ABAP Select data from SAP table REOR_PERM_OCC_MULTI_LIST_L into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REOR_PERM_OCC_MULTI_LIST_L
*  INTO TABLE @DATA(IT_REOR_PERM_OCC_MULTI_LIST_L2).
*--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_REOR_PERM_OCC_MULTI_LIST_L INDEX 1 INTO DATA(WA_REOR_PERM_OCC_MULTI_LIST_L2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REOR_PERM_OCC_MULTI_LIST_L>-MANDT = 1.
<REOR_PERM_OCC_MULTI_LIST_L>-POGUID = 1.
<REOR_PERM_OCC_MULTI_LIST_L>-OBJNROO = 1.
<REOR_PERM_OCC_MULTI_LIST_L>-OCCUPANT = 1.
<REOR_PERM_OCC_MULTI_LIST_L>-OCCUPANTROLE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REOR_PERM_OCC_MULTI_LIST_L-OCCUPANTOBJNR, sy-vline,
  WA_REOR_PERM_OCC_MULTI_LIST_L-VALIDFROM, sy-vline,
  WA_REOR_PERM_OCC_MULTI_LIST_L-VALIDTO, sy-vline,
  WA_REOR_PERM_OCC_MULTI_LIST_L-OCCPOSITION, sy-vline,
  WA_REOR_PERM_OCC_MULTI_LIST_L-PLANRESP, sy-vline,
  WA_REOR_PERM_OCC_MULTI_LIST_L-PLANRESPROLE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REOR_PERM_OCC_MULTI_LIST_L 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_REOR_PERM_OCC_MULTI_LIST_L 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_REOR_PERM_OCC_MULTI_LIST_L INTO WA_REOR_PERM_OCC_MULTI_LIST_L.


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

*Conversion exit REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REOR_PERM_OCC_MULTI_LIST_L-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REOR_PERM_OCC_MULTI_LIST_L-VALIDTO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit REDAT, internal->external for field ACCTASSOBJVALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REOR_PERM_OCC_MULTI_LIST_L-ACCTASSOBJVALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REOR_PERM_OCC_MULTI_LIST_L-ACCTASSOBJVALIDTO.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit REDAT, internal->external for field OOEND
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_REOR_PERM_OCC_MULTI_LIST_L-OOEND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REOR_PERM_OCC_MULTI_LIST_L-OOEND.
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_REOR_PERM_OCC_MULTI_LIST_L_STR, 
MANDT TYPE STRING,
POGUID TYPE STRING,
OBJNROO TYPE STRING,
OCCUPANT TYPE STRING,
OCCUPANTROLE TYPE STRING,
OCCUPANTOBJNR TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
OCCPOSITION TYPE STRING,
PLANRESP TYPE STRING,
PLANRESPROLE TYPE STRING,
PLANIND TYPE STRING,
PLANSTATUS TYPE STRING,
PLANTYPE TYPE STRING,
PLANENTRYTYPE TYPE STRING,
PLANIGNORE TYPE STRING,
ISPERIODMANUAL TYPE STRING,
MPID TYPE STRING,
ACCTASSOBJNR TYPE STRING,
PRICEFACTOR TYPE STRING,
ISOCCEXT TYPE STRING,
OBJNRCN TYPE STRING,
XPO TYPE STRING,
OCCOBJEXT TYPE STRING,
POSRCGUID TYPE STRING,
PODESTGUID TYPE STRING,
POPLANGUID TYPE STRING,
OCCQUOTENUM TYPE STRING,
OCCQUOTEDENOM TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
XOCCUPANT TYPE STRING,
XOCCUPANTROLE TYPE STRING,
XPLANRESP TYPE STRING,
XPLANRESPROLE TYPE STRING,
ACCTASSOBJIDENT TYPE STRING,
ACCTASSOBJIDENTKEY TYPE STRING,
ACCTASSOBJTYPE TYPE STRING,
OOIDEXT TYPE STRING,
CAPACITY TYPE STRING,
CAPUNIT TYPE STRING,
XOCCPOSITION TYPE STRING,
IDENTKEYCN TYPE STRING,
OCCQUOTE TYPE STRING,
XOCCQUOTE TYPE STRING,
XPARTNER TYPE STRING,
PARTNER TYPE STRING,
PARTNERROLE TYPE STRING,
ACCTASSOBJDESCRIPTION TYPE STRING,
ACCTASSOBJVALIDFROM TYPE STRING,
ACCTASSOBJVALIDTO TYPE STRING,
OOID TYPE STRING,
OOBEG TYPE STRING,
OOEND TYPE STRING,
CHANGEIND TYPE STRING,
CELLTAB TYPE STRING,
ICON_PLANIND TYPE STRING,
ICON_PLANSTATUS TYPE STRING,
ICON_CHANGEIND TYPE STRING,
XDESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REOR_PERM_OCC_MULTI_LIST_L_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_REOR_PERM_OCC_MULTI_LIST_L_STR-MANDT sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-POGUID sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OBJNROO sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OCCUPANT sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OCCUPANTROLE sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OCCUPANTOBJNR sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-VALIDFROM sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-VALIDTO sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OCCPOSITION sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-PLANRESP sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-PLANRESPROLE sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-PLANIND sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-PLANSTATUS sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-PLANTYPE sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-PLANENTRYTYPE sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-PLANIGNORE sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ISPERIODMANUAL sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-MPID sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ACCTASSOBJNR sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-PRICEFACTOR sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ISOCCEXT sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OBJNRCN sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-XPO sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OCCOBJEXT sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-POSRCGUID sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-PODESTGUID sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-POPLANGUID sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OCCQUOTENUM sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OCCQUOTEDENOM sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-RERF sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-DERF sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-TERF sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-REHER sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-RBEAR sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-DBEAR sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-TBEAR sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-RBHER sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-XOCCUPANT sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-XOCCUPANTROLE sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-XPLANRESP sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-XPLANRESPROLE sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ACCTASSOBJIDENT sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ACCTASSOBJIDENTKEY sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ACCTASSOBJTYPE sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OOIDEXT sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-CAPACITY sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-CAPUNIT sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-XOCCPOSITION sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-IDENTKEYCN sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OCCQUOTE sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-XOCCQUOTE sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-XPARTNER sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-PARTNER sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-PARTNERROLE sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ACCTASSOBJDESCRIPTION sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ACCTASSOBJVALIDFROM sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ACCTASSOBJVALIDTO sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OOID sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OOBEG sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-OOEND sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-CHANGEIND sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-CELLTAB sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ICON_PLANIND sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ICON_PLANSTATUS sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-ICON_CHANGEIND sy-vline 
WA_REOR_PERM_OCC_MULTI_LIST_L_STR-XDESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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