ABAP Select data from SAP table U_27629 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP U_27629 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_27629. 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_27629 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_27629 TYPE STANDARD TABLE OF U_27629,
      WA_U_27629 TYPE U_27629,
      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_27629> TYPE U_27629.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_U_27629.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM U_27629
  INTO TABLE IT_U_27629.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM U_27629
*  INTO TABLE @DATA(IT_U_276292).
*--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_27629 INDEX 1 INTO DATA(WA_U_276292).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_U_27629 ASSIGNING <U_27629>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<U_27629>-MANDT = 1.
<U_27629>-PLVAR = 1.
<U_27629>-OTYPE = 1.
<U_27629>-OBJID = 1.
<U_27629>-REPAIR = 1.

ENDLOOP.

LOOP AT IT_U_27629 INTO WA_U_27629.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_U_27629-SUBTY, sy-vline,
  WA_U_27629-LANGU, sy-vline,
  WA_U_27629-TABNR, sy-vline,
  WA_U_27629-TABSEQNR, sy-vline,
  WA_U_27629-TLINE, sy-vline,
  WA_U_27629-TFORMAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_U_27629 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_27629 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_27629 INTO WA_U_27629.


*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_27629-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_27629-LANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field LANGU_EVENT
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_U_27629-LANGU_EVENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_27629-LANGU_EVENT.
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_27629_STR, 
MANDT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
REPAIR TYPE STRING,
SUBTY TYPE STRING,
LANGU TYPE STRING,
TABNR TYPE STRING,
TABSEQNR TYPE STRING,
TLINE TYPE STRING,
TFORMAT TYPE STRING,
RSIGN TYPE STRING,
RELAT TYPE STRING,
SCLAS TYPE STRING,
SOBID TYPE STRING,
ISTAT TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
VARYF TYPE STRING,
SEQNR TYPE STRING,
INFTY TYPE STRING,
OTJID TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
REASN TYPE STRING,
HISTO TYPE STRING,
ITXNR TYPE STRING,
LANGU_EVENT TYPE STRING,
LOCKM TYPE STRING,
DELET TYPE STRING,
EXTRN TYPE STRING,
TEILX TYPE STRING,
CANCR TYPE STRING,
BCONT TYPE STRING,
WCONT TYPE STRING,
NCONT TYPE STRING,
UPDAX TYPE STRING,
FLUPX TYPE STRING,
COND1 TYPE STRING,
COND2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_U_27629_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_27629_STR-MANDT sy-vline 
WA_U_27629_STR-PLVAR sy-vline 
WA_U_27629_STR-OTYPE sy-vline 
WA_U_27629_STR-OBJID sy-vline 
WA_U_27629_STR-REPAIR sy-vline 
WA_U_27629_STR-SUBTY sy-vline 
WA_U_27629_STR-LANGU sy-vline 
WA_U_27629_STR-TABNR sy-vline 
WA_U_27629_STR-TABSEQNR sy-vline 
WA_U_27629_STR-TLINE sy-vline 
WA_U_27629_STR-TFORMAT sy-vline 
WA_U_27629_STR-RSIGN sy-vline 
WA_U_27629_STR-RELAT sy-vline 
WA_U_27629_STR-SCLAS sy-vline 
WA_U_27629_STR-SOBID sy-vline 
WA_U_27629_STR-ISTAT sy-vline 
WA_U_27629_STR-BEGDA sy-vline 
WA_U_27629_STR-ENDDA sy-vline 
WA_U_27629_STR-VARYF sy-vline 
WA_U_27629_STR-SEQNR sy-vline 
WA_U_27629_STR-INFTY sy-vline 
WA_U_27629_STR-OTJID sy-vline 
WA_U_27629_STR-AEDTM sy-vline 
WA_U_27629_STR-UNAME sy-vline 
WA_U_27629_STR-REASN sy-vline 
WA_U_27629_STR-HISTO sy-vline 
WA_U_27629_STR-ITXNR sy-vline 
WA_U_27629_STR-LANGU_EVENT sy-vline 
WA_U_27629_STR-LOCKM sy-vline 
WA_U_27629_STR-DELET sy-vline 
WA_U_27629_STR-EXTRN sy-vline 
WA_U_27629_STR-TEILX sy-vline 
WA_U_27629_STR-CANCR sy-vline 
WA_U_27629_STR-BCONT sy-vline 
WA_U_27629_STR-WCONT sy-vline 
WA_U_27629_STR-NCONT sy-vline 
WA_U_27629_STR-UPDAX sy-vline 
WA_U_27629_STR-FLUPX sy-vline 
WA_U_27629_STR-COND1 sy-vline 
WA_U_27629_STR-COND2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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