ABAP Select data from SAP table U_27650 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP U_27650 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 U_27650. 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 U_27650 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_U_27650 TYPE STANDARD TABLE OF U_27650,
      WA_U_27650 TYPE U_27650,
      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: <U_27650> TYPE U_27650.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_U_27650.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM U_27650
  INTO TABLE IT_U_27650.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM U_27650
*  INTO TABLE @DATA(IT_U_276502).
*--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_U_27650 INDEX 1 INTO DATA(WA_U_276502).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_U_27650 ASSIGNING <U_27650>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<U_27650>-MANDT = 1.
<U_27650>-PLVAR = 1.
<U_27650>-OTYPE = 1.
<U_27650>-OBJID = 1.
<U_27650>-REPAIR = 1.

ENDLOOP.

LOOP AT IT_U_27650 INTO WA_U_27650.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_U_27650-GDATE, sy-vline,
  WA_U_27650-MC_SHORT, sy-vline,
  WA_U_27650-MC_STEXT, sy-vline,
  WA_U_27650-MC_SEARK, sy-vline,
  WA_U_27650-SUBTY, sy-vline,
  WA_U_27650-LANGU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_U_27650 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_U_27650 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_U_27650 INTO WA_U_27650.


*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 LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_U_27650-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_27650-LANGU.
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_U_27650_STR, 
MANDT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
REPAIR TYPE STRING,
GDATE TYPE STRING,
MC_SHORT TYPE STRING,
MC_STEXT TYPE STRING,
MC_SEARK TYPE STRING,
SUBTY TYPE STRING,
LANGU TYPE STRING,
TABNR TYPE STRING,
TABSEQNR TYPE STRING,
TLINE TYPE STRING,
TFORMAT TYPE STRING,
ISTAT TYPE STRING,
PRIOX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
VARYF TYPE STRING,
SEQNR TYPE STRING,
INFTY TYPE STRING,
OTJID TYPE STRING,
SUBTY_1001 TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
REASN TYPE STRING,
HISTO TYPE STRING,
ITXNR TYPE STRING,
SCLAS TYPE STRING,
SOBID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_U_27650_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_U_27650_STR-MANDT sy-vline 
WA_U_27650_STR-PLVAR sy-vline 
WA_U_27650_STR-OTYPE sy-vline 
WA_U_27650_STR-OBJID sy-vline 
WA_U_27650_STR-REPAIR sy-vline 
WA_U_27650_STR-GDATE sy-vline 
WA_U_27650_STR-MC_SHORT sy-vline 
WA_U_27650_STR-MC_STEXT sy-vline 
WA_U_27650_STR-MC_SEARK sy-vline 
WA_U_27650_STR-SUBTY sy-vline 
WA_U_27650_STR-LANGU sy-vline 
WA_U_27650_STR-TABNR sy-vline 
WA_U_27650_STR-TABSEQNR sy-vline 
WA_U_27650_STR-TLINE sy-vline 
WA_U_27650_STR-TFORMAT sy-vline 
WA_U_27650_STR-ISTAT sy-vline 
WA_U_27650_STR-PRIOX sy-vline 
WA_U_27650_STR-BEGDA sy-vline 
WA_U_27650_STR-ENDDA sy-vline 
WA_U_27650_STR-VARYF sy-vline 
WA_U_27650_STR-SEQNR sy-vline 
WA_U_27650_STR-INFTY sy-vline 
WA_U_27650_STR-OTJID sy-vline 
WA_U_27650_STR-SUBTY_1001 sy-vline 
WA_U_27650_STR-AEDTM sy-vline 
WA_U_27650_STR-UNAME sy-vline 
WA_U_27650_STR-REASN sy-vline 
WA_U_27650_STR-HISTO sy-vline 
WA_U_27650_STR-ITXNR sy-vline 
WA_U_27650_STR-SCLAS sy-vline 
WA_U_27650_STR-SOBID sy-vline      INTO ld_text SEPARATED BY SPACE.

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