ABAP Select data from SAP table USMDA_S_ACCOUNT_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_ACCOUNT_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_ACCOUNT_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_ACCOUNT_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_ACCOUNT_ATTR TYPE STANDARD TABLE OF USMDA_S_ACCOUNT_ATTR,
      WA_USMDA_S_ACCOUNT_ATTR TYPE USMDA_S_ACCOUNT_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_ACCOUNT_ATTR> TYPE USMDA_S_ACCOUNT_ATTR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM USMDA_S_ACCOUNT_ATTR
*  INTO TABLE @DATA(IT_USMDA_S_ACCOUNT_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_ACCOUNT_ATTR INDEX 1 INTO DATA(WA_USMDA_S_ACCOUNT_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<USMDA_S_ACCOUNT_ATTR>-ACCOUNT = 1.
<USMDA_S_ACCOUNT_ATTR>-COA = 1.
<USMDA_S_ACCOUNT_ATTR>-DATETO = 1.
<USMDA_S_ACCOUNT_ATTR>-DATEFROM = 1.
<USMDA_S_ACCOUNT_ATTR>-USMD_EDITION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_USMDA_S_ACCOUNT_ATTR-USMD_RELEASED_AT, sy-vline,
  WA_USMDA_S_ACCOUNT_ATTR-ACCBLCREA, sy-vline,
  WA_USMDA_S_ACCOUNT_ATTR-ACCBLPLAN, sy-vline,
  WA_USMDA_S_ACCOUNT_ATTR-ACCBLPOST, sy-vline,
  WA_USMDA_S_ACCOUNT_ATTR-ACCDEL, sy-vline,
  WA_USMDA_S_ACCOUNT_ATTR-ACCTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_USMDA_S_ACCOUNT_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_ACCOUNT_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_ACCOUNT_ATTR INTO WA_USMDA_S_ACCOUNT_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 ACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_USMDA_S_ACCOUNT_ATTR-ACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_USMDA_S_ACCOUNT_ATTR-ACCOUNT.
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_ACCOUNT_ATTR-USMD_EDITION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_USMDA_S_ACCOUNT_ATTR-USMD_EDITION.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field COMPACC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_USMDA_S_ACCOUNT_ATTR-COMPACC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_USMDA_S_ACCOUNT_ATTR-COMPACC.
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_ACCOUNT_ATTR_STR, 
ACCOUNT TYPE STRING,
COA TYPE STRING,
DATETO TYPE STRING,
DATEFROM TYPE STRING,
USMD_EDITION TYPE STRING,
USMD_RELEASED_AT TYPE STRING,
ACCBLCREA TYPE STRING,
ACCBLPLAN TYPE STRING,
ACCBLPOST TYPE STRING,
ACCDEL TYPE STRING,
ACCTYP TYPE STRING,
ACCGRPACC TYPE STRING,
CCOAACC TYPE STRING,
FICOAACC TYPE STRING,
FSIACC TYPE STRING,
FSIACCSTA TYPE STRING,
FAACC TYPE STRING,
PLTYPACC TYPE STRING,
TPACC TYPE STRING,
ACCRESPP TYPE STRING,
ACCRESPU TYPE STRING,
ACCNEWACC TYPE STRING,
COMPACC TYPE STRING,
FUNCACC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_USMDA_S_ACCOUNT_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_ACCOUNT_ATTR_STR-ACCOUNT sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-COA sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-DATETO sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-DATEFROM sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-USMD_EDITION sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-USMD_RELEASED_AT sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-ACCBLCREA sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-ACCBLPLAN sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-ACCBLPOST sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-ACCDEL sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-ACCTYP sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-ACCGRPACC sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-CCOAACC sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-FICOAACC sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-FSIACC sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-FSIACCSTA sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-FAACC sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-PLTYPACC sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-TPACC sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-ACCRESPP sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-ACCRESPU sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-ACCNEWACC sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-COMPACC sy-vline 
WA_USMDA_S_ACCOUNT_ATTR_STR-FUNCACC sy-vline      INTO ld_text SEPARATED BY SPACE.

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