ABAP Select data from SAP table RN1ME_ALV_IMP_BDCC into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RN1ME_ALV_IMP_BDCC 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 RN1ME_ALV_IMP_BDCC. 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 RN1ME_ALV_IMP_BDCC 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_RN1ME_ALV_IMP_BDCC TYPE STANDARD TABLE OF RN1ME_ALV_IMP_BDCC,
      WA_RN1ME_ALV_IMP_BDCC TYPE RN1ME_ALV_IMP_BDCC,
      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: <RN1ME_ALV_IMP_BDCC> TYPE RN1ME_ALV_IMP_BDCC.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RN1ME_ALV_IMP_BDCC.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RN1ME_ALV_IMP_BDCC
  INTO TABLE IT_RN1ME_ALV_IMP_BDCC.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RN1ME_ALV_IMP_BDCC
*  INTO TABLE @DATA(IT_RN1ME_ALV_IMP_BDCC2).
*--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_RN1ME_ALV_IMP_BDCC INDEX 1 INTO DATA(WA_RN1ME_ALV_IMP_BDCC2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RN1ME_ALV_IMP_BDCC ASSIGNING <RN1ME_ALV_IMP_BDCC>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RN1ME_ALV_IMP_BDCC>-ACTMODE = 1.
<RN1ME_ALV_IMP_BDCC>-STATUSI = 1.
<RN1ME_ALV_IMP_BDCC>-HINWEIS = 1.
<RN1ME_ALV_IMP_BDCC>-MANDT = 1.
<RN1ME_ALV_IMP_BDCC>-DRUGIDBDC = 1.

ENDLOOP.

LOOP AT IT_RN1ME_ALV_IMP_BDCC INTO WA_RN1ME_ALV_IMP_BDCC.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RN1ME_ALV_IMP_BDCC-CATIDBDC, sy-vline,
  WA_RN1ME_ALV_IMP_BDCC-EXTKEY, sy-vline,
  WA_RN1ME_ALV_IMP_BDCC-VERSDATE, sy-vline,
  WA_RN1ME_ALV_IMP_BDCC-EXTDCODECAT, sy-vline,
  WA_RN1ME_ALV_IMP_BDCC-EXTDCODEID, sy-vline,
  WA_RN1ME_ALV_IMP_BDCC-BRANDNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RN1ME_ALV_IMP_BDCC 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_RN1ME_ALV_IMP_BDCC 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_RN1ME_ALV_IMP_BDCC INTO WA_RN1ME_ALV_IMP_BDCC.


*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 CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MEQUA, internal->external for field QUAN
CALL FUNCTION 'CONVERSION_EXIT_MEQUA_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-QUAN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-QUAN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field STRGTHU
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-STRGTHU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-STRGTHU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MEQUA, internal->external for field STRGTH
CALL FUNCTION 'CONVERSION_EXIT_MEQUA_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-STRGTH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-STRGTH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field STRGTHPU
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-STRGTHPU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-STRGTHPU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MEQUA, internal->external for field STRGTHP
CALL FUNCTION 'CONVERSION_EXIT_MEQUA_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-STRGTHP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-STRGTHP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PKGUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-PKGUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-PKGUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MEQUA, internal->external for field PKGSIZE
CALL FUNCTION 'CONVERSION_EXIT_MEQUA_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-PKGSIZE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-PKGSIZE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MEQUA, internal->external for field DEFDOSM
CALL FUNCTION 'CONVERSION_EXIT_MEQUA_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-DEFDOSM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-DEFDOSM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MEQUA, internal->external for field DEFEXP
CALL FUNCTION 'CONVERSION_EXIT_MEQUA_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-DEFEXP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-DEFEXP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DEFEXPTU
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-DEFEXPTU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-DEFEXPTU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MEQUA, internal->external for field MAXDOSM
CALL FUNCTION 'CONVERSION_EXIT_MEQUA_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-MAXDOSM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-MAXDOSM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MEQUA, internal->external for field MAXDOSD
CALL FUNCTION 'CONVERSION_EXIT_MEQUA_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-MAXDOSD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-MAXDOSD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MEQUA, internal->external for field MAXDOSL
CALL FUNCTION 'CONVERSION_EXIT_MEQUA_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-MAXDOSL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-MAXDOSL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field TEMPU
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RN1ME_ALV_IMP_BDCC-TEMPU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RN1ME_ALV_IMP_BDCC-TEMPU.
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_RN1ME_ALV_IMP_BDCC_STR, 
ACTMODE TYPE STRING,
STATUSI TYPE STRING,
HINWEIS TYPE STRING,
MANDT TYPE STRING,
DRUGIDBDC TYPE STRING,
CATIDBDC TYPE STRING,
EXTKEY TYPE STRING,
VERSDATE TYPE STRING,
EXTDCODECAT TYPE STRING,
EXTDCODEID TYPE STRING,
BRANDNAME TYPE STRING,
GENNAME TYPE STRING,
NARCOTIC TYPE STRING,
PSYCHO TYPE STRING,
CONTR TYPE STRING,
ADMIND TYPE STRING,
MONO TYPE STRING,
MANUF TYPE STRING,
APDEVID TYPE STRING,
APROUTEID TYPE STRING,
PHFORMID TYPE STRING,
UNIT TYPE STRING,
QUAN TYPE STRING,
STRGTHU TYPE STRING,
STRGTH TYPE STRING,
STRGTHPU TYPE STRING,
STRGTHP TYPE STRING,
PSTRGTH TYPE STRING,
PKGUNIT TYPE STRING,
PKGSIZE TYPE STRING,
DEFDOSM TYPE STRING,
DEFEXP TYPE STRING,
DEFEXPTU TYPE STRING,
MAXDOSM TYPE STRING,
MAXDOSD TYPE STRING,
MAXDOSL TYPE STRING,
CUMDOS TYPE STRING,
FREEZE TYPE STRING,
REFRIGERATE TYPE STRING,
MAXTEMP TYPE STRING,
MAXTEMP_VAL0 TYPE STRING,
MINTEMP TYPE STRING,
MINTEMP_VAL0 TYPE STRING,
TEMPU TYPE STRING,
MAXDEN TYPE STRING,
ERDAT TYPE STRING,
ERTIM TYPE STRING,
ERUSR TYPE STRING,
UPDAT TYPE STRING,
UPTIM TYPE STRING,
UPUSR TYPE STRING,
CHANGES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RN1ME_ALV_IMP_BDCC_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_RN1ME_ALV_IMP_BDCC_STR-ACTMODE sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-STATUSI sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-HINWEIS sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-MANDT sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-DRUGIDBDC sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-CATIDBDC sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-EXTKEY sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-VERSDATE sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-EXTDCODECAT sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-EXTDCODEID sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-BRANDNAME sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-GENNAME sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-NARCOTIC sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-PSYCHO sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-CONTR sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-ADMIND sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-MONO sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-MANUF sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-APDEVID sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-APROUTEID sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-PHFORMID sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-UNIT sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-QUAN sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-STRGTHU sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-STRGTH sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-STRGTHPU sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-STRGTHP sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-PSTRGTH sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-PKGUNIT sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-PKGSIZE sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-DEFDOSM sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-DEFEXP sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-DEFEXPTU sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-MAXDOSM sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-MAXDOSD sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-MAXDOSL sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-CUMDOS sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-FREEZE sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-REFRIGERATE sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-MAXTEMP sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-MAXTEMP_VAL0 sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-MINTEMP sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-MINTEMP_VAL0 sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-TEMPU sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-MAXDEN sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-ERDAT sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-ERTIM sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-ERUSR sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-UPDAT sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-UPTIM sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-UPUSR sy-vline 
WA_RN1ME_ALV_IMP_BDCC_STR-CHANGES sy-vline      INTO ld_text SEPARATED BY SPACE.

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