Maximum record limit for internal table

hello all,
can any one tell me what is the maximum limit of internal table. i would like to add all records from bseg to internal table. so i can improve processing time.
thanks,
raj

hi,
Before Release 4.0A, ABAP stored the content of internal tables in a combination of main memory and file space. This means that the maximum size of all internal tables of all programs running on such an application server at one time is about 2 GB. With Release 4.0A or greater, this size decreases to about 500 MB. (Note that those values aren't fixed, but this is a good guide. This minimum of 500 MB is the lowest limit of the real value, which varies among different operating systems and even among different releases of the same operating system.)
It may sound strange that a newer release has a higher restriction on capacity. But it's a consequence of the fact that the contents of internal tables move from a reserved file to shared memory. When you process internal tables this way in Release 4.0A or greater, you pay for much better performance with a smaller potential size.
Regards,
Sourabh

Similar Messages

Maximum record length in internal table?

Is there a maximum record length in an internal table? Please note: My question is NOT related to table space. I'm referring only to the length of an individual record (A.K.A. row length).
I am using a work area to insert data into an internal table. Both the work area and internal table are defined by the same structure.
The structure has a total length of 672 bytes. For the sake of this discussion I'll point out that at the end of the structure, bytes 669, 670, 671, and 672 are four separate fields of 1 character each.
When viewing the work area record in the debugger I'm seeing all the fields and all the values. When viewing the internal table in the debugger after a record is inserted, the internal table ends with the field defined at Byte 670. The internal table does not include the two fields defined at Bytes 671 and 672.
Am I to assume from the above explanation that the length of a record ( A.K.A. row) in an internal table cannot exceed 670 bytes?
Thank you.

Manish,
False alarm! While, technically, you didn't answer my question, your request for code ended up helping me answer my own question.
To provide you with some code I wrote a simple test program using the record layout referred to above, with a DO loop to put some records into the internal table, followed by a LOOP AT, with accompanying WRITE statements to display the contents of the internal table and demonstrate that the last two fields weren't being stored.
However, when I ran the test program, the last two fields were being displayed.
It was at that point, when stepping through the debugger that I noticed the scroll arrows above the last column of my internal table that allowed me to scroll to the right and see my final two fields.
Apparently, because of the large number of fields in my internal table I had reached the default display length of the debugger. While I was obviously aware of the scroll bar found at the bottom of the display, I had never worked with an internal table of that width in the past and hadn't even noticed the scroll arrows above the last column before.
Thanks for taking the time to respond helping me get to the solution.

To count number of records in an internal table for a condition

Hello All,
I want to count number of records in an internal table for a condition.
For e.g. -- I have one internal table IT which having fields F1, F2, F3, F4, F5.
Now, I want number of records in itnternal table IT where F1 = 'ABC'.
Is it possible to do..?? If yes, then how.??
Thanks in advance...!!
Regards,
Poonam.

Hi,
If you mean an internal table, there are a few ways to do this.
1 One would be to loop over the table with a WHERE clause and increment a counter.
data: lv_counter type i.
clear lv_counter.
loop at itab where fld1 = 'ABC'.
lv_counter = lv_counter + 1.
endloop.
lv_counter now has the number of rows per the condiction.
2 Well, you may want to try this as well, and compare to the LOOP way. Not sure what kind of overhead you may get doing this way. Here ITAB is our main internal table, and ITAB_TMP is a copy of it. Again I think there may be some overhead in doing the copy. Next, delete out all records which are the reverse of your condition. Then whatever is left is the rows that you want to count. Then simply do a LINES operator on the internal table, passing the number of lines to LV_COUNT.
data: itab type table of ttab.
data: itab_tmp type table of ttab.
itab_tmp[] = itab[].
delete table itab_tmp where fld1 'ABC'.
lv_count = lines( itab_tmp ).
Thanks & Regards,
ShreeMohan

Two billion record limit for non-partitioned HANA tables?

Is there a two billion record limit for non-partitioned HANA tables? I've seen discussion on SCN, but can't find any official SAP documentation.

Hi John,
Yes there is a limit for non-partitioned tables in HANA. In the first page of this document says: SAP HANA Database – Partitioning and Distribution of Large Tables
A non - partitioned table cannot store more than 2 billion rows. By using partitioning, this
limit may overcome by distributing the rows to several partitions. Please note, each partition must not contain more than 2 billion rows.
Cheers,
Sarhan.

Count the Records in an internal table without a loop.

How do i count the number of records in an internal table without using the loop statement.
The Describe statement give the total no. of records in the internal table.But i want the count of the key fields in the internal table
For eg
Row Field
1       A
2       A
3       A
4       B
5       B
6       C
Count of A = 3
Count of B = 2
Count of C = 1

Dilip,
I think isn't posible. Only 3 ideas:
1ª, make other table "table2", similar to your actual table.
     table2[] = yourtable[].
     delete table2 where key <> 'A'.
     describe table table2 lines contA.
    But depending the amount of data, you may have problems in performance or memory consumption...
2ª, make other table, only with the keys fields and a count field,
    data begin table2
       key_field1,
       cont type i.
    end data.
   when you append lines to yourdata, make a collect to this table:
    table2-keys = yourtable-keys.
    table2-cont = 1.
   collect table2.
   But only works if you can modify the program where data is appended, and you may be carefull when data is deleted :-(...
3ª if your data if filled in a select, you may fill the table2 of point 2ª, making a similar select but:
   select keyfields count( * ) into table table2
from ...
where (the same you have to fill your original table...)
   group by keys.
But you have the same problem is data is deleted later...
I hope that any of the three is useful for you...
Edited by: Diego Alvarez on Jan 5, 2010 5:09 PM

How to delete records from dynamic internal table.

Hi Experts,
Need urgent help!!!
Issue is with Dynamic internal tables.
Below is code written by me :
FORM select_query USING Lw_tabnam
                  TYPE t682i-kotabnr.
DATA : lw_line TYPE REF TO data,
          lw_line1 TYPE REF TO data.
    CREATE DATA Lw_line    TYPE (lw_TABNAM).
    ASSIGN      Lw_line->* TO   <WA_tbl>.
    CREATE DATA LW_LINE    TYPE STANDARD TABLE OF (Lw_tabnam)
                           WITH NON-UNIQUE DEFAULT KEY.
    ASSIGN      Lw_line->* TO <TBL>.
    SELECT * FROM (Lw_tabnam)
             INTO CORRESPONDING FIELDS OF TABLE <TBL>
             WHERE (t_keys).
Endform.
code is working fine.
here even the table name and where condition are dynamic,everything is fine upto this point.
Now i have to delete some record from <TBL> based on some conditons.
     for ex : ( here lc_fieldname is KUNNR)
      loop at t_kunnr.
          lw_tabix = sy-tabix.
        Read table <tbl>
                with key (lc_fieldname) = t_kunnr-kunnr ASSIGNING <wa_tbl>.
        If sy-subrc = 0.
        *Delete
        delete <tbl> from <wa_tbl>
delete <tbl> index lw_tabix.
        Endif.
     Endloop.
The above delete statement doesn't work ,even we can't use index as it gives a syntax error " something related to "index is not allowed in standard table or hash table.
Can you help me ab't how to delete records in Dynamic internal table?
Other option that i am thinking of is to create a static table of type dynamic table.
means, data itab type standard table of <tbl> .I know the syntax is wrong ,however is there any way to do this?
Thanks in advance ,
If you have any suggestion ab't this then do let me know.
bye,
Gaurav.

Hi
I wrote this code and it works fine:
DATA LW_TABNAM(10) VALUE 'LFA1'.
DATA : LW_LINES TYPE REF TO DATA,
       LW_LINE TYPE REF TO DATA.
FIELD-SYMBOLS: <TABLE> TYPE TABLE,
               <WA>    TYPE ANY.
CREATE DATA LW_LINES TYPE TABLE OF (LW_TABNAM)
WITH NON-UNIQUE DEFAULT KEY.
ASSIGN LW_LINES->* TO <TABLE>.
CREATE DATA LW_LINE TYPE (LW_TABNAM).
ASSIGN LW_LINE->* TO <WA>.
DO 10 TIMES.
APPEND INITIAL LINE TO <TABLE>.
ENDDO.
SY-TABIX = 4.
DELETE <TABLE> INDEX SY-TABIX.
WRITE SY-SUBRC.
I hope it help you
Max

@Inserting Records in an Internal Table

Hi,
How can I Insert records in an internal table..such that i can insert the records somewhere in the middle based on the entry in a field?

INSERT wa INTO TABLE itab INDEX idx .
Effect
This variant can only be used for standard tables and sorted tables. Each line line_spec to be inserted into the line before the table index idx and the table index of the following lines is increased by one. A data object of the type i is expected for idx.
If idx contains a value equal to the number of the existing table lines plus one, the new line is appended as the last line in the internal table. If idx contains a greater value, no line is inserted and sy-subrc is set to 4.
An exception that cannot be handled is raised when:
idx contains a value less than or equal to 0
A line to be inserted would cause a duplicate entry in tables with a unique table key
A line to be inserted would disrupt the sort order of sorted tables
Within a LOOP loop, you can omit the addition INDEX. Each line to be inserted is inserted before the current table line of the LOOP loop. However, if the current line is deleted in the same loop pass, the response is undefined.

Summarizing records in a internal table

hi
what is meant by summarizing records in an internal table
vamsi

HI
please go through this:
u will get some idea.
Appending Summarized Lines
The following statement allows you to summate entries in an internal table:
COLLECT <wa> INTO <itab>.
<itab> must have a flat line type, and all of the fields that are not part of the table key must have
a numeric type (F, I, or P). You specify the line that you want to add in a work area that is
compatible with the line type.
When the line is inserted, the system checks whether there is already a table entry that matches
the key. If there is no corresponding entry already in the table, the COLLECT statement has the
same effect as inserting the new line [Page 282]. If an entry with the same key already exists, the
COLLECT statement does not append a new line, but adds the contents of the numeric fields in
the work area to the contents of the numeric fields in the existing entry.
You should only use the COLLECT statement if you want to create summarized tables. If you
use other statements to insert table entries, you may end up with duplicate entries.
Lines are added to internal tables as follows:
Standard tables
If the COLLECT statement is the first statement to fill the standard table, the system
creates a temporary hash administration that identifies existing entries in the table. The
hash administration is retained until another statement changes the contents of key fields
or changes the sequence of the lines in the internal table. After this, the system finds
existing entries using a linear search. The runtime for this operation increases in linear
relation to the number of existing table entries. The system field SY-TABIX contains the
index of the line inserted or modified in the COLLECT statement.
Sorted tables
The system uses a binary search to locate existing lines. The runtime for the operation
increases logarithmically with the number of existing lines. The system field SY-TABIX
contains the index of the line inserted or modified in the COLLECT statement.
Hashed tables
The system finds existing lines using the hash algorithm of the internal table. After the
COLLECT statement, the system field SY-TABIX has the value 0, since hashed tables
have no linear index.
Example
DATA: BEGIN OF LINE,
COL1(3) TYPE C,
COL2(2) TYPE N,
COL3 TYPE I,
END OF LINE.
DATA ITAB LIKE SORTED TABLE OF LINE
WITH NON-UNIQUE KEY COL1 COL2.
BC - ABAP Programming SAP AG
Appending Summarized Lines
286 April 2001
LINE-COL1 = 'abc'. LINE-COL2 = '12'. LINE-COL3 = 3.
COLLECT LINE INTO ITAB.
WRITE / SY-TABIX.
LINE-COL1 = 'def'. LINE-COL2 = '34'. LINE-COL3 = 5.
COLLECT LINE INTO ITAB.
WRITE / SY-TABIX.
LINE-COL1 = 'abc'. LINE-COL2 = '12'. LINE-COL3 = 7.
COLLECT LINE INTO ITAB.
WRITE / SY-TABIX.
LOOP AT ITAB INTO LINE.
WRITE: / LINE-COL1, LINE-COL2, LINE-COL3.
ENDLOOP.
Thanks
Shiva

Record count in internal table

i want to know record count for the records stored in
internal table.
do we have any system field to display record count?

Hi,
Try this:
Data: count_lines type i.
describe table my_table lines count_lines.
Regards,
Arjan

Store the vital info from the absence quota record in an internal table

Hi experts,
I want to detrmine if the Absence records (PA2001 rec) deduction from date (PA2001-BEGDA) and absence to date (PA2001-ENDDA) are permissible for the validity period of the Absence Quota record (the PA2006 rec). If the quotas deduction from date, PA2006-DESTA, is greater than the PA2001-BEGDA, we then need to identify this absence quota record for change and change the deduction from date, PA2006-DESTA, to be the same as PA2001-BEGDA. Store the vital info from the absence quota record in an internal table and record the new date that the deduction from date that needs to be changed to. The changes will be made via a BDC session.
Please help me out...
Thanks,
Vicky

This looks possible if we code it in 'dynamic action' table, but the BDC may not read it during run time.
Do you still have this issue?
Thanks
Narasimha

Calcullating no. of records in an internal table based on condition

Hi,
i have several records in an internal table. i need to calculate the number of records which meets a condition. is there any simple logic to find the records which meet the required criteria apart from looping into the internal table.
your help would be appreciated.
Thanks,
kranthi.

Hi,
U can use sy-dbcnt after the select querry.
DBCNT Number of elements in edited dataset with DB operations
WRITE: /12 'Number of selected records:', SY-DBCNT CENTERED.
REPORT ZZZ_TEST1 .
Tables: mara.
Types: begin of ty_mara,
matnr like mara-matnr,
end of ty_mara.
DATA: i_mara TYPE STANDARD TABLE OF ty_mara.
DATA: v_cnt like sy-dbcnt.
SELECT-OPTIONS: s_matnr FOR MARA-matnr.
SELECT matnr from mara into table i_mara.
if sy-subrc = 0.
v_cnt = sy-dbcnt.
WRITE: /12 'Number of selected records:', v_cnt CENTERED.
endif.
Hope this helps u.
Thanks & Regards,
Judith.

Need a logic for Internal table processing

Hi,
I have a requirement...an internal table contains three fields material no, bin no, and Quantity
Mat. No    |         Bin No        |              Quantity
a              |              x1         |                   10
a              |              x1         |                   10
a              |              x2         |                   20
b              |              x3         |                   10
c              |              x3         |                   20
c              |              x4         |                   30
c              |              x4         |                   40
In this I need to append the records to new internal table say itab1 where multiple entries exist for some material no like mat no 'a' and 'c' and
if the material no. exist only once in the table, it has to be moved to another new internal table say itab2.
Pls suggest some logic that does not have performance issues.
Thanks in advance
Saravana

Hi there,
a solution in brief...
data: wa_itab1_a like itab1,
         wa_itab2_b like itab1,
         lv_tabix       type sytabix.
sort itab1 by matnr.
loop at itab1.
wa_itab1_a = itab1.
at new matnr.
    lv_tabix = sy-tabix + 1.
    clear wa_itab2_b.
    READ TABLE itab1 into wa_itab2_b
                        INDEX lv_tabix.
    if wa_itab2_b-matnr ne wa_itab1_a-matnr.
      append wa_itab1_a to itab2.
      delete itab1 where matnr = wa_itab1_a-matnr.
    endif.
endat.
endloop.
Regards
George Zervas
Edited by: gzervas on Oct 20, 2010 12:08 PM

Why using workarea for internal table is better in performance

Please tell me
why using workarea for internal table is better in performance

Hi Vineet ,
Why would we choose to use an internal table without a header line when it is easier to code one with a header line?
it has following reason.
1)Separate Internal Table Work Area:
The work area (staging area) defined for the internal table is not limited to use with just one internal table.
take ex-
Suppose you want two internal tables for EMPLOYEE one to contain all records and one to contain only those records where country = USA. You could create both of these internal tables without header lines and use only one work area to load data into both of them. You would append all records from the work area into the first internal table. You would conditionally append the USA records from the same work area into the second internal table.
2) Performance Issues: Using an internal table without a header line is more efficient than one with a header line
3) Nested Internal Tables: If you want to include an internal table within a structure or another internal table, you must use one without a header line.
If this one is helpful ,then rewards me
Regards
Shambhu

Aggregate functions for internal table.

Hi Gurus,
I'm just wondering whether we can use aggregate functions for internal table. I wanted to know the max value for a particular column in my internal table. How can I achieve this easily and quickly.
Thanks,
David.

sort the table on which you want the maximum value and read it. Please find below example code.
TYPES : BEGIN OF ty_mvke,
        matnr TYPE mvke-matnr,
        vkorg TYPE mvke-vkorg,
        vtweg TYPE mvke-vtweg,
       AUMNG type mvke-AUMNG,
        END OF ty_mvke.
DATA : wa_mvke TYPE ty_mvke,
       it_mvke TYPE STANDARD TABLE OF ty_mvke.
data : temp_AUMNG type AUMNG.
START-OF-SELECTION.
SELECT matnr vkorg vtweg AUMNG FROM mvke INTO
        table it_mvke.
sort it_mvke by AUMNG.
read TABLE it_mvke into wa_mvke INDEX 1.
if sy-subrc = 0.
move wa_mvke-AUMNG to temp_AUMNG.
write : temp_AUMNG.
endif.
Thanks,
Sreekala.

Help needed to get unique record from an internal table

Hi Everybody,
I have to get unique record from an internal table. i know we can use read statement with key condition .
But the problem is i have to use some relational operators like GE or LE.
eg
read table itab into wa with key width GE itab-widthfrom
                                                   width LE itab-widthto
                                                   machno eq itab-machno.
Its giving me error when I use the operators GE , LE.( I think since it can't find a unique record with those relational
operators in the with key statement)
Is there any other way to get unique record from internal table without using the loop?
Thanks,
Sunny

Using the read statement you will need some kind of loop. For example.
DO.
READ TABLE......
WITH KEY ......
                    READ = SPACE
IF SY-SUBRC EQ 0
TABLE-READ = 'X'.
MODIFY TABLE
ADD 1 TO W_FOUND.
ELSE
EXIT.
ENDIF
ENDDO.
IF W_FOUND EQ 1.
...record is unique.
ENDIF.

Maximum record limit for internal table

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