ABAP Select data from SAP table U_14200 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP U_14200 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_14200. 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_14200 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_14200 TYPE STANDARD TABLE OF U_14200,
      WA_U_14200 TYPE U_14200,
      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_14200> TYPE U_14200.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_U_14200.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM U_14200
  INTO TABLE IT_U_14200.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM U_14200
*  INTO TABLE @DATA(IT_U_142002).
*--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_14200 INDEX 1 INTO DATA(WA_U_142002).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_U_14200 ASSIGNING <U_14200>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<U_14200>-MANDT = 1.
<U_14200>-KOKRS = 1.
<U_14200>-PRZNR = 1.
<U_14200>-DATBI = 1.
<U_14200>-DATAB = 1.

ENDLOOP.

LOOP AT IT_U_14200 INTO WA_U_14200.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_U_14200-ERFDT, sy-vline,
  WA_U_14200-ERFNM, sy-vline,
  WA_U_14200-AENDT, sy-vline,
  WA_U_14200-AENNM, sy-vline,
  WA_U_14200-OBJNR, sy-vline,
  WA_U_14200-OWAER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_U_14200 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_14200 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_14200 INTO WA_U_14200.


*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 ALPHA, internal->external for field PRZNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_U_14200-PRZNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_14200-PRZNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_U_14200-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_U_14200-SPRAS.
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_14200_STR, 
MANDT TYPE STRING,
KOKRS TYPE STRING,
PRZNR TYPE STRING,
DATBI TYPE STRING,
DATAB TYPE STRING,
ERFDT TYPE STRING,
ERFNM TYPE STRING,
AENDT TYPE STRING,
AENNM TYPE STRING,
OBJNR TYPE STRING,
OWAER TYPE STRING,
VERAP TYPE STRING,
BUKRS TYPE STRING,
GSBER TYPE STRING,
PHINR TYPE STRING,
ATTR1 TYPE STRING,
ATTR2 TYPE STRING,
SPRAS TYPE STRING,
KTEXT TYPE STRING,
LTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_U_14200_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_14200_STR-MANDT sy-vline 
WA_U_14200_STR-KOKRS sy-vline 
WA_U_14200_STR-PRZNR sy-vline 
WA_U_14200_STR-DATBI sy-vline 
WA_U_14200_STR-DATAB sy-vline 
WA_U_14200_STR-ERFDT sy-vline 
WA_U_14200_STR-ERFNM sy-vline 
WA_U_14200_STR-AENDT sy-vline 
WA_U_14200_STR-AENNM sy-vline 
WA_U_14200_STR-OBJNR sy-vline 
WA_U_14200_STR-OWAER sy-vline 
WA_U_14200_STR-VERAP sy-vline 
WA_U_14200_STR-BUKRS sy-vline 
WA_U_14200_STR-GSBER sy-vline 
WA_U_14200_STR-PHINR sy-vline 
WA_U_14200_STR-ATTR1 sy-vline 
WA_U_14200_STR-ATTR2 sy-vline 
WA_U_14200_STR-SPRAS sy-vline 
WA_U_14200_STR-KTEXT sy-vline 
WA_U_14200_STR-LTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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