ABAP Select data from SAP table TEST_SBD_DECFLOAT_OUTPUT_STYLE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TEST_SBD_DECFLOAT_OUTPUT_STYLE
*  INTO TABLE @DATA(IT_TEST_SBD_DECFLOAT_OUTPUT_STYLE2).
*--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_TEST_SBD_DECFLOAT_OUTPUT_STYLE INDEX 1 INTO DATA(WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TEST_SBD_DECFLOAT_OUTPUT_STYLE>-NORMAL = 1.
<TEST_SBD_DECFLOAT_OUTPUT_STYLE>-SIGN_RIGHT = 1.
<TEST_SBD_DECFLOAT_OUTPUT_STYLE>-SCALE_PRESERVING = 1.
<TEST_SBD_DECFLOAT_OUTPUT_STYLE>-NUM1 = 1.
<TEST_SBD_DECFLOAT_OUTPUT_STYLE>-SCIENTIFIC = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE-SCIENTIFIC_WITH_LEADING_ZERO, sy-vline,
  WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE-SCALE_PRESERVING_SCIENTIFIC, sy-vline,
  WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE-NUM2, sy-vline,
  WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE-ENGINEERING, sy-vline,
  WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE-NO_ANNOTATION, sy-vline,
  WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE-DATA_ELEMENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE 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_TEST_SBD_DECFLOAT_OUTPUT_STYLE 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_TEST_SBD_DECFLOAT_OUTPUT_STYLE INTO WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE.


*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_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR, 
NORMAL TYPE STRING,
SIGN_RIGHT TYPE STRING,
SCALE_PRESERVING TYPE STRING,
NUM1 TYPE STRING,
SCIENTIFIC TYPE STRING,
SCIENTIFIC_WITH_LEADING_ZERO TYPE STRING,
SCALE_PRESERVING_SCIENTIFIC TYPE STRING,
NUM2 TYPE STRING,
ENGINEERING TYPE STRING,
NO_ANNOTATION TYPE STRING,
DATA_ELEMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE_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_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR-NORMAL sy-vline 
WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR-SIGN_RIGHT sy-vline 
WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR-SCALE_PRESERVING sy-vline 
WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR-NUM1 sy-vline 
WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR-SCIENTIFIC sy-vline 
WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR-SCIENTIFIC_WITH_LEADING_ZERO sy-vline 
WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR-SCALE_PRESERVING_SCIENTIFIC sy-vline 
WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR-NUM2 sy-vline 
WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR-ENGINEERING sy-vline 
WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR-NO_ANNOTATION sy-vline 
WA_TEST_SBD_DECFLOAT_OUTPUT_STYLE_STR-DATA_ELEMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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