ABAP Select data from SAP table CPTSAFTWDOCHQ into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPTSAFTWDOCHQ
*  INTO TABLE @DATA(IT_CPTSAFTWDOCHQ2).
*--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_CPTSAFTWDOCHQ INDEX 1 INTO DATA(WA_CPTSAFTWDOCHQ2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPTSAFTWDOCHQ>-MANDT = 1.
<CPTSAFTWDOCHQ>-PORTUGUESEINVOICENUMBER = 1.
<CPTSAFTWDOCHQ>-COMPANYCODE = 1.
<CPTSAFTWDOCHQ>-PORTUGUESEINVOICEDATE = 1.
<CPTSAFTWDOCHQ>-DOCUMENTTRANSACTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPTSAFTWDOCHQ-DOCUMENTBILLINGSTATUS, sy-vline,
  WA_CPTSAFTWDOCHQ-LASTCHANGEDATETIMETEXT, sy-vline,
  WA_CPTSAFTWDOCHQ-REVERSALREASONNAME, sy-vline,
  WA_CPTSAFTWDOCHQ-LASTCHANGEDBYUSER, sy-vline,
  WA_CPTSAFTWDOCHQ-SOURCEBILLINGDOCUMENTTYPE, sy-vline,
  WA_CPTSAFTWDOCHQ-PORTUGUESEDIGITALSIGNATURE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPTSAFTWDOCHQ 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_CPTSAFTWDOCHQ 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_CPTSAFTWDOCHQ INTO WA_CPTSAFTWDOCHQ.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_CPTSAFTWDOCHQ_STR, 
MANDT TYPE STRING,
PORTUGUESEINVOICENUMBER TYPE STRING,
COMPANYCODE TYPE STRING,
PORTUGUESEINVOICEDATE TYPE STRING,
DOCUMENTTRANSACTION TYPE STRING,
DOCUMENTBILLINGSTATUS TYPE STRING,
LASTCHANGEDATETIMETEXT TYPE STRING,
REVERSALREASONNAME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
SOURCEBILLINGDOCUMENTTYPE TYPE STRING,
PORTUGUESEDIGITALSIGNATURE TYPE STRING,
PORTUGUESEDGTLSGNTRKEYVERSION TYPE STRING,
FISCALPERIOD TYPE STRING,
PTDGTLSGNTRSYSTEMDATETIMETEXT TYPE STRING,
WORKTYPE TYPE STRING,
PORTUGUESECUSTOMERWITHVERSION TYPE STRING,
TOTALTAXAMOUNT TYPE STRING,
TOTALNETAMOUNT TYPE STRING,
TOTALGROSSAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
INVOICEAMOUNTINFRGNCURRENCY TYPE STRING,
EXCHANGERATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPTSAFTWDOCHQ_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_CPTSAFTWDOCHQ_STR-MANDT sy-vline 
WA_CPTSAFTWDOCHQ_STR-PORTUGUESEINVOICENUMBER sy-vline 
WA_CPTSAFTWDOCHQ_STR-COMPANYCODE sy-vline 
WA_CPTSAFTWDOCHQ_STR-PORTUGUESEINVOICEDATE sy-vline 
WA_CPTSAFTWDOCHQ_STR-DOCUMENTTRANSACTION sy-vline 
WA_CPTSAFTWDOCHQ_STR-DOCUMENTBILLINGSTATUS sy-vline 
WA_CPTSAFTWDOCHQ_STR-LASTCHANGEDATETIMETEXT sy-vline 
WA_CPTSAFTWDOCHQ_STR-REVERSALREASONNAME sy-vline 
WA_CPTSAFTWDOCHQ_STR-LASTCHANGEDBYUSER sy-vline 
WA_CPTSAFTWDOCHQ_STR-SOURCEBILLINGDOCUMENTTYPE sy-vline 
WA_CPTSAFTWDOCHQ_STR-PORTUGUESEDIGITALSIGNATURE sy-vline 
WA_CPTSAFTWDOCHQ_STR-PORTUGUESEDGTLSGNTRKEYVERSION sy-vline 
WA_CPTSAFTWDOCHQ_STR-FISCALPERIOD sy-vline 
WA_CPTSAFTWDOCHQ_STR-PTDGTLSGNTRSYSTEMDATETIMETEXT sy-vline 
WA_CPTSAFTWDOCHQ_STR-WORKTYPE sy-vline 
WA_CPTSAFTWDOCHQ_STR-PORTUGUESECUSTOMERWITHVERSION sy-vline 
WA_CPTSAFTWDOCHQ_STR-TOTALTAXAMOUNT sy-vline 
WA_CPTSAFTWDOCHQ_STR-TOTALNETAMOUNT sy-vline 
WA_CPTSAFTWDOCHQ_STR-TOTALGROSSAMOUNT sy-vline 
WA_CPTSAFTWDOCHQ_STR-TRANSACTIONCURRENCY sy-vline 
WA_CPTSAFTWDOCHQ_STR-COMPANYCODECURRENCY sy-vline 
WA_CPTSAFTWDOCHQ_STR-INVOICEAMOUNTINFRGNCURRENCY sy-vline 
WA_CPTSAFTWDOCHQ_STR-EXCHANGERATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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