ABAP Select data from SAP table V_RLACCT_MUPD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_RLACCT_MUPD 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_RLACCT_MUPD. 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_RLACCT_MUPD 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_RLACCT_MUPD TYPE STANDARD TABLE OF V_RLACCT_MUPD,
      WA_V_RLACCT_MUPD TYPE V_RLACCT_MUPD,
      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_RLACCT_MUPD> TYPE V_RLACCT_MUPD.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_RLACCT_MUPD
*  INTO TABLE @DATA(IT_V_RLACCT_MUPD2).
*--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_RLACCT_MUPD INDEX 1 INTO DATA(WA_V_RLACCT_MUPD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_RLACCT_MUPD>-MANDT = 1.
<V_RLACCT_MUPD>-ACCTNO = 1.
<V_RLACCT_MUPD>-PP_VALFROM = 1.
<V_RLACCT_MUPD>-PP_VALTO = 1.
<V_RLACCT_MUPD>-ACCTME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_RLACCT_MUPD-ROLEACM, sy-vline,
  WA_V_RLACCT_MUPD-OTYPE, sy-vline,
  WA_V_RLACCT_MUPD-OBJID, sy-vline,
  WA_V_RLACCT_MUPD-ACCTSTATE, sy-vline,
  WA_V_RLACCT_MUPD-VKORG, sy-vline,
  WA_V_RLACCT_MUPD-VTWEG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_RLACCT_MUPD 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_RLACCT_MUPD 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_RLACCT_MUPD INTO WA_V_RLACCT_MUPD.


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

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

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

*Conversion exit ALPHA, internal->external for field REF_PURCH_DOC
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_RLACCT_MUPD-REF_PURCH_DOC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_RLACCT_MUPD-REF_PURCH_DOC.
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_RLACCT_MUPD_STR, 
MANDT TYPE STRING,
ACCTNO TYPE STRING,
PP_VALFROM TYPE STRING,
PP_VALTO TYPE STRING,
ACCTME TYPE STRING,
ROLEACM TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
ACCTSTATE TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
NRART TYPE STRING,
PARNR TYPE STRING,
ACST_CTRL TYPE STRING,
CPCTRL TYPE STRING,
ACST_CREATE_CTRL TYPE STRING,
KONNR TYPE STRING,
KTPNR TYPE STRING,
PLANING_CTRL TYPE STRING,
REORDBAL TYPE STRING,
ORDQUAN TYPE STRING,
REF_PURCH_DOC TYPE STRING,
ACCDELDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_RLACCT_MUPD_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_RLACCT_MUPD_STR-MANDT sy-vline 
WA_V_RLACCT_MUPD_STR-ACCTNO sy-vline 
WA_V_RLACCT_MUPD_STR-PP_VALFROM sy-vline 
WA_V_RLACCT_MUPD_STR-PP_VALTO sy-vline 
WA_V_RLACCT_MUPD_STR-ACCTME sy-vline 
WA_V_RLACCT_MUPD_STR-ROLEACM sy-vline 
WA_V_RLACCT_MUPD_STR-OTYPE sy-vline 
WA_V_RLACCT_MUPD_STR-OBJID sy-vline 
WA_V_RLACCT_MUPD_STR-ACCTSTATE sy-vline 
WA_V_RLACCT_MUPD_STR-VKORG sy-vline 
WA_V_RLACCT_MUPD_STR-VTWEG sy-vline 
WA_V_RLACCT_MUPD_STR-NRART sy-vline 
WA_V_RLACCT_MUPD_STR-PARNR sy-vline 
WA_V_RLACCT_MUPD_STR-ACST_CTRL sy-vline 
WA_V_RLACCT_MUPD_STR-CPCTRL sy-vline 
WA_V_RLACCT_MUPD_STR-ACST_CREATE_CTRL sy-vline 
WA_V_RLACCT_MUPD_STR-KONNR sy-vline 
WA_V_RLACCT_MUPD_STR-KTPNR sy-vline 
WA_V_RLACCT_MUPD_STR-PLANING_CTRL sy-vline 
WA_V_RLACCT_MUPD_STR-REORDBAL sy-vline 
WA_V_RLACCT_MUPD_STR-ORDQUAN sy-vline 
WA_V_RLACCT_MUPD_STR-REF_PURCH_DOC sy-vline 
WA_V_RLACCT_MUPD_STR-ACCDELDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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