ABAP Select data from SAP table USMDA_S_FRSITXT_E_ATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM USMDA_S_FRSITXT_E_ATTR
*  INTO TABLE @DATA(IT_USMDA_S_FRSITXT_E_ATTR2).
*--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_USMDA_S_FRSITXT_E_ATTR INDEX 1 INTO DATA(WA_USMDA_S_FRSITXT_E_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<USMDA_S_FRSITXT_E_ATTR>-COA = 1.
<USMDA_S_FRSITXT_E_ATTR>-FRS = 1.
<USMDA_S_FRSITXT_E_ATTR>-FRSI = 1.
<USMDA_S_FRSITXT_E_ATTR>-DATETO = 1.
<USMDA_S_FRSITXT_E_ATTR>-DATEFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_USMDA_S_FRSITXT_E_ATTR-USMD_EDITION, sy-vline,
  WA_USMDA_S_FRSITXT_E_ATTR-USMD_RELEASED_AT, sy-vline,
  WA_USMDA_S_FRSITXT_E_ATTR-LANGUAGE, sy-vline,
  WA_USMDA_S_FRSITXT_E_ATTR-FRSITBEG1, sy-vline,
  WA_USMDA_S_FRSITXT_E_ATTR-FRSITBEG2, sy-vline,
  WA_USMDA_S_FRSITXT_E_ATTR-FRSITBEG3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_USMDA_S_FRSITXT_E_ATTR 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_USMDA_S_FRSITXT_E_ATTR 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_USMDA_S_FRSITXT_E_ATTR INTO WA_USMDA_S_FRSITXT_E_ATTR.


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

*Conversion exit ALPHA, internal->external for field USMD_EDITION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_USMDA_S_FRSITXT_E_ATTR-USMD_EDITION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_USMDA_S_FRSITXT_E_ATTR-USMD_EDITION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_USMDA_S_FRSITXT_E_ATTR-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_USMDA_S_FRSITXT_E_ATTR-LANGUAGE.
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_USMDA_S_FRSITXT_E_ATTR_STR, 
COA TYPE STRING,
FRS TYPE STRING,
FRSI TYPE STRING,
DATETO TYPE STRING,
DATEFROM TYPE STRING,
USMD_EDITION TYPE STRING,
USMD_RELEASED_AT TYPE STRING,
LANGUAGE TYPE STRING,
FRSITBEG1 TYPE STRING,
FRSITBEG2 TYPE STRING,
FRSITBEG3 TYPE STRING,
FRSITBEG4 TYPE STRING,
FRSITEND1 TYPE STRING,
FRSITEND2 TYPE STRING,
FRSITEND3 TYPE STRING,
FRSITEND4 TYPE STRING,
FRSITTOT1 TYPE STRING,
FRSITTOT2 TYPE STRING,
FRSITTOT3 TYPE STRING,
FRSITTOT4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_USMDA_S_FRSITXT_E_ATTR_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_USMDA_S_FRSITXT_E_ATTR_STR-COA sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRS sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSI sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-DATETO sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-DATEFROM sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-USMD_EDITION sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-USMD_RELEASED_AT sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-LANGUAGE sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITBEG1 sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITBEG2 sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITBEG3 sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITBEG4 sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITEND1 sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITEND2 sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITEND3 sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITEND4 sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITTOT1 sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITTOT2 sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITTOT3 sy-vline 
WA_USMDA_S_FRSITXT_E_ATTR_STR-FRSITTOT4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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