ABAP Select data from SAP table RMXMS_PLMZ_MR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RMXMS_PLMZ_MR
*  INTO TABLE @DATA(IT_RMXMS_PLMZ_MR2).
*--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_RMXMS_PLMZ_MR INDEX 1 INTO DATA(WA_RMXMS_PLMZ_MR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RMXMS_PLMZ_MR>-DATUV = 1.
<RMXMS_PLMZ_MR>-TECHV = 1.
<RMXMS_PLMZ_MR>-AENNR = 1.
<RMXMS_PLMZ_MR>-LOEKZ = 1.
<RMXMS_PLMZ_MR>-PARKZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RMXMS_PLMZ_MR-WERK_STL, sy-vline,
  WA_RMXMS_PLMZ_MR-ZUDIV, sy-vline,
  WA_RMXMS_PLMZ_MR-ZUMS1, sy-vline,
  WA_RMXMS_PLMZ_MR-ZUMS2, sy-vline,
  WA_RMXMS_PLMZ_MR-ZUMS3, sy-vline,
  WA_RMXMS_PLMZ_MR-ZUMEI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RMXMS_PLMZ_MR 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_RMXMS_PLMZ_MR 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_RMXMS_PLMZ_MR INTO WA_RMXMS_PLMZ_MR.


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

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

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

*Conversion exit MATN1, internal->external for field GP_MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RMXMS_PLMZ_MR-GP_MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXMS_PLMZ_MR-GP_MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field GP_UVORN
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RMXMS_PLMZ_MR-GP_UVORN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXMS_PLMZ_MR-GP_UVORN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AOBAR, internal->external for field AOBAR
CALL FUNCTION 'CONVERSION_EXIT_AOBAR_OUTPUT'
  EXPORTING
    input =                      WA_RMXMS_PLMZ_MR-AOBAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXMS_PLMZ_MR-AOBAR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit NUMCV, internal->external for field STLNR_W
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RMXMS_PLMZ_MR-STLNR_W
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXMS_PLMZ_MR-STLNR_W.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field AENNR_AUS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RMXMS_PLMZ_MR-AENNR_AUS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXMS_PLMZ_MR-AENNR_AUS.
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_RMXMS_PLMZ_MR_STR, 
DATUV TYPE STRING,
TECHV TYPE STRING,
AENNR TYPE STRING,
LOEKZ TYPE STRING,
PARKZ TYPE STRING,
WERK_STL TYPE STRING,
ZUDIV TYPE STRING,
ZUMS1 TYPE STRING,
ZUMS2 TYPE STRING,
ZUMS3 TYPE STRING,
ZUMEI TYPE STRING,
IMENG TYPE STRING,
IMEIN TYPE STRING,
ANDAT TYPE STRING,
ANNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
RGEKZ TYPE STRING,
STLST TYPE STRING,
STLWG TYPE STRING,
REFKN TYPE STRING,
GP_MATNR TYPE STRING,
GP_WERKS TYPE STRING,
GP_UVORN TYPE STRING,
GP_KRIT1 TYPE STRING,
GP_FREET TYPE STRING,
AOBAR TYPE STRING,
ZEINH TYPE STRING,
DAUER TYPE STRING,
DMENG TYPE STRING,
KNTTP TYPE STRING,
FLGEX TYPE STRING,
VORAB TYPE STRING,
STRECKE TYPE STRING,
STLTY_W TYPE STRING,
STLNR_W TYPE STRING,
STLAL_W TYPE STRING,
KANTE TYPE STRING,
LGORT TYPE STRING,
DISP TYPE STRING,
PRODFLOWID TYPE STRING,
VBKZ TYPE STRING,
DATUB TYPE STRING,
AENNR_AUS TYPE STRING,
FLG_SEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RMXMS_PLMZ_MR_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_RMXMS_PLMZ_MR_STR-DATUV sy-vline 
WA_RMXMS_PLMZ_MR_STR-TECHV sy-vline 
WA_RMXMS_PLMZ_MR_STR-AENNR sy-vline 
WA_RMXMS_PLMZ_MR_STR-LOEKZ sy-vline 
WA_RMXMS_PLMZ_MR_STR-PARKZ sy-vline 
WA_RMXMS_PLMZ_MR_STR-WERK_STL sy-vline 
WA_RMXMS_PLMZ_MR_STR-ZUDIV sy-vline 
WA_RMXMS_PLMZ_MR_STR-ZUMS1 sy-vline 
WA_RMXMS_PLMZ_MR_STR-ZUMS2 sy-vline 
WA_RMXMS_PLMZ_MR_STR-ZUMS3 sy-vline 
WA_RMXMS_PLMZ_MR_STR-ZUMEI sy-vline 
WA_RMXMS_PLMZ_MR_STR-IMENG sy-vline 
WA_RMXMS_PLMZ_MR_STR-IMEIN sy-vline 
WA_RMXMS_PLMZ_MR_STR-ANDAT sy-vline 
WA_RMXMS_PLMZ_MR_STR-ANNAM sy-vline 
WA_RMXMS_PLMZ_MR_STR-AEDAT sy-vline 
WA_RMXMS_PLMZ_MR_STR-AENAM sy-vline 
WA_RMXMS_PLMZ_MR_STR-RGEKZ sy-vline 
WA_RMXMS_PLMZ_MR_STR-STLST sy-vline 
WA_RMXMS_PLMZ_MR_STR-STLWG sy-vline 
WA_RMXMS_PLMZ_MR_STR-REFKN sy-vline 
WA_RMXMS_PLMZ_MR_STR-GP_MATNR sy-vline 
WA_RMXMS_PLMZ_MR_STR-GP_WERKS sy-vline 
WA_RMXMS_PLMZ_MR_STR-GP_UVORN sy-vline 
WA_RMXMS_PLMZ_MR_STR-GP_KRIT1 sy-vline 
WA_RMXMS_PLMZ_MR_STR-GP_FREET sy-vline 
WA_RMXMS_PLMZ_MR_STR-AOBAR sy-vline 
WA_RMXMS_PLMZ_MR_STR-ZEINH sy-vline 
WA_RMXMS_PLMZ_MR_STR-DAUER sy-vline 
WA_RMXMS_PLMZ_MR_STR-DMENG sy-vline 
WA_RMXMS_PLMZ_MR_STR-KNTTP sy-vline 
WA_RMXMS_PLMZ_MR_STR-FLGEX sy-vline 
WA_RMXMS_PLMZ_MR_STR-VORAB sy-vline 
WA_RMXMS_PLMZ_MR_STR-STRECKE sy-vline 
WA_RMXMS_PLMZ_MR_STR-STLTY_W sy-vline 
WA_RMXMS_PLMZ_MR_STR-STLNR_W sy-vline 
WA_RMXMS_PLMZ_MR_STR-STLAL_W sy-vline 
WA_RMXMS_PLMZ_MR_STR-KANTE sy-vline 
WA_RMXMS_PLMZ_MR_STR-LGORT sy-vline 
WA_RMXMS_PLMZ_MR_STR-DISP sy-vline 
WA_RMXMS_PLMZ_MR_STR-PRODFLOWID sy-vline 
WA_RMXMS_PLMZ_MR_STR-VBKZ sy-vline 
WA_RMXMS_PLMZ_MR_STR-DATUB sy-vline 
WA_RMXMS_PLMZ_MR_STR-AENNR_AUS sy-vline 
WA_RMXMS_PLMZ_MR_STR-FLG_SEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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