Different results on timestamps in SQL developer

Hi
I have this table with a TIMESTAMP column in it.
CREATE TABLE my_table ("TID" TIMESTAMP (6) NOT NULL ENABLE);
I use this query in SQL developer:
SELECT tid from my_table;
There is one row in the table, that has a timestamp in the hour of the change to european summertime.
The timestamp of this row is displayed differentliy in SQL developer:
- when the query is run by 'run stamement' (Ctrl+enter) the result is
11-03-27 03:17:00,000000000
- when the query is run as a script (F5) the result is
11-03-27 02:17:00,000000000
Notice the difference in the hours of the timestamp.
Why this difference? (It only occurs for timestamps within the hour of 2 am to 3 am on that date - the hour that should'nt exist as the clock advances from 2 am to 3 am that night...)
What is actually stored in the database? (the 3.17 am or 2.17 am value)
Is there a conversion taking place when running as a script in SQL developer, but not when just running the single stamement?
Regards Søren

Hi Søren,
This is rather an "edge" condition error, but I have posted an internal bug for it:
Bug 13088622 - FORUM: RUN SCRIPT/STATEMENT TIMESTAMP VALUE DIFFERS DURING DT/ST CHANGEOVER
Please provide some version information about your environment: SQL Developer, Java JDK, OS, etc.
Regards,
Gary
SQL Developer Team

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description = "TMP$AWARD_BONUS_TEST" -> "EMPLOYEES"
source = "EMPLOYEES"
key = PRIMARY KEY
temp = "TMP$AWARD_BONUS_TEST"
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VARCHAR2(250 byte),"cchs_parts" VARCHAR2(250 byte),
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BEGIN
null;
END dss;
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description = "TMP$DSS_TEST" := SELECT ROWID AS SRC$ROWID, s.* FROM "XXDSS_FACT_DETAIL_HISTORY" s
source = "XXDSS_FACT_DETAIL_HISTORY"
temp = "TMP$DSS_TEST"
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description = "TMP$DSS_TEST" -> "XXDSS_FACT_DETAIL_HISTORY"
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| 0 | SELECT STATEMENT | | 3184 | 118K| 2995 |
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I'm guessing this: (from Oracle documentation)
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> I found that the OUT PUT is different for perticular column.
The RENDERING of data from Oracle (or any other server such as a POP3 server, web server, etc) IS DONE BY THE CLIENT.
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Thanks
Regards
Andy

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,        actply.party_sysid
,        RANK() OVER (PARTITION BY actply.table_sysid, actply.loanac_latype_code ORDER BY start_date, SYSID) ranking
FROM     activity_players actply
,        account_status accsta
WHERE    1 = 1
AND      actply.table_id (+) = 'ACCGRP'
AND      actply.acttyp_code (+) = 'MHLDRM'
AND      NVL(actply.loanac_latype_code (+),TO_NUMBER(SUBSTR(accsta.account_number,9,2))) = TO_NUMBER(SUBSTR(accsta.account_number,9,2))
AND      actply.table_sysid (+) = TO_NUMBER(SUBSTR(accsta.account_number,1,8))
) mhldr
WHERE    1 = 1
AND      ap.lenapp_account_number (+) = TO_NUMBER(SUBSTR(mhldr.account_number,1,8))
GROUP BY mhldr.account_number;      When run as a query, this code consistently returns 2 for the num_apps field (for a certain group of accounts), but when run as an INSERT INTO command, the num_apps field is logged as 1. I have secured the tables used within the query to ensure that nothing is changing the data in the underlying tables.
If I run the query as a cursor for loop with an insert into the applicant_summary table within the loop, I get the same results in the table as I get when I run as a stand alone query.
I would appreciate any suggestions for what could be causing this odd behaviour.
Cheers,
Steve
Oracle database details:
Oracle Database 10g Release 10.2.0.2.0 - Production
PL/SQL Release 10.2.0.2.0 - Production
CORE 10.2.0.2.0 Production
TNS for 32-bit Windows: Version 10.2.0.2.0 - Production
NLSRTL Version 10.2.0.2.0 - Production
Edited by: stevensutcliffe on Oct 10, 2008 5:26 AM
Edited by: stevensutcliffe on Oct 10, 2008 5:27 AM

stevensutcliffe wrote:
Yes, using COUNT(*) gives the same result as COUNT(1).
I have found another example of this kind of behaviour:
Running the following INSERT statements produce different values for the total_amount_invested and num_records fields. It appears that adding the additional aggregation (MAX(amount_invested)) is causing problems with the other aggregated values.
Again, I have ensured that the source data and destination tables are not being accessed / changed by any other processes or users. Is this potentially a bug in Oracle?Just as a side note, these are not INSERT statements but CTAS statements.
The only non-bug explanation for this behaviour would be a potential query rewrite happening only under particular circumstances (but not always) in the lower integrity modes "trusted" or "stale_tolerated". So if you're not aware of any corresponding materialized views, your QUERY_REWRITE_INTEGRITY parameter is set to the default of "enforced" and your explain plan doesn't show any "MAT_VIEW REWRITE ACCESS" lines, I would consider this as a bug.
Since you're running on 10.2.0.2 it's not unlikely that you hit one of the various "wrong result" bugs that exist(ed) in Oracle. I'm aware of a particular one I've hit in 10.2.0.2 when performing a parallel NESTED LOOP ANTI operation which returned wrong results, but only in parallel execution. Serial execution was showing the correct results.
If you're performing parallel ddl/dml/query operations, try to do the same in serial execution to check if it is related to the parallel feature.
You could also test if omitting the "APPEND" hint changes anything but still these are just workarounds for a buggy behaviour.
I suggest to consider installing the latest patch set 10.2.0.4 but this requires thorough testing because there were (more or less) subtle changes/bugs introduced with [10.2.0.3|http://oracle-randolf.blogspot.com/2008/02/nasty-bug-introduced-with-patch-set.html] and [10.2.0.4|http://oracle-randolf.blogspot.com/2008/04/overview-of-new-and-changed-features-in.html].
You could also open a SR with Oracle and clarify if there is already a one-off patch available for your 10.2.0.2 platform release. If not it's quite unlikely that you are going to get a backport for 10.2.0.2.
Regards,
Randolf
Oracle related stuff blog:
http://oracle-randolf.blogspot.com/
SQLTools++ for Oracle (Open source Oracle GUI for Windows):
http://www.sqltools-plusplus.org:7676/
http://sourceforge.net/projects/sqlt-pp/

SQL Developer 2.1.0.63.73 exports DATE as TIMESTAMP

I believe this is a bug. When I export a table to an XLS file, the values contained in DATE columns are saved as if they were TIMESTAMP:
eg. 31-DEC-09 12:00:00 AM would export as 31-DEC-09 12.00.00.000000000 AM
Not really a huge deal until you try to import it back in, in which case you can't import a TIMESTAMP into a DATE column. First, you'll get an error about the AM/A.M. or PM/P.M. missing. You can't explicitly specify the date format during the import either as Oracle rejects it since it's not supported. The proper way is to cast it back to a date, but you can't do that through the import function.
Regardless, I think the export function should export DATEs according to the Date Format NLS settings but it is not.
If it makes any difference, I'm using the 64-bit Windows version of SQL Developer on Windows 7 64-bit with the Oracle 64-bit client.

Hi,
Not sure if this is something related to my previous problem.
My SQL Dev gives the correct date format on exporting to Excel, but fails on export INSERT statement
Vasan, one of the sql dev's team member, gave this workaround which solved my problem
>
You can add the following in the sqldeveloper.conf to ensure that the driver doesn't report the column type of a DATE column as TIMESTAMP.
AddVMOption -Doracle.jdbc.mapDateToTimestamp=false
>
as suggested in this thread
Re: 2.1 EA1: Problems on Date type columns
Hope this help,
Buntoro

Unable to display results of multiple query in grid in Oracle SQL Developer

Hi, I am a newbie to this forum and couldn't find the Oracle SQL Developer forum so posting it here.
My question: How to display multiple query results in grid in Oracle SQL Developer.
Example:
select * from Employee;
select * from Department;
- when I select both the queries and hit F5 in Oracle sql developer. By default it displays in output window.
- How to display result of both the queries in Grid.
Any thoughts on this would be really helpful.
Thanks in advance.
Harsh

Hi Harsh,
I'd say that the Results grid is designed to only show the results of 1 query at a time. I don't know/can't see how it would display multiple queries at a time.
I would suggest either joining your tables to create a single query or opening another SQL Worksheet for one of the queries so that you can display the results side-by-side.
Maybe you could explain what you're trying to do. Why are you trying to display multiple results in the same query grid?

Different results on timestamps in SQL developer

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