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Different FUZZY Search Results after Upgrading from 10.2.0.4 to 11.2.0.3 (Doc ID 1482489.1)

Last updated on SEPTEMBER 19, 2012

Applies to:

Oracle Text - Version 11.2.0.3 and later
Information in this document applies to any platform.

Symptoms

We are performing upgrade tests and we have detected some unexpected behaviours with fuzzy Text searches. Following query behaves diferently between 10.2.0.4 and 11.2.0.3

select distinct airport_name
from launch.ctx_search_airports v
where contains(airport_name,'?SYN({' || 'Bangkok' || '}, DreamFinder)')>0;

 

On 10g above query reutuns one row:

Bangkok International Airport

On 11.2.0.3 same query returns 2 rows:

Bangkok International Airport
Bangor International Airport

Changes

Database has been upgraded from 10.2.0.4 to 11.2.0.3.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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