ABAP Select data from SAP table MPES_RTGV_DRAFT_CHA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MPES_RTGV_DRAFT_CHA
*  INTO TABLE @DATA(IT_MPES_RTGV_DRAFT_CHA2).
*--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_MPES_RTGV_DRAFT_CHA INDEX 1 INTO DATA(WA_MPES_RTGV_DRAFT_CHA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MPES_RTGV_DRAFT_CHA>-PLNTY = 1.
<MPES_RTGV_DRAFT_CHA>-PLNNR = 1.
<MPES_RTGV_DRAFT_CHA>-PLNAL = 1.
<MPES_RTGV_DRAFT_CHA>-VERSN = 1.
<MPES_RTGV_DRAFT_CHA>-PLNFL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MPES_RTGV_DRAFT_CHA-PLNKN, sy-vline,
  WA_MPES_RTGV_DRAFT_CHA-KZEINSTELL, sy-vline,
  WA_MPES_RTGV_DRAFT_CHA-MERKNR, sy-vline,
  WA_MPES_RTGV_DRAFT_CHA-QMTB_WERKS, sy-vline,
  WA_MPES_RTGV_DRAFT_CHA-MERKGEW, sy-vline,
  WA_MPES_RTGV_DRAFT_CHA-KURZTEXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MPES_RTGV_DRAFT_CHA 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_MPES_RTGV_DRAFT_CHA 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_MPES_RTGV_DRAFT_CHA INTO WA_MPES_RTGV_DRAFT_CHA.


*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 PLNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MPES_RTGV_DRAFT_CHA-PLNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPES_RTGV_DRAFT_CHA-PLNNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field MASSEINHSW
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MPES_RTGV_DRAFT_CHA-MASSEINHSW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPES_RTGV_DRAFT_CHA-MASSEINHSW.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field PROBEMGEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MPES_RTGV_DRAFT_CHA-PROBEMGEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MPES_RTGV_DRAFT_CHA-PROBEMGEH.
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_MPES_RTGV_DRAFT_CHA_STR, 
PLNTY TYPE STRING,
PLNNR TYPE STRING,
PLNAL TYPE STRING,
VERSN TYPE STRING,
PLNFL TYPE STRING,
PLNKN TYPE STRING,
KZEINSTELL TYPE STRING,
MERKNR TYPE STRING,
QMTB_WERKS TYPE STRING,
MERKGEW TYPE STRING,
KURZTEXT TYPE STRING,
TOLERANZSL TYPE STRING,
STELLEN TYPE STRING,
MASSEINHSW TYPE STRING,
SOLLWERT TYPE STRING,
TOLERANZOB TYPE STRING,
TOLERANZUN TYPE STRING,
SOLLWNI TYPE STRING,
TOLOBNI TYPE STRING,
TOLUNNI TYPE STRING,
QPMK_ZAEHL TYPE STRING,
VERWMERKM TYPE STRING,
MKVERSION TYPE STRING,
QPMK_REF TYPE STRING,
DUMMY10 TYPE STRING,
DUMMY20 TYPE STRING,
DUMMY40 TYPE STRING,
LOEKZ TYPE STRING,
STICHPRVER TYPE STRING,
PROBEMGEH TYPE STRING,
PRUEFEINH TYPE STRING,
STEUERKZ TYPE STRING,
QUANTITAT TYPE STRING,
MESSWERTE TYPE STRING,
PRUEFKAT TYPE STRING,
TOLEROBEN TYPE STRING,
TOLERUNTEN TYPE STRING,
SOLLPRUEF TYPE STRING,
ESTUKZ TYPE STRING,
RZWANG TYPE STRING,
FORMELMK TYPE STRING,
STICHPR TYPE STRING,
FIXIERT TYPE STRING,
PMMZWANG TYPE STRING,
FEHLREC TYPE STRING,
QSPCMK TYPE STRING,
CODEGRQUAL TYPE STRING,
CODEQUAL TYPE STRING,
CODEGR9O TYPE STRING,
CODE9O TYPE STRING,
CODEGR9U TYPE STRING,
CODE9U TYPE STRING,
AUSWMENGE1 TYPE STRING,
AUSWMGWRK1 TYPE STRING,
KATALGART2 TYPE STRING,
AUSWMENGE2 TYPE STRING,
AUSWMGWRK2 TYPE STRING,
KATALGART3 TYPE STRING,
AUSWMENGE3 TYPE STRING,
AUSWMGWRK3 TYPE STRING,
KATALGART4 TYPE STRING,
AUSWMENGE4 TYPE STRING,
AUSWMGWRK4 TYPE STRING,
KATALGART5 TYPE STRING,
AUSWMENGE5 TYPE STRING,
AUSWMGWRK5 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MPES_RTGV_DRAFT_CHA_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_MPES_RTGV_DRAFT_CHA_STR-PLNTY sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-PLNNR sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-PLNAL sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-VERSN sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-PLNFL sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-PLNKN sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-KZEINSTELL sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-MERKNR sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-QMTB_WERKS sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-MERKGEW sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-KURZTEXT sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-TOLERANZSL sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-STELLEN sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-MASSEINHSW sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-SOLLWERT sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-TOLERANZOB sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-TOLERANZUN sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-SOLLWNI sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-TOLOBNI sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-TOLUNNI sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-QPMK_ZAEHL sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-VERWMERKM sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-MKVERSION sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-QPMK_REF sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-DUMMY10 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-DUMMY20 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-DUMMY40 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-LOEKZ sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-STICHPRVER sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-PROBEMGEH sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-PRUEFEINH sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-STEUERKZ sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-QUANTITAT sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-MESSWERTE sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-PRUEFKAT sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-TOLEROBEN sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-TOLERUNTEN sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-SOLLPRUEF sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-ESTUKZ sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-RZWANG sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-FORMELMK sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-STICHPR sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-FIXIERT sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-PMMZWANG sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-FEHLREC sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-QSPCMK sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-CODEGRQUAL sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-CODEQUAL sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-CODEGR9O sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-CODE9O sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-CODEGR9U sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-CODE9U sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-AUSWMENGE1 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-AUSWMGWRK1 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-KATALGART2 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-AUSWMENGE2 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-AUSWMGWRK2 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-KATALGART3 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-AUSWMENGE3 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-AUSWMGWRK3 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-KATALGART4 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-AUSWMENGE4 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-AUSWMGWRK4 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-KATALGART5 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-AUSWMENGE5 sy-vline 
WA_MPES_RTGV_DRAFT_CHA_STR-AUSWMGWRK5 sy-vline      INTO ld_text SEPARATED BY SPACE.

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