ABAP Select data from SAP table UPWB_YS_MIME into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UPWB_YS_MIME
*  INTO TABLE @DATA(IT_UPWB_YS_MIME2).
*--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_UPWB_YS_MIME INDEX 1 INTO DATA(WA_UPWB_YS_MIME2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UPWB_YS_MIME>-NUM = 1.
<UPWB_YS_MIME>-PHIO = 1.
<UPWB_YS_MIME>-OBJTYPE = 1.
<UPWB_YS_MIME>-CLASS = 1.
<UPWB_YS_MIME>-OBJID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UPWB_YS_MIME-PPHIO, sy-vline,
  WA_UPWB_YS_MIME-OBJTYPE, sy-vline,
  WA_UPWB_YS_MIME-CLASS, sy-vline,
  WA_UPWB_YS_MIME-OBJID, sy-vline,
  WA_UPWB_YS_MIME-DOCNAME, sy-vline,
  WA_UPWB_YS_MIME-DESCRIPTION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UPWB_YS_MIME 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_UPWB_YS_MIME 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_UPWB_YS_MIME INTO WA_UPWB_YS_MIME.


*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_UPWB_YS_MIME_STR, 
NUM TYPE STRING,
PHIO TYPE STRING,
OBJTYPE TYPE STRING,
CLASS TYPE STRING,
OBJID TYPE STRING,
PPHIO TYPE STRING,
OBJTYPE TYPE STRING,
CLASS TYPE STRING,
OBJID TYPE STRING,
DOCNAME TYPE STRING,
DESCRIPTION TYPE STRING,
DESCRIPT TYPE STRING,
FILENAME TYPE STRING,
FILESIZE TYPE STRING,
MIMETYPE TYPE STRING,
BIN_DATA TYPE STRING,
ASCII_DATA TYPE STRING,
RELATIVE_PATH TYPE STRING,
FOLDER TYPE STRING,
OBJTYPE TYPE STRING,
CLASS TYPE STRING,
OBJID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UPWB_YS_MIME_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_UPWB_YS_MIME_STR-NUM sy-vline 
WA_UPWB_YS_MIME_STR-PHIO sy-vline 
WA_UPWB_YS_MIME_STR-OBJTYPE sy-vline 
WA_UPWB_YS_MIME_STR-CLASS sy-vline 
WA_UPWB_YS_MIME_STR-OBJID sy-vline 
WA_UPWB_YS_MIME_STR-PPHIO sy-vline 
WA_UPWB_YS_MIME_STR-OBJTYPE sy-vline 
WA_UPWB_YS_MIME_STR-CLASS sy-vline 
WA_UPWB_YS_MIME_STR-OBJID sy-vline 
WA_UPWB_YS_MIME_STR-DOCNAME sy-vline 
WA_UPWB_YS_MIME_STR-DESCRIPTION sy-vline 
WA_UPWB_YS_MIME_STR-DESCRIPT sy-vline 
WA_UPWB_YS_MIME_STR-FILENAME sy-vline 
WA_UPWB_YS_MIME_STR-FILESIZE sy-vline 
WA_UPWB_YS_MIME_STR-MIMETYPE sy-vline 
WA_UPWB_YS_MIME_STR-BIN_DATA sy-vline 
WA_UPWB_YS_MIME_STR-ASCII_DATA sy-vline 
WA_UPWB_YS_MIME_STR-RELATIVE_PATH sy-vline 
WA_UPWB_YS_MIME_STR-FOLDER sy-vline 
WA_UPWB_YS_MIME_STR-OBJTYPE sy-vline 
WA_UPWB_YS_MIME_STR-CLASS sy-vline 
WA_UPWB_YS_MIME_STR-OBJID sy-vline      INTO ld_text SEPARATED BY SPACE.

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