ABAP Select data from SAP table RMCY1 into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

Below is a number of ABAP code snippets to demonstrate how to select data from SAP RMCY1 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 RMCY1. 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 RMCY1 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_RMCY1 TYPE STANDARD TABLE OF RMCY1,
      WA_RMCY1 TYPE RMCY1,
      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: <RMCY1> TYPE RMCY1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RMCY1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RMCY1
  INTO TABLE IT_RMCY1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RMCY1
*  INTO TABLE @DATA(IT_RMCY12).
*--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_RMCY1 INDEX 1 INTO DATA(WA_RMCY12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RMCY1 ASSIGNING <RMCY1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RMCY1>-GSTRU = 1.
<RMCY1>-EXCEP = 1.
<RMCY1>-MCINF = 1.
<RMCY1>-ISTXT = 1.
<RMCY1>-KTEXT = 1.

ENDLOOP.

LOOP AT IT_RMCY1 INTO WA_RMCY1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RMCY1-O_MERKO, sy-vline,
  WA_RMCY1-O_MERKM, sy-vline,
  WA_RMCY1-O_BEDTR, sy-vline,
  WA_RMCY1-O_BEDWE, sy-vline,
  WA_RMCY1-XMERKM, sy-vline,
  WA_RMCY1-XATTRI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RMCY1 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_RMCY1 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_RMCY1 INTO WA_RMCY1.


*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 SXIDN, internal->external for field MNAME
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_RMCY1-MNAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RMCY1-MNAME.
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_RMCY1_STR, 
GSTRU TYPE STRING,
EXCEP TYPE STRING,
MCINF TYPE STRING,
ISTXT TYPE STRING,
KTEXT TYPE STRING,
O_MERKO TYPE STRING,
O_MERKM TYPE STRING,
O_BEDTR TYPE STRING,
O_BEDWE TYPE STRING,
XMERKM TYPE STRING,
XATTRI TYPE STRING,
XKENNZ TYPE STRING,
XKTREND TYPE STRING,
KENNZAHL TYPE STRING,
MERKMAL TYPE STRING,
OPTION TYPE STRING,
KWERT TYPE STRING,
XFARBE TYPE STRING,
FARBE TYPE STRING,
XMAIL TYPE STRING,
MNAME TYPE STRING,
XFAX TYPE STRING,
FAXNR TYPE STRING,
WAERS TYPE STRING,
XTAGL TYPE STRING,
XWOCH TYPE STRING,
XMONAT TYPE STRING,
ALISTE TYPE STRING,
ASYSTEM TYPE STRING,
AEVENT TYPE STRING,
UEXCEP TYPE STRING,
UKTEXT TYPE STRING,
ANZPER TYPE STRING,
TREND TYPE STRING,
AKTPER TYPE STRING,
XMERKW TYPE STRING,
XSTUND TYPE STRING,
XZUORD TYPE STRING,
STATI TYPE STRING,
KUSRT TYPE STRING,
MCPER TYPE STRING,
TVERKN TYPE STRING,
XUND TYPE STRING,
XODER TYPE STRING,
XKENZW TYPE STRING,
REFEXCEP TYPE STRING,
REFMCINF TYPE STRING,
OEXCEP TYPE STRING,
OKTEXT TYPE STRING,
ASYSANA TYPE STRING,
PERRI TYPE STRING,
WORKF TYPE STRING,
XZUKU TYPE STRING,
XVERG TYPE STRING,
VMERK32 TYPE STRING,
BMERK32 TYPE STRING,
MERK_OP TYPE STRING,
KENZ_OP TYPE STRING,
REC_FAX TYPE STRING,
REC_STATE TYPE STRING,
TDFORM TYPE STRING,
VERWEN TYPE STRING,
XSELEB TYPE STRING,
O_BEDPIV TYPE STRING,
PWERT TYPE STRING,
VRSIO TYPE STRING,
VETXT TYPE STRING,
VEXCEP TYPE STRING,
ANZPROGPER TYPE STRING,
XESKA TYPE STRING,
BEDTEXT TYPE STRING,
UMCPER TYPE STRING,
DLINAM TYPE STRING,
XDLI TYPE STRING,
UDLINAM TYPE STRING,
MCAPP TYPE STRING,
SINGL TYPE STRING,
MCPERZ TYPE STRING,
WORKF_IND TYPE STRING,
WORKF_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RMCY1_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_RMCY1_STR-GSTRU sy-vline 
WA_RMCY1_STR-EXCEP sy-vline 
WA_RMCY1_STR-MCINF sy-vline 
WA_RMCY1_STR-ISTXT sy-vline 
WA_RMCY1_STR-KTEXT sy-vline 
WA_RMCY1_STR-O_MERKO sy-vline 
WA_RMCY1_STR-O_MERKM sy-vline 
WA_RMCY1_STR-O_BEDTR sy-vline 
WA_RMCY1_STR-O_BEDWE sy-vline 
WA_RMCY1_STR-XMERKM sy-vline 
WA_RMCY1_STR-XATTRI sy-vline 
WA_RMCY1_STR-XKENNZ sy-vline 
WA_RMCY1_STR-XKTREND sy-vline 
WA_RMCY1_STR-KENNZAHL sy-vline 
WA_RMCY1_STR-MERKMAL sy-vline 
WA_RMCY1_STR-OPTION sy-vline 
WA_RMCY1_STR-KWERT sy-vline 
WA_RMCY1_STR-XFARBE sy-vline 
WA_RMCY1_STR-FARBE sy-vline 
WA_RMCY1_STR-XMAIL sy-vline 
WA_RMCY1_STR-MNAME sy-vline 
WA_RMCY1_STR-XFAX sy-vline 
WA_RMCY1_STR-FAXNR sy-vline 
WA_RMCY1_STR-WAERS sy-vline 
WA_RMCY1_STR-XTAGL sy-vline 
WA_RMCY1_STR-XWOCH sy-vline 
WA_RMCY1_STR-XMONAT sy-vline 
WA_RMCY1_STR-ALISTE sy-vline 
WA_RMCY1_STR-ASYSTEM sy-vline 
WA_RMCY1_STR-AEVENT sy-vline 
WA_RMCY1_STR-UEXCEP sy-vline 
WA_RMCY1_STR-UKTEXT sy-vline 
WA_RMCY1_STR-ANZPER sy-vline 
WA_RMCY1_STR-TREND sy-vline 
WA_RMCY1_STR-AKTPER sy-vline 
WA_RMCY1_STR-XMERKW sy-vline 
WA_RMCY1_STR-XSTUND sy-vline 
WA_RMCY1_STR-XZUORD sy-vline 
WA_RMCY1_STR-STATI sy-vline 
WA_RMCY1_STR-KUSRT sy-vline 
WA_RMCY1_STR-MCPER sy-vline 
WA_RMCY1_STR-TVERKN sy-vline 
WA_RMCY1_STR-XUND sy-vline 
WA_RMCY1_STR-XODER sy-vline 
WA_RMCY1_STR-XKENZW sy-vline 
WA_RMCY1_STR-REFEXCEP sy-vline 
WA_RMCY1_STR-REFMCINF sy-vline 
WA_RMCY1_STR-OEXCEP sy-vline 
WA_RMCY1_STR-OKTEXT sy-vline 
WA_RMCY1_STR-ASYSANA sy-vline 
WA_RMCY1_STR-PERRI sy-vline 
WA_RMCY1_STR-WORKF sy-vline 
WA_RMCY1_STR-XZUKU sy-vline 
WA_RMCY1_STR-XVERG sy-vline 
WA_RMCY1_STR-VMERK32 sy-vline 
WA_RMCY1_STR-BMERK32 sy-vline 
WA_RMCY1_STR-MERK_OP sy-vline 
WA_RMCY1_STR-KENZ_OP sy-vline 
WA_RMCY1_STR-REC_FAX sy-vline 
WA_RMCY1_STR-REC_STATE sy-vline 
WA_RMCY1_STR-TDFORM sy-vline 
WA_RMCY1_STR-VERWEN sy-vline 
WA_RMCY1_STR-XSELEB sy-vline 
WA_RMCY1_STR-O_BEDPIV sy-vline 
WA_RMCY1_STR-PWERT sy-vline 
WA_RMCY1_STR-VRSIO sy-vline 
WA_RMCY1_STR-VETXT sy-vline 
WA_RMCY1_STR-VEXCEP sy-vline 
WA_RMCY1_STR-ANZPROGPER sy-vline 
WA_RMCY1_STR-XESKA sy-vline 
WA_RMCY1_STR-BEDTEXT sy-vline 
WA_RMCY1_STR-UMCPER sy-vline 
WA_RMCY1_STR-DLINAM sy-vline 
WA_RMCY1_STR-XDLI sy-vline 
WA_RMCY1_STR-UDLINAM sy-vline 
WA_RMCY1_STR-MCAPP sy-vline 
WA_RMCY1_STR-SINGL sy-vline 
WA_RMCY1_STR-MCPERZ sy-vline 
WA_RMCY1_STR-WORKF_IND sy-vline 
WA_RMCY1_STR-WORKF_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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