ABAP Select data from SAP table /RPM/TS_API_DOCUMENT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /RPM/TS_API_DOCUMENT 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 /RPM/TS_API_DOCUMENT. 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 /RPM/TS_API_DOCUMENT 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_/RPM/TS_API_DOCUMENT TYPE STANDARD TABLE OF /RPM/TS_API_DOCUMENT,
      WA_/RPM/TS_API_DOCUMENT TYPE /RPM/TS_API_DOCUMENT,
      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: </RPM/TS_API_DOCUMENT> TYPE /RPM/TS_API_DOCUMENT.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /RPM/TS_API_DOCUMENT
  INTO TABLE IT_/RPM/TS_API_DOCUMENT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /RPM/TS_API_DOCUMENT
*  INTO TABLE @DATA(IT_/RPM/TS_API_DOCUMENT2).
*--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_/RPM/TS_API_DOCUMENT INDEX 1 INTO DATA(WA_/RPM/TS_API_DOCUMENT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/RPM/TS_API_DOCUMENT ASSIGNING </RPM/TS_API_DOCUMENT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</RPM/TS_API_DOCUMENT>-ROOT_GUID = 1.
</RPM/TS_API_DOCUMENT>-DOCUMENT_GUID = 1.
</RPM/TS_API_DOCUMENT>-PARENT_GUID = 1.
</RPM/TS_API_DOCUMENT>-OBJECT_TYPE = 1.
</RPM/TS_API_DOCUMENT>-DOCID = 1.

ENDLOOP.

LOOP AT IT_/RPM/TS_API_DOCUMENT INTO WA_/RPM/TS_API_DOCUMENT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/RPM/TS_API_DOCUMENT-DOC_TYPE, sy-vline,
  WA_/RPM/TS_API_DOCUMENT-DOC_NUMBER, sy-vline,
  WA_/RPM/TS_API_DOCUMENT-DOC_PART, sy-vline,
  WA_/RPM/TS_API_DOCUMENT-DOC_VERSION, sy-vline,
  WA_/RPM/TS_API_DOCUMENT-DOC_INDEX, sy-vline,
  WA_/RPM/TS_API_DOCUMENT-DOC_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/RPM/TS_API_DOCUMENT 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_/RPM/TS_API_DOCUMENT 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_/RPM/TS_API_DOCUMENT INTO WA_/RPM/TS_API_DOCUMENT.


*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_/RPM/TS_API_DOCUMENT_STR, 
ROOT_GUID TYPE STRING,
DOCUMENT_GUID TYPE STRING,
PARENT_GUID TYPE STRING,
OBJECT_TYPE TYPE STRING,
DOCID TYPE STRING,
DOC_TYPE TYPE STRING,
DOC_NUMBER TYPE STRING,
DOC_PART TYPE STRING,
DOC_VERSION TYPE STRING,
DOC_INDEX TYPE STRING,
DOC_NAME TYPE STRING,
DOC_DESCRIPTION TYPE STRING,
DOC_CREATED_BY TYPE STRING,
DOC_CHANGED_BY TYPE STRING,
PARENT_ID TYPE STRING,
IS_FOLDER TYPE STRING,
ENCRYPTION TYPE STRING,
DOC_CREATED_BY_NAME TYPE STRING,
DOC_CHANGED_BY_NAME TYPE STRING,
DOC_CREATED_ON_DATE TYPE STRING,
DOC_CREATED_AT_TIME TYPE STRING,
DOC_CHANGED_ON_DATE TYPE STRING,
DOC_CHANGED_AT_TIME TYPE STRING,
STATUS_ID TYPE STRING,
STATUS_NAME TYPE STRING,
STATUS_DESCRIPTION TYPE STRING,
STATUS_ALT_KEY TYPE STRING,
STATUS_CREATED_BY TYPE STRING,
STATUS_CHANGED_BY TYPE STRING,
STATUS_TEXT TYPE STRING,
STATUS_PROFILE_ID TYPE STRING,
STATUS_CREATED_BY_NAME TYPE STRING,
STATUS_CHANGED_BY_NAME TYPE STRING,
STATUS_CREATED_ON_DATE TYPE STRING,
STATUS_CREATED_AT_TIME TYPE STRING,
STATUS_CHANGED_ON_DATE TYPE STRING,
STATUS_CHANGED_AT_TIME TYPE STRING,
ACT_FILE_ID TYPE STRING,
ACT_FILE_DESCRIPTION TYPE STRING,
ACT_FILE_NAME TYPE STRING,
ACT_FILE_MIMETYPE TYPE STRING,
ACT_FILE_SIZE TYPE STRING,
ACT_FILE_CREATED_BY_NAME TYPE STRING,
ACT_FILE_CHANGED_BY_NAME TYPE STRING,
ACT_FILE_CREATED_ON_DATE TYPE STRING,
ACT_FILE_CREATED_AT_TIME TYPE STRING,
ACT_FILE_CHANGED_ON_DATE TYPE STRING,
ACT_FILE_CHANGED_AT_TIME TYPE STRING,
EA_DUMMY TYPE STRING,
FILE_CONTENT TYPE STRING,
SAVE_AS_URL TYPE STRING,
DOC_PATH TYPE STRING,
READ_ONLY TYPE STRING,
NEW_VERSION TYPE STRING,
IS_THUMBNAIL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/RPM/TS_API_DOCUMENT_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_/RPM/TS_API_DOCUMENT_STR-ROOT_GUID sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOCUMENT_GUID sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-PARENT_GUID sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-OBJECT_TYPE sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOCID sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_TYPE sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_NUMBER sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_PART sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_VERSION sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_INDEX sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_NAME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_DESCRIPTION sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_CREATED_BY sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_CHANGED_BY sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-PARENT_ID sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-IS_FOLDER sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ENCRYPTION sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_CREATED_BY_NAME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_CHANGED_BY_NAME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_CREATED_ON_DATE sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_CREATED_AT_TIME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_CHANGED_ON_DATE sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_CHANGED_AT_TIME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_ID sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_NAME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_DESCRIPTION sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_ALT_KEY sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_CREATED_BY sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_CHANGED_BY sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_TEXT sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_PROFILE_ID sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_CREATED_BY_NAME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_CHANGED_BY_NAME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_CREATED_ON_DATE sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_CREATED_AT_TIME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_CHANGED_ON_DATE sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-STATUS_CHANGED_AT_TIME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ACT_FILE_ID sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ACT_FILE_DESCRIPTION sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ACT_FILE_NAME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ACT_FILE_MIMETYPE sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ACT_FILE_SIZE sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ACT_FILE_CREATED_BY_NAME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ACT_FILE_CHANGED_BY_NAME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ACT_FILE_CREATED_ON_DATE sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ACT_FILE_CREATED_AT_TIME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ACT_FILE_CHANGED_ON_DATE sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-ACT_FILE_CHANGED_AT_TIME sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-EA_DUMMY sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-FILE_CONTENT sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-SAVE_AS_URL sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-DOC_PATH sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-READ_ONLY sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-NEW_VERSION sy-vline 
WA_/RPM/TS_API_DOCUMENT_STR-IS_THUMBNAIL sy-vline      INTO ld_text SEPARATED BY SPACE.

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