ABAP Select data from SAP table RCOMPOSE_NUMBER into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RCOMPOSE_NUMBER 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 RCOMPOSE_NUMBER. 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 RCOMPOSE_NUMBER 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_RCOMPOSE_NUMBER TYPE STANDARD TABLE OF RCOMPOSE_NUMBER,
      WA_RCOMPOSE_NUMBER TYPE RCOMPOSE_NUMBER,
      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: <RCOMPOSE_NUMBER> TYPE RCOMPOSE_NUMBER.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCOMPOSE_NUMBER
*  INTO TABLE @DATA(IT_RCOMPOSE_NUMBER2).
*--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_RCOMPOSE_NUMBER INDEX 1 INTO DATA(WA_RCOMPOSE_NUMBER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCOMPOSE_NUMBER>-RANL = 1.
<RCOMPOSE_NUMBER>-SOBJEKT = 1.
<RCOMPOSE_NUMBER>-RANLSTAMNR = 1.
<RCOMPOSE_NUMBER>-XAKT = 1.
<RCOMPOSE_NUMBER>-RKLAMMER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCOMPOSE_NUMBER-BUT000, sy-vline,
  WA_RCOMPOSE_NUMBER-CLIENT, sy-vline,
  WA_RCOMPOSE_NUMBER-PARTNER, sy-vline,
  WA_RCOMPOSE_NUMBER-TYPE, sy-vline,
  WA_RCOMPOSE_NUMBER-BPKIND, sy-vline,
  WA_RCOMPOSE_NUMBER-BU_GROUP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCOMPOSE_NUMBER 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_RCOMPOSE_NUMBER 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_RCOMPOSE_NUMBER INTO WA_RCOMPOSE_NUMBER.


*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 RANL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCOMPOSE_NUMBER-RANL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCOMPOSE_NUMBER-RANL.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field ADDRCOMM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RCOMPOSE_NUMBER-ADDRCOMM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCOMPOSE_NUMBER-ADDRCOMM.
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_RCOMPOSE_NUMBER_STR, 
RANL TYPE STRING,
SOBJEKT TYPE STRING,
RANLSTAMNR TYPE STRING,
XAKT TYPE STRING,
RKLAMMER TYPE STRING,
BUT000 TYPE STRING,
CLIENT TYPE STRING,
PARTNER TYPE STRING,
TYPE TYPE STRING,
BPKIND TYPE STRING,
BU_GROUP TYPE STRING,
BPEXT TYPE STRING,
BU_SORT1 TYPE STRING,
BU_SORT2 TYPE STRING,
SOURCE TYPE STRING,
TITLE TYPE STRING,
XDELE TYPE STRING,
XBLCK TYPE STRING,
AUGRP TYPE STRING,
TITLE_LET TYPE STRING,
BU_LOGSYS TYPE STRING,
CONTACT TYPE STRING,
NOT_RELEASED TYPE STRING,
NOT_LG_COMPETENT TYPE STRING,
PRINT_MODE TYPE STRING,
BP_EEW_DUMMY TYPE STRING,
RATE TYPE STRING,
NAME_ORG1 TYPE STRING,
NAME_ORG2 TYPE STRING,
NAME_ORG3 TYPE STRING,
NAME_ORG4 TYPE STRING,
LEGAL_ENTY TYPE STRING,
IND_SECTOR TYPE STRING,
LEGAL_ORG TYPE STRING,
FOUND_DAT TYPE STRING,
LIQUID_DAT TYPE STRING,
LOCATION_1 TYPE STRING,
LOCATION_2 TYPE STRING,
LOCATION_3 TYPE STRING,
NAME_LAST TYPE STRING,
NAME_FIRST TYPE STRING,
NAME_LST2 TYPE STRING,
NAME_LAST2 TYPE STRING,
NAMEMIDDLE TYPE STRING,
TITLE_ACA1 TYPE STRING,
TITLE_ACA2 TYPE STRING,
TITLE_ROYL TYPE STRING,
PREFIX1 TYPE STRING,
PREFIX2 TYPE STRING,
NAME1_TEXT TYPE STRING,
NICKNAME TYPE STRING,
INITIALS TYPE STRING,
NAMEFORMAT TYPE STRING,
NAMCOUNTRY TYPE STRING,
LANGU_CORR TYPE STRING,
XSEXM TYPE STRING,
XSEXF TYPE STRING,
BIRTHPL TYPE STRING,
MARST TYPE STRING,
EMPLO TYPE STRING,
JOBGR TYPE STRING,
NATIO TYPE STRING,
CNTAX TYPE STRING,
CNDSC TYPE STRING,
PERSNUMBER TYPE STRING,
XSEXU TYPE STRING,
XUBNAME TYPE STRING,
BU_LANGU TYPE STRING,
GENDER TYPE STRING,
BIRTHDT TYPE STRING,
DEATHDT TYPE STRING,
PERNO TYPE STRING,
CHILDREN TYPE STRING,
MEM_HOUSE TYPE STRING,
BIRTHDT_STATUS TYPE STRING,
PARTGRPTYP TYPE STRING,
NAME_GRP1 TYPE STRING,
NAME_GRP2 TYPE STRING,
MC_NAME1 TYPE STRING,
MC_NAME2 TYPE STRING,
CRUSR TYPE STRING,
CRDAT TYPE STRING,
CRTIM TYPE STRING,
CHUSR TYPE STRING,
CHDAT TYPE STRING,
CHTIM TYPE STRING,
PARTNER_GUID TYPE STRING,
ADDRCOMM TYPE STRING,
TD_SWITCH TYPE STRING,
IS_ORG_CENTRE TYPE STRING,
DB_KEY TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
XPCPT TYPE STRING,
NATPERS TYPE STRING,
MILVE TYPE STRING,
NUC_SEC TYPE STRING,
PAR_REL TYPE STRING,
BP_SORT TYPE STRING,
KBANKS TYPE STRING,
KBANKL TYPE STRING,
VDGPO TYPE STRING,
VDARLOBJ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCOMPOSE_NUMBER_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_RCOMPOSE_NUMBER_STR-RANL sy-vline 
WA_RCOMPOSE_NUMBER_STR-SOBJEKT sy-vline 
WA_RCOMPOSE_NUMBER_STR-RANLSTAMNR sy-vline 
WA_RCOMPOSE_NUMBER_STR-XAKT sy-vline 
WA_RCOMPOSE_NUMBER_STR-RKLAMMER sy-vline 
WA_RCOMPOSE_NUMBER_STR-BUT000 sy-vline 
WA_RCOMPOSE_NUMBER_STR-CLIENT sy-vline 
WA_RCOMPOSE_NUMBER_STR-PARTNER sy-vline 
WA_RCOMPOSE_NUMBER_STR-TYPE sy-vline 
WA_RCOMPOSE_NUMBER_STR-BPKIND sy-vline 
WA_RCOMPOSE_NUMBER_STR-BU_GROUP sy-vline 
WA_RCOMPOSE_NUMBER_STR-BPEXT sy-vline 
WA_RCOMPOSE_NUMBER_STR-BU_SORT1 sy-vline 
WA_RCOMPOSE_NUMBER_STR-BU_SORT2 sy-vline 
WA_RCOMPOSE_NUMBER_STR-SOURCE sy-vline 
WA_RCOMPOSE_NUMBER_STR-TITLE sy-vline 
WA_RCOMPOSE_NUMBER_STR-XDELE sy-vline 
WA_RCOMPOSE_NUMBER_STR-XBLCK sy-vline 
WA_RCOMPOSE_NUMBER_STR-AUGRP sy-vline 
WA_RCOMPOSE_NUMBER_STR-TITLE_LET sy-vline 
WA_RCOMPOSE_NUMBER_STR-BU_LOGSYS sy-vline 
WA_RCOMPOSE_NUMBER_STR-CONTACT sy-vline 
WA_RCOMPOSE_NUMBER_STR-NOT_RELEASED sy-vline 
WA_RCOMPOSE_NUMBER_STR-NOT_LG_COMPETENT sy-vline 
WA_RCOMPOSE_NUMBER_STR-PRINT_MODE sy-vline 
WA_RCOMPOSE_NUMBER_STR-BP_EEW_DUMMY sy-vline 
WA_RCOMPOSE_NUMBER_STR-RATE sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAME_ORG1 sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAME_ORG2 sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAME_ORG3 sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAME_ORG4 sy-vline 
WA_RCOMPOSE_NUMBER_STR-LEGAL_ENTY sy-vline 
WA_RCOMPOSE_NUMBER_STR-IND_SECTOR sy-vline 
WA_RCOMPOSE_NUMBER_STR-LEGAL_ORG sy-vline 
WA_RCOMPOSE_NUMBER_STR-FOUND_DAT sy-vline 
WA_RCOMPOSE_NUMBER_STR-LIQUID_DAT sy-vline 
WA_RCOMPOSE_NUMBER_STR-LOCATION_1 sy-vline 
WA_RCOMPOSE_NUMBER_STR-LOCATION_2 sy-vline 
WA_RCOMPOSE_NUMBER_STR-LOCATION_3 sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAME_LAST sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAME_FIRST sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAME_LST2 sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAME_LAST2 sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAMEMIDDLE sy-vline 
WA_RCOMPOSE_NUMBER_STR-TITLE_ACA1 sy-vline 
WA_RCOMPOSE_NUMBER_STR-TITLE_ACA2 sy-vline 
WA_RCOMPOSE_NUMBER_STR-TITLE_ROYL sy-vline 
WA_RCOMPOSE_NUMBER_STR-PREFIX1 sy-vline 
WA_RCOMPOSE_NUMBER_STR-PREFIX2 sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAME1_TEXT sy-vline 
WA_RCOMPOSE_NUMBER_STR-NICKNAME sy-vline 
WA_RCOMPOSE_NUMBER_STR-INITIALS sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAMEFORMAT sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAMCOUNTRY sy-vline 
WA_RCOMPOSE_NUMBER_STR-LANGU_CORR sy-vline 
WA_RCOMPOSE_NUMBER_STR-XSEXM sy-vline 
WA_RCOMPOSE_NUMBER_STR-XSEXF sy-vline 
WA_RCOMPOSE_NUMBER_STR-BIRTHPL sy-vline 
WA_RCOMPOSE_NUMBER_STR-MARST sy-vline 
WA_RCOMPOSE_NUMBER_STR-EMPLO sy-vline 
WA_RCOMPOSE_NUMBER_STR-JOBGR sy-vline 
WA_RCOMPOSE_NUMBER_STR-NATIO sy-vline 
WA_RCOMPOSE_NUMBER_STR-CNTAX sy-vline 
WA_RCOMPOSE_NUMBER_STR-CNDSC sy-vline 
WA_RCOMPOSE_NUMBER_STR-PERSNUMBER sy-vline 
WA_RCOMPOSE_NUMBER_STR-XSEXU sy-vline 
WA_RCOMPOSE_NUMBER_STR-XUBNAME sy-vline 
WA_RCOMPOSE_NUMBER_STR-BU_LANGU sy-vline 
WA_RCOMPOSE_NUMBER_STR-GENDER sy-vline 
WA_RCOMPOSE_NUMBER_STR-BIRTHDT sy-vline 
WA_RCOMPOSE_NUMBER_STR-DEATHDT sy-vline 
WA_RCOMPOSE_NUMBER_STR-PERNO sy-vline 
WA_RCOMPOSE_NUMBER_STR-CHILDREN sy-vline 
WA_RCOMPOSE_NUMBER_STR-MEM_HOUSE sy-vline 
WA_RCOMPOSE_NUMBER_STR-BIRTHDT_STATUS sy-vline 
WA_RCOMPOSE_NUMBER_STR-PARTGRPTYP sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAME_GRP1 sy-vline 
WA_RCOMPOSE_NUMBER_STR-NAME_GRP2 sy-vline 
WA_RCOMPOSE_NUMBER_STR-MC_NAME1 sy-vline 
WA_RCOMPOSE_NUMBER_STR-MC_NAME2 sy-vline 
WA_RCOMPOSE_NUMBER_STR-CRUSR sy-vline 
WA_RCOMPOSE_NUMBER_STR-CRDAT sy-vline 
WA_RCOMPOSE_NUMBER_STR-CRTIM sy-vline 
WA_RCOMPOSE_NUMBER_STR-CHUSR sy-vline 
WA_RCOMPOSE_NUMBER_STR-CHDAT sy-vline 
WA_RCOMPOSE_NUMBER_STR-CHTIM sy-vline 
WA_RCOMPOSE_NUMBER_STR-PARTNER_GUID sy-vline 
WA_RCOMPOSE_NUMBER_STR-ADDRCOMM sy-vline 
WA_RCOMPOSE_NUMBER_STR-TD_SWITCH sy-vline 
WA_RCOMPOSE_NUMBER_STR-IS_ORG_CENTRE sy-vline 
WA_RCOMPOSE_NUMBER_STR-DB_KEY sy-vline 
WA_RCOMPOSE_NUMBER_STR-VALID_FROM sy-vline 
WA_RCOMPOSE_NUMBER_STR-VALID_TO sy-vline 
WA_RCOMPOSE_NUMBER_STR-XPCPT sy-vline 
WA_RCOMPOSE_NUMBER_STR-NATPERS sy-vline 
WA_RCOMPOSE_NUMBER_STR-MILVE sy-vline 
WA_RCOMPOSE_NUMBER_STR-NUC_SEC sy-vline 
WA_RCOMPOSE_NUMBER_STR-PAR_REL sy-vline 
WA_RCOMPOSE_NUMBER_STR-BP_SORT sy-vline 
WA_RCOMPOSE_NUMBER_STR-KBANKS sy-vline 
WA_RCOMPOSE_NUMBER_STR-KBANKL sy-vline 
WA_RCOMPOSE_NUMBER_STR-VDGPO sy-vline 
WA_RCOMPOSE_NUMBER_STR-VDARLOBJ sy-vline      INTO ld_text SEPARATED BY SPACE.

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