ABAP Select data from SAP table REIS_CODATA_TRAN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REIS_CODATA_TRAN
*  INTO TABLE @DATA(IT_REIS_CODATA_TRAN2).
*--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_REIS_CODATA_TRAN INDEX 1 INTO DATA(WA_REIS_CODATA_TRAN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REIS_CODATA_TRAN>-OBJNR = 1.
<REIS_CODATA_TRAN>-OBJTYPE = 1.
<REIS_CODATA_TRAN>-BUKRS = 1.
<REIS_CODATA_TRAN>-SWENR = 1.
<REIS_CODATA_TRAN>-SGENR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REIS_CODATA_TRAN-SGRNR, sy-vline,
  WA_REIS_CODATA_TRAN-SMENR, sy-vline,
  WA_REIS_CODATA_TRAN-RECNNR, sy-vline,
  WA_REIS_CODATA_TRAN-SNKSL, sy-vline,
  WA_REIS_CODATA_TRAN-SEMPSL, sy-vline,
  WA_REIS_CODATA_TRAN-TPLNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REIS_CODATA_TRAN 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_REIS_CODATA_TRAN 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_REIS_CODATA_TRAN INTO WA_REIS_CODATA_TRAN.


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

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

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

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

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

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

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

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

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

*Conversion exit ABPSN, internal->external for field POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_REIS_CODATA_TRAN-POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_CODATA_TRAN-POSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PERI7, internal->external for field FISCPER
CALL FUNCTION 'CONVERSION_EXIT_PERI7_OUTPUT'
  EXPORTING
    input =                      WA_REIS_CODATA_TRAN-FISCPER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_CODATA_TRAN-FISCPER.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_REIS_CODATA_TRAN-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_CODATA_TRAN-MEINH.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field MEASUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_REIS_CODATA_TRAN-MEASUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_CODATA_TRAN-MEASUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SMIVECLASSIC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REIS_CODATA_TRAN-SMIVECLASSIC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REIS_CODATA_TRAN-SMIVECLASSIC.
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_REIS_CODATA_TRAN_STR, 
OBJNR TYPE STRING,
OBJTYPE TYPE STRING,
BUKRS TYPE STRING,
SWENR TYPE STRING,
SGENR TYPE STRING,
SGRNR TYPE STRING,
SMENR TYPE STRING,
RECNNR TYPE STRING,
SNKSL TYPE STRING,
SEMPSL TYPE STRING,
TPLNR TYPE STRING,
AUFNR TYPE STRING,
AUTYP TYPE STRING,
POSID TYPE STRING,
FISCVAR TYPE STRING,
FISCPER TYPE STRING,
KOKRS TYPE STRING,
LSTAR TYPE STRING,
WRTTP TYPE STRING,
VTYPE TYPE STRING,
VTDETAIL TYPE STRING,
VTSTAT TYPE STRING,
VERSN TYPE STRING,
KSTAR TYPE STRING,
SEKNZ TYPE STRING,
RSPOBART TYPE STRING,
RSPAROBVAL TYPE STRING,
VALUTYP TYPE STRING,
MEASTYPE TYPE STRING,
SWG TYPE STRING,
SMEG TYPE STRING,
WAERS TYPE STRING,
CURTYPE TYPE STRING,
MEINH TYPE STRING,
MEAS TYPE STRING,
MEASVALUE TYPE STRING,
MEASUNIT TYPE STRING,
SELCNCLASSIC TYPE STRING,
EXCLSUCROSSBE TYPE STRING,
SWF TYPE STRING,
SWV TYPE STRING,
SMEF TYPE STRING,
SMEV TYPE STRING,
SMIVECLASSIC TYPE STRING,
EVALAO TYPE STRING,
AOID TYPE STRING,
CCVALIDFROM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REIS_CODATA_TRAN_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_REIS_CODATA_TRAN_STR-OBJNR sy-vline 
WA_REIS_CODATA_TRAN_STR-OBJTYPE sy-vline 
WA_REIS_CODATA_TRAN_STR-BUKRS sy-vline 
WA_REIS_CODATA_TRAN_STR-SWENR sy-vline 
WA_REIS_CODATA_TRAN_STR-SGENR sy-vline 
WA_REIS_CODATA_TRAN_STR-SGRNR sy-vline 
WA_REIS_CODATA_TRAN_STR-SMENR sy-vline 
WA_REIS_CODATA_TRAN_STR-RECNNR sy-vline 
WA_REIS_CODATA_TRAN_STR-SNKSL sy-vline 
WA_REIS_CODATA_TRAN_STR-SEMPSL sy-vline 
WA_REIS_CODATA_TRAN_STR-TPLNR sy-vline 
WA_REIS_CODATA_TRAN_STR-AUFNR sy-vline 
WA_REIS_CODATA_TRAN_STR-AUTYP sy-vline 
WA_REIS_CODATA_TRAN_STR-POSID sy-vline 
WA_REIS_CODATA_TRAN_STR-FISCVAR sy-vline 
WA_REIS_CODATA_TRAN_STR-FISCPER sy-vline 
WA_REIS_CODATA_TRAN_STR-KOKRS sy-vline 
WA_REIS_CODATA_TRAN_STR-LSTAR sy-vline 
WA_REIS_CODATA_TRAN_STR-WRTTP sy-vline 
WA_REIS_CODATA_TRAN_STR-VTYPE sy-vline 
WA_REIS_CODATA_TRAN_STR-VTDETAIL sy-vline 
WA_REIS_CODATA_TRAN_STR-VTSTAT sy-vline 
WA_REIS_CODATA_TRAN_STR-VERSN sy-vline 
WA_REIS_CODATA_TRAN_STR-KSTAR sy-vline 
WA_REIS_CODATA_TRAN_STR-SEKNZ sy-vline 
WA_REIS_CODATA_TRAN_STR-RSPOBART sy-vline 
WA_REIS_CODATA_TRAN_STR-RSPAROBVAL sy-vline 
WA_REIS_CODATA_TRAN_STR-VALUTYP sy-vline 
WA_REIS_CODATA_TRAN_STR-MEASTYPE sy-vline 
WA_REIS_CODATA_TRAN_STR-SWG sy-vline 
WA_REIS_CODATA_TRAN_STR-SMEG sy-vline 
WA_REIS_CODATA_TRAN_STR-WAERS sy-vline 
WA_REIS_CODATA_TRAN_STR-CURTYPE sy-vline 
WA_REIS_CODATA_TRAN_STR-MEINH sy-vline 
WA_REIS_CODATA_TRAN_STR-MEAS sy-vline 
WA_REIS_CODATA_TRAN_STR-MEASVALUE sy-vline 
WA_REIS_CODATA_TRAN_STR-MEASUNIT sy-vline 
WA_REIS_CODATA_TRAN_STR-SELCNCLASSIC sy-vline 
WA_REIS_CODATA_TRAN_STR-EXCLSUCROSSBE sy-vline 
WA_REIS_CODATA_TRAN_STR-SWF sy-vline 
WA_REIS_CODATA_TRAN_STR-SWV sy-vline 
WA_REIS_CODATA_TRAN_STR-SMEF sy-vline 
WA_REIS_CODATA_TRAN_STR-SMEV sy-vline 
WA_REIS_CODATA_TRAN_STR-SMIVECLASSIC sy-vline 
WA_REIS_CODATA_TRAN_STR-EVALAO sy-vline 
WA_REIS_CODATA_TRAN_STR-AOID sy-vline 
WA_REIS_CODATA_TRAN_STR-CCVALIDFROM sy-vline      INTO ld_text SEPARATED BY SPACE.

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