ABAP Select data from SAP table IPTSAFTILHDR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPTSAFTILHDR
*  INTO TABLE @DATA(IT_IPTSAFTILHDR2).
*--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_IPTSAFTILHDR INDEX 1 INTO DATA(WA_IPTSAFTILHDR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPTSAFTILHDR>-MANDT = 1.
<IPTSAFTILHDR>-PORTUGUESEINVOICENUMBER = 1.
<IPTSAFTILHDR>-PORTUGUESEINVOICEDATE = 1.
<IPTSAFTILHDR>-BILLINGDOCUMENTDATE = 1.
<IPTSAFTILHDR>-FISCALYEAR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPTSAFTILHDR-SDDOCUMENTCATEGORY, sy-vline,
  WA_IPTSAFTILHDR-DOCUMENTTYPE, sy-vline,
  WA_IPTSAFTILHDR-COMPANYCODE, sy-vline,
  WA_IPTSAFTILHDR-BILLINGDOCUMENTISCANCELLED, sy-vline,
  WA_IPTSAFTILHDR-DOCUMENTBILLINGSTATUS, sy-vline,
  WA_IPTSAFTILHDR-REVERSALREASON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPTSAFTILHDR 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_IPTSAFTILHDR 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_IPTSAFTILHDR INTO WA_IPTSAFTILHDR.


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

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

*Conversion exit ALPHA, internal->external for field PAYERPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IPTSAFTILHDR-PAYERPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPTSAFTILHDR-PAYERPARTY.
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_IPTSAFTILHDR_STR, 
MANDT TYPE STRING,
PORTUGUESEINVOICENUMBER TYPE STRING,
PORTUGUESEINVOICEDATE TYPE STRING,
BILLINGDOCUMENTDATE TYPE STRING,
FISCALYEAR TYPE STRING,
SDDOCUMENTCATEGORY TYPE STRING,
DOCUMENTTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
BILLINGDOCUMENTISCANCELLED TYPE STRING,
DOCUMENTBILLINGSTATUS TYPE STRING,
REVERSALREASON TYPE STRING,
FISCALPERIOD TYPE STRING,
SOURCEBILLINGDOCUMENTTYPE TYPE STRING,
PORTUGUESEDIGITALSIGNATURE TYPE STRING,
PORTUGUESEDGTLSGNTRKEYVERSION TYPE STRING,
PTDGTLSGNTRSYSTEMDATETIMETEXT TYPE STRING,
CREATEDBYUSER TYPE STRING,
EXCHANGERATEDATE TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
TOTALTAXAMOUNT TYPE STRING,
TOTALNETAMOUNT TYPE STRING,
TOTALGROSSAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
INVOICEAMOUNTINFRGNCURRENCY TYPE STRING,
EXCHANGERATE TYPE STRING,
WORKTYPE TYPE STRING,
SALESDOCUMENTISWORKINGDOCUMENT TYPE STRING,
CUSTOMERPAYMENTTERMS TYPE STRING,
BILLINGDOCUMENT TYPE STRING,
PAYERPARTY TYPE STRING,
VATREGISTRATIONCOUNTRY TYPE STRING,
DOCUMENTTRANSACTION TYPE STRING,
BILLINGDOCUMENTCATEGORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPTSAFTILHDR_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_IPTSAFTILHDR_STR-MANDT sy-vline 
WA_IPTSAFTILHDR_STR-PORTUGUESEINVOICENUMBER sy-vline 
WA_IPTSAFTILHDR_STR-PORTUGUESEINVOICEDATE sy-vline 
WA_IPTSAFTILHDR_STR-BILLINGDOCUMENTDATE sy-vline 
WA_IPTSAFTILHDR_STR-FISCALYEAR sy-vline 
WA_IPTSAFTILHDR_STR-SDDOCUMENTCATEGORY sy-vline 
WA_IPTSAFTILHDR_STR-DOCUMENTTYPE sy-vline 
WA_IPTSAFTILHDR_STR-COMPANYCODE sy-vline 
WA_IPTSAFTILHDR_STR-BILLINGDOCUMENTISCANCELLED sy-vline 
WA_IPTSAFTILHDR_STR-DOCUMENTBILLINGSTATUS sy-vline 
WA_IPTSAFTILHDR_STR-REVERSALREASON sy-vline 
WA_IPTSAFTILHDR_STR-FISCALPERIOD sy-vline 
WA_IPTSAFTILHDR_STR-SOURCEBILLINGDOCUMENTTYPE sy-vline 
WA_IPTSAFTILHDR_STR-PORTUGUESEDIGITALSIGNATURE sy-vline 
WA_IPTSAFTILHDR_STR-PORTUGUESEDGTLSGNTRKEYVERSION sy-vline 
WA_IPTSAFTILHDR_STR-PTDGTLSGNTRSYSTEMDATETIMETEXT sy-vline 
WA_IPTSAFTILHDR_STR-CREATEDBYUSER sy-vline 
WA_IPTSAFTILHDR_STR-EXCHANGERATEDATE sy-vline 
WA_IPTSAFTILHDR_STR-COMPANYCODECURRENCY sy-vline 
WA_IPTSAFTILHDR_STR-TOTALTAXAMOUNT sy-vline 
WA_IPTSAFTILHDR_STR-TOTALNETAMOUNT sy-vline 
WA_IPTSAFTILHDR_STR-TOTALGROSSAMOUNT sy-vline 
WA_IPTSAFTILHDR_STR-TRANSACTIONCURRENCY sy-vline 
WA_IPTSAFTILHDR_STR-INVOICEAMOUNTINFRGNCURRENCY sy-vline 
WA_IPTSAFTILHDR_STR-EXCHANGERATE sy-vline 
WA_IPTSAFTILHDR_STR-WORKTYPE sy-vline 
WA_IPTSAFTILHDR_STR-SALESDOCUMENTISWORKINGDOCUMENT sy-vline 
WA_IPTSAFTILHDR_STR-CUSTOMERPAYMENTTERMS sy-vline 
WA_IPTSAFTILHDR_STR-BILLINGDOCUMENT sy-vline 
WA_IPTSAFTILHDR_STR-PAYERPARTY sy-vline 
WA_IPTSAFTILHDR_STR-VATREGISTRATIONCOUNTRY sy-vline 
WA_IPTSAFTILHDR_STR-DOCUMENTTRANSACTION sy-vline 
WA_IPTSAFTILHDR_STR-BILLINGDOCUMENTCATEGORY sy-vline      INTO ld_text SEPARATED BY SPACE.

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