ABAP Select data from SAP table RELSLR003_SEL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RELSLR003_SEL 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 RELSLR003_SEL. 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 RELSLR003_SEL 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_RELSLR003_SEL TYPE STANDARD TABLE OF RELSLR003_SEL,
      WA_RELSLR003_SEL TYPE RELSLR003_SEL,
      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: <RELSLR003_SEL> TYPE RELSLR003_SEL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RELSLR003_SEL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RELSLR003_SEL
  INTO TABLE IT_RELSLR003_SEL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RELSLR003_SEL
*  INTO TABLE @DATA(IT_RELSLR003_SEL2).
*--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_RELSLR003_SEL INDEX 1 INTO DATA(WA_RELSLR003_SEL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RELSLR003_SEL ASSIGNING <RELSLR003_SEL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RELSLR003_SEL>-SGRUNDB = 1.
<RELSLR003_SEL>-MITHAFT = 1.
<RELSLR003_SEL>-SGBVON = 1.
<RELSLR003_SEL>-XGBVON = 1.
<RELSLR003_SEL>-NBANDNR = 1.

ENDLOOP.

LOOP AT IT_RELSLR003_SEL INTO WA_RELSLR003_SEL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RELSLR003_SEL-NBLATTNR, sy-vline,
  WA_RELSLR003_SEL-SBVNR, sy-vline,
  WA_RELSLR003_SEL-SLFDBV, sy-vline,
  WA_RELSLR003_SEL-FLINTRENO, sy-vline,
  WA_RELSLR003_SEL-SNRA3, sy-vline,
  WA_RELSLR003_SEL-SLFDA3, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RELSLR003_SEL 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_RELSLR003_SEL 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_RELSLR003_SEL INTO WA_RELSLR003_SEL.


*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 NBANDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RELSLR003_SEL-NBANDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELSLR003_SEL-NBANDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JPARTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RELSLR003_SEL-JPARTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELSLR003_SEL-JPARTNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JVBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RELSLR003_SEL-JVBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELSLR003_SEL-JVBUND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FLUR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RELSLR003_SEL-FLUR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELSLR003_SEL-FLUR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field EINHEIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RELSLR003_SEL-EINHEIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELSLR003_SEL-EINHEIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BERECHT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RELSLR003_SEL-BERECHT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELSLR003_SEL-BERECHT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GLAUB
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RELSLR003_SEL-GLAUB
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELSLR003_SEL-GLAUB.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GBAMTNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RELSLR003_SEL-GBAMTNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RELSLR003_SEL-GBAMTNR.
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_RELSLR003_SEL_STR, 
SGRUNDB TYPE STRING,
MITHAFT TYPE STRING,
SGBVON TYPE STRING,
XGBVON TYPE STRING,
NBANDNR TYPE STRING,
NBLATTNR TYPE STRING,
SBVNR TYPE STRING,
SLFDBV TYPE STRING,
FLINTRENO TYPE STRING,
SNRA3 TYPE STRING,
SLFDA3 TYPE STRING,
JPARTNR TYPE STRING,
YEIGENT TYPE STRING,
JVBUND TYPE STRING,
LAND1 TYPE STRING,
BUNDESLAND TYPE STRING,
GEMARKUNG TYPE STRING,
XGEMARK TYPE STRING,
FLUR TYPE STRING,
FLURSTUECK TYPE STRING,
BRUCHT TYPE STRING,
GESHAND TYPE STRING,
MITEIG TYPE STRING,
FLAECHE TYPE STRING,
EINHEIT TYPE STRING,
DATBEWILL TYPE STRING,
FLDATEINTRAG TYPE STRING,
FLDATE_ROETUNG TYPE STRING,
KAPWERT TYPE STRING,
WAEHR TYPE STRING,
MITHAFT_KZ TYPE STRING,
KURZTEXT TYPE STRING,
XBELASTUNG TYPE STRING,
BERECHT TYPE STRING,
BERECHT_NAME TYPE STRING,
BERECHT_ADRESSE TYPE STRING,
GLAUB TYPE STRING,
GLAUB_ADRESSE TYPE STRING,
GLAUB_NAME TYPE STRING,
ZINS TYPE STRING,
GSBRIEF TYPE STRING,
BELASTUNG TYPE STRING,
LFDNR TYPE STRING,
GBAMTNR TYPE STRING,
SGRBART TYPE STRING,
GBAMT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RELSLR003_SEL_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_RELSLR003_SEL_STR-SGRUNDB sy-vline 
WA_RELSLR003_SEL_STR-MITHAFT sy-vline 
WA_RELSLR003_SEL_STR-SGBVON sy-vline 
WA_RELSLR003_SEL_STR-XGBVON sy-vline 
WA_RELSLR003_SEL_STR-NBANDNR sy-vline 
WA_RELSLR003_SEL_STR-NBLATTNR sy-vline 
WA_RELSLR003_SEL_STR-SBVNR sy-vline 
WA_RELSLR003_SEL_STR-SLFDBV sy-vline 
WA_RELSLR003_SEL_STR-FLINTRENO sy-vline 
WA_RELSLR003_SEL_STR-SNRA3 sy-vline 
WA_RELSLR003_SEL_STR-SLFDA3 sy-vline 
WA_RELSLR003_SEL_STR-JPARTNR sy-vline 
WA_RELSLR003_SEL_STR-YEIGENT sy-vline 
WA_RELSLR003_SEL_STR-JVBUND sy-vline 
WA_RELSLR003_SEL_STR-LAND1 sy-vline 
WA_RELSLR003_SEL_STR-BUNDESLAND sy-vline 
WA_RELSLR003_SEL_STR-GEMARKUNG sy-vline 
WA_RELSLR003_SEL_STR-XGEMARK sy-vline 
WA_RELSLR003_SEL_STR-FLUR sy-vline 
WA_RELSLR003_SEL_STR-FLURSTUECK sy-vline 
WA_RELSLR003_SEL_STR-BRUCHT sy-vline 
WA_RELSLR003_SEL_STR-GESHAND sy-vline 
WA_RELSLR003_SEL_STR-MITEIG sy-vline 
WA_RELSLR003_SEL_STR-FLAECHE sy-vline 
WA_RELSLR003_SEL_STR-EINHEIT sy-vline 
WA_RELSLR003_SEL_STR-DATBEWILL sy-vline 
WA_RELSLR003_SEL_STR-FLDATEINTRAG sy-vline 
WA_RELSLR003_SEL_STR-FLDATE_ROETUNG sy-vline 
WA_RELSLR003_SEL_STR-KAPWERT sy-vline 
WA_RELSLR003_SEL_STR-WAEHR sy-vline 
WA_RELSLR003_SEL_STR-MITHAFT_KZ sy-vline 
WA_RELSLR003_SEL_STR-KURZTEXT sy-vline 
WA_RELSLR003_SEL_STR-XBELASTUNG sy-vline 
WA_RELSLR003_SEL_STR-BERECHT sy-vline 
WA_RELSLR003_SEL_STR-BERECHT_NAME sy-vline 
WA_RELSLR003_SEL_STR-BERECHT_ADRESSE sy-vline 
WA_RELSLR003_SEL_STR-GLAUB sy-vline 
WA_RELSLR003_SEL_STR-GLAUB_ADRESSE sy-vline 
WA_RELSLR003_SEL_STR-GLAUB_NAME sy-vline 
WA_RELSLR003_SEL_STR-ZINS sy-vline 
WA_RELSLR003_SEL_STR-GSBRIEF sy-vline 
WA_RELSLR003_SEL_STR-BELASTUNG sy-vline 
WA_RELSLR003_SEL_STR-LFDNR sy-vline 
WA_RELSLR003_SEL_STR-GBAMTNR sy-vline 
WA_RELSLR003_SEL_STR-SGRBART sy-vline 
WA_RELSLR003_SEL_STR-GBAMT sy-vline      INTO ld_text SEPARATED BY SPACE.

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