ABAP Select data from SAP table REXCITIRE_CNDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REXCITIRE_CNDATA
*  INTO TABLE @DATA(IT_REXCITIRE_CNDATA2).
*--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_REXCITIRE_CNDATA INDEX 1 INTO DATA(WA_REXCITIRE_CNDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REXCITIRE_CNDATA>-MS_DETAIL = 1.
<REXCITIRE_CNDATA>-MANDT = 1.
<REXCITIRE_CNDATA>-INTRENO = 1.
<REXCITIRE_CNDATA>-BUKRS = 1.
<REXCITIRE_CNDATA>-RECNNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REXCITIRE_CNDATA-OBJNR, sy-vline,
  WA_REXCITIRE_CNDATA-IMKEY, sy-vline,
  WA_REXCITIRE_CNDATA-CREATIONTYPE, sy-vline,
  WA_REXCITIRE_CNDATA-RERF, sy-vline,
  WA_REXCITIRE_CNDATA-DERF, sy-vline,
  WA_REXCITIRE_CNDATA-TERF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REXCITIRE_CNDATA 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_REXCITIRE_CNDATA 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_REXCITIRE_CNDATA INTO WA_REXCITIRE_CNDATA.


*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_REXCITIRE_CNDATA-RECNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCITIRE_CNDATA-RECNNR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit REDAT, internal->external for field RECNENDABS
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REXCITIRE_CNDATA-RECNENDABS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCITIRE_CNDATA-RECNENDABS.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit REDAT, internal->external for field TRANSPOSSTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REXCITIRE_CNDATA-TRANSPOSSTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCITIRE_CNDATA-TRANSPOSSTO.
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_REXCITIRE_CNDATA_STR, 
MS_DETAIL TYPE STRING,
MANDT TYPE STRING,
INTRENO TYPE STRING,
BUKRS TYPE STRING,
RECNNR TYPE STRING,
OBJNR TYPE STRING,
IMKEY TYPE STRING,
CREATIONTYPE TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
RESPONSIBLE TYPE STRING,
USEREXCLUSIVE TYPE STRING,
AUTHGRP TYPE STRING,
RECNTYPE TYPE STRING,
RECNBEG TYPE STRING,
RECNENDABS TYPE STRING,
RECNTXT TYPE STRING,
RECNDACTIV TYPE STRING,
RECNTLAW TYPE STRING,
RECNTXTOLD TYPE STRING,
RECNBUKRSCOLLECT TYPE STRING,
RECNNRCOLLECT TYPE STRING,
RECNCNCURR TYPE STRING,
INDUSTRY TYPE STRING,
SRRELEVANT TYPE STRING,
DPTARGETTYPE TYPE STRING,
RECNDAT TYPE STRING,
RECN2DAT TYPE STRING,
RECNDPO TYPE STRING,
RECNEND1ST TYPE STRING,
RECNNOTPER TYPE STRING,
RECNNOTRECEIPT TYPE STRING,
RECNNOTREASON TYPE STRING,
RECNDAKTKU TYPE STRING,
CFARCHIVEDTO TYPE STRING,
CFLOCKEDTO TYPE STRING,
CFPOSTINGFROM TYPE STRING,
BENOCN TYPE STRING,
TRANSPOSSFROM TYPE STRING,
TRANSPOSSTO TYPE STRING,
HASMULTIASSIGN TYPE STRING,
POSSDATEFROM TYPE STRING,
POSSDATETO TYPE STRING,
RELEVANTEVAL TYPE STRING,
DUMMY_REC_PS TYPE STRING,
SECDEPRELEVANT TYPE STRING,
NOTADJSDCN TYPE STRING,
CONDITIONS TYPE STRING,
RENEWALS TYPE STRING,
PARTNERS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REXCITIRE_CNDATA_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_REXCITIRE_CNDATA_STR-MS_DETAIL sy-vline 
WA_REXCITIRE_CNDATA_STR-MANDT sy-vline 
WA_REXCITIRE_CNDATA_STR-INTRENO sy-vline 
WA_REXCITIRE_CNDATA_STR-BUKRS sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNNR sy-vline 
WA_REXCITIRE_CNDATA_STR-OBJNR sy-vline 
WA_REXCITIRE_CNDATA_STR-IMKEY sy-vline 
WA_REXCITIRE_CNDATA_STR-CREATIONTYPE sy-vline 
WA_REXCITIRE_CNDATA_STR-RERF sy-vline 
WA_REXCITIRE_CNDATA_STR-DERF sy-vline 
WA_REXCITIRE_CNDATA_STR-TERF sy-vline 
WA_REXCITIRE_CNDATA_STR-REHER sy-vline 
WA_REXCITIRE_CNDATA_STR-RBEAR sy-vline 
WA_REXCITIRE_CNDATA_STR-DBEAR sy-vline 
WA_REXCITIRE_CNDATA_STR-TBEAR sy-vline 
WA_REXCITIRE_CNDATA_STR-RBHER sy-vline 
WA_REXCITIRE_CNDATA_STR-RESPONSIBLE sy-vline 
WA_REXCITIRE_CNDATA_STR-USEREXCLUSIVE sy-vline 
WA_REXCITIRE_CNDATA_STR-AUTHGRP sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNTYPE sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNBEG sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNENDABS sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNTXT sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNDACTIV sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNTLAW sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNTXTOLD sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNBUKRSCOLLECT sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNNRCOLLECT sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNCNCURR sy-vline 
WA_REXCITIRE_CNDATA_STR-INDUSTRY sy-vline 
WA_REXCITIRE_CNDATA_STR-SRRELEVANT sy-vline 
WA_REXCITIRE_CNDATA_STR-DPTARGETTYPE sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNDAT sy-vline 
WA_REXCITIRE_CNDATA_STR-RECN2DAT sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNDPO sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNEND1ST sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNNOTPER sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNNOTRECEIPT sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNNOTREASON sy-vline 
WA_REXCITIRE_CNDATA_STR-RECNDAKTKU sy-vline 
WA_REXCITIRE_CNDATA_STR-CFARCHIVEDTO sy-vline 
WA_REXCITIRE_CNDATA_STR-CFLOCKEDTO sy-vline 
WA_REXCITIRE_CNDATA_STR-CFPOSTINGFROM sy-vline 
WA_REXCITIRE_CNDATA_STR-BENOCN sy-vline 
WA_REXCITIRE_CNDATA_STR-TRANSPOSSFROM sy-vline 
WA_REXCITIRE_CNDATA_STR-TRANSPOSSTO sy-vline 
WA_REXCITIRE_CNDATA_STR-HASMULTIASSIGN sy-vline 
WA_REXCITIRE_CNDATA_STR-POSSDATEFROM sy-vline 
WA_REXCITIRE_CNDATA_STR-POSSDATETO sy-vline 
WA_REXCITIRE_CNDATA_STR-RELEVANTEVAL sy-vline 
WA_REXCITIRE_CNDATA_STR-DUMMY_REC_PS sy-vline 
WA_REXCITIRE_CNDATA_STR-SECDEPRELEVANT sy-vline 
WA_REXCITIRE_CNDATA_STR-NOTADJSDCN sy-vline 
WA_REXCITIRE_CNDATA_STR-CONDITIONS sy-vline 
WA_REXCITIRE_CNDATA_STR-RENEWALS sy-vline 
WA_REXCITIRE_CNDATA_STR-PARTNERS sy-vline      INTO ld_text SEPARATED BY SPACE.

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