ABAP Select data from SAP table V_RELMPLC into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_RELMPLC
*  INTO TABLE @DATA(IT_V_RELMPLC2).
*--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_V_RELMPLC INDEX 1 INTO DATA(WA_V_RELMPLC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_RELMPLC>-MANDT = 1.
<V_RELMPLC>-PARTNER = 1.
<V_RELMPLC>-OBJRELGUID = 1.
<V_RELMPLC>-NAME_LAST = 1.
<V_RELMPLC>-NAME_FIRST = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_RELMPLC-MC_NAME1, sy-vline,
  WA_V_RELMPLC-MC_NAME2, sy-vline,
  WA_V_RELMPLC-NAME_ORG1, sy-vline,
  WA_V_RELMPLC-NAME_GRP1, sy-vline,
  WA_V_RELMPLC-BU_SORT1, sy-vline,
  WA_V_RELMPLC-BU_SORT2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_RELMPLC 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_V_RELMPLC 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_V_RELMPLC INTO WA_V_RELMPLC.


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

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

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

*Conversion exit REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_V_RELMPLC-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_RELMPLC-VALIDTO.
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_V_RELMPLC_STR, 
MANDT TYPE STRING,
PARTNER TYPE STRING,
OBJRELGUID TYPE STRING,
NAME_LAST TYPE STRING,
NAME_FIRST TYPE STRING,
MC_NAME1 TYPE STRING,
MC_NAME2 TYPE STRING,
NAME_ORG1 TYPE STRING,
NAME_GRP1 TYPE STRING,
BU_SORT1 TYPE STRING,
BU_SORT2 TYPE STRING,
IND_SECTOR TYPE STRING,
LOCHIER TYPE STRING,
PLSUBDIVNO TYPE STRING,
PLNO TYPE STRING,
OBJNR TYPE STRING,
XPL TYPE STRING,
VALIDTO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_RELMPLC_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_V_RELMPLC_STR-MANDT sy-vline 
WA_V_RELMPLC_STR-PARTNER sy-vline 
WA_V_RELMPLC_STR-OBJRELGUID sy-vline 
WA_V_RELMPLC_STR-NAME_LAST sy-vline 
WA_V_RELMPLC_STR-NAME_FIRST sy-vline 
WA_V_RELMPLC_STR-MC_NAME1 sy-vline 
WA_V_RELMPLC_STR-MC_NAME2 sy-vline 
WA_V_RELMPLC_STR-NAME_ORG1 sy-vline 
WA_V_RELMPLC_STR-NAME_GRP1 sy-vline 
WA_V_RELMPLC_STR-BU_SORT1 sy-vline 
WA_V_RELMPLC_STR-BU_SORT2 sy-vline 
WA_V_RELMPLC_STR-IND_SECTOR sy-vline 
WA_V_RELMPLC_STR-LOCHIER sy-vline 
WA_V_RELMPLC_STR-PLSUBDIVNO sy-vline 
WA_V_RELMPLC_STR-PLNO sy-vline 
WA_V_RELMPLC_STR-OBJNR sy-vline 
WA_V_RELMPLC_STR-XPL sy-vline 
WA_V_RELMPLC_STR-VALIDTO sy-vline      INTO ld_text SEPARATED BY SPACE.

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