ABAP Select data from SAP table ISSITNDEFINITIONTEXTTP_D into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ISSITNDEFINITIONTEXTTP_D
*  INTO TABLE @DATA(IT_ISSITNDEFINITIONTEXTTP_D2).
*--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_ISSITNDEFINITIONTEXTTP_D INDEX 1 INTO DATA(WA_ISSITNDEFINITIONTEXTTP_D2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ISSITNDEFINITIONTEXTTP_D>-SITNDEFINITIONID = 1.
<ISSITNDEFINITIONTEXTTP_D>-SITNDEFLONGTEXTVERSION = 1.
<ISSITNDEFINITIONTEXTTP_D>-LANGUAGE = 1.
<ISSITNDEFINITIONTEXTTP_D>-LANGUAGEFOREDIT = 1.
<ISSITNDEFINITIONTEXTTP_D>-SITNDEFNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ISSITNDEFINITIONTEXTTP_D-SITNDEFSHORTTEXT, sy-vline,
  WA_ISSITNDEFINITIONTEXTTP_D-SITNDEFLONGTEXT, sy-vline,
  WA_ISSITNDEFINITIONTEXTTP_D-SITNDEFLONGPARSEDTEXT, sy-vline,
  WA_ISSITNDEFINITIONTEXTTP_D-SITNDEFLONGTEXTISPARSED, sy-vline,
  WA_ISSITNDEFINITIONTEXTTP_D-SITNCNDNDESCRIPTION, sy-vline,
  WA_ISSITNDEFINITIONTEXTTP_D-SITNDEFDETAILSLINKTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ISSITNDEFINITIONTEXTTP_D 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_ISSITNDEFINITIONTEXTTP_D 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_ISSITNDEFINITIONTEXTTP_D INTO WA_ISSITNDEFINITIONTEXTTP_D.


*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 ISOLA, internal->external for field LANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISSITNDEFINITIONTEXTTP_D-LANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISSITNDEFINITIONTEXTTP_D-LANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGUAGEFOREDIT
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_ISSITNDEFINITIONTEXTTP_D-LANGUAGEFOREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ISSITNDEFINITIONTEXTTP_D-LANGUAGEFOREDIT.
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_ISSITNDEFINITIONTEXTTP_D_STR, 
SITNDEFINITIONID TYPE STRING,
SITNDEFLONGTEXTVERSION TYPE STRING,
LANGUAGE TYPE STRING,
LANGUAGEFOREDIT TYPE STRING,
SITNDEFNAME TYPE STRING,
SITNDEFSHORTTEXT TYPE STRING,
SITNDEFLONGTEXT TYPE STRING,
SITNDEFLONGPARSEDTEXT TYPE STRING,
SITNDEFLONGTEXTISPARSED TYPE STRING,
SITNCNDNDESCRIPTION TYPE STRING,
SITNDEFDETAILSLINKTEXT TYPE STRING,
SITNDEFDETAILSLINK TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,
ISACTIVEENTITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ISSITNDEFINITIONTEXTTP_D_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_ISSITNDEFINITIONTEXTTP_D_STR-SITNDEFINITIONID sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-SITNDEFLONGTEXTVERSION sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-LANGUAGE sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-LANGUAGEFOREDIT sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-SITNDEFNAME sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-SITNDEFSHORTTEXT sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-SITNDEFLONGTEXT sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-SITNDEFLONGPARSEDTEXT sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-SITNDEFLONGTEXTISPARSED sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-SITNCNDNDESCRIPTION sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-SITNDEFDETAILSLINKTEXT sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-SITNDEFDETAILSLINK sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-HASACTIVEENTITY sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-DRAFTENTITYOPERATIONCODE sy-vline 
WA_ISSITNDEFINITIONTEXTTP_D_STR-ISACTIVEENTITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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