ABAP Select data from SAP table CSKSTRPCSQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CSKSTRPCSQ
*  INTO TABLE @DATA(IT_CSKSTRPCSQ2).
*--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_CSKSTRPCSQ INDEX 1 INTO DATA(WA_CSKSTRPCSQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CSKSTRPCSQ>-MANDT = 1.
<CSKSTRPCSQ>-TAXGROUP = 1.
<CSKSTRPCSQ>-TAXREPORTINGDATE = 1.
<CSKSTRPCSQ>-INVOICENUMBER = 1.
<CSKSTRPCSQ>-VATREGISTRATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CSKSTRPCSQ-TAXRATE, sy-vline,
  WA_CSKSTRPCSQ-TAXCODE, sy-vline,
  WA_CSKSTRPCSQ-CONSUMPTIONTAXCTRLCODE, sy-vline,
  WA_CSKSTRPCSQ-SK_CTRLSTMNTDOCISBADDEBTRELIEF, sy-vline,
  WA_CSKSTRPCSQ-COMPANYCODE, sy-vline,
  WA_CSKSTRPCSQ-ACCOUNTINGDOCUMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CSKSTRPCSQ 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_CSKSTRPCSQ 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_CSKSTRPCSQ INTO WA_CSKSTRPCSQ.


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

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

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CSKSTRPCSQ-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSKSTRPCSQ-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AU132, internal->external for field DEDUCTIBLEINPUTTAXAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_CSKSTRPCSQ-DEDUCTIBLEINPUTTAXAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CSKSTRPCSQ-DEDUCTIBLEINPUTTAXAMOUNT.
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_CSKSTRPCSQ_STR, 
MANDT TYPE STRING,
TAXGROUP TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
INVOICENUMBER TYPE STRING,
VATREGISTRATION TYPE STRING,
TAXRATE TYPE STRING,
TAXCODE TYPE STRING,
CONSUMPTIONTAXCTRLCODE TYPE STRING,
SK_CTRLSTMNTDOCISBADDEBTRELIEF TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
TAXITEM TYPE STRING,
BILLINGDOCUMENTITEM TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
TRANSACTIONTAXTYPE TYPE STRING,
ORIGINALINVOICENUMBER TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
BASEUNIT TYPE STRING,
DOWNPAYMENTSTATUS TYPE STRING,
ISREVERSAL TYPE STRING,
ISREVERSED TYPE STRING,
TAXBASEAMOUNTINRPTGCRCY TYPE STRING,
TAXAMOUNTINRPTGCRCY TYPE STRING,
DEDUCTIBLEINPUTTAXAMOUNT TYPE STRING,
BILLINGQUANTITYINBASEUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CSKSTRPCSQ_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_CSKSTRPCSQ_STR-MANDT sy-vline 
WA_CSKSTRPCSQ_STR-TAXGROUP sy-vline 
WA_CSKSTRPCSQ_STR-TAXREPORTINGDATE sy-vline 
WA_CSKSTRPCSQ_STR-INVOICENUMBER sy-vline 
WA_CSKSTRPCSQ_STR-VATREGISTRATION sy-vline 
WA_CSKSTRPCSQ_STR-TAXRATE sy-vline 
WA_CSKSTRPCSQ_STR-TAXCODE sy-vline 
WA_CSKSTRPCSQ_STR-CONSUMPTIONTAXCTRLCODE sy-vline 
WA_CSKSTRPCSQ_STR-SK_CTRLSTMNTDOCISBADDEBTRELIEF sy-vline 
WA_CSKSTRPCSQ_STR-COMPANYCODE sy-vline 
WA_CSKSTRPCSQ_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CSKSTRPCSQ_STR-FISCALYEAR sy-vline 
WA_CSKSTRPCSQ_STR-TAXITEM sy-vline 
WA_CSKSTRPCSQ_STR-BILLINGDOCUMENTITEM sy-vline 
WA_CSKSTRPCSQ_STR-STATRYRPTGENTITY sy-vline 
WA_CSKSTRPCSQ_STR-STATRYRPTCATEGORY sy-vline 
WA_CSKSTRPCSQ_STR-STATRYRPTRUNID sy-vline 
WA_CSKSTRPCSQ_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_CSKSTRPCSQ_STR-TRANSACTIONTAXTYPE sy-vline 
WA_CSKSTRPCSQ_STR-ORIGINALINVOICENUMBER sy-vline 
WA_CSKSTRPCSQ_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_CSKSTRPCSQ_STR-REPORTINGCURRENCY sy-vline 
WA_CSKSTRPCSQ_STR-BASEUNIT sy-vline 
WA_CSKSTRPCSQ_STR-DOWNPAYMENTSTATUS sy-vline 
WA_CSKSTRPCSQ_STR-ISREVERSAL sy-vline 
WA_CSKSTRPCSQ_STR-ISREVERSED sy-vline 
WA_CSKSTRPCSQ_STR-TAXBASEAMOUNTINRPTGCRCY sy-vline 
WA_CSKSTRPCSQ_STR-TAXAMOUNTINRPTGCRCY sy-vline 
WA_CSKSTRPCSQ_STR-DEDUCTIBLEINPUTTAXAMOUNT sy-vline 
WA_CSKSTRPCSQ_STR-BILLINGQUANTITYINBASEUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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