ABAP Select data from SAP table PALLOCCYCGRPNODE 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 PALLOCCYCGRPNODE 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 PALLOCCYCGRPNODE. 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 PALLOCCYCGRPNODE 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_PALLOCCYCGRPNODE TYPE STANDARD TABLE OF PALLOCCYCGRPNODE,
      WA_PALLOCCYCGRPNODE TYPE PALLOCCYCGRPNODE,
      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: <PALLOCCYCGRPNODE> TYPE PALLOCCYCGRPNODE.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PALLOCCYCGRPNODE
*  INTO TABLE @DATA(IT_PALLOCCYCGRPNODE2).
*--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_PALLOCCYCGRPNODE INDEX 1 INTO DATA(WA_PALLOCCYCGRPNODE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PALLOCCYCGRPNODE>-MANDT = 1.
<PALLOCCYCGRPNODE>-UNIVERSALHIERNODEID = 1.
<PALLOCCYCGRPNODE>-UNIVERSALHIERARCHYVERSIONID = 1.
<PALLOCCYCGRPNODE>-UNIVERSALHIERNODEPARENTID = 1.
<PALLOCCYCGRPNODE>-UNIVERSALHIERNODEREFID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PALLOCCYCGRPNODE-UNIVERSALHIERNODETYPE, sy-vline,
  WA_PALLOCCYCGRPNODE-UNIVERSALHIERNODEENTITY, sy-vline,
  WA_PALLOCCYCGRPNODE-UNIVERSALHIERNODELEVEL, sy-vline,
  WA_PALLOCCYCGRPNODE-UNIVERSALHIERNODESEQUENCE, sy-vline,
  WA_PALLOCCYCGRPNODE-UNIVERSALHIERNODEDISPLAYORDER, sy-vline,
  WA_PALLOCCYCGRPNODE-UNIVERSALHIERNODESIGN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PALLOCCYCGRPNODE 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_PALLOCCYCGRPNODE 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_PALLOCCYCGRPNODE INTO WA_PALLOCCYCGRPNODE.


*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 LEDGER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PALLOCCYCGRPNODE-LEDGER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PALLOCCYCGRPNODE-LEDGER.
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_PALLOCCYCGRPNODE_STR, 
MANDT TYPE STRING,
UNIVERSALHIERNODEID TYPE STRING,
UNIVERSALHIERARCHYVERSIONID TYPE STRING,
UNIVERSALHIERNODEPARENTID TYPE STRING,
UNIVERSALHIERNODEREFID TYPE STRING,
UNIVERSALHIERNODETYPE TYPE STRING,
UNIVERSALHIERNODEENTITY TYPE STRING,
UNIVERSALHIERNODELEVEL TYPE STRING,
UNIVERSALHIERNODESEQUENCE TYPE STRING,
UNIVERSALHIERNODEDISPLAYORDER TYPE STRING,
UNIVERSALHIERNODESIGN TYPE STRING,
UNIVERSALHIERNODEVALIDFROM TYPE STRING,
UNIVERSALHIERNODEVALIDTO TYPE STRING,
UNIVERSALHIERNODELOWVALUE TYPE STRING,
UNIVERSALHIERNODEHIGHVALUE TYPE STRING,
UNIVERSALHIERNODECREATEDAT TYPE STRING,
UNIVERSALHIERNODECREATEDBY TYPE STRING,
UNIVERSALHIERNODEUPDATEDAT TYPE STRING,
UNIVERSALHIERNODEUPDATEDBY TYPE STRING,
ALLOCATIONTYPE TYPE STRING,
LEDGER TYPE STRING,
ALLOCATIONCYCLENAME TYPE STRING,
ALLOCATIONCYCLESTARTDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PALLOCCYCGRPNODE_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_PALLOCCYCGRPNODE_STR-MANDT sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODEID sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERARCHYVERSIONID sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODEPARENTID sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODEREFID sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODETYPE sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODEENTITY sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODELEVEL sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODESEQUENCE sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODEDISPLAYORDER sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODESIGN sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODEVALIDFROM sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODEVALIDTO sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODELOWVALUE sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODEHIGHVALUE sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODECREATEDAT sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODECREATEDBY sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODEUPDATEDAT sy-vline 
WA_PALLOCCYCGRPNODE_STR-UNIVERSALHIERNODEUPDATEDBY sy-vline 
WA_PALLOCCYCGRPNODE_STR-ALLOCATIONTYPE sy-vline 
WA_PALLOCCYCGRPNODE_STR-LEDGER sy-vline 
WA_PALLOCCYCGRPNODE_STR-ALLOCATIONCYCLENAME sy-vline 
WA_PALLOCCYCGRPNODE_STR-ALLOCATIONCYCLESTARTDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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