ABAP Select data from SAP table REXCPTIMI_C into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP REXCPTIMI_C 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_C. 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_C 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_C TYPE STANDARD TABLE OF REXCPTIMI_C,
      WA_REXCPTIMI_C TYPE REXCPTIMI_C,
      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_C> TYPE REXCPTIMI_C.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REXCPTIMI_C
*  INTO TABLE @DATA(IT_REXCPTIMI_C2).
*--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_C INDEX 1 INTO DATA(WA_REXCPTIMI_C2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REXCPTIMI_C>-EXPL1 = 1.
<REXCPTIMI_C>-ID1 = 1.
<REXCPTIMI_C>-NAME_TAXOFF = 1.
<REXCPTIMI_C>-STREET1 = 1.
<REXCPTIMI_C>-HOUSE_NUM1 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REXCPTIMI_C-ADDR1, sy-vline,
  WA_REXCPTIMI_C-POSTAL_CODE1, sy-vline,
  WA_REXCPTIMI_C-CITY1, sy-vline,
  WA_REXCPTIMI_C-SALUTATION, sy-vline,
  WA_REXCPTIMI_C-NAME_BP, sy-vline,
  WA_REXCPTIMI_C-STREET2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REXCPTIMI_C 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_C 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_C INTO WA_REXCPTIMI_C.


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

*Conversion exit GJAHR, internal->external for field YEAR_PAYMENT
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_REXCPTIMI_C-YEAR_PAYMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REXCPTIMI_C-YEAR_PAYMENT.
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_C_STR, 
EXPL1 TYPE STRING,
ID1 TYPE STRING,
NAME_TAXOFF TYPE STRING,
STREET1 TYPE STRING,
HOUSE_NUM1 TYPE STRING,
ADDR1 TYPE STRING,
POSTAL_CODE1 TYPE STRING,
CITY1 TYPE STRING,
SALUTATION TYPE STRING,
NAME_BP TYPE STRING,
STREET2 TYPE STRING,
HOUSE_NUM2 TYPE STRING,
ADDR2 TYPE STRING,
POSTAL_CODE2 TYPE STRING,
CITY2 TYPE STRING,
FISCAL_ID TYPE STRING,
FYEAR TYPE STRING,
DOC_ID TYPE STRING,
DOC_DATE TYPE STRING,
CURRENCY TYPE STRING,
BODY TYPE STRING,
DESCRIPTION_F TYPE STRING,
COLLECTED_F TYPE STRING,
INTEREST_F TYPE STRING,
MONTH_PAYMENT TYPE STRING,
YEAR_PAYMENT TYPE STRING,
VALUE_PAYMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REXCPTIMI_C_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_C_STR-EXPL1 sy-vline 
WA_REXCPTIMI_C_STR-ID1 sy-vline 
WA_REXCPTIMI_C_STR-NAME_TAXOFF sy-vline 
WA_REXCPTIMI_C_STR-STREET1 sy-vline 
WA_REXCPTIMI_C_STR-HOUSE_NUM1 sy-vline 
WA_REXCPTIMI_C_STR-ADDR1 sy-vline 
WA_REXCPTIMI_C_STR-POSTAL_CODE1 sy-vline 
WA_REXCPTIMI_C_STR-CITY1 sy-vline 
WA_REXCPTIMI_C_STR-SALUTATION sy-vline 
WA_REXCPTIMI_C_STR-NAME_BP sy-vline 
WA_REXCPTIMI_C_STR-STREET2 sy-vline 
WA_REXCPTIMI_C_STR-HOUSE_NUM2 sy-vline 
WA_REXCPTIMI_C_STR-ADDR2 sy-vline 
WA_REXCPTIMI_C_STR-POSTAL_CODE2 sy-vline 
WA_REXCPTIMI_C_STR-CITY2 sy-vline 
WA_REXCPTIMI_C_STR-FISCAL_ID sy-vline 
WA_REXCPTIMI_C_STR-FYEAR sy-vline 
WA_REXCPTIMI_C_STR-DOC_ID sy-vline 
WA_REXCPTIMI_C_STR-DOC_DATE sy-vline 
WA_REXCPTIMI_C_STR-CURRENCY sy-vline 
WA_REXCPTIMI_C_STR-BODY sy-vline 
WA_REXCPTIMI_C_STR-DESCRIPTION_F sy-vline 
WA_REXCPTIMI_C_STR-COLLECTED_F sy-vline 
WA_REXCPTIMI_C_STR-INTEREST_F sy-vline 
WA_REXCPTIMI_C_STR-MONTH_PAYMENT sy-vline 
WA_REXCPTIMI_C_STR-YEAR_PAYMENT sy-vline 
WA_REXCPTIMI_C_STR-VALUE_PAYMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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