ABAP Select data from SAP table REXCITICI_L into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REXCITICI_L
*  INTO TABLE @DATA(IT_REXCITICI_L2).
*--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_REXCITICI_L INDEX 1 INTO DATA(WA_REXCITICI_L2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REXCITICI_L>-MANDT = 1.
<REXCITICI_L>-INTRENO = 1.
<REXCITICI_L>-DATEFROM = 1.
<REXCITICI_L>-CURRENCY = 1.
<REXCITICI_L>-DATETO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REXCITICI_L-ICIAMOUNT, sy-vline,
  WA_REXCITICI_L-POSTALCODE, sy-vline,
  WA_REXCITICI_L-CITY, sy-vline,
  WA_REXCITICI_L-ICIRATE, sy-vline,
  WA_REXCITICI_L-ISMANUALRATE, sy-vline,
  WA_REXCITICI_L-ICICOLLECTOR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REXCITICI_L 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_REXCITICI_L 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_REXCITICI_L INTO WA_REXCITICI_L.


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

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

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

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

*Conversion exit ALPHA, internal->external for field AOFUNCTION
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REXCITICI_L-AOFUNCTION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCITICI_L-AOFUNCTION.
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_REXCITICI_L_STR, 
MANDT TYPE STRING,
INTRENO TYPE STRING,
DATEFROM TYPE STRING,
CURRENCY TYPE STRING,
DATETO TYPE STRING,
ICIAMOUNT TYPE STRING,
POSTALCODE TYPE STRING,
CITY TYPE STRING,
ICIRATE TYPE STRING,
ISMANUALRATE TYPE STRING,
ICICOLLECTOR TYPE STRING,
ACCNO TYPE STRING,
CATID TYPE STRING,
CATCOEFF TYPE STRING,
CALCTYPE TYPE STRING,
AOVALUE TYPE STRING,
BASEAMOUNT TYPE STRING,
TAXBASE TYPE STRING,
MONOWN TYPE STRING,
PERCOWN TYPE STRING,
MONEXCL TYPE STRING,
DETRAMOUNT TYPE STRING,
DETRACTPREC TYPE STRING,
RAISPERC TYPE STRING,
ISANNUALPAY TYPE STRING,
DATPRI TYPE STRING,
INSTPRIPAID TYPE STRING,
DOWNPAYMENT TYPE STRING,
DATSEC TYPE STRING,
BALANCE TYPE STRING,
ISACTIVEICI TYPE STRING,
ASSIGINTRENO TYPE STRING,
ASSIGOBJNR TYPE STRING,
BUKRS TYPE STRING,
IS_EXEMPT TYPE STRING,
IS_UNINHABIT TYPE STRING,
IS_HISTORIC TYPE STRING,
COUNTRYRATE TYPE STRING,
CITYRATE TYPE STRING,
DOWNPAYMENTCITY TYPE STRING,
DOWNPAYMENTCNTRY TYPE STRING,
BALANCECITY TYPE STRING,
BALANCECOUNTRY TYPE STRING,
CITYAMOUNT TYPE STRING,
COUNTRYAMOUNT TYPE STRING,
REDUCTION TYPE STRING,
NOIMUCALC 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,
AOID TYPE STRING,
ALVROWS TYPE STRING,
STREET TYPE STRING,
ASSIGXIDENT TYPE STRING,
BUTXT TYPE STRING,
FISCYEAR TYPE STRING,
CHECKBOX TYPE STRING,
RECISVALIDFROM TYPE STRING,
RECISVALIDTO TYPE STRING,
CITYCODE TYPE STRING,
ADMINDIVISION TYPE STRING,
CENSUSDIVISION TYPE STRING,
CITYDIVISION TYPE STRING,
SHEET TYPE STRING,
PARCEL TYPE STRING,
QUALITY TYPE STRING,
DENOMINATOR TYPE STRING,
SUBALTERN TYPE STRING,
CLASS TYPE STRING,
UIUOBJNR TYPE STRING,
UIUINTRENO TYPE STRING,
ORIGAOID TYPE STRING,
DERIVAOID TYPE STRING,
SCENARIO TYPE STRING,
RENTALSTAT TYPE STRING,
IS_EXEMPT_TASI TYPE STRING,
REDUCTRATE TYPE STRING,
TASIRATE TYPE STRING,
TASIAMT TYPE STRING,
LANDLRATE TYPE STRING,
TASIBASEAMT TYPE STRING,
PARTNER TYPE STRING,
RECNNR TYPE STRING,
AUTHGRP TYPE STRING,
DOORPLT TYPE STRING,
AOTYPE TYPE STRING,
AOFUNCTION TYPE STRING,
CITYNAME TYPE STRING,
REGION TYPE STRING,
HOUSE_NUM TYPE STRING,
ORIGXAO TYPE STRING,
DERIVXAO TYPE STRING,
XAO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REXCITICI_L_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_REXCITICI_L_STR-MANDT sy-vline 
WA_REXCITICI_L_STR-INTRENO sy-vline 
WA_REXCITICI_L_STR-DATEFROM sy-vline 
WA_REXCITICI_L_STR-CURRENCY sy-vline 
WA_REXCITICI_L_STR-DATETO sy-vline 
WA_REXCITICI_L_STR-ICIAMOUNT sy-vline 
WA_REXCITICI_L_STR-POSTALCODE sy-vline 
WA_REXCITICI_L_STR-CITY sy-vline 
WA_REXCITICI_L_STR-ICIRATE sy-vline 
WA_REXCITICI_L_STR-ISMANUALRATE sy-vline 
WA_REXCITICI_L_STR-ICICOLLECTOR sy-vline 
WA_REXCITICI_L_STR-ACCNO sy-vline 
WA_REXCITICI_L_STR-CATID sy-vline 
WA_REXCITICI_L_STR-CATCOEFF sy-vline 
WA_REXCITICI_L_STR-CALCTYPE sy-vline 
WA_REXCITICI_L_STR-AOVALUE sy-vline 
WA_REXCITICI_L_STR-BASEAMOUNT sy-vline 
WA_REXCITICI_L_STR-TAXBASE sy-vline 
WA_REXCITICI_L_STR-MONOWN sy-vline 
WA_REXCITICI_L_STR-PERCOWN sy-vline 
WA_REXCITICI_L_STR-MONEXCL sy-vline 
WA_REXCITICI_L_STR-DETRAMOUNT sy-vline 
WA_REXCITICI_L_STR-DETRACTPREC sy-vline 
WA_REXCITICI_L_STR-RAISPERC sy-vline 
WA_REXCITICI_L_STR-ISANNUALPAY sy-vline 
WA_REXCITICI_L_STR-DATPRI sy-vline 
WA_REXCITICI_L_STR-INSTPRIPAID sy-vline 
WA_REXCITICI_L_STR-DOWNPAYMENT sy-vline 
WA_REXCITICI_L_STR-DATSEC sy-vline 
WA_REXCITICI_L_STR-BALANCE sy-vline 
WA_REXCITICI_L_STR-ISACTIVEICI sy-vline 
WA_REXCITICI_L_STR-ASSIGINTRENO sy-vline 
WA_REXCITICI_L_STR-ASSIGOBJNR sy-vline 
WA_REXCITICI_L_STR-BUKRS sy-vline 
WA_REXCITICI_L_STR-IS_EXEMPT sy-vline 
WA_REXCITICI_L_STR-IS_UNINHABIT sy-vline 
WA_REXCITICI_L_STR-IS_HISTORIC sy-vline 
WA_REXCITICI_L_STR-COUNTRYRATE sy-vline 
WA_REXCITICI_L_STR-CITYRATE sy-vline 
WA_REXCITICI_L_STR-DOWNPAYMENTCITY sy-vline 
WA_REXCITICI_L_STR-DOWNPAYMENTCNTRY sy-vline 
WA_REXCITICI_L_STR-BALANCECITY sy-vline 
WA_REXCITICI_L_STR-BALANCECOUNTRY sy-vline 
WA_REXCITICI_L_STR-CITYAMOUNT sy-vline 
WA_REXCITICI_L_STR-COUNTRYAMOUNT sy-vline 
WA_REXCITICI_L_STR-REDUCTION sy-vline 
WA_REXCITICI_L_STR-NOIMUCALC sy-vline 
WA_REXCITICI_L_STR-RERF sy-vline 
WA_REXCITICI_L_STR-DERF sy-vline 
WA_REXCITICI_L_STR-TERF sy-vline 
WA_REXCITICI_L_STR-REHER sy-vline 
WA_REXCITICI_L_STR-RBEAR sy-vline 
WA_REXCITICI_L_STR-DBEAR sy-vline 
WA_REXCITICI_L_STR-TBEAR sy-vline 
WA_REXCITICI_L_STR-RBHER sy-vline 
WA_REXCITICI_L_STR-AOID sy-vline 
WA_REXCITICI_L_STR-ALVROWS sy-vline 
WA_REXCITICI_L_STR-STREET sy-vline 
WA_REXCITICI_L_STR-ASSIGXIDENT sy-vline 
WA_REXCITICI_L_STR-BUTXT sy-vline 
WA_REXCITICI_L_STR-FISCYEAR sy-vline 
WA_REXCITICI_L_STR-CHECKBOX sy-vline 
WA_REXCITICI_L_STR-RECISVALIDFROM sy-vline 
WA_REXCITICI_L_STR-RECISVALIDTO sy-vline 
WA_REXCITICI_L_STR-CITYCODE sy-vline 
WA_REXCITICI_L_STR-ADMINDIVISION sy-vline 
WA_REXCITICI_L_STR-CENSUSDIVISION sy-vline 
WA_REXCITICI_L_STR-CITYDIVISION sy-vline 
WA_REXCITICI_L_STR-SHEET sy-vline 
WA_REXCITICI_L_STR-PARCEL sy-vline 
WA_REXCITICI_L_STR-QUALITY sy-vline 
WA_REXCITICI_L_STR-DENOMINATOR sy-vline 
WA_REXCITICI_L_STR-SUBALTERN sy-vline 
WA_REXCITICI_L_STR-CLASS sy-vline 
WA_REXCITICI_L_STR-UIUOBJNR sy-vline 
WA_REXCITICI_L_STR-UIUINTRENO sy-vline 
WA_REXCITICI_L_STR-ORIGAOID sy-vline 
WA_REXCITICI_L_STR-DERIVAOID sy-vline 
WA_REXCITICI_L_STR-SCENARIO sy-vline 
WA_REXCITICI_L_STR-RENTALSTAT sy-vline 
WA_REXCITICI_L_STR-IS_EXEMPT_TASI sy-vline 
WA_REXCITICI_L_STR-REDUCTRATE sy-vline 
WA_REXCITICI_L_STR-TASIRATE sy-vline 
WA_REXCITICI_L_STR-TASIAMT sy-vline 
WA_REXCITICI_L_STR-LANDLRATE sy-vline 
WA_REXCITICI_L_STR-TASIBASEAMT sy-vline 
WA_REXCITICI_L_STR-PARTNER sy-vline 
WA_REXCITICI_L_STR-RECNNR sy-vline 
WA_REXCITICI_L_STR-AUTHGRP sy-vline 
WA_REXCITICI_L_STR-DOORPLT sy-vline 
WA_REXCITICI_L_STR-AOTYPE sy-vline 
WA_REXCITICI_L_STR-AOFUNCTION sy-vline 
WA_REXCITICI_L_STR-CITYNAME sy-vline 
WA_REXCITICI_L_STR-REGION sy-vline 
WA_REXCITICI_L_STR-HOUSE_NUM sy-vline 
WA_REXCITICI_L_STR-ORIGXAO sy-vline 
WA_REXCITICI_L_STR-DERIVXAO sy-vline 
WA_REXCITICI_L_STR-XAO sy-vline      INTO ld_text SEPARATED BY SPACE.

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