ABAP Select data from SAP table SMDATTRIBUTE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SMDATTRIBUTE
*  INTO TABLE @DATA(IT_SMDATTRIBUTE2).
*--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_SMDATTRIBUTE INDEX 1 INTO DATA(WA_SMDATTRIBUTE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SMDATTRIBUTE>-FOLDER_GROUP = 1.
<SMDATTRIBUTE>-DOCTYPE = 1.
<SMDATTRIBUTE>-SMDSTATE = 1.
<SMDATTRIBUTE>-PRIORITY = 1.
<SMDATTRIBUTE>-SENSITIVITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SMDATTRIBUTE-BUPA, sy-vline,
  WA_SMDATTRIBUTE-CONTENT_MIGRATED_AT, sy-vline,
  WA_SMDATTRIBUTE-CONTENT_MIGRATED_BY, sy-vline,
  WA_SMDATTRIBUTE-DELETED_AT, sy-vline,
  WA_SMDATTRIBUTE-DELETED_BY, sy-vline,
  WA_SMDATTRIBUTE-DURATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SMDATTRIBUTE 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_SMDATTRIBUTE 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_SMDATTRIBUTE INTO WA_SMDATTRIBUTE.


*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 TSTLC, internal->external for field CONTENT_MIGRATED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_SMDATTRIBUTE-CONTENT_MIGRATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SMDATTRIBUTE-CONTENT_MIGRATED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field DELETED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_SMDATTRIBUTE-DELETED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SMDATTRIBUTE-DELETED_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTLC, internal->external for field MIGRATED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_SMDATTRIBUTE-MIGRATED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SMDATTRIBUTE-MIGRATED_AT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit FLDID, internal->external for field FOLDER_ID
CALL FUNCTION 'CONVERSION_EXIT_FLDID_OUTPUT'
  EXPORTING
    input =                      WA_SMDATTRIBUTE-FOLDER_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SMDATTRIBUTE-FOLDER_ID.
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_SMDATTRIBUTE_STR, 
FOLDER_GROUP TYPE STRING,
DOCTYPE TYPE STRING,
SMDSTATE TYPE STRING,
PRIORITY TYPE STRING,
SENSITIVITY TYPE STRING,
BUPA TYPE STRING,
CONTENT_MIGRATED_AT TYPE STRING,
CONTENT_MIGRATED_BY TYPE STRING,
DELETED_AT TYPE STRING,
DELETED_BY TYPE STRING,
DURATION TYPE STRING,
KEYWORD TYPE STRING,
MIGRATED_AT TYPE STRING,
MIGRATED_BY TYPE STRING,
NAMESPACE TYPE STRING,
ORIGINAL TYPE STRING,
RELEVANCE TYPE STRING,
PARTNER TYPE STRING,
TECHNAME TYPE STRING,
CONTENT_PHIO TYPE STRING,
DOCUMENT_FORMAT TYPE STRING,
FOLDER_ID TYPE STRING,
DESCRIPTION TYPE STRING,
COMMENT TYPE STRING,
BRANCH TYPE STRING,
ACTIVE TYPE STRING,
OBSOLETE TYPE STRING,
DELETED TYPE STRING,
ADJUSTED_PHIO TYPE STRING,
CLONE TYPE STRING,
CONTENT_HASH TYPE STRING,
CHANGE_ID TYPE STRING,
TESTCASE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SMDATTRIBUTE_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_SMDATTRIBUTE_STR-FOLDER_GROUP sy-vline 
WA_SMDATTRIBUTE_STR-DOCTYPE sy-vline 
WA_SMDATTRIBUTE_STR-SMDSTATE sy-vline 
WA_SMDATTRIBUTE_STR-PRIORITY sy-vline 
WA_SMDATTRIBUTE_STR-SENSITIVITY sy-vline 
WA_SMDATTRIBUTE_STR-BUPA sy-vline 
WA_SMDATTRIBUTE_STR-CONTENT_MIGRATED_AT sy-vline 
WA_SMDATTRIBUTE_STR-CONTENT_MIGRATED_BY sy-vline 
WA_SMDATTRIBUTE_STR-DELETED_AT sy-vline 
WA_SMDATTRIBUTE_STR-DELETED_BY sy-vline 
WA_SMDATTRIBUTE_STR-DURATION sy-vline 
WA_SMDATTRIBUTE_STR-KEYWORD sy-vline 
WA_SMDATTRIBUTE_STR-MIGRATED_AT sy-vline 
WA_SMDATTRIBUTE_STR-MIGRATED_BY sy-vline 
WA_SMDATTRIBUTE_STR-NAMESPACE sy-vline 
WA_SMDATTRIBUTE_STR-ORIGINAL sy-vline 
WA_SMDATTRIBUTE_STR-RELEVANCE sy-vline 
WA_SMDATTRIBUTE_STR-PARTNER sy-vline 
WA_SMDATTRIBUTE_STR-TECHNAME sy-vline 
WA_SMDATTRIBUTE_STR-CONTENT_PHIO sy-vline 
WA_SMDATTRIBUTE_STR-DOCUMENT_FORMAT sy-vline 
WA_SMDATTRIBUTE_STR-FOLDER_ID sy-vline 
WA_SMDATTRIBUTE_STR-DESCRIPTION sy-vline 
WA_SMDATTRIBUTE_STR-COMMENT sy-vline 
WA_SMDATTRIBUTE_STR-BRANCH sy-vline 
WA_SMDATTRIBUTE_STR-ACTIVE sy-vline 
WA_SMDATTRIBUTE_STR-OBSOLETE sy-vline 
WA_SMDATTRIBUTE_STR-DELETED sy-vline 
WA_SMDATTRIBUTE_STR-ADJUSTED_PHIO sy-vline 
WA_SMDATTRIBUTE_STR-CLONE sy-vline 
WA_SMDATTRIBUTE_STR-CONTENT_HASH sy-vline 
WA_SMDATTRIBUTE_STR-CHANGE_ID sy-vline 
WA_SMDATTRIBUTE_STR-TESTCASE sy-vline      INTO ld_text SEPARATED BY SPACE.

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