ABAP Select data from SAP table SCH_S_MODEL_DETAILS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SCH_S_MODEL_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 SCH_S_MODEL_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 SCH_S_MODEL_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_SCH_S_MODEL_DETAILS TYPE STANDARD TABLE OF SCH_S_MODEL_DETAILS,
      WA_SCH_S_MODEL_DETAILS TYPE SCH_S_MODEL_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: <SCH_S_MODEL_DETAILS> TYPE SCH_S_MODEL_DETAILS.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SCH_S_MODEL_DETAILS
*  INTO TABLE @DATA(IT_SCH_S_MODEL_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_SCH_S_MODEL_DETAILS INDEX 1 INTO DATA(WA_SCH_S_MODEL_DETAILS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SCH_S_MODEL_DETAILS>-SEARCH_DDLVIEW_NAME = 1.
<SCH_S_MODEL_DETAILS>-SEARCH_SQLVIEW_NAME = 1.
<SCH_S_MODEL_DETAILS>-NODE_DDLVIEW_NAME = 1.
<SCH_S_MODEL_DETAILS>-NODE_SQLVIEW_NAME = 1.
<SCH_S_MODEL_DETAILS>-TRANSPORTREQUEST = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SCH_S_MODEL_DETAILS-PACKAGENAME, sy-vline,
  WA_SCH_S_MODEL_DETAILS-ACTION, sy-vline,
  WA_SCH_S_MODEL_DETAILS-LANG, sy-vline,
  WA_SCH_S_MODEL_DETAILS-LASTCHANGEDBY, sy-vline,
  WA_SCH_S_MODEL_DETAILS-ENTERPRISESEARCH, sy-vline,
  WA_SCH_S_MODEL_DETAILS-ENABLED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SCH_S_MODEL_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_SCH_S_MODEL_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_SCH_S_MODEL_DETAILS INTO WA_SCH_S_MODEL_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_SCH_S_MODEL_DETAILS_STR, 
SEARCH_DDLVIEW_NAME TYPE STRING,
SEARCH_SQLVIEW_NAME TYPE STRING,
NODE_DDLVIEW_NAME TYPE STRING,
NODE_SQLVIEW_NAME TYPE STRING,
TRANSPORTREQUEST TYPE STRING,
PACKAGENAME TYPE STRING,
ACTION TYPE STRING,
LANG TYPE STRING,
LASTCHANGEDBY TYPE STRING,
ENTERPRISESEARCH TYPE STRING,
ENABLED TYPE STRING,
HIDDEN TYPE STRING,
CONNECTORNAME TYPE STRING,
SINGULAR TYPE STRING,
PLURAL TYPE STRING,
TITLE TYPE STRING,
PRIMARYTITLE TYPE STRING,
TYPE TYPE STRING,
VALUEQUALIFIER TYPE STRING,
VALUE TYPE STRING,
SECONDARY TYPE STRING,
SUBTITLE TYPE STRING,
TYPE TYPE STRING,
VALUEQUALIFIER TYPE STRING,
VALUE TYPE STRING,
SEMANTICOBJECT TYPE STRING,
OBJECTMODELUSAGETYPE TYPE STRING,
SERVICEQUALITY TYPE STRING,
DATACLASS TYPE STRING,
SIZECATEGORY TYPE STRING,
ACCESSCONTROL TYPE STRING,
AUTHORIZATIONCHECK TYPE STRING,
PERSONALDATABLOCKING TYPE STRING,
METADATA TYPE STRING,
ALLOWEXTENSIONS TYPE STRING,
IGNOREPROPAGATEDANNOTATIONS TYPE STRING,
CLIENTHANDLING TYPE STRING,
ALGORITHM TYPE STRING,
TYPE TYPE STRING,
SEMANTICKEY TYPE STRING,
ASSOCIATEDVIEWS TYPE STRING,
SOURCEVIEW TYPE STRING,
VIEWNAME TYPE STRING,
VIEWPARAMETERS TYPE STRING,
SELECTEDFIELDS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SCH_S_MODEL_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_SCH_S_MODEL_DETAILS_STR-SEARCH_DDLVIEW_NAME sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-SEARCH_SQLVIEW_NAME sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-NODE_DDLVIEW_NAME sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-NODE_SQLVIEW_NAME sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-TRANSPORTREQUEST sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-PACKAGENAME sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-ACTION sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-LANG sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-LASTCHANGEDBY sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-ENTERPRISESEARCH sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-ENABLED sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-HIDDEN sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-CONNECTORNAME sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-SINGULAR sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-PLURAL sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-TITLE sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-PRIMARYTITLE sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-TYPE sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-VALUEQUALIFIER sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-VALUE sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-SECONDARY sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-SUBTITLE sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-TYPE sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-VALUEQUALIFIER sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-VALUE sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-SEMANTICOBJECT sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-OBJECTMODELUSAGETYPE sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-SERVICEQUALITY sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-DATACLASS sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-SIZECATEGORY sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-ACCESSCONTROL sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-AUTHORIZATIONCHECK sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-PERSONALDATABLOCKING sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-METADATA sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-ALLOWEXTENSIONS sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-IGNOREPROPAGATEDANNOTATIONS sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-CLIENTHANDLING sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-ALGORITHM sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-TYPE sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-SEMANTICKEY sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-ASSOCIATEDVIEWS sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-SOURCEVIEW sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-VIEWNAME sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-VIEWPARAMETERS sy-vline 
WA_SCH_S_MODEL_DETAILS_STR-SELECTEDFIELDS sy-vline      INTO ld_text SEPARATED BY SPACE.

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