Issue Details (XML | Word | Printable)

Key: CORE-2273
Type: New Feature New Feature
Status: Open Open
Priority: Major Major
Assignee: Unassigned
Reporter: Tsutomu Hayashi
Votes: 0
Watchers: 1
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Firebird Core

Add new configuration parameter "AutoDetectUpdateConflict"

Created: 12/Jan/09 10:16 AM   Updated: 16/Aug/09 05:06 PM
Component/s: Engine
Affects Version/s: None
Fix Version/s: None

Time Tracking:
Not Specified

Environment: For all environment

Planning Status: Unspecified


 Description  « Hide
Firebird MVCC engine detect the "Update Conflict" ( Lost update) under concurrent transactions. This is very nice architecture of Firebird. But, many benchmarks of RDBMS assume existance "Lost update" like pgbench or DBT1.

I propose New configuretion parameter to firebird.conf called "AutoDetectUpdateConflict" default is TRUE. But, to set this parameter to FALSE then Firebird will not deletect update conflict like MySQL.

Auto detection "Update Conflict" is an advantage of Firebird MVCC engine, but this is an disadvantage of many benchmarks for other RDBMSs.



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