ABAP Select data from SAP table IPTSTLMTDIGSIG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPTSTLMTDIGSIG
*  INTO TABLE @DATA(IT_IPTSTLMTDIGSIG2).
*--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_IPTSTLMTDIGSIG INDEX 1 INTO DATA(WA_IPTSTLMTDIGSIG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPTSTLMTDIGSIG>-MANDT = 1.
<IPTSTLMTDIGSIG>-REFERENCEDOCUMENTNUMBER = 1.
<IPTSTLMTDIGSIG>-INVOICEDOCUMENTNUMBER = 1.
<IPTSTLMTDIGSIG>-COMPANYCODE = 1.
<IPTSTLMTDIGSIG>-NUMBERRANGEINTERVAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPTSTLMTDIGSIG-SETTLMTDOCTYPE, sy-vline,
  WA_IPTSTLMTDIGSIG-PORTUGUESEDGTLSIGNATURESERIES, sy-vline,
  WA_IPTSTLMTDIGSIG-INVOICEDATE, sy-vline,
  WA_IPTSTLMTDIGSIG-PORTUGUESEDGTLSGNTRSYSTDTETIME, sy-vline,
  WA_IPTSTLMTDIGSIG-SETTLEMENTDOCINVOICENUMBER, sy-vline,
  WA_IPTSTLMTDIGSIG-COMPANYCODECURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPTSTLMTDIGSIG 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_IPTSTLMTDIGSIG 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_IPTSTLMTDIGSIG INTO WA_IPTSTLMTDIGSIG.


*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 INVOICEDOCUMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IPTSTLMTDIGSIG-INVOICEDOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPTSTLMTDIGSIG-INVOICEDOCUMENTNUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AU132, internal->external for field TOTALGROSSAMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_IPTSTLMTDIGSIG-TOTALGROSSAMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPTSTLMTDIGSIG-TOTALGROSSAMOUNT.
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_IPTSTLMTDIGSIG_STR, 
MANDT TYPE STRING,
REFERENCEDOCUMENTNUMBER TYPE STRING,
INVOICEDOCUMENTNUMBER TYPE STRING,
COMPANYCODE TYPE STRING,
NUMBERRANGEINTERVAL TYPE STRING,
SETTLMTDOCTYPE TYPE STRING,
PORTUGUESEDGTLSIGNATURESERIES TYPE STRING,
INVOICEDATE TYPE STRING,
PORTUGUESEDGTLSGNTRSYSTDTETIME TYPE STRING,
SETTLEMENTDOCINVOICENUMBER TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
TOTALGROSSAMOUNT TYPE STRING,
PORTUGUESESGNTRCERTIFICATE TYPE STRING,
PORTUGUESEDGTLSGNTRKEYVERSION TYPE STRING,
CREATEDBYUSER TYPE STRING,
PORTUGUESEDIGITALSIGNATUREDATE TYPE STRING,
PORTUGUESEDIGITALSIGNATURETIME TYPE STRING,
PORTUGUESEDIGITALSIGNATURE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPTSTLMTDIGSIG_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_IPTSTLMTDIGSIG_STR-MANDT sy-vline 
WA_IPTSTLMTDIGSIG_STR-REFERENCEDOCUMENTNUMBER sy-vline 
WA_IPTSTLMTDIGSIG_STR-INVOICEDOCUMENTNUMBER sy-vline 
WA_IPTSTLMTDIGSIG_STR-COMPANYCODE sy-vline 
WA_IPTSTLMTDIGSIG_STR-NUMBERRANGEINTERVAL sy-vline 
WA_IPTSTLMTDIGSIG_STR-SETTLMTDOCTYPE sy-vline 
WA_IPTSTLMTDIGSIG_STR-PORTUGUESEDGTLSIGNATURESERIES sy-vline 
WA_IPTSTLMTDIGSIG_STR-INVOICEDATE sy-vline 
WA_IPTSTLMTDIGSIG_STR-PORTUGUESEDGTLSGNTRSYSTDTETIME sy-vline 
WA_IPTSTLMTDIGSIG_STR-SETTLEMENTDOCINVOICENUMBER sy-vline 
WA_IPTSTLMTDIGSIG_STR-COMPANYCODECURRENCY sy-vline 
WA_IPTSTLMTDIGSIG_STR-TOTALGROSSAMOUNT sy-vline 
WA_IPTSTLMTDIGSIG_STR-PORTUGUESESGNTRCERTIFICATE sy-vline 
WA_IPTSTLMTDIGSIG_STR-PORTUGUESEDGTLSGNTRKEYVERSION sy-vline 
WA_IPTSTLMTDIGSIG_STR-CREATEDBYUSER sy-vline 
WA_IPTSTLMTDIGSIG_STR-PORTUGUESEDIGITALSIGNATUREDATE sy-vline 
WA_IPTSTLMTDIGSIG_STR-PORTUGUESEDIGITALSIGNATURETIME sy-vline 
WA_IPTSTLMTDIGSIG_STR-PORTUGUESEDIGITALSIGNATURE sy-vline      INTO ld_text SEPARATED BY SPACE.

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