ABAP Select data from SAP table EHFNDW_TXSI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHFNDW_TXSI
*  INTO TABLE @DATA(IT_EHFNDW_TXSI2).
*--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_EHFNDW_TXSI INDEX 1 INTO DATA(WA_EHFNDW_TXSI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHFNDW_TXSI>-MANDT = 1.
<EHFNDW_TXSI>-PCTXSKINIRRTNPRPTYUUID = 1.
<EHFNDW_TXSI>-PCTXPRPTYUUID = 1.
<EHFNDW_TXSI>-PCTXSKINIRRTNSPECIESPHRSUUID = 1.
<EHFNDW_TXSI>-PCTXSKINIRRTNMETHODPHRSUUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHFNDW_TXSI-PCTXEXPSRDURN, sy-vline,
  WA_EHFNDW_TXSI-PCTXEXPSRDURNASTXT, sy-vline,
  WA_EHFNDW_TXSI-PCTXEXPSRDURNUOM, sy-vline,
  WA_EHFNDW_TXSI-PCTXSKINIRRTNRESULTPHRSUUID, sy-vline,
  WA_EHFNDW_TXSI-PCTXSKINIRRTNADDLSTMNTUUID, sy-vline,
  WA_EHFNDW_TXSI-PCPRPTYRATING, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHFNDW_TXSI 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_EHFNDW_TXSI 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_EHFNDW_TXSI INTO WA_EHFNDW_TXSI.


*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 CUNIT, internal->external for field PCTXEXPSRDURNUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_EHFNDW_TXSI-PCTXEXPSRDURNUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_EHFNDW_TXSI-PCTXEXPSRDURNUOM.
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_EHFNDW_TXSI_STR, 
MANDT TYPE STRING,
PCTXSKINIRRTNPRPTYUUID TYPE STRING,
PCTXPRPTYUUID TYPE STRING,
PCTXSKINIRRTNSPECIESPHRSUUID TYPE STRING,
PCTXSKINIRRTNMETHODPHRSUUID TYPE STRING,
PCTXEXPSRDURN TYPE STRING,
PCTXEXPSRDURNASTXT TYPE STRING,
PCTXEXPSRDURNUOM TYPE STRING,
PCTXSKINIRRTNRESULTPHRSUUID TYPE STRING,
PCTXSKINIRRTNADDLSTMNTUUID TYPE STRING,
PCPRPTYRATING TYPE STRING,
PCTXNOTETEXT TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
CREATEDBYUSER TYPE STRING,
LASTCHANGEUTCDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
ACTIVEUUID TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHFNDW_TXSI_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_EHFNDW_TXSI_STR-MANDT sy-vline 
WA_EHFNDW_TXSI_STR-PCTXSKINIRRTNPRPTYUUID sy-vline 
WA_EHFNDW_TXSI_STR-PCTXPRPTYUUID sy-vline 
WA_EHFNDW_TXSI_STR-PCTXSKINIRRTNSPECIESPHRSUUID sy-vline 
WA_EHFNDW_TXSI_STR-PCTXSKINIRRTNMETHODPHRSUUID sy-vline 
WA_EHFNDW_TXSI_STR-PCTXEXPSRDURN sy-vline 
WA_EHFNDW_TXSI_STR-PCTXEXPSRDURNASTXT sy-vline 
WA_EHFNDW_TXSI_STR-PCTXEXPSRDURNUOM sy-vline 
WA_EHFNDW_TXSI_STR-PCTXSKINIRRTNRESULTPHRSUUID sy-vline 
WA_EHFNDW_TXSI_STR-PCTXSKINIRRTNADDLSTMNTUUID sy-vline 
WA_EHFNDW_TXSI_STR-PCPRPTYRATING sy-vline 
WA_EHFNDW_TXSI_STR-PCTXNOTETEXT sy-vline 
WA_EHFNDW_TXSI_STR-CREATIONUTCDATETIME sy-vline 
WA_EHFNDW_TXSI_STR-CREATEDBYUSER sy-vline 
WA_EHFNDW_TXSI_STR-LASTCHANGEUTCDATETIME sy-vline 
WA_EHFNDW_TXSI_STR-LASTCHANGEDBYUSER sy-vline 
WA_EHFNDW_TXSI_STR-ACTIVEUUID sy-vline 
WA_EHFNDW_TXSI_STR-HASACTIVEENTITY sy-vline 
WA_EHFNDW_TXSI_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_EHFNDW_TXSI_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_EHFNDW_TXSI_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_EHFNDW_TXSI_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_EHFNDW_TXSI_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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