSTXITMQ_STR-DEBITCREDITCODE sy-vline 
WA_CSTRPGSTXITMQ_STR-BUSINESSPARTNERNAME sy-vline 
WA_CSTRPGSTXITMQ_STR-BUSINESSPARTNER sy-vline 
WA_CSTRPGSTXITMQ_STR-TAXNUMBER3 sy-vline 
WA_CSTRPGSTXITMQ_STR-DOCUMENTDATE sy-vline 
WA_CSTRPGSTXITMQ_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_CSTRPGSTXITMQ_STR-COMPANYCODECURRENCY sy-vline 
WA_CSTRPGSTXITMQ_STR-BUSINESSPLACE sy-vline 
WA_CSTRPGSTXITMQ_STR-IN_GSTSECTION7 sy-vline 
WA_CSTRPGSTXITMQ_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_CSTRPGSTXITMQ_STR-TAXBASEAMOUNTINRPTGCRCY sy-vline 
WA_CSTRPGSTXITMQ_STR-IN_CENTRALGSTAMOUNT sy-vline 
WA_CSTRPGSTXITMQ_STR-IN_STATEGSTAMOUNT sy-vline 
WA_CSTRPGSTXITMQ_STR-IN_CESSGSTAMTINCOCODECRCY sy-vline 
WA_CSTRPGSTXITMQ_STR-IN_INTEGRATEDGSTAMOUNT sy-vline 
WA_CSTRPGSTXITMQ_STR-IN_TOTALGSTAMTINCOCODECRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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