ABAP Select data from SAP table AUTH_FLDINFO_TMP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AUTH_FLDINFO_TMP
*  INTO TABLE @DATA(IT_AUTH_FLDINFO_TMP2).
*--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_AUTH_FLDINFO_TMP INDEX 1 INTO DATA(WA_AUTH_FLDINFO_TMP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AUTH_FLDINFO_TMP>-TABNAME = 1.
<AUTH_FLDINFO_TMP>-FIELDNAME = 1.
<AUTH_FLDINFO_TMP>-DDLANGUAGE = 1.
<AUTH_FLDINFO_TMP>-DOMNAME = 1.
<AUTH_FLDINFO_TMP>-ROLLNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AUTH_FLDINFO_TMP-CHECKTABLE, sy-vline,
  WA_AUTH_FLDINFO_TMP-LENG, sy-vline,
  WA_AUTH_FLDINFO_TMP-INTLEN, sy-vline,
  WA_AUTH_FLDINFO_TMP-OUTPUTLEN, sy-vline,
  WA_AUTH_FLDINFO_TMP-DECIMALS, sy-vline,
  WA_AUTH_FLDINFO_TMP-DATATYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AUTH_FLDINFO_TMP 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_AUTH_FLDINFO_TMP 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_AUTH_FLDINFO_TMP INTO WA_AUTH_FLDINFO_TMP.


*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 DDLANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_AUTH_FLDINFO_TMP-DDLANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AUTH_FLDINFO_TMP-DDLANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit DTYPE, internal->external for field DATATYPE
CALL FUNCTION 'CONVERSION_EXIT_DTYPE_OUTPUT'
  EXPORTING
    input =                      WA_AUTH_FLDINFO_TMP-DATATYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AUTH_FLDINFO_TMP-DATATYPE.
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_AUTH_FLDINFO_TMP_STR, 
TABNAME TYPE STRING,
FIELDNAME TYPE STRING,
DDLANGUAGE TYPE STRING,
DOMNAME TYPE STRING,
ROLLNAME TYPE STRING,
CHECKTABLE TYPE STRING,
LENG TYPE STRING,
INTLEN TYPE STRING,
OUTPUTLEN TYPE STRING,
DECIMALS TYPE STRING,
DATATYPE TYPE STRING,
INTTYPE TYPE STRING,
REFTABLE TYPE STRING,
REFFIELD TYPE STRING,
PRECFIELD TYPE STRING,
AUTHORID TYPE STRING,
MEMORYID TYPE STRING,
LOGFLAG TYPE STRING,
MASK TYPE STRING,
MASKLEN TYPE STRING,
CONVEXIT TYPE STRING,
HEADLEN TYPE STRING,
SCRLEN1 TYPE STRING,
SCRLEN2 TYPE STRING,
SCRLEN3 TYPE STRING,
FIELDTEXT TYPE STRING,
REPTEXT TYPE STRING,
SCRTEXT_S TYPE STRING,
SCRTEXT_M TYPE STRING,
SCRTEXT_L TYPE STRING,
KEYFLAG TYPE STRING,
LOWERCASE TYPE STRING,
MAC TYPE STRING,
GENKEY TYPE STRING,
NOFORKEY TYPE STRING,
VALEXI TYPE STRING,
NOAUTHCH TYPE STRING,
SIGN TYPE STRING,
DYNPFLD TYPE STRING,
F4AVAILABL TYPE STRING,
COMPTYPE TYPE STRING,
LFIELDNAME TYPE STRING,
LTRFLDDIS TYPE STRING,
BIDICTRLC TYPE STRING,
OUTPUTSTYLE TYPE STRING,
NOHISTORY TYPE STRING,
AMPMFORMAT TYPE STRING,
MODIFIER TYPE STRING,
MODDATE TYPE STRING,
MODTIME TYPE STRING,
ABAP_LANGUAGE_VERSION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AUTH_FLDINFO_TMP_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_AUTH_FLDINFO_TMP_STR-TABNAME sy-vline 
WA_AUTH_FLDINFO_TMP_STR-FIELDNAME sy-vline 
WA_AUTH_FLDINFO_TMP_STR-DDLANGUAGE sy-vline 
WA_AUTH_FLDINFO_TMP_STR-DOMNAME sy-vline 
WA_AUTH_FLDINFO_TMP_STR-ROLLNAME sy-vline 
WA_AUTH_FLDINFO_TMP_STR-CHECKTABLE sy-vline 
WA_AUTH_FLDINFO_TMP_STR-LENG sy-vline 
WA_AUTH_FLDINFO_TMP_STR-INTLEN sy-vline 
WA_AUTH_FLDINFO_TMP_STR-OUTPUTLEN sy-vline 
WA_AUTH_FLDINFO_TMP_STR-DECIMALS sy-vline 
WA_AUTH_FLDINFO_TMP_STR-DATATYPE sy-vline 
WA_AUTH_FLDINFO_TMP_STR-INTTYPE sy-vline 
WA_AUTH_FLDINFO_TMP_STR-REFTABLE sy-vline 
WA_AUTH_FLDINFO_TMP_STR-REFFIELD sy-vline 
WA_AUTH_FLDINFO_TMP_STR-PRECFIELD sy-vline 
WA_AUTH_FLDINFO_TMP_STR-AUTHORID sy-vline 
WA_AUTH_FLDINFO_TMP_STR-MEMORYID sy-vline 
WA_AUTH_FLDINFO_TMP_STR-LOGFLAG sy-vline 
WA_AUTH_FLDINFO_TMP_STR-MASK sy-vline 
WA_AUTH_FLDINFO_TMP_STR-MASKLEN sy-vline 
WA_AUTH_FLDINFO_TMP_STR-CONVEXIT sy-vline 
WA_AUTH_FLDINFO_TMP_STR-HEADLEN sy-vline 
WA_AUTH_FLDINFO_TMP_STR-SCRLEN1 sy-vline 
WA_AUTH_FLDINFO_TMP_STR-SCRLEN2 sy-vline 
WA_AUTH_FLDINFO_TMP_STR-SCRLEN3 sy-vline 
WA_AUTH_FLDINFO_TMP_STR-FIELDTEXT sy-vline 
WA_AUTH_FLDINFO_TMP_STR-REPTEXT sy-vline 
WA_AUTH_FLDINFO_TMP_STR-SCRTEXT_S sy-vline 
WA_AUTH_FLDINFO_TMP_STR-SCRTEXT_M sy-vline 
WA_AUTH_FLDINFO_TMP_STR-SCRTEXT_L sy-vline 
WA_AUTH_FLDINFO_TMP_STR-KEYFLAG sy-vline 
WA_AUTH_FLDINFO_TMP_STR-LOWERCASE sy-vline 
WA_AUTH_FLDINFO_TMP_STR-MAC sy-vline 
WA_AUTH_FLDINFO_TMP_STR-GENKEY sy-vline 
WA_AUTH_FLDINFO_TMP_STR-NOFORKEY sy-vline 
WA_AUTH_FLDINFO_TMP_STR-VALEXI sy-vline 
WA_AUTH_FLDINFO_TMP_STR-NOAUTHCH sy-vline 
WA_AUTH_FLDINFO_TMP_STR-SIGN sy-vline 
WA_AUTH_FLDINFO_TMP_STR-DYNPFLD sy-vline 
WA_AUTH_FLDINFO_TMP_STR-F4AVAILABL sy-vline 
WA_AUTH_FLDINFO_TMP_STR-COMPTYPE sy-vline 
WA_AUTH_FLDINFO_TMP_STR-LFIELDNAME sy-vline 
WA_AUTH_FLDINFO_TMP_STR-LTRFLDDIS sy-vline 
WA_AUTH_FLDINFO_TMP_STR-BIDICTRLC sy-vline 
WA_AUTH_FLDINFO_TMP_STR-OUTPUTSTYLE sy-vline 
WA_AUTH_FLDINFO_TMP_STR-NOHISTORY sy-vline 
WA_AUTH_FLDINFO_TMP_STR-AMPMFORMAT sy-vline 
WA_AUTH_FLDINFO_TMP_STR-MODIFIER sy-vline 
WA_AUTH_FLDINFO_TMP_STR-MODDATE sy-vline 
WA_AUTH_FLDINFO_TMP_STR-MODTIME sy-vline 
WA_AUTH_FLDINFO_TMP_STR-ABAP_LANGUAGE_VERSION sy-vline      INTO ld_text SEPARATED BY SPACE.

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