ABAP Select data from SAP table REYCISCOSTDC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REYCISCOSTDC
*  INTO TABLE @DATA(IT_REYCISCOSTDC2).
*--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_REYCISCOSTDC INDEX 1 INTO DATA(WA_REYCISCOSTDC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REYCISCOSTDC>-CAM_DC_GUID = 1.
<REYCISCOSTDC>-SETTL_GUID = 1.
<REYCISCOSTDC>-CAM_EXP_GUID = 1.
<REYCISCOSTDC>-CNOBJNR = 1.
<REYCISCOSTDC>-RECNNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REYCISCOSTDC-RECNIDENT, sy-vline,
  WA_REYCISCOSTDC-RECNTXT, sy-vline,
  WA_REYCISCOSTDC-CAM_POOL_GUID, sy-vline,
  WA_REYCISCOSTDC-POOLOBJNR, sy-vline,
  WA_REYCISCOSTDC-EXPPOOL, sy-vline,
  WA_REYCISCOSTDC-XEXPPOOL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REYCISCOSTDC 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_REYCISCOSTDC 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_REYCISCOSTDC INTO WA_REYCISCOSTDC.


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

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

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

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

*Conversion exit CUNIT, internal->external for field MEASUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_REYCISCOSTDC-MEASUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REYCISCOSTDC-MEASUNIT.
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_REYCISCOSTDC_STR, 
CAM_DC_GUID TYPE STRING,
SETTL_GUID TYPE STRING,
CAM_EXP_GUID TYPE STRING,
CNOBJNR TYPE STRING,
RECNNR TYPE STRING,
RECNIDENT TYPE STRING,
RECNTXT TYPE STRING,
CAM_POOL_GUID TYPE STRING,
POOLOBJNR TYPE STRING,
EXPPOOL TYPE STRING,
XEXPPOOL TYPE STRING,
EXPLINEGUID TYPE STRING,
PGID TYPE STRING,
EXPTYPE TYPE STRING,
XMEXP TYPE STRING,
RO_OBJNR TYPE STRING,
REROIDENT TYPE STRING,
AMOUNTTYPE TYPE STRING,
OBJNR TYPE STRING,
TERMNO_PROV TYPE STRING,
XPROVISION TYPE STRING,
PROVISIONMETHOD TYPE STRING,
PROVMETHODTEXT TYPE STRING,
GROSSUPMETHOD TYPE STRING,
GROSSMETHODTEXT TYPE STRING,
BASEMETHOD TYPE STRING,
BASEMETHODTEXT TYPE STRING,
DENMETHOD TYPE STRING,
DENMETHODINT TYPE STRING,
DENOMMETHODTEXT TYPE STRING,
OCCUPIEDMEAS TYPE STRING,
DENMEAS TYPE STRING,
MVAPPORTAVERAGE TYPE STRING,
MVOCCAVERAGE TYPE STRING,
MVTOTALAVERAGE TYPE STRING,
MEASUNIT TYPE STRING,
PLENGTHTOTAL TYPE STRING,
CURRENCY TYPE STRING,
APPORTVALUE TYPE STRING,
OCCAPPORTTOTAL TYPE STRING,
APPORTVALUETOTAL TYPE STRING,
MTAPPORTVALUE TYPE STRING,
DENOMINATOR TYPE STRING,
THRESHOLD TYPE STRING,
ACTOCCRATE TYPE STRING,
ADJDENOMINATOR TYPE STRING,
BASEYEARAMT TYPE STRING,
BASEYEARRATE TYPE STRING,
CURRYEARAMT TYPE STRING,
CURRYEARRATE TYPE STRING,
CURRBYAMT TYPE STRING,
GROSSUPBYAMT TYPE STRING,
STOPYEARRATE TYPE STRING,
STOPYEARAMT TYPE STRING,
CURRENTSTOPAMT TYPE STRING,
ACTUALOCCRATE TYPE STRING,
OCCRATE TYPE STRING,
GROSSAMNT TYPE STRING,
GROSSRATE TYPE STRING,
FIXEDSHARE TYPE STRING,
MTCFLAG TYPE STRING,
NETAMOUNT TYPE STRING,
AMT4DISTRIBUTION TYPE STRING,
EXPTYPESHARE TYPE STRING,
EXPENSE2SHARE TYPE STRING,
GROSSUP_ACTEXP TYPE STRING,
TENANTSHARE TYPE STRING,
PRESETTLAMT TYPE STRING,
AMT_DC TYPE STRING,
CYISBY TYPE STRING,
BYCUMMALATIVE TYPE STRING,
CUMULATIVEEXP TYPE STRING,
CUMUNETDIFF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REYCISCOSTDC_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_REYCISCOSTDC_STR-CAM_DC_GUID sy-vline 
WA_REYCISCOSTDC_STR-SETTL_GUID sy-vline 
WA_REYCISCOSTDC_STR-CAM_EXP_GUID sy-vline 
WA_REYCISCOSTDC_STR-CNOBJNR sy-vline 
WA_REYCISCOSTDC_STR-RECNNR sy-vline 
WA_REYCISCOSTDC_STR-RECNIDENT sy-vline 
WA_REYCISCOSTDC_STR-RECNTXT sy-vline 
WA_REYCISCOSTDC_STR-CAM_POOL_GUID sy-vline 
WA_REYCISCOSTDC_STR-POOLOBJNR sy-vline 
WA_REYCISCOSTDC_STR-EXPPOOL sy-vline 
WA_REYCISCOSTDC_STR-XEXPPOOL sy-vline 
WA_REYCISCOSTDC_STR-EXPLINEGUID sy-vline 
WA_REYCISCOSTDC_STR-PGID sy-vline 
WA_REYCISCOSTDC_STR-EXPTYPE sy-vline 
WA_REYCISCOSTDC_STR-XMEXP sy-vline 
WA_REYCISCOSTDC_STR-RO_OBJNR sy-vline 
WA_REYCISCOSTDC_STR-REROIDENT sy-vline 
WA_REYCISCOSTDC_STR-AMOUNTTYPE sy-vline 
WA_REYCISCOSTDC_STR-OBJNR sy-vline 
WA_REYCISCOSTDC_STR-TERMNO_PROV sy-vline 
WA_REYCISCOSTDC_STR-XPROVISION sy-vline 
WA_REYCISCOSTDC_STR-PROVISIONMETHOD sy-vline 
WA_REYCISCOSTDC_STR-PROVMETHODTEXT sy-vline 
WA_REYCISCOSTDC_STR-GROSSUPMETHOD sy-vline 
WA_REYCISCOSTDC_STR-GROSSMETHODTEXT sy-vline 
WA_REYCISCOSTDC_STR-BASEMETHOD sy-vline 
WA_REYCISCOSTDC_STR-BASEMETHODTEXT sy-vline 
WA_REYCISCOSTDC_STR-DENMETHOD sy-vline 
WA_REYCISCOSTDC_STR-DENMETHODINT sy-vline 
WA_REYCISCOSTDC_STR-DENOMMETHODTEXT sy-vline 
WA_REYCISCOSTDC_STR-OCCUPIEDMEAS sy-vline 
WA_REYCISCOSTDC_STR-DENMEAS sy-vline 
WA_REYCISCOSTDC_STR-MVAPPORTAVERAGE sy-vline 
WA_REYCISCOSTDC_STR-MVOCCAVERAGE sy-vline 
WA_REYCISCOSTDC_STR-MVTOTALAVERAGE sy-vline 
WA_REYCISCOSTDC_STR-MEASUNIT sy-vline 
WA_REYCISCOSTDC_STR-PLENGTHTOTAL sy-vline 
WA_REYCISCOSTDC_STR-CURRENCY sy-vline 
WA_REYCISCOSTDC_STR-APPORTVALUE sy-vline 
WA_REYCISCOSTDC_STR-OCCAPPORTTOTAL sy-vline 
WA_REYCISCOSTDC_STR-APPORTVALUETOTAL sy-vline 
WA_REYCISCOSTDC_STR-MTAPPORTVALUE sy-vline 
WA_REYCISCOSTDC_STR-DENOMINATOR sy-vline 
WA_REYCISCOSTDC_STR-THRESHOLD sy-vline 
WA_REYCISCOSTDC_STR-ACTOCCRATE sy-vline 
WA_REYCISCOSTDC_STR-ADJDENOMINATOR sy-vline 
WA_REYCISCOSTDC_STR-BASEYEARAMT sy-vline 
WA_REYCISCOSTDC_STR-BASEYEARRATE sy-vline 
WA_REYCISCOSTDC_STR-CURRYEARAMT sy-vline 
WA_REYCISCOSTDC_STR-CURRYEARRATE sy-vline 
WA_REYCISCOSTDC_STR-CURRBYAMT sy-vline 
WA_REYCISCOSTDC_STR-GROSSUPBYAMT sy-vline 
WA_REYCISCOSTDC_STR-STOPYEARRATE sy-vline 
WA_REYCISCOSTDC_STR-STOPYEARAMT sy-vline 
WA_REYCISCOSTDC_STR-CURRENTSTOPAMT sy-vline 
WA_REYCISCOSTDC_STR-ACTUALOCCRATE sy-vline 
WA_REYCISCOSTDC_STR-OCCRATE sy-vline 
WA_REYCISCOSTDC_STR-GROSSAMNT sy-vline 
WA_REYCISCOSTDC_STR-GROSSRATE sy-vline 
WA_REYCISCOSTDC_STR-FIXEDSHARE sy-vline 
WA_REYCISCOSTDC_STR-MTCFLAG sy-vline 
WA_REYCISCOSTDC_STR-NETAMOUNT sy-vline 
WA_REYCISCOSTDC_STR-AMT4DISTRIBUTION sy-vline 
WA_REYCISCOSTDC_STR-EXPTYPESHARE sy-vline 
WA_REYCISCOSTDC_STR-EXPENSE2SHARE sy-vline 
WA_REYCISCOSTDC_STR-GROSSUP_ACTEXP sy-vline 
WA_REYCISCOSTDC_STR-TENANTSHARE sy-vline 
WA_REYCISCOSTDC_STR-PRESETTLAMT sy-vline 
WA_REYCISCOSTDC_STR-AMT_DC sy-vline 
WA_REYCISCOSTDC_STR-CYISBY sy-vline 
WA_REYCISCOSTDC_STR-BYCUMMALATIVE sy-vline 
WA_REYCISCOSTDC_STR-CUMULATIVEEXP sy-vline 
WA_REYCISCOSTDC_STR-CUMUNETDIFF sy-vline      INTO ld_text SEPARATED BY SPACE.

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