ABAP Select data from SAP table EHCSMS_SPC_SPECTYPE_DETAILS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EHCSMS_SPC_SPECTYPE_DETAILS
*  INTO TABLE @DATA(IT_EHCSMS_SPC_SPECTYPE_DETAILS2).
*--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_EHCSMS_SPC_SPECTYPE_DETAILS INDEX 1 INTO DATA(WA_EHCSMS_SPC_SPECTYPE_DETAILS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EHCSMS_SPC_SPECTYPE_DETAILS>-MANDT = 1.
<EHCSMS_SPC_SPECTYPE_DETAILS>-SUBCAT = 1.
<EHCSMS_SPC_SPECTYPE_DETAILS>-REFFLG = 1.
<EHCSMS_SPC_SPECTYPE_DETAILS>-MATFLG = 1.
<EHCSMS_SPC_SPECTYPE_DETAILS>-CHECKF = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EHCSMS_SPC_SPECTYPE_DETAILS-NUMRNGE, sy-vline,
  WA_EHCSMS_SPC_SPECTYPE_DETAILS-NUMINTI, sy-vline,
  WA_EHCSMS_SPC_SPECTYPE_DETAILS-NUMINTE, sy-vline,
  WA_EHCSMS_SPC_SPECTYPE_DETAILS-IEDFLG, sy-vline,
  WA_EHCSMS_SPC_SPECTYPE_DETAILS-USEXNAM, sy-vline,
  WA_EHCSMS_SPC_SPECTYPE_DETAILS-MENID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EHCSMS_SPC_SPECTYPE_DETAILS 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_EHCSMS_SPC_SPECTYPE_DETAILS 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_EHCSMS_SPC_SPECTYPE_DETAILS INTO WA_EHCSMS_SPC_SPECTYPE_DETAILS.


*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_EHCSMS_SPC_SPECTYPE_DETAILS_STR, 
MANDT TYPE STRING,
SUBCAT TYPE STRING,
REFFLG TYPE STRING,
MATFLG TYPE STRING,
CHECKF TYPE STRING,
NUMRNGE TYPE STRING,
NUMINTI TYPE STRING,
NUMINTE TYPE STRING,
IEDFLG TYPE STRING,
USEXNAM TYPE STRING,
MENID TYPE STRING,
PROPFLG TYPE STRING,
SUBFLG TYPE STRING,
EXPFLG TYPE STRING,
INTRFLG TYPE STRING,
DEFROLESTCAT TYPE STRING,
DEFROLCHARACT TYPE STRING,
LABELFLG TYPE STRING,
WB_ICON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EHCSMS_SPC_SPECTYPE_DETAILS_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_EHCSMS_SPC_SPECTYPE_DETAILS_STR-MANDT sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-SUBCAT sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-REFFLG sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-MATFLG sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-CHECKF sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-NUMRNGE sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-NUMINTI sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-NUMINTE sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-IEDFLG sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-USEXNAM sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-MENID sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-PROPFLG sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-SUBFLG sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-EXPFLG sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-INTRFLG sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-DEFROLESTCAT sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-DEFROLCHARACT sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-LABELFLG sy-vline 
WA_EHCSMS_SPC_SPECTYPE_DETAILS_STR-WB_ICON sy-vline      INTO ld_text SEPARATED BY SPACE.

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