ABAP Select data from SAP table RMXTS_OTPT_TRSI_RESMCO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RMXTS_OTPT_TRSI_RESMCO
*  INTO TABLE @DATA(IT_RMXTS_OTPT_TRSI_RESMCO2).
*--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_RMXTS_OTPT_TRSI_RESMCO INDEX 1 INTO DATA(WA_RMXTS_OTPT_TRSI_RESMCO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RMXTS_OTPT_TRSI_RESMCO>-STAGE = 1.
<RMXTS_OTPT_TRSI_RESMCO>-STAGE_TEXT = 1.
<RMXTS_OTPT_TRSI_RESMCO>-OPERATION = 1.
<RMXTS_OTPT_TRSI_RESMCO>-OPERATION_TEXT = 1.
<RMXTS_OTPT_TRSI_RESMCO>-ACTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RMXTS_OTPT_TRSI_RESMCO-ACTION_TEXT, sy-vline,
  WA_RMXTS_OTPT_TRSI_RESMCO-SORTNR, sy-vline,
  WA_RMXTS_OTPT_TRSI_RESMCO-MATNR, sy-vline,
  WA_RMXTS_OTPT_TRSI_RESMCO-MAKTX, sy-vline,
  WA_RMXTS_OTPT_TRSI_RESMCO-STREAM_DEST, sy-vline,
  WA_RMXTS_OTPT_TRSI_RESMCO-SUBID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RMXTS_OTPT_TRSI_RESMCO 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_RMXTS_OTPT_TRSI_RESMCO 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_RMXTS_OTPT_TRSI_RESMCO INTO WA_RMXTS_OTPT_TRSI_RESMCO.


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

*Conversion exit SPEC1, internal->external for field SUBID
CALL FUNCTION 'CONVERSION_EXIT_SPEC1_OUTPUT'
  EXPORTING
    input =                      WA_RMXTS_OTPT_TRSI_RESMCO-SUBID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXTS_OTPT_TRSI_RESMCO-SUBID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RMXTS_OTPT_TRSI_RESMCO-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMXTS_OTPT_TRSI_RESMCO-UNIT.
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_RMXTS_OTPT_TRSI_RESMCO_STR, 
STAGE TYPE STRING,
STAGE_TEXT TYPE STRING,
OPERATION TYPE STRING,
OPERATION_TEXT TYPE STRING,
ACTION TYPE STRING,
ACTION_TEXT TYPE STRING,
SORTNR TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
STREAM_DEST TYPE STRING,
SUBID TYPE STRING,
IDENT TYPE STRING,
USE_TYPE TYPE STRING,
USE_TYPE_TEXT TYPE STRING,
CHARGE_NR TYPE STRING,
UNIT TYPE STRING,
COMP_ADPT1 TYPE STRING,
MASS_PERC1 TYPE STRING,
VOL_PERC1 TYPE STRING,
TS_PERC1 TYPE STRING,
COMP_ADPT2 TYPE STRING,
MASS_PERC2 TYPE STRING,
VOL_PERC2 TYPE STRING,
TS_PERC2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RMXTS_OTPT_TRSI_RESMCO_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_RMXTS_OTPT_TRSI_RESMCO_STR-STAGE sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-STAGE_TEXT sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-OPERATION sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-OPERATION_TEXT sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-ACTION sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-ACTION_TEXT sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-SORTNR sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-MATNR sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-MAKTX sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-STREAM_DEST sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-SUBID sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-IDENT sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-USE_TYPE sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-USE_TYPE_TEXT sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-CHARGE_NR sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-UNIT sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-COMP_ADPT1 sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-MASS_PERC1 sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-VOL_PERC1 sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-TS_PERC1 sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-COMP_ADPT2 sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-MASS_PERC2 sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-VOL_PERC2 sy-vline 
WA_RMXTS_OTPT_TRSI_RESMCO_STR-TS_PERC2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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