ABAP Select data from SAP table REXCPTIMI_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REXCPTIMI_S
*  INTO TABLE @DATA(IT_REXCPTIMI_S2).
*--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_REXCPTIMI_S INDEX 1 INTO DATA(WA_REXCPTIMI_S2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REXCPTIMI_S-IMIAMOUNT, sy-vline,
  WA_REXCPTIMI_S-CITY, sy-vline,
  WA_REXCPTIMI_S-PARISH, sy-vline,
  WA_REXCPTIMI_S-IMIRATE, sy-vline,
  WA_REXCPTIMI_S-ISMANUALAMOUNT, sy-vline,
  WA_REXCPTIMI_S-VPT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REXCPTIMI_S 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_REXCPTIMI_S 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_REXCPTIMI_S INTO WA_REXCPTIMI_S.


*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_REXCPTIMI_S-DATETO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCPTIMI_S-DATETO.
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_REXCPTIMI_S_STR, 
MANDT TYPE STRING,
INTRENO TYPE STRING,
DATEFROM TYPE STRING,
CURRENCY TYPE STRING,
DATETO TYPE STRING,
IMIAMOUNT TYPE STRING,
CITY TYPE STRING,
PARISH TYPE STRING,
IMIRATE TYPE STRING,
ISMANUALAMOUNT TYPE STRING,
VPT TYPE STRING,
TAXCATID TYPE STRING,
ISRESIDENTIAL TYPE STRING,
STARTDATE_RES TYPE STRING,
EXEMPTSTAT TYPE STRING,
EXEMPTPERIODCAT TYPE STRING,
FIRSTINSTDATE TYPE STRING,
FIRSTINSTAMOUNT TYPE STRING,
ISFIRSTINSTPAID TYPE STRING,
SECINSTDATE TYPE STRING,
SECINSTAMOUNT TYPE STRING,
ISSECINSTPAID TYPE STRING,
THIRDINSTDATE TYPE STRING,
THIRDINSTAMOUNT TYPE STRING,
ISRECORDLOCKED TYPE STRING,
ACCTASSIGOBJNR TYPE STRING,
LIABLE_TAX TYPE STRING,
CONSTRUCTIONDATE 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,
XTAXCATID TYPE STRING,
EXPER TYPE STRING,
XEXPEMPTPERIODCAT TYPE STRING,
XMUNICIPALITY TYPE STRING,
XPARISH TYPE STRING,
ASSIGXIDENT TYPE STRING,
EXPERYEAR TYPE STRING,
IMIAMOUNTYEAR TYPE STRING,
CURRENCY2 TYPE STRING,
ASSIGNED TYPE STRING,
SELINDEX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REXCPTIMI_S_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_REXCPTIMI_S_STR-MANDT sy-vline 
WA_REXCPTIMI_S_STR-INTRENO sy-vline 
WA_REXCPTIMI_S_STR-DATEFROM sy-vline 
WA_REXCPTIMI_S_STR-CURRENCY sy-vline 
WA_REXCPTIMI_S_STR-DATETO sy-vline 
WA_REXCPTIMI_S_STR-IMIAMOUNT sy-vline 
WA_REXCPTIMI_S_STR-CITY sy-vline 
WA_REXCPTIMI_S_STR-PARISH sy-vline 
WA_REXCPTIMI_S_STR-IMIRATE sy-vline 
WA_REXCPTIMI_S_STR-ISMANUALAMOUNT sy-vline 
WA_REXCPTIMI_S_STR-VPT sy-vline 
WA_REXCPTIMI_S_STR-TAXCATID sy-vline 
WA_REXCPTIMI_S_STR-ISRESIDENTIAL sy-vline 
WA_REXCPTIMI_S_STR-STARTDATE_RES sy-vline 
WA_REXCPTIMI_S_STR-EXEMPTSTAT sy-vline 
WA_REXCPTIMI_S_STR-EXEMPTPERIODCAT sy-vline 
WA_REXCPTIMI_S_STR-FIRSTINSTDATE sy-vline 
WA_REXCPTIMI_S_STR-FIRSTINSTAMOUNT sy-vline 
WA_REXCPTIMI_S_STR-ISFIRSTINSTPAID sy-vline 
WA_REXCPTIMI_S_STR-SECINSTDATE sy-vline 
WA_REXCPTIMI_S_STR-SECINSTAMOUNT sy-vline 
WA_REXCPTIMI_S_STR-ISSECINSTPAID sy-vline 
WA_REXCPTIMI_S_STR-THIRDINSTDATE sy-vline 
WA_REXCPTIMI_S_STR-THIRDINSTAMOUNT sy-vline 
WA_REXCPTIMI_S_STR-ISRECORDLOCKED sy-vline 
WA_REXCPTIMI_S_STR-ACCTASSIGOBJNR sy-vline 
WA_REXCPTIMI_S_STR-LIABLE_TAX sy-vline 
WA_REXCPTIMI_S_STR-CONSTRUCTIONDATE sy-vline 
WA_REXCPTIMI_S_STR-RERF sy-vline 
WA_REXCPTIMI_S_STR-DERF sy-vline 
WA_REXCPTIMI_S_STR-TERF sy-vline 
WA_REXCPTIMI_S_STR-REHER sy-vline 
WA_REXCPTIMI_S_STR-RBEAR sy-vline 
WA_REXCPTIMI_S_STR-DBEAR sy-vline 
WA_REXCPTIMI_S_STR-TBEAR sy-vline 
WA_REXCPTIMI_S_STR-RBHER sy-vline 
WA_REXCPTIMI_S_STR-XTAXCATID sy-vline 
WA_REXCPTIMI_S_STR-EXPER sy-vline 
WA_REXCPTIMI_S_STR-XEXPEMPTPERIODCAT sy-vline 
WA_REXCPTIMI_S_STR-XMUNICIPALITY sy-vline 
WA_REXCPTIMI_S_STR-XPARISH sy-vline 
WA_REXCPTIMI_S_STR-ASSIGXIDENT sy-vline 
WA_REXCPTIMI_S_STR-EXPERYEAR sy-vline 
WA_REXCPTIMI_S_STR-IMIAMOUNTYEAR sy-vline 
WA_REXCPTIMI_S_STR-CURRENCY2 sy-vline 
WA_REXCPTIMI_S_STR-ASSIGNED sy-vline 
WA_REXCPTIMI_S_STR-SELINDEX sy-vline      INTO ld_text SEPARATED BY SPACE.

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