ABAP Select data from SAP table FINX_S_FINFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FINX_S_FINFO
*  INTO TABLE @DATA(IT_FINX_S_FINFO2).
*--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_FINX_S_FINFO INDEX 1 INTO DATA(WA_FINX_S_FINFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FINX_S_FINFO>-FIELDNAME = 1.
<FINX_S_FINFO>-T_ERP_MAPPING = 1.
<FINX_S_FINFO>-ROLLNAME_MDF = 1.
<FINX_S_FINFO>-DD04L = 1.
<FINX_S_FINFO>-ROLLNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FINX_S_FINFO-AS4LOCAL, sy-vline,
  WA_FINX_S_FINFO-AS4VERS, sy-vline,
  WA_FINX_S_FINFO-DOMNAME, sy-vline,
  WA_FINX_S_FINFO-ROUTPUTLEN, sy-vline,
  WA_FINX_S_FINFO-MEMORYID, sy-vline,
  WA_FINX_S_FINFO-LOGFLAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FINX_S_FINFO 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_FINX_S_FINFO 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_FINX_S_FINFO INTO WA_FINX_S_FINFO.


*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 ISOLA, internal->external for field DTELMASTER
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FINX_S_FINFO-DTELMASTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINX_S_FINFO-DTELMASTER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit DTYPE, internal->external for field DATATYPE
CALL FUNCTION 'CONVERSION_EXIT_DTYPE_OUTPUT'
  EXPORTING
    input =                      WA_FINX_S_FINFO-DATATYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINX_S_FINFO-DATATYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field DDLANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_FINX_S_FINFO-DDLANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FINX_S_FINFO-DDLANGUAGE.
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_FINX_S_FINFO_STR, 
FIELDNAME TYPE STRING,
T_ERP_MAPPING TYPE STRING,
ROLLNAME_MDF TYPE STRING,
DD04L TYPE STRING,
ROLLNAME TYPE STRING,
AS4LOCAL TYPE STRING,
AS4VERS TYPE STRING,
DOMNAME TYPE STRING,
ROUTPUTLEN TYPE STRING,
MEMORYID TYPE STRING,
LOGFLAG TYPE STRING,
HEADLEN TYPE STRING,
SCRLEN1 TYPE STRING,
SCRLEN2 TYPE STRING,
SCRLEN3 TYPE STRING,
ACTFLAG TYPE STRING,
APPLCLASS TYPE STRING,
AUTHCLASS TYPE STRING,
AS4USER TYPE STRING,
AS4DATE TYPE STRING,
AS4TIME TYPE STRING,
DTELMASTER TYPE STRING,
RESERVEDTE TYPE STRING,
DTELGLOBAL TYPE STRING,
SHLPNAME TYPE STRING,
SHLPFIELD TYPE STRING,
DEFFDNAME TYPE STRING,
DATATYPE TYPE STRING,
LENG TYPE STRING,
DECIMALS TYPE STRING,
OUTPUTLEN TYPE STRING,
LOWERCASE TYPE STRING,
SIGNFLAG TYPE STRING,
CONVEXIT TYPE STRING,
VALEXI TYPE STRING,
ENTITYTAB TYPE STRING,
REFKIND TYPE STRING,
REFTYPE TYPE STRING,
PROXYTYPE TYPE STRING,
LTRFLDDIS TYPE STRING,
BIDICTRLC TYPE STRING,
NOHISTORY TYPE STRING,
ABAP_LANGUAGE_VERSION TYPE STRING,
DD04T TYPE STRING,
ROLLNAME TYPE STRING,
DDLANGUAGE TYPE STRING,
AS4LOCAL TYPE STRING,
AS4VERS TYPE STRING,
DDTEXT TYPE STRING,
REPTEXT TYPE STRING,
SCRTEXT_S TYPE STRING,
SCRTEXT_M TYPE STRING,
SCRTEXT_L TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FINX_S_FINFO_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_FINX_S_FINFO_STR-FIELDNAME sy-vline 
WA_FINX_S_FINFO_STR-T_ERP_MAPPING sy-vline 
WA_FINX_S_FINFO_STR-ROLLNAME_MDF sy-vline 
WA_FINX_S_FINFO_STR-DD04L sy-vline 
WA_FINX_S_FINFO_STR-ROLLNAME sy-vline 
WA_FINX_S_FINFO_STR-AS4LOCAL sy-vline 
WA_FINX_S_FINFO_STR-AS4VERS sy-vline 
WA_FINX_S_FINFO_STR-DOMNAME sy-vline 
WA_FINX_S_FINFO_STR-ROUTPUTLEN sy-vline 
WA_FINX_S_FINFO_STR-MEMORYID sy-vline 
WA_FINX_S_FINFO_STR-LOGFLAG sy-vline 
WA_FINX_S_FINFO_STR-HEADLEN sy-vline 
WA_FINX_S_FINFO_STR-SCRLEN1 sy-vline 
WA_FINX_S_FINFO_STR-SCRLEN2 sy-vline 
WA_FINX_S_FINFO_STR-SCRLEN3 sy-vline 
WA_FINX_S_FINFO_STR-ACTFLAG sy-vline 
WA_FINX_S_FINFO_STR-APPLCLASS sy-vline 
WA_FINX_S_FINFO_STR-AUTHCLASS sy-vline 
WA_FINX_S_FINFO_STR-AS4USER sy-vline 
WA_FINX_S_FINFO_STR-AS4DATE sy-vline 
WA_FINX_S_FINFO_STR-AS4TIME sy-vline 
WA_FINX_S_FINFO_STR-DTELMASTER sy-vline 
WA_FINX_S_FINFO_STR-RESERVEDTE sy-vline 
WA_FINX_S_FINFO_STR-DTELGLOBAL sy-vline 
WA_FINX_S_FINFO_STR-SHLPNAME sy-vline 
WA_FINX_S_FINFO_STR-SHLPFIELD sy-vline 
WA_FINX_S_FINFO_STR-DEFFDNAME sy-vline 
WA_FINX_S_FINFO_STR-DATATYPE sy-vline 
WA_FINX_S_FINFO_STR-LENG sy-vline 
WA_FINX_S_FINFO_STR-DECIMALS sy-vline 
WA_FINX_S_FINFO_STR-OUTPUTLEN sy-vline 
WA_FINX_S_FINFO_STR-LOWERCASE sy-vline 
WA_FINX_S_FINFO_STR-SIGNFLAG sy-vline 
WA_FINX_S_FINFO_STR-CONVEXIT sy-vline 
WA_FINX_S_FINFO_STR-VALEXI sy-vline 
WA_FINX_S_FINFO_STR-ENTITYTAB sy-vline 
WA_FINX_S_FINFO_STR-REFKIND sy-vline 
WA_FINX_S_FINFO_STR-REFTYPE sy-vline 
WA_FINX_S_FINFO_STR-PROXYTYPE sy-vline 
WA_FINX_S_FINFO_STR-LTRFLDDIS sy-vline 
WA_FINX_S_FINFO_STR-BIDICTRLC sy-vline 
WA_FINX_S_FINFO_STR-NOHISTORY sy-vline 
WA_FINX_S_FINFO_STR-ABAP_LANGUAGE_VERSION sy-vline 
WA_FINX_S_FINFO_STR-DD04T sy-vline 
WA_FINX_S_FINFO_STR-ROLLNAME sy-vline 
WA_FINX_S_FINFO_STR-DDLANGUAGE sy-vline 
WA_FINX_S_FINFO_STR-AS4LOCAL sy-vline 
WA_FINX_S_FINFO_STR-AS4VERS sy-vline 
WA_FINX_S_FINFO_STR-DDTEXT sy-vline 
WA_FINX_S_FINFO_STR-REPTEXT sy-vline 
WA_FINX_S_FINFO_STR-SCRTEXT_S sy-vline 
WA_FINX_S_FINFO_STR-SCRTEXT_M sy-vline 
WA_FINX_S_FINFO_STR-SCRTEXT_L sy-vline      INTO ld_text SEPARATED BY SPACE.

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