How would you order an internal table e.g. itab according a specific field

Hello
How would you order an internal table e.g. itab according a specific field?
Would you be so kind and let me see an mini example
Thank you in advance

Hi Tina,
You can sort the table as already mentioned, or if you want it always kept in a key sequence you could define it as a sorted table something like this:
types:
begin of itabline,
field1 type c,
field2 type n,
field3 ....
end of itabline.
DATA itab TYPE sorted table of itabline WITH UNIQUE key field1.
You can then insert and read entries by the key fields.
Hope that helps as an option!
Robin

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The XM08 function group has the following type declarations:
TYPES: BEGIN OF mmcr_drseg_co.
        INCLUDE STRUCTURE cobl_mrm_d.
TYPES: cr LIKE drseg_cr    OCCURS 0,
       unpl_refwr TYPE refwr,
       END OF mmcr_drseg_co.
TYPES: mmcr_tdrseg TYPE mmcr_drseg OCCURS 0,
TYPES: BEGIN OF mmcr_drseg.
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TYPES: cr LIKE drseg_cr OCCURS 0,
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       sm LIKE drseg_sm OCCURS 0,
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But what about the "INCLUDE STRUCTURE" and the "occurs 0" specifications?
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David,
I wonder it can be directly in ABAP (I would like to hear opinions from others as well!), I needed to use Data Dictionary as well:
TYPES: BEGIN OF mmcr_drseg_co.
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the way to create internal table and work area, based on the above:
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DATA : gw_... TYPE mmcr_drseg_co.
hope this helps some
ec
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How would you model a trip or trajectory with Spatial ?

Hello,
I have a design question that is probably simple : "how would you model a trip/trajectory with Spatial".
I would like to query trips that were in a specific area between 2 dates.
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Gregory

Hi Gregory,
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How to update value in internal table from cdpos taking fname n value_new?

hello everyone,
          i want to insert value in internal table from cdpos table taking field name from fname and value from value_new.but the problem is i am not getting how to map the corresponding field of internal table with fname value which is the field name.
for example
i
fieldname
value
name1
raj
name2
sharma
i want to update field name1. this name1 is there in fname with updated value in value_new how to make name1 with fname value
thanks and regards
laxmikant soni

Hi Laxmikant,
If I have understood your requirement correctly, you need to update an internal table with latest 'value_new' from cdpos table where 'fname' = 'fieldname' .
Hope the below logic will help you:
FIELD-SYMBOLS: <wa_intab> LIKE LINE OF lt_intab. "the internal table you want to change
LOOP AT lt_intab ASSIGNING <wa_intab> .
   READ TABLE lt_cdpos INTO wa_cdpos           "lt_cdpos contains latest data selected from CDPOS
    WITH KEY fname = <wa_intab>-fieldname.
   IF sy-subrc = 0.
     <wa_intab>-value = wa_cdpos-value_new.
   ELSE.
     "//logic if the name is not there in CDPOS
   ENDIF.
   CLEAR wa_cdpos.
ENDLOOP.
If you wish to improve performance, I suggest using
1. "transporting value_new" addition in READ TABLE,
2. select only the data which you require from CDPOS,
3. create the internal tables with only fields which you require,
4. when you are using SELECT,LOOP AT statements, limit records by using WHERE condition
Regards,
Kavya

How to create an dynamic internal table with the structure of a ddic table

Hi all,
I want to fill ddic-tables (which I already created) in my abap dictionary with data out of CSV-files (which are located on the CRM-Server). The ddic tables have different amount of fields.
I started with creating a table which contains the name of the tables and the path to the matching CSV-file.
At the beginning I'm filling an internal table with part of this data (the name of the ddic-tables) - after that I am looping at this internal table.
LOOP AT lt_struc ASSIGNING <lfs_struc>.
     LOOP AT lv_itab1 INTO lv_wa1 WHERE ztab_name = <lfs_struc>.
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    Do.
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    IF sy-subrc NE 0.
      EXIT.
    ENDIF.
    enddo.
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endloop.
This is not the whole code, but it's working until
SPLIT lv_rec AT ';' INTO TABLE lt_str_values.
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If I try to create an internal table by using a fiel symbol, I am told, that the data types are not matching.
Has anyone an idea?

Hi Mayari,
though you were successfull with
METHOD cl_alv_table_create=>create_dynamic_table
I must warn you not to use it. The reason is that the number of tables created is limited, the method uses GENERATE SUBROUTINE statement and this triggers an unwanted database commit.
If you know the DDIC structure, it is (starting with ECC6.0) much easier:
field-symbols:
<table> type standard table.
data:
lr_data type ref to data.
Create data lr_data type table of (<DDIC structure>).
assign lr_data->* to <table>.
The split code can be simplified gaining speed loosing complexity not loosing functionality.
field-symbols:<fs_s> type any.
field-symbols:<fs_t> type any.
SPLIT lv_rec AT ';' INTO table it_string.
loop at it_string assigning <fs_s>.
assign component sy-tabix of wa_string to <fs_t>.
if sy-subrc = 0.
<fs_t> = <fs_s>.
endif.
at last.
append <fs_itwa3> to <ft_itab3>.
endat.
endloop.
Though it may work as Keshav.T suggested, there is no need to do that way.
Regards,
Clemens

*How can we use the internal table in module pool programming? Clarify plz*

If we creating a screen using the table having four fields(for e.g.). The screen has the functions of display, modify, delete, save, exit etc for the fields. The front-end of the screen having I/O fields of the table using internal table. How can we declare the internal table in the screen?

HI,
Create one WA for your Internal table and then map it to your fields.
For Example,
Data : begin of wa,
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          age type i,
           end of wa.
data : it like table of wa with header line.
Then in screen create input fields with the name, age and ***.
Then the user entered values are stored in name age and ***.
then you can manipulate with that values using wa.
Thanks.

How to update Records from Internal table to u2018Zu2019 table?

Hi Friends,
How to update Records from Internal table to u2018Zu2019 table.
I have records in Internal table , that records want to update on u2018Zmarau2019 Table.
( my internal table & u2018 Zu2019 table structures are same.)
Thanking you.
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Subash

Hi,
loop at internal table.
modify <Z- table > from values < internal table Workarea>.
if sy-subrc = 0.
COMMIT work.
else.
ROLLBACK waork.
endif.
endloop.
or
UPDATE <Z- table > from table < internal table Workarea>.
if sy-subrc = 0.
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ROLLBACK waork.
endif.
Prabhudas

How would you configure your database?

How would you configure your disks with those specifications?
General Database Characteristics:
os is Oracle Enterprise Linux 64 bit
Enterprise Edition
180GIG size database.
High "oltp" environment.
Estimated growth of 40 to 60GIG/year
20GIG of archivelogs/Day
Flashback time is 24 hours:120GIG of flashback space in avg
Local backup. Full database copy, then incremental is the preferred method.
That way, if a datafile goes bezerk, replace with backup datafile then recover.
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BTW: Backup is done locally first, then send to another server, than on tape.
Archivelogs is duplexed on another server.
General Hardware Info:
Server Platform: Dell PowerEdge 1950
16 GIG RAM
2 * 64 bit CPU's
2 * local 300G/15rpm disks
Storage: Dell PowerVault MD3000
15 * 300G/15rpm Disks
Possibility for 17 disks here.
Here is my configuration so far:
OS+ oracle binary + Online Redo Logs Copy 1 + Control File Copy 1: 2 disks raid 1
flashback + backup + Online Redo Logs Copy 2 + Control File Copy 2: 4 disks raid 1 or 10
archivelogs: 2 disks raid 1
Temporary Datafiles: 1 disk no raid
UNDO Datafiles: 2 disks raid 1
Datafiles 6 disk raid10
total 17 disks: + spare disks on the side of one ever fails
1) How would you configure it with those specs?
2) Is there missing info to make a particular decision?

Here is my reply concerning data separate from index files:
See http://www.dizwell.com/prod/node/751 for the complete article.
"Why wouldn't you keep indexes separate from their tables?! Because doing so makes no difference to performance... and I patiently explained that a table and its index are never accessed simultaneously by a single user so that contention between them cannot arise. And yes, in a multi-user system, of course the two could be accessed simultaneously -but so could two tables, or two indexes. "

How to create dynamic nested internal table

Hi Experts,
Pleae tell me or give sample code, how to create dynamic nested internal table ?
I have seen threads saying creation of dynamic internal tables using some table structure only. But now the requirement is to create dynamic nested internal table.
For example the internal table contains two fields viz., one is field1 of dynamic internal table and other is normal field2 and values as shown below:
Nested internal table:
field1                     |     field2 ...
<table content1>     |     value2..
<table content1>     |     value2..
Here the [table content] should also a dynamic internal table.
Let me know if you need any other info.
regards
Saravanan R

see the complete code..i am currently working in ECC6.0 EHP4. just check which version you are using..
REPORT yst_test_000.
DATA:
      lt_comptab         TYPE cl_abap_structdescr=>component_table,
      ls_comp            LIKE LINE OF lt_comptab,
      lref_newstr        TYPE REF TO cl_abap_structdescr,
      lref_tab_type      TYPE REF TO cl_abap_tabledescr,
      lt_fcat            TYPE lvc_t_fcat,
      ls_fcat            TYPE lvc_s_fcat,
      ls_dd03p           TYPE dd03p,
      lt_data            type ref to data.
field-symbols: <fs_table> type standard table.
CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
EXPORTING
    i_structure_name       = 'SCARR'
CHANGING
    ct_fieldcat            = lt_fcat
EXCEPTIONS
    inconsistent_interface = 1
    program_error          = 2
    OTHERS                 = 3.
IF sy-subrc NE 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
          WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
LOOP AT lt_fcat INTO ls_fcat.
IF ls_fcat-ref_table IS NOT INITIAL.
    CLEAR ls_dd03p.
    CALL FUNCTION 'BUS_DDFIELD_GET'
      EXPORTING
        i_tabnm         = ls_fcat-ref_table
        i_fldnm         = ls_fcat-fieldname
      IMPORTING
        e_dd03p         = ls_dd03p
      EXCEPTIONS
        field_not_found = 1
        OTHERS          = 2.
    IF sy-subrc EQ 0.
      ls_comp-name = ls_fcat-fieldname.
      ls_comp-type ?= cl_abap_datadescr=>describe_by_name( ls_dd03p-rollname ).
      APPEND ls_comp TO lt_comptab.
      CLEAR ls_comp.
    ENDIF.
ELSE.
    ls_comp-name = ls_fcat-fieldname.
    ls_comp-type ?= cl_abap_datadescr=>describe_by_name( ls_fcat-rollname ).
    APPEND ls_comp TO lt_comptab.
    CLEAR ls_comp.
ENDIF.
ENDLOOP.
*Now for the Field which you want deep table then you can do like this
ls_fcat-fieldname = 'NESTED_TABLE'.
ls_fcat-inttype    = 'C'.
ls_fcat-intlen     = '000006'.
ls_fcat-rollname   = 'SFLIGHT_TAB1'. "For SFLIGHT
APPEND ls_fcat TO lt_fcat.
ls_comp-name = ls_fcat-fieldname.
ls_comp-type ?= cl_abap_datadescr=>describe_by_name( ls_fcat-rollname ).
APPEND ls_comp TO lt_comptab.
CLEAR ls_comp.
lref_newstr = cl_abap_structdescr=>create( lt_comptab ).
lref_tab_type = cl_abap_tabledescr=>create( lref_newstr ).
create data lt_data type handle lref_tab_type.
assign lt_data->* to <fs_table>.
break-point.
Edited by: Vijay Babu Dudla on Apr 28, 2009 8:05 AM

How would you implement equals ()

For complex classes with many data members, my dilema is:
1. equals should return true only if all fields of the two objects are
equals.
2. equals should return true if the key(s) of the two objets are equal.
For instance, we have the Class Person, that contains dozens of
data: ID, name, age, job, salary, children, more 1000 items.
Person is like a record in a DB table. There can not be two persons
with the same ID.
In this case, how would you implement equals, and why?
thanks

What I'm trying to say is: what is equality foryou?
Two objects are equal if all there contents areequals
or is it enough
to compare their keys?
In the latter case, there can happen, by somereason,
that we can end
up with two objects with the same keys, but all the
rest of
the contents different.i think you meant to say that:
In the latter case, there can happen, by somereason,
that we can end
up with two objects with different keys, but
all the rest of the contents the same.and the answer is, and listen carefully, it totally
depends on the application you are writing. there
is no hard definition of equality where custom classes
are concerned... that is the answer.If this question arises, you should revisit your design.
If two entities have equal keys, they should be considered to be equal. Otherwise the attributes you call keys are in the fact normal attributes and no keys.

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Hi experts,
My requirement is to transfer data from a file to shared folder. i just did reading data from a file to a internal table. Now i want to send this internal table data into a shared folder which is "
xxx\y\z....".
I do not have any idea on how to send data from internal table to the shared folder path.
can anybody please help me out how to do this?
Thanks & Regards
Sireesha.

Where that folder is located, its on presentation server i.e. desktop or application server.
If its on presentation server, use FM GUI_UPLOAD.
If its on application server, then use DATASET functions. Have a look at below link.
[File Handling in ABAP|http://help.sap.com/saphelp_nw04/helpdata/en/fc/eb3ca6358411d1829f0000e829fbfe/frameset.htm]
I hope it helps.
Thanks,
Vibha
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Hi,
i am running a report & the fields for output is saved in an internal table which has as many as 10 fields. But I want to select only a few fields for output. There is a option COL_SELECT in function 'GUI_DOWNLOAD'. How to use it. If possible with example.

Hai VijayKumar
Try with the following code
tables : mara.
data : begin of it_mara occurs 0,
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       mtart like mara-mtart,
       meins like mara-meins,
       end of it_mara.
parameters : P_mtart like mara-mtart default 'ROH'.
start-of-selection.
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perform download_data.
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--> p1        text
<-- p2        text
FORM select_data .
select
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      mtart
      meins
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      where mtart = p_mtart.
ENDFORM.                    " select_data
*&      Form download_data
      text
--> p1        text
<-- p2        text
FORM download_data .
CALL FUNCTION 'GUI_DOWNLOAD'
EXPORTING
    FILENAME                        = 'c:\down.txt'
    FILETYPE                        = 'ASC'
    COL_SELECT                      = 'X'
    COL_SELECT_MASK                 = 'X XX'
TABLES
    DATA_TAB                        = it_mara.
IF SY-SUBRC = 0.
    SORT IT_MARA BY MATNR.
ENDIF.
ENDFORM.                    " download_data
Thanks & Regards
Sreenivasulu P

How to read an internal table by comparing the values of key fields

hi ,
i want to read internal table with multiple values for the key field . can anyone suggest the syntax or method for doing this,
thanks in advance.
regards,
manoj

Hi,
Read statement will read only one value at a time..
You can only compare with different values.
example :
read table it_mara into wa_mara with key matnr = '1000'
matnr = '2000'
matnr = '3000'.
if all the 3 records are found in the internal table then it will read the 1 record.
Regards
Satish Boguda

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Best Regards, Ashok Yadala

How would you order an internal table e.g. itab according a specific field

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