ABAP Select data from SAP table RNAMNKSB into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RNAMNKSB
*  INTO TABLE @DATA(IT_RNAMNKSB2).
*--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_RNAMNKSB INDEX 1 INTO DATA(WA_RNAMNKSB2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RNAMNKSB>-MANDT = 1.
<RNAMNKSB>-PARTNR = 1.
<RNAMNKSB>-PARTNR_OLD = 1.
<RNAMNKSB>-PARTNER = 1.
<RNAMNKSB>-PERSNUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RNAMNKSB-BU_GROUP, sy-vline,
  WA_RNAMNKSB-EXTPARTNR, sy-vline,
  WA_RNAMNKSB-CUSTOMER, sy-vline,
  WA_RNAMNKSB-TYPE, sy-vline,
  WA_RNAMNKSB-BP_GROUP, sy-vline,
  WA_RNAMNKSB-GROUP_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RNAMNKSB 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_RNAMNKSB 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_RNAMNKSB INTO WA_RNAMNKSB.


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

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

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

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RNAMNKSB-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RNAMNKSB-LANGU.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

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

*Conversion exit IMKEY, internal->external for field IMKEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_RNAMNKSB-IMKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RNAMNKSB-IMKEY.
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_RNAMNKSB_STR, 
MANDT TYPE STRING,
PARTNR TYPE STRING,
PARTNR_OLD TYPE STRING,
PARTNER TYPE STRING,
PERSNUMBER TYPE STRING,
BU_GROUP TYPE STRING,
EXTPARTNR TYPE STRING,
CUSTOMER TYPE STRING,
TYPE TYPE STRING,
BP_GROUP TYPE STRING,
GROUP_ID TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
LANGU TYPE STRING,
TITLE TYPE STRING,
TITLE_LET TYPE STRING,
ADR_REF TYPE STRING,
SORT1 TYPE STRING,
SORT2 TYPE STRING,
SORT_PHON TYPE STRING,
MC_NAME1 TYPE STRING,
MC_NAME2 TYPE STRING,
SOURCE TYPE STRING,
CRUSER TYPE STRING,
CRDAT TYPE STRING,
VIP TYPE STRING,
GROUP_D TYPE STRING,
DEL_IND TYPE STRING,
BEGRU TYPE STRING,
XTITLE TYPE STRING,
XTIT_LE TYPE STRING,
PAR_REL TYPE STRING,
NAME_LAST TYPE STRING,
NAME_FIRST TYPE STRING,
TITLE_AC TYPE STRING,
N_PREFIX TYPE STRING,
N_ADDITION TYPE STRING,
NICKNAME TYPE STRING,
SEX TYPE STRING,
PROFESSION TYPE STRING,
NATION TYPE STRING,
STATE TYPE STRING,
BIRTH_DATE TYPE STRING,
BIRTH_PLAC TYPE STRING,
BIRTH_NAME TYPE STRING,
BIRTH_N_AD TYPE STRING,
DEATH_DATE TYPE STRING,
MARITAL_ST TYPE STRING,
PROPRTY_ST TYPE STRING,
CHILDREN TYPE STRING,
MEM_HOUSE TYPE STRING,
INCOME_CUR TYPE STRING,
NET_INCOME TYPE STRING,
MO_NET_INC TYPE STRING,
NET_INC_Y TYPE STRING,
MO_INC_M TYPE STRING,
MO_INC_Y TYPE STRING,
PERS_NR TYPE STRING,
STAFF_GRP TYPE STRING,
HR_ORG_REF TYPE STRING,
XUBNAME TYPE STRING,
STAFF_REF TYPE STRING,
ORG_NAME TYPE STRING,
ORG_NAME2 TYPE STRING,
CALENDARID TYPE STRING,
LEGAL_ENTY TYPE STRING,
LEGAL_ORG TYPE STRING,
BALANCE_FL TYPE STRING,
FOUND_YEAR TYPE STRING,
COMM_REGIS TYPE STRING,
COMM_REG_D TYPE STRING,
CNTRY_COMP TYPE STRING,
REGIO TYPE STRING,
COMP_HEAD TYPE STRING,
LIQUID_DAT TYPE STRING,
COMP_NR TYPE STRING,
COMP_NR_AD TYPE STRING,
BUBKZ TYPE STRING,
IND_SECTOR TYPE STRING,
MIN_RESERV TYPE STRING,
BAL_SH_CUR TYPE STRING,
CAP_INCR_A TYPE STRING,
CAP_INCR_Y TYPE STRING,
BANKL TYPE STRING,
BANKS TYPE STRING,
NO_CONV TYPE STRING,
XLANGU TYPE STRING,
XADR_REF TYPE STRING,
XPAVIP TYPE STRING,
XGROUP_D TYPE STRING,
XNATION TYPE STRING,
XSTATE TYPE STRING,
XMARITALST TYPE STRING,
XPROPRTYST TYPE STRING,
XINC_CUR_K TYPE STRING,
XINC_CUR_L TYPE STRING,
XSTAFF_GRP TYPE STRING,
XLEGAL_ET TYPE STRING,
XLEGL_ORG1 TYPE STRING,
XLEGL_ORG2 TYPE STRING,
XCNTRYCOMP TYPE STRING,
XINDSECTOR TYPE STRING,
XBALSHCURK TYPE STRING,
XBALSHCURL TYPE STRING,
XBANKS TYPE STRING,
ROLETYP TYPE STRING,
APPL TYPE STRING,
ROLE TYPE STRING,
XAPPL TYPE STRING,
XROLETYP TYPE STRING,
XROLE TYPE STRING,
BUKRS TYPE STRING,
SWENR TYPE STRING,
SGRNR TYPE STRING,
SGENR TYPE STRING,
SMENR TYPE STRING,
SMIVE TYPE STRING,
INTRENO TYPE STRING,
IMKEY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RNAMNKSB_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_RNAMNKSB_STR-MANDT sy-vline 
WA_RNAMNKSB_STR-PARTNR sy-vline 
WA_RNAMNKSB_STR-PARTNR_OLD sy-vline 
WA_RNAMNKSB_STR-PARTNER sy-vline 
WA_RNAMNKSB_STR-PERSNUMBER sy-vline 
WA_RNAMNKSB_STR-BU_GROUP sy-vline 
WA_RNAMNKSB_STR-EXTPARTNR sy-vline 
WA_RNAMNKSB_STR-CUSTOMER sy-vline 
WA_RNAMNKSB_STR-TYPE sy-vline 
WA_RNAMNKSB_STR-BP_GROUP sy-vline 
WA_RNAMNKSB_STR-GROUP_ID sy-vline 
WA_RNAMNKSB_STR-NAME1 sy-vline 
WA_RNAMNKSB_STR-NAME2 sy-vline 
WA_RNAMNKSB_STR-LANGU sy-vline 
WA_RNAMNKSB_STR-TITLE sy-vline 
WA_RNAMNKSB_STR-TITLE_LET sy-vline 
WA_RNAMNKSB_STR-ADR_REF sy-vline 
WA_RNAMNKSB_STR-SORT1 sy-vline 
WA_RNAMNKSB_STR-SORT2 sy-vline 
WA_RNAMNKSB_STR-SORT_PHON sy-vline 
WA_RNAMNKSB_STR-MC_NAME1 sy-vline 
WA_RNAMNKSB_STR-MC_NAME2 sy-vline 
WA_RNAMNKSB_STR-SOURCE sy-vline 
WA_RNAMNKSB_STR-CRUSER sy-vline 
WA_RNAMNKSB_STR-CRDAT sy-vline 
WA_RNAMNKSB_STR-VIP sy-vline 
WA_RNAMNKSB_STR-GROUP_D sy-vline 
WA_RNAMNKSB_STR-DEL_IND sy-vline 
WA_RNAMNKSB_STR-BEGRU sy-vline 
WA_RNAMNKSB_STR-XTITLE sy-vline 
WA_RNAMNKSB_STR-XTIT_LE sy-vline 
WA_RNAMNKSB_STR-PAR_REL sy-vline 
WA_RNAMNKSB_STR-NAME_LAST sy-vline 
WA_RNAMNKSB_STR-NAME_FIRST sy-vline 
WA_RNAMNKSB_STR-TITLE_AC sy-vline 
WA_RNAMNKSB_STR-N_PREFIX sy-vline 
WA_RNAMNKSB_STR-N_ADDITION sy-vline 
WA_RNAMNKSB_STR-NICKNAME sy-vline 
WA_RNAMNKSB_STR-SEX sy-vline 
WA_RNAMNKSB_STR-PROFESSION sy-vline 
WA_RNAMNKSB_STR-NATION sy-vline 
WA_RNAMNKSB_STR-STATE sy-vline 
WA_RNAMNKSB_STR-BIRTH_DATE sy-vline 
WA_RNAMNKSB_STR-BIRTH_PLAC sy-vline 
WA_RNAMNKSB_STR-BIRTH_NAME sy-vline 
WA_RNAMNKSB_STR-BIRTH_N_AD sy-vline 
WA_RNAMNKSB_STR-DEATH_DATE sy-vline 
WA_RNAMNKSB_STR-MARITAL_ST sy-vline 
WA_RNAMNKSB_STR-PROPRTY_ST sy-vline 
WA_RNAMNKSB_STR-CHILDREN sy-vline 
WA_RNAMNKSB_STR-MEM_HOUSE sy-vline 
WA_RNAMNKSB_STR-INCOME_CUR sy-vline 
WA_RNAMNKSB_STR-NET_INCOME sy-vline 
WA_RNAMNKSB_STR-MO_NET_INC sy-vline 
WA_RNAMNKSB_STR-NET_INC_Y sy-vline 
WA_RNAMNKSB_STR-MO_INC_M sy-vline 
WA_RNAMNKSB_STR-MO_INC_Y sy-vline 
WA_RNAMNKSB_STR-PERS_NR sy-vline 
WA_RNAMNKSB_STR-STAFF_GRP sy-vline 
WA_RNAMNKSB_STR-HR_ORG_REF sy-vline 
WA_RNAMNKSB_STR-XUBNAME sy-vline 
WA_RNAMNKSB_STR-STAFF_REF sy-vline 
WA_RNAMNKSB_STR-ORG_NAME sy-vline 
WA_RNAMNKSB_STR-ORG_NAME2 sy-vline 
WA_RNAMNKSB_STR-CALENDARID sy-vline 
WA_RNAMNKSB_STR-LEGAL_ENTY sy-vline 
WA_RNAMNKSB_STR-LEGAL_ORG sy-vline 
WA_RNAMNKSB_STR-BALANCE_FL sy-vline 
WA_RNAMNKSB_STR-FOUND_YEAR sy-vline 
WA_RNAMNKSB_STR-COMM_REGIS sy-vline 
WA_RNAMNKSB_STR-COMM_REG_D sy-vline 
WA_RNAMNKSB_STR-CNTRY_COMP sy-vline 
WA_RNAMNKSB_STR-REGIO sy-vline 
WA_RNAMNKSB_STR-COMP_HEAD sy-vline 
WA_RNAMNKSB_STR-LIQUID_DAT sy-vline 
WA_RNAMNKSB_STR-COMP_NR sy-vline 
WA_RNAMNKSB_STR-COMP_NR_AD sy-vline 
WA_RNAMNKSB_STR-BUBKZ sy-vline 
WA_RNAMNKSB_STR-IND_SECTOR sy-vline 
WA_RNAMNKSB_STR-MIN_RESERV sy-vline 
WA_RNAMNKSB_STR-BAL_SH_CUR sy-vline 
WA_RNAMNKSB_STR-CAP_INCR_A sy-vline 
WA_RNAMNKSB_STR-CAP_INCR_Y sy-vline 
WA_RNAMNKSB_STR-BANKL sy-vline 
WA_RNAMNKSB_STR-BANKS sy-vline 
WA_RNAMNKSB_STR-NO_CONV sy-vline 
WA_RNAMNKSB_STR-XLANGU sy-vline 
WA_RNAMNKSB_STR-XADR_REF sy-vline 
WA_RNAMNKSB_STR-XPAVIP sy-vline 
WA_RNAMNKSB_STR-XGROUP_D sy-vline 
WA_RNAMNKSB_STR-XNATION sy-vline 
WA_RNAMNKSB_STR-XSTATE sy-vline 
WA_RNAMNKSB_STR-XMARITALST sy-vline 
WA_RNAMNKSB_STR-XPROPRTYST sy-vline 
WA_RNAMNKSB_STR-XINC_CUR_K sy-vline 
WA_RNAMNKSB_STR-XINC_CUR_L sy-vline 
WA_RNAMNKSB_STR-XSTAFF_GRP sy-vline 
WA_RNAMNKSB_STR-XLEGAL_ET sy-vline 
WA_RNAMNKSB_STR-XLEGL_ORG1 sy-vline 
WA_RNAMNKSB_STR-XLEGL_ORG2 sy-vline 
WA_RNAMNKSB_STR-XCNTRYCOMP sy-vline 
WA_RNAMNKSB_STR-XINDSECTOR sy-vline 
WA_RNAMNKSB_STR-XBALSHCURK sy-vline 
WA_RNAMNKSB_STR-XBALSHCURL sy-vline 
WA_RNAMNKSB_STR-XBANKS sy-vline 
WA_RNAMNKSB_STR-ROLETYP sy-vline 
WA_RNAMNKSB_STR-APPL sy-vline 
WA_RNAMNKSB_STR-ROLE sy-vline 
WA_RNAMNKSB_STR-XAPPL sy-vline 
WA_RNAMNKSB_STR-XROLETYP sy-vline 
WA_RNAMNKSB_STR-XROLE sy-vline 
WA_RNAMNKSB_STR-BUKRS sy-vline 
WA_RNAMNKSB_STR-SWENR sy-vline 
WA_RNAMNKSB_STR-SGRNR sy-vline 
WA_RNAMNKSB_STR-SGENR sy-vline 
WA_RNAMNKSB_STR-SMENR sy-vline 
WA_RNAMNKSB_STR-SMIVE sy-vline 
WA_RNAMNKSB_STR-INTRENO sy-vline 
WA_RNAMNKSB_STR-IMKEY sy-vline      INTO ld_text SEPARATED BY SPACE.

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