ABAP Select data from SAP table RJHAMOTOX_INTERNAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJHAMOTOX_INTERNAL
*  INTO TABLE @DATA(IT_RJHAMOTOX_INTERNAL2).
*--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_RJHAMOTOX_INTERNAL INDEX 1 INTO DATA(WA_RJHAMOTOX_INTERNAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJHAMOTOX_INTERNAL>-MANDT = 1.
<RJHAMOTOX_INTERNAL>-AVM_NR = 1.
<RJHAMOTOX_INTERNAL>-MOTIV = 1.
<RJHAMOTOX_INTERNAL>-UPDATEFLAG = 1.
<RJHAMOTOX_INTERNAL>-MOTIVID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJHAMOTOX_INTERNAL-NOTIZ, sy-vline,
  WA_RJHAMOTOX_INTERNAL-DRVORL_NR, sy-vline,
  WA_RJHAMOTOX_INTERNAL-HOEHE_S, sy-vline,
  WA_RJHAMOTOX_INTERNAL-HOEHE_S_EH, sy-vline,
  WA_RJHAMOTOX_INTERNAL-BREITE_S, sy-vline,
  WA_RJHAMOTOX_INTERNAL-BREITE_SEH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJHAMOTOX_INTERNAL 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_RJHAMOTOX_INTERNAL 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_RJHAMOTOX_INTERNAL INTO WA_RJHAMOTOX_INTERNAL.


*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 AVM_NR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJHAMOTOX_INTERNAL-AVM_NR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJHAMOTOX_INTERNAL-AVM_NR.
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_RJHAMOTOX_INTERNAL_STR, 
MANDT TYPE STRING,
AVM_NR TYPE STRING,
MOTIV TYPE STRING,
UPDATEFLAG TYPE STRING,
MOTIVID TYPE STRING,
NOTIZ TYPE STRING,
DRVORL_NR TYPE STRING,
HOEHE_S TYPE STRING,
HOEHE_S_EH TYPE STRING,
BREITE_S TYPE STRING,
BREITE_SEH TYPE STRING,
FORMAT_ONL TYPE STRING,
LINK_URL TYPE STRING,
GROESSE TYPE STRING,
GROESSE_UNIT TYPE STRING,
CLICK_TEXT TYPE STRING,
ALTERN_TEXT TYPE STRING,
TMOT_KENNZ TYPE STRING,
TMOT_NR TYPE STRING,
TMOT_ANZ TYPE STRING,
TMOT_BEZUG TYPE STRING,
TMOT_LAGE TYPE STRING,
TMOT_KOMM TYPE STRING,
STICHW TYPE STRING,
PRODH TYPE STRING,
XPRNOTW TYPE STRING,
MERKMAL0 TYPE STRING,
MERKMAL1 TYPE STRING,
MERKMAL2 TYPE STRING,
MERKMAL3 TYPE STRING,
MERKMAL4 TYPE STRING,
MERKMAL5 TYPE STRING,
MERKMAL6 TYPE STRING,
MERKMAL7 TYPE STRING,
MERKMAL8 TYPE STRING,
MERKMAL9 TYPE STRING,
XSTORNIERT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJHAMOTOX_INTERNAL_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_RJHAMOTOX_INTERNAL_STR-MANDT sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-AVM_NR sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MOTIV sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-UPDATEFLAG sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MOTIVID sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-NOTIZ sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-DRVORL_NR sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-HOEHE_S sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-HOEHE_S_EH sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-BREITE_S sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-BREITE_SEH sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-FORMAT_ONL sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-LINK_URL sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-GROESSE sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-GROESSE_UNIT sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-CLICK_TEXT sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-ALTERN_TEXT sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-TMOT_KENNZ sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-TMOT_NR sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-TMOT_ANZ sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-TMOT_BEZUG sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-TMOT_LAGE sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-TMOT_KOMM sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-STICHW sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-PRODH sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-XPRNOTW sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MERKMAL0 sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MERKMAL1 sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MERKMAL2 sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MERKMAL3 sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MERKMAL4 sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MERKMAL5 sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MERKMAL6 sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MERKMAL7 sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MERKMAL8 sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-MERKMAL9 sy-vline 
WA_RJHAMOTOX_INTERNAL_STR-XSTORNIERT sy-vline      INTO ld_text SEPARATED BY SPACE.

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