ABAP Select data from SAP table REYCISMETERCOSTS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REYCISMETERCOSTS
*  INTO TABLE @DATA(IT_REYCISMETERCOSTS2).
*--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_REYCISMETERCOSTS INDEX 1 INTO DATA(WA_REYCISMETERCOSTS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REYCISMETERCOSTS>-GUID = 1.
<REYCISMETERCOSTS>-OBJNR = 1.
<REYCISMETERCOSTS>-OBJINFO = 1.
<REYCISMETERCOSTS>-OBJTYPE = 1.
<REYCISMETERCOSTS>-XOBJTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REYCISMETERCOSTS-XLOBJTYPE, sy-vline,
  WA_REYCISMETERCOSTS-OBJID, sy-vline,
  WA_REYCISMETERCOSTS-IDENT, sy-vline,
  WA_REYCISMETERCOSTS-CAM_MS_GUID, sy-vline,
  WA_REYCISMETERCOSTS-SETTL_GUID, sy-vline,
  WA_REYCISMETERCOSTS-EXPLINEGUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REYCISMETERCOSTS 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_REYCISMETERCOSTS 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_REYCISMETERCOSTS INTO WA_REYCISMETERCOSTS.


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

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

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

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

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

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

*Conversion exit LUNIT, internal->external for field UNITC
CALL FUNCTION 'CONVERSION_EXIT_LUNIT_OUTPUT'
  EXPORTING
    input =                      WA_REYCISMETERCOSTS-UNITC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REYCISMETERCOSTS-UNITC.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit REDAT, internal->external for field PTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REYCISMETERCOSTS-PTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REYCISMETERCOSTS-PTO.
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_REYCISMETERCOSTS_STR, 
GUID TYPE STRING,
OBJNR TYPE STRING,
OBJINFO TYPE STRING,
OBJTYPE TYPE STRING,
XOBJTYPE TYPE STRING,
XLOBJTYPE TYPE STRING,
OBJID TYPE STRING,
IDENT TYPE STRING,
CAM_MS_GUID TYPE STRING,
SETTL_GUID TYPE STRING,
EXPLINEGUID TYPE STRING,
EXPTYPE TYPE STRING,
RO_OBJNR TYPE STRING,
KSTAR TYPE STRING,
DESCRIPTION TYPE STRING,
BUKRS TYPE STRING,
BELNR TYPE STRING,
BUZEI TYPE STRING,
GJAHR TYPE STRING,
PGOBJNR TYPE STRING,
PGID TYPE STRING,
PARENT_PGOBJNR TYPE STRING,
PARENT_PGID TYPE STRING,
POINT TYPE STRING,
PTTXT TYPE STRING,
MPTYP TYPE STRING,
ATNAM TYPE STRING,
ATBEZ TYPE STRING,
UNITC TYPE STRING,
CONSUMPTION TYPE STRING,
METERBASEDSHARE TYPE STRING,
NETAMOUNT TYPE STRING,
AMOUNTTYPE TYPE STRING,
AMOUNTTYPEDESCRIPTION TYPE STRING,
CURRENCY TYPE STRING,
SHORTFALLPTCP TYPE STRING,
SHORTFALLAMT TYPE STRING,
SWENR TYPE STRING,
SGENR TYPE STRING,
SGRNR TYPE STRING,
SMENR TYPE STRING,
METEREXP TYPE STRING,
METEREXPDIST TYPE STRING,
SERVVALIDFROM TYPE STRING,
SERVVALIDTO TYPE STRING,
PFROM TYPE STRING,
PTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REYCISMETERCOSTS_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_REYCISMETERCOSTS_STR-GUID sy-vline 
WA_REYCISMETERCOSTS_STR-OBJNR sy-vline 
WA_REYCISMETERCOSTS_STR-OBJINFO sy-vline 
WA_REYCISMETERCOSTS_STR-OBJTYPE sy-vline 
WA_REYCISMETERCOSTS_STR-XOBJTYPE sy-vline 
WA_REYCISMETERCOSTS_STR-XLOBJTYPE sy-vline 
WA_REYCISMETERCOSTS_STR-OBJID sy-vline 
WA_REYCISMETERCOSTS_STR-IDENT sy-vline 
WA_REYCISMETERCOSTS_STR-CAM_MS_GUID sy-vline 
WA_REYCISMETERCOSTS_STR-SETTL_GUID sy-vline 
WA_REYCISMETERCOSTS_STR-EXPLINEGUID sy-vline 
WA_REYCISMETERCOSTS_STR-EXPTYPE sy-vline 
WA_REYCISMETERCOSTS_STR-RO_OBJNR sy-vline 
WA_REYCISMETERCOSTS_STR-KSTAR sy-vline 
WA_REYCISMETERCOSTS_STR-DESCRIPTION sy-vline 
WA_REYCISMETERCOSTS_STR-BUKRS sy-vline 
WA_REYCISMETERCOSTS_STR-BELNR sy-vline 
WA_REYCISMETERCOSTS_STR-BUZEI sy-vline 
WA_REYCISMETERCOSTS_STR-GJAHR sy-vline 
WA_REYCISMETERCOSTS_STR-PGOBJNR sy-vline 
WA_REYCISMETERCOSTS_STR-PGID sy-vline 
WA_REYCISMETERCOSTS_STR-PARENT_PGOBJNR sy-vline 
WA_REYCISMETERCOSTS_STR-PARENT_PGID sy-vline 
WA_REYCISMETERCOSTS_STR-POINT sy-vline 
WA_REYCISMETERCOSTS_STR-PTTXT sy-vline 
WA_REYCISMETERCOSTS_STR-MPTYP sy-vline 
WA_REYCISMETERCOSTS_STR-ATNAM sy-vline 
WA_REYCISMETERCOSTS_STR-ATBEZ sy-vline 
WA_REYCISMETERCOSTS_STR-UNITC sy-vline 
WA_REYCISMETERCOSTS_STR-CONSUMPTION sy-vline 
WA_REYCISMETERCOSTS_STR-METERBASEDSHARE sy-vline 
WA_REYCISMETERCOSTS_STR-NETAMOUNT sy-vline 
WA_REYCISMETERCOSTS_STR-AMOUNTTYPE sy-vline 
WA_REYCISMETERCOSTS_STR-AMOUNTTYPEDESCRIPTION sy-vline 
WA_REYCISMETERCOSTS_STR-CURRENCY sy-vline 
WA_REYCISMETERCOSTS_STR-SHORTFALLPTCP sy-vline 
WA_REYCISMETERCOSTS_STR-SHORTFALLAMT sy-vline 
WA_REYCISMETERCOSTS_STR-SWENR sy-vline 
WA_REYCISMETERCOSTS_STR-SGENR sy-vline 
WA_REYCISMETERCOSTS_STR-SGRNR sy-vline 
WA_REYCISMETERCOSTS_STR-SMENR sy-vline 
WA_REYCISMETERCOSTS_STR-METEREXP sy-vline 
WA_REYCISMETERCOSTS_STR-METEREXPDIST sy-vline 
WA_REYCISMETERCOSTS_STR-SERVVALIDFROM sy-vline 
WA_REYCISMETERCOSTS_STR-SERVVALIDTO sy-vline 
WA_REYCISMETERCOSTS_STR-PFROM sy-vline 
WA_REYCISMETERCOSTS_STR-PTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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