ABAP Select data from SAP table FPLTC_AUTH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FPLTC_AUTH
*  INTO TABLE @DATA(IT_FPLTC_AUTH2).
*--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_FPLTC_AUTH INDEX 1 INTO DATA(WA_FPLTC_AUTH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FPLTC_AUTH>-AUTWR = 1.
<FPLTC_AUTH>-SETTL = 1.
<FPLTC_AUTH>-AUNUM = 1.
<FPLTC_AUTH>-AUTRA = 1.
<FPLTC_AUTH>-AUDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FPLTC_AUTH-AUTIM, sy-vline,
  WA_FPLTC_AUTH-CCAUA, sy-vline,
  WA_FPLTC_AUTH-CCALL, sy-vline,
  WA_FPLTC_AUTH-REACT, sy-vline,
  WA_FPLTC_AUTH-AUTWV, sy-vline,
  WA_FPLTC_AUTH-CCOLD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FPLTC_AUTH 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_FPLTC_AUTH 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_FPLTC_AUTH INTO WA_FPLTC_AUTH.


*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_FPLTC_AUTH_STR, 
AUTWR TYPE STRING,
SETTL TYPE STRING,
AUNUM TYPE STRING,
AUTRA TYPE STRING,
AUDAT TYPE STRING,
AUTIM TYPE STRING,
CCAUA TYPE STRING,
CCALL TYPE STRING,
REACT TYPE STRING,
AUTWV TYPE STRING,
CCOLD TYPE STRING,
CCVAL TYPE STRING,
CCPRE TYPE STRING,
UELTR_A TYPE STRING,
COPIED_FOR_CREDIT TYPE STRING,
RCAVR TYPE STRING,
RCAVA TYPE STRING,
RCAVZ TYPE STRING,
RCRSP TYPE STRING,
RTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FPLTC_AUTH_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_FPLTC_AUTH_STR-AUTWR sy-vline 
WA_FPLTC_AUTH_STR-SETTL sy-vline 
WA_FPLTC_AUTH_STR-AUNUM sy-vline 
WA_FPLTC_AUTH_STR-AUTRA sy-vline 
WA_FPLTC_AUTH_STR-AUDAT sy-vline 
WA_FPLTC_AUTH_STR-AUTIM sy-vline 
WA_FPLTC_AUTH_STR-CCAUA sy-vline 
WA_FPLTC_AUTH_STR-CCALL sy-vline 
WA_FPLTC_AUTH_STR-REACT sy-vline 
WA_FPLTC_AUTH_STR-AUTWV sy-vline 
WA_FPLTC_AUTH_STR-CCOLD sy-vline 
WA_FPLTC_AUTH_STR-CCVAL sy-vline 
WA_FPLTC_AUTH_STR-CCPRE sy-vline 
WA_FPLTC_AUTH_STR-UELTR_A sy-vline 
WA_FPLTC_AUTH_STR-COPIED_FOR_CREDIT sy-vline 
WA_FPLTC_AUTH_STR-RCAVR sy-vline 
WA_FPLTC_AUTH_STR-RCAVA sy-vline 
WA_FPLTC_AUTH_STR-RCAVZ sy-vline 
WA_FPLTC_AUTH_STR-RCRSP sy-vline 
WA_FPLTC_AUTH_STR-RTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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